:root {
      color-scheme: light;
      --ink: #20202b;
      --muted: #646473;
      --paper: #f7f5ef;
      --white: #fffefa;
      --line: #e4e0d7;
      --blue: #3734d9;
      --pink: #f35d79;
      --yellow: #f8d64e;
      --teal: #b8eee2;
      --shadow: 0 16px 42px rgba(32, 32, 43, .08);
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 90px; }
    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(ellipse at 92% 10%, rgba(248, 214, 78, .18), transparent 28rem),
        radial-gradient(ellipse at 4% 40%, rgba(184, 238, 226, .22), transparent 32rem),
        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; }
    img { display: block; 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(247, 245, 239, .94); border-bottom: 1px solid rgba(32, 32, 43, .08); backdrop-filter: blur(14px); }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 850; letter-spacing: -.04em; }
    .brand img { width: 42px; }
    .brand-name { font-size: 17px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; margin-left: auto; }
    .nav-links a { padding: 10px 11px; color: #41414e; font-size: 13px; font-weight: 650; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--blue); }
    .nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; border: 0; border-radius: 999px; padding: 12px 20px; font-weight: 750; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; cursor: pointer; }
    .nav-cta { color: #fff; background: var(--blue); font-size: 13px; white-space: nowrap; }
    .button:hover, .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(55, 52, 217, .2); }
    .button-primary { color: #fff; background: var(--blue); }
    .button-yellow { color: var(--ink); background: var(--yellow); }
    .button-outline { color: var(--ink); background: transparent; border: 1px solid rgba(32, 32, 43, .2); }
    .menu-toggle { display: none; border: 1px solid var(--line); color: var(--ink); background: var(--white); border-radius: 12px; padding: 9px 12px; font-weight: 700; }
    .hero { position: relative; overflow: hidden; padding: 82px 0 64px; }
    .hero::before, .hero::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; pointer-events: none; }
    .hero::before { width: 360px; height: 360px; right: -80px; top: 22px; border: 1px solid rgba(55, 52, 217, .15); box-shadow: 0 0 0 32px rgba(55, 52, 217, .025), 0 0 0 70px rgba(243, 93, 121, .035); animation: orbit 24s linear infinite; }
    .hero::after { width: 16px; height: 16px; right: 13%; top: 118px; background: var(--pink); box-shadow: 48px 122px 0 var(--yellow), -255px 242px 0 var(--teal); }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 54px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; border: 1px solid rgba(55, 52, 217, .18); border-radius: 999px; padding: 7px 12px; color: var(--blue); background: rgba(255, 254, 250, .72); font-size: 12px; font-weight: 800; letter-spacing: .06em; }
    .eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--pink); }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 720px; margin: 22px 0 18px; font-size: clamp(42px, 6vw, 74px); line-height: 1.07; letter-spacing: -.065em; }
    .hero h1 span { color: var(--blue); }
    .hero-copy { max-width: 660px; color: var(--muted); font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 27px; }
    .hero-note { margin: 17px 0 0; color: #777682; font-size: 12px; }
    .hero-visual { position: relative; padding: 20px 0 20px 12px; }
    .signal-card { position: relative; padding: 26px; border: 1px solid rgba(32, 32, 43, .11); border-radius: 26px; background: rgba(255, 254, 250, .88); box-shadow: var(--shadow); transform: rotate(1deg); }
    .signal-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
    .signal-top strong { font-size: 14px; }
    .signal-pill { padding: 5px 9px; color: #285c4d; background: #dff7ed; border-radius: 999px; font-size: 11px; font-weight: 750; }
    .signal-title { margin: 22px 0 16px; font-size: 20px; letter-spacing: -.04em; }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-cloud span { padding: 7px 10px; border: 1px solid #ebe8e0; border-radius: 10px; background: #fff; color: #4b4a57; font-size: 12px; font-weight: 700; }
    .flow-strip { display: flex; align-items: center; gap: 8px; margin-top: 22px; color: #5b5a68; font-size: 11px; font-weight: 700; }
    .flow-strip b { padding: 8px 9px; border-radius: 8px; background: #f1efff; color: var(--blue); }
    .flow-strip i { width: 12px; height: 1px; background: #aaa7c9; }
    .hero-sticker { position: absolute; right: -8px; bottom: 0; display: grid; place-items: center; width: 76px; height: 76px; border-radius: 50%; color: var(--ink); background: var(--yellow); font-size: 13px; font-weight: 900; text-align: center; line-height: 1.2; transform: rotate(9deg); box-shadow: 0 10px 24px rgba(32, 32, 43, .1); }
