:root {
      color-scheme: light;
      --ink: #20232b;
      --muted: #626875;
      --paper: #fff9f5;
      --white: #fff;
      --line: #eadfdc;
      --coral: #f25164;
      --orange: #ff8a43;
      --pink: #ffe3e5;
      --mint: #dff3eb;
      --blue: #e4eefb;
      --lime: #edf2c9;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(ellipse at 5% 18%, rgba(255, 226, 220, .54), transparent 32rem),
        radial-gradient(ellipse at 95% 43%, rgba(225, 241, 232, .53), transparent 36rem),
        var(--paper);
      font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, 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; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,249,245,.94); border-bottom: 1px solid rgba(234,223,220,.85); backdrop-filter: blur(16px); }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; white-space: nowrap; }
    .brand img { display: block; width: 38px; 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: 10px 9px; color: #424650; font-size: 13px; transition: color .2s ease; }
    .nav-links a:hover { color: var(--coral); }
    .nav-actions { display: flex; align-items: center; gap: 10px; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: var(--white); color: var(--ink); border-radius: 6px; padding: 8px 12px; cursor: pointer; }
    .button { min-height: 46px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 11px 18px; border: 1px solid transparent; border-radius: 5px; background: var(--coral); color: #fff; font-weight: 750; transition: transform .18s ease, box-shadow .18s ease, background .18s ease; cursor: pointer; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 9px 22px rgba(196,65,79,.2); background: #df4054; }
    .button.secondary { background: var(--white); color: var(--ink); border-color: var(--line); }
    .button.secondary:hover { background: #fff0ed; box-shadow: none; }
    .hero { position: relative; overflow: hidden; padding: 76px 0 52px; }
    .hero::before { content: ""; position: absolute; inset: 22px 0 auto auto; width: 180px; height: 180px; border: 1px solid rgba(242,81,100,.22); border-radius: 50%; box-shadow: 0 0 0 22px rgba(242,81,100,.035), 0 0 0 46px rgba(242,81,100,.025); pointer-events: none; }
    .hero-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(280px,.85fr); align-items: center; gap: 54px; position: relative; }
    .eyebrow { color: #ca4354; text-transform: uppercase; font-size: 12px; font-weight: 800; letter-spacing: 1.4px; }
    h1 { max-width: 760px; margin: 14px 0 18px; font-size: clamp(42px, 6vw, 72px); line-height: 1.08; letter-spacing: 0; }
    .hero-copy { max-width: 620px; color: var(--muted); font-size: 17px; }
    .hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .hero-note { margin-top: 18px; font-size: 13px; color: #686d76; }
    .hero-art { min-height: 340px; padding: 26px; border: 1px solid #f1d8d4; background: linear-gradient(145deg, #fff1ea, #fff9f5 62%, #f0f5e6); display: flex; flex-direction: column; justify-content: space-between; position: relative; }
    .hero-art::before { content: ""; position: absolute; width: 120px; height: 120px; right: 22px; top: 22px; border: 1px solid rgba(242,81,100,.34); border-radius: 50%; }
    .hero-art::after { content: ""; position: absolute; width: 52px; height: 52px; top: 56px; right: 57px; background: var(--coral); border-radius: 50% 50% 50% 12%; transform: rotate(-18deg); opacity: .9; }
    .art-label { position: relative; z-index: 1; font-size: 12px; font-weight: 800; color: #a53b49; }
    .orbit-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; position: relative; z-index: 1; }
    .orbit-item { padding: 12px 13px; border: 1px solid rgba(227,204,197,.9); background: rgba(255,255,255,.78); color: #30333a; font-size: 13px; font-weight: 750; }
    .orbit-item span { display: block; margin-top: 3px; color: #777b83; font-size: 11px; font-weight: 500; }
    section { padding: 64px 0; }
    .section-head { max-width: 700px; margin-bottom: 30px; }
    .section-kicker { color: #d34a58; font-size: 12px; font-weight: 800; letter-spacing: 1.2px; }
    h2 { margin: 7px 0 10px; font-size: clamp(27px, 3.5vw, 40px); line-height: 1.2; letter-spacing: 0; }
    h3 { margin: 0 0 9px; font-size: 19px; line-height: 1.35; letter-spacing: 0; }
    .section-head p, .body-copy { margin: 0; color: var(--muted); }
    .metrics { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
    .metric { padding: 22px; background: rgba(255,255,255,.76); }
    .metric strong { display: block; color: #c94153; font-size: 25px; line-height: 1.2; }
    .metric span { display: block; color: var(--muted); font-size: 13px; margin-top: 6px; }
    .intro-band { background: #fff; border-block: 1px solid #f0e3df; }
    .intro-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
    .intro-statement { padding-left: 20px; border-left: 4px solid var(--coral); }
    .intro-statement p { color: var(--muted); margin: 14px 0 0; }
    .capability-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 28px; }
    .capability-list div { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .capability-list strong { display: block; font-size: 15px; }
    .capability-list span { color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
    .service-item { padding: 21px; border: 1px solid var(--line); background: rgba(255,255,255,.76); transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
    .service-item:hover { transform: translateY(-4px); border-color: #efa6a7; box-shadow: 0 12px 25px rgba(76,45,44,.07); }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .service-item .service-no { display: block; color: #df6b61; font-size: 11px; font-weight: 800; margin-bottom: 10px; }
    .product-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; }
    .product { min-height: 112px; padding: 16px; background: var(--white); border-top: 3px solid var(--coral); box-shadow: 0 5px 15px rgba(45,36,36,.045); }
    .product:nth-child(4n+2) { border-color: #50a78d; }
    .product:nth-child(4n+3) { border-color: #e9a342; }
    .product:nth-child(4n+4) { border-color: #6689c7; }
    .product strong { display: block; margin-bottom: 4px; }
    .product span { color: var(--muted); font-size: 12px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
    .tag-cloud span { padding: 7px 11px; background: #fff; border: 1px solid var(--line); color: #454a53; font-size: 13px; }
    .industry-band { background: linear-gradient(90deg, rgba(255,226,220,.55), rgba(226,243,234,.65)); }
    .industry-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 26px; }
    .industry { padding-top: 17px; border-top: 1px solid #cbbab4; }
    .industry p { margin: 0; color: var(--muted); font-size: 14px; }
    .network-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
    .network-strip { display: flex; flex-wrap: wrap; gap: 8px; }
    .network-strip span { padding: 8px 12px; background: #fff; border: 1px solid var(--line); font-size: 13px; font-weight: 650; }
    .network-note { padding: 22px; background: #e6f3eb; border-left: 4px solid #4b9c7f; }
    .network-note p { color: #4e6159; margin: 0; }
    .steps { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 0; border-block: 1px solid var(--line); }
    .step { padding: 23px 20px 23px 0; position: relative; }
    .step + .step { padding-left: 20px; border-left: 1px solid var(--line); }
    .step-number { color: var(--coral); font-size: 12px; font-weight: 850; }
    .step p { color: var(--muted); margin: 0; font-size: 13px; }
    .case-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 18px; align-items: stretch; }
    .case-main { background: #fff; border: 1px solid var(--line); }
    .case-main .media { aspect-ratio: 16 / 7; overflow: hidden; background: #f6e9e3; }
    .case-main img, .case-side img { display: block; width: 100%; height: 100%; object-fit: cover; }
    .case-main .case-text { padding: 20px; }
    .case-main p, .case-side p { margin: 0; color: var(--muted); font-size: 14px; }
    .case-side { display: grid; gap: 18px; }
    .case-side article { display: grid; grid-template-columns: 132px 1fr; gap: 14px; align-items: center; background: #fff; border: 1px solid var(--line); padding: 12px; }
    .case-side .media { aspect-ratio: 1 / 1; overflow: hidden; background: #f1e9e0; }
    .case-side h3 { font-size: 16px; margin-bottom: 5px; }
    .score-band { background: #252a34; color: #fff; }
    .score-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 46px; align-items: center; }
    .score-layout .section-kicker { color: #ff9c78; }
    .score-layout h2 { color: #fff; }
    .score-layout p { color: #d5d8df; }
    .score-number { font-size: 60px; color: #ff9a72; font-weight: 850; line-height: 1; }
    .stars { color: #ffc267; font-size: 20px; letter-spacing: 3px; margin-top: 10px; }
    .score-caption { color: #d5d8df; font-size: 13px; margin-top: 7px; }
    .table-wrap { overflow-x: auto; border: 1px solid #4a4f59; }
    table { width: 100%; min-width: 600px; border-collapse: collapse; color: #fff; font-size: 13px; }
    th, td { padding: 13px 14px; border-bottom: 1px solid #484d56; text-align: left; }
    th { color: #ffc5a7; background: #303640; }
    td:last-child { color: #b9e3cf; }
    .review-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
    .review { padding: 19px; background: #fff; border: 1px solid var(--line); }
    .review p { margin: 0 0 15px; color: #454a52; font-size: 14px; }
    .review strong { font-size: 13px; }
    .review span { display: block; color: #858993; font-size: 12px; margin-top: 2px; }
    .quote-mark { display: block; color: var(--coral); font-size: 25px; line-height: 1; margin-bottom: 8px; }
    .match-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 44px; }
    .match-points { padding: 0; margin: 18px 0 0; list-style: none; }
    .match-points li { padding: 9px 0; border-bottom: 1px solid var(--line); color: #4c515a; }
    .match-points li::before { content: "＋"; color: #cb4c58; margin-right: 9px; font-weight: 800; }
    .form-panel { padding: 24px; background: #fff; border: 1px solid var(--line); }
    .form-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); 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-height: 44px; padding: 10px 12px; border: 1px solid #dcd8d5; border-radius: 3px; color: var(--ink); background: #fff; }
    .field textarea { min-height: 110px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(242,81,100,.22); border-color: var(--coral); }