    .trust-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 44px; }
    .trust-item { padding: 16px 18px; border-left: 2px solid var(--pink); background: rgba(255, 254, 250, .58); }
    .trust-item strong { display: block; font-size: 16px; letter-spacing: -.03em; }
    .trust-item span { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section-tint { background: rgba(255, 254, 250, .65); border-block: 1px solid rgba(32, 32, 43, .06); }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 32px; }
    .section-head > div { max-width: 700px; }
    .kicker { margin-bottom: 9px; color: var(--pink); font-size: 12px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
    h2 { margin-bottom: 10px; font-size: clamp(29px, 4vw, 44px); line-height: 1.16; letter-spacing: -.055em; }
    .section-intro { margin-bottom: 0; color: var(--muted); font-size: 15px; }
    .text-link { color: var(--blue); font-weight: 800; font-size: 14px; white-space: nowrap; }
    .about-grid { display: grid; grid-template-columns: .95fr 1.05fr; gap: 34px; align-items: start; }
    .about-copy { padding: 27px; border-radius: 22px; color: #fff; background: var(--blue); }
    .about-copy h3 { margin-bottom: 12px; font-size: 24px; letter-spacing: -.04em; }
    .about-copy p { margin-bottom: 0; color: rgba(255,255,255,.84); }
    .capability-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .capability { padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
    .capability b { display: block; margin-bottom: 5px; font-size: 14px; }
    .capability span { color: var(--muted); font-size: 12px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
    .service-card { min-height: 170px; padding: 21px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); transition: transform .22s ease, box-shadow .22s ease; }
    .service-card:hover, .quote-card:hover, .case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .service-card:nth-child(3n + 1) { border-top: 3px solid var(--pink); }
    .service-card:nth-child(3n + 2) { border-top: 3px solid var(--blue); }
    .service-card:nth-child(3n) { border-top: 3px solid #d3b300; }
    .service-card h3 { margin-bottom: 8px; font-size: 17px; letter-spacing: -.03em; }
    .service-card p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
    .tag-row { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 23px; }
    .tag-row span { padding: 8px 12px; border: 1px solid #e7e2d7; border-radius: 999px; background: #fffdf7; color: #4e4d59; font-size: 12px; font-weight: 700; }
    .platforms { margin-top: 25px; padding: 20px 22px; border-radius: 18px; background: #efede6; }
    .platforms strong { display: block; margin-bottom: 11px; font-size: 13px; }
    .platforms .tag-row { margin-top: 0; }
    .maker-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: stretch; }
    .maker-card { padding: 24px; border-radius: 22px; background: var(--white); border: 1px solid var(--line); }
    .maker-card h3 { margin-bottom: 8px; font-size: 21px; }
    .maker-card p { color: var(--muted); font-size: 14px; }
    .media-frame { overflow: hidden; margin-top: 16px; border-radius: 14px; background: #ece9e2; }
    .media-frame img { width: 100%; height: auto; object-fit: contain; }
    .media-frame.square { max-width: 340px; margin-inline: auto; }
    .media-frame.square img { aspect-ratio: 1 / 1; object-fit: cover; }
    .image-trio { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 25px; }
    .image-trio figure { margin: 0; overflow: hidden; border-radius: 15px; background: #ece9e2; }
    .image-trio img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .image-trio figcaption { padding: 9px 12px; color: #4d4b57; font-size: 12px; font-weight: 700; }
    .solutions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .solution { padding: 19px; border-radius: 16px; background: #fff; border: 1px solid var(--line); }
    .solution strong { display: block; margin-bottom: 6px; font-size: 15px; }
    .solution span { color: var(--muted); font-size: 12px; }
    .network-band { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: center; padding: 28px; border-radius: 24px; background: var(--teal); }
    .network-band h3 { margin-bottom: 9px; font-size: 25px; letter-spacing: -.04em; }
    .network-band p { margin-bottom: 0; color: #36534d; }
    .network-points { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .network-points span { padding: 12px; border-radius: 12px; background: rgba(255,255,255,.67); color: #294a42; font-size: 13px; font-weight: 750; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .step { position: relative; padding: 8px 22px 12px 0; counter-increment: step; }
    .step::before { content: "0" counter(step); display: grid; place-items: center; width: 40px; height: 40px; margin-bottom: 15px; border-radius: 50%; color: var(--blue); background: #e9e7ff; font-size: 12px; font-weight: 900; }
    .step:not(:last-child)::after { content: ""; position: absolute; top: 28px; left: 49px; right: 15px; border-top: 1px dashed #aaa7c9; }
    .step h3 { margin-bottom: 6px; font-size: 16px; }
    .step p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
    .case-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--white); transition: transform .22s ease, box-shadow .22s ease; }
    .case-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
    .case-copy { padding: 18px; }
    .case-copy small { color: var(--pink); font-weight: 800; }
    .case-copy h3 { margin: 6px 0; font-size: 17px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 13px; }
    .review-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 24px; align-items: start; }
    .rating-panel { position: sticky; top: 100px; padding: 25px; border-radius: 22px; color: #fff; background: var(--blue); }
    .rating-panel .kicker { color: var(--yellow); }
    .rating-score { margin: 8px 0 0; font-size: 58px; line-height: 1; font-weight: 900; letter-spacing: -.07em; }
    .rating-score span { font-size: 18px; letter-spacing: 0; }
    .stars { margin: 12px 0; color: var(--yellow); letter-spacing: .12em; font-size: 21px; }
    .rating-panel p { margin: 0; color: rgba(255,255,255,.8); font-size: 13px; }
    .rating-note { display: block; margin-top: 13px; color: rgba(255,255,255,.65); font-size: 11px; }
    .review-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 17px; background: var(--white); }
    .review-table { width: 100%; border-collapse: collapse; min-width: 600px; }
    .review-table th, .review-table td { padding: 13px 15px; border-bottom: 1px solid #eeece6; text-align: left; font-size: 13px; }
    .review-table th { background: #f2f0e9; font-size: 12px; }
    .review-table td:last-child { color: #2d6a57; font-weight: 750; }
    .review-table tr:last-child td { border-bottom: 0; }
    .quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
    .quote-card { padding: 19px; border: 1px solid var(--line); border-radius: 17px; background: var(--white); transition: transform .22s ease, box-shadow .22s ease; }
    .quote-card blockquote { margin: 0 0 16px; color: #494854; font-size: 13px; }
    .quote-card cite { color: var(--blue); font-size: 12px; font-style: normal; font-weight: 800; }
    .matching { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
    .match-copy { padding: 8px 0; }
    .match-copy ul { padding-left: 19px; color: var(--muted); font-size: 14px; }
    .match-copy li { margin: 7px 0; }
    .form-card { padding: 25px; border-radius: 22px; border: 1px solid var(--line); background: var(--white); box-shadow: 0 12px 32px rgba(32, 32, 43, .05); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 12px; font-weight: 800; }
    .field input, .field select, .field textarea { width: 100%; padding: 11px 12px; border: 1px solid #ddd9d0; border-radius: 10px; outline: none; color: var(--ink); background: #fffefa; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(55, 52, 217, .1); }
    .field textarea { min-height: 105px; resize: vertical; }
    .form-card .button { margin-top: 15px; }
    .price-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
    .price-card { padding: 20px; border-radius: 16px; background: var(--white); border: 1px solid var(--line); }
    .price-card b { display: block; margin-bottom: 7px; }
    .price-card p { margin: 0; color: var(--muted); font-size: 13px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .faq-list details { padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
    .faq-list summary { position: relative; padding-right: 24px; cursor: pointer; list-style: none; font-size: 14px; font-weight: 800; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { content: "+"; position: absolute; right: 0; top: -2px; color: var(--blue); font-size: 20px; line-height: 1; }
    .faq-list details[open] summary::after { content: "−"; }
    .faq-list details p { margin: 11px 0 0; color: var(--muted); font-size: 13px; }
    .article-links { display: grid; grid-template-columns: repeat(5, 1fr); gap: 11px; }
    .article-link { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--white); font-size: 13px; font-weight: 750; transition: border-color .2s ease, transform .2s ease; }
    .article-link:hover { transform: translateY(-2px); border-color: var(--blue); }
    .article-link span:last-child { color: var(--pink); font-size: 17px; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 26px 28px; border-radius: 21px; background: var(--yellow); }
    .join-band h3 { margin-bottom: 5px; font-size: 23px; letter-spacing: -.04em; }
    .join-band p { margin-bottom: 0; color: #5c5125; font-size: 13px; }
    .contact-info { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