    .form-submit { margin-top: 16px; }
    .price-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
    .price-note { padding: 22px; border: 1px solid #e9c69e; background: #fff4df; }
    .price-note strong { display: block; margin-bottom: 5px; }
    .price-note p { margin: 0; color: #62594c; font-size: 14px; }
    .price-points { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
    .price-points div { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
    .price-points span { display: block; color: var(--muted); font-size: 12px; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 34px 17px 0; cursor: pointer; list-style: none; font-weight: 720; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 4px; top: 13px; color: var(--coral); font-size: 22px; transition: transform .2s ease; }
    details[open] summary::after { transform: rotate(45deg); }
    details p { max-width: 850px; color: var(--muted); margin: -2px 32px 17px 0; font-size: 14px; }
    .article-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 12px; }
    .article { display: flex; flex-direction: column; min-height: 144px; padding: 16px; background: #fff; border: 1px solid var(--line); transition: border-color .2s ease, transform .2s ease; }
    .article:hover { transform: translateY(-3px); border-color: #e79c98; }
    .article span { color: #ce4e5a; font-size: 11px; font-weight: 800; }
    .article strong { margin-top: 9px; font-size: 14px; line-height: 1.5; }
    .article small { margin-top: auto; padding-top: 12px; color: #858993; }
    .links { display: flex; flex-wrap: wrap; gap: 9px 18px; }
    .links a { color: #515660; font-size: 13px; }
    .links a:hover { color: var(--coral); }
    .join-band { background: #e4f1ec; }
    .join-layout { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .join-layout p { margin: 0; color: #52645c; max-width: 700px; }
    .site-footer { padding: 35px 0 24px; background: #fff; border-top: 1px solid var(--line); color: #333740; }
    .footer-top { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: start; }
    .footer-contact { color: #555a63; font-size: 14px; }
    .footer-contact p { margin: 5px 0; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: flex-end; max-width: 560px; }
    .footer-links a { color: #4d535c; font-size: 13px; }
    .copyright { margin-top: 24px; padding-top: 15px; border-top: 1px solid #eee7e4; color: #777c85; font-size: 12px; }
    .qr { display: inline-block; vertical-align: middle; width: 88px; height: 88px; margin: 9px 0; object-fit: contain; border: 1px solid var(--line); }
    .float-contact { position: fixed; z-index: 15; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .float-contact a { display: grid; place-items: center; width: 46px; height: 46px; background: var(--coral); color: #fff; border-radius: 50%; font-size: 12px; font-weight: 800; box-shadow: 0 5px 16px rgba(37,32,32,.2); }
    .float-contact a:last-child { background: #303640; }
    .to-top { position: fixed; right: 23px; bottom: 126px; z-index: 14; display: none; width: 38px; height: 38px; border: 1px solid var(--line); background: #fff; color: var(--ink); cursor: pointer; }
    .to-top.visible { display: block; }
    .reveal { opacity: 0; transform: translateY(16px); 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: 900px) {
      .nav-row { gap: 12px; }
      .nav-links { display: none; position: absolute; top: 76px; left: 0; right: 0; padding: 10px 20px 16px; background: var(--paper); border-bottom: 1px solid var(--line); justify-content: flex-start; }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 9px 11px; }
      .menu-toggle { display: inline-flex; }
      .nav-actions .button { display: none; }
      .hero-grid { gap: 30px; }
      .product-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
      .article-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
    }
    @media (max-width: 680px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .hero { padding: 54px 0 36px; }
      .hero-grid, .intro-layout, .network-layout, .score-layout, .match-layout, .price-layout, .case-layout { grid-template-columns: 1fr; }
      .hero-grid { gap: 28px; }
      .hero-art { min-height: 280px; }
      section { padding: 48px 0; }
      .metrics { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .metric { padding: 17px; }
      .service-grid, .industry-grid, .review-grid { grid-template-columns: 1fr; }
      .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .steps { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .step { padding: 18px 12px 18px 0; }
      .step + .step { padding-left: 12px; }
      .step:nth-child(3) { border-left: 0; padding-left: 0; border-top: 1px solid var(--line); }
      .step:nth-child(4) { border-top: 1px solid var(--line); }
      .case-side article { grid-template-columns: 100px 1fr; }
      .score-number { font-size: 50px; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .article-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
      .join-layout, .footer-top { display: flex; flex-direction: column; align-items: flex-start; }
      .footer-links { justify-content: flex-start; }
      .float-contact { right: 10px; bottom: 12px; }
      .to-top { right: 14px; bottom: 116px; }
    }