    .contact-details { display: grid; gap: 11px; }
    .contact-line { padding: 14px 16px; border: 1px solid var(--line); border-radius: 13px; background: var(--white); }
    .contact-line span { display: block; color: var(--muted); font-size: 11px; }
    .contact-line strong { font-size: 14px; }
    .qr-card { display: flex; align-items: center; gap: 17px; padding: 17px; border: 1px solid var(--line); border-radius: 16px; background: var(--white); }
    .qr-card img { width: 120px; border-radius: 8px; }
    .qr-card strong { display: block; margin-bottom: 5px; }
    .qr-card p { margin: 0; color: var(--muted); font-size: 12px; }
    .site-footer { margin-top: 0; padding: 27px 0 24px; color: #393844; background: #eeece5; border-top: 1px solid #dedbd2; }
    .footer-row { display: flex; justify-content: space-between; gap: 24px; align-items: flex-start; }
    .footer-brand { max-width: 410px; }
    .footer-brand strong { font-size: 16px; }
    .footer-brand p { margin: 6px 0 0; color: #646270; font-size: 12px; }
    .friend-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px 16px; max-width: 570px; }
    .friend-links a { color: #494755; font-size: 12px; }
    .friend-links a:hover { color: var(--blue); }
    .copyright { margin: 18px 0 0; padding-top: 14px; border-top: 1px solid #d9d6ce; color: #6b6975; font-size: 11px; }
    .float-contact { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: flex; flex-direction: column; gap: 8px; }
    .float-contact a { display: grid; place-items: center; min-width: 48px; min-height: 48px; padding: 0 13px; border-radius: 999px; color: #fff; background: var(--blue); box-shadow: 0 8px 24px rgba(32,32,43,.18); font-size: 12px; font-weight: 800; transition: transform .2s ease; }
    .float-contact a:first-child { color: var(--ink); background: var(--yellow); }
    .float-contact a:hover { transform: translateY(-3px); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .65s ease, transform .65s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes orbit { to { transform: rotate(360deg); } }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }
    @media (max-width: 980px) {
      .nav-row { gap: 12px; }
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-cta { padding: 11px 14px; }
      .hero-grid { gap: 30px; }
      .solutions { grid-template-columns: repeat(2, 1fr); }
      .article-links { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 760px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .nav-row { min-height: 67px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; }
      .nav-cta { display: none; }
      .nav-links { display: none; position: absolute; top: calc(100% + 1px); left: 0; right: 0; padding: 10px 16px 15px; flex-direction: column; align-items: stretch; gap: 0; border-bottom: 1px solid var(--line); background: var(--paper); box-shadow: 0 14px 25px rgba(32,32,43,.08); }
      .nav-links.is-open { display: flex; }
      .nav-links a { padding: 11px 10px; border-bottom: 1px solid rgba(32,32,43,.06); font-size: 14px; }
      .hero { padding: 58px 0 48px; }
      .hero-grid, .about-grid, .maker-grid, .network-band, .review-layout, .matching, .contact-info { grid-template-columns: 1fr; }
      .hero-visual { max-width: 490px; padding: 10px 10px 20px; }
      .hero::before { width: 260px; height: 260px; right: -120px; top: 280px; }
      .trust-row { grid-template-columns: repeat(2, 1fr); margin-top: 30px; }
      .section { padding: 58px 0; }
      .section-head { display: block; }
      .section-head > .text-link { display: inline-block; margin-top: 15px; }
      .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .case-grid, .quote-grid { grid-template-columns: repeat(2, 1fr); }
      .rating-panel { position: static; }
      .faq-list { grid-template-columns: 1fr; }
      .price-grid { grid-template-columns: 1fr; }
      .footer-row { flex-direction: column; }
      .friend-links { justify-content: flex-start; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 43px; }
      .hero-copy { font-size: 15px; }
      .hero-actions .button { width: 100%; }
      .service-grid, .solutions, .case-grid, .quote-grid, .capability-list { grid-template-columns: 1fr; }
      .service-card { min-height: 0; }
      .steps { grid-template-columns: 1fr 1fr; gap: 20px 8px; }
      .step:not(:last-child)::after { display: none; }
      .image-trio { grid-template-columns: 1fr; }
      .article-links { grid-template-columns: 1fr 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .join-band { align-items: flex-start; flex-direction: column; }
      .qr-card { align-items: flex-start; }
      .qr-card img { width: 96px; }
      .float-contact { right: 10px; bottom: 12px; }
      .float-contact a { min-width: 44px; min-height: 44px; padding-inline: 10px; }
    }