:root {
      color-scheme: light;
      --ink: #25213a;
      --muted: #625f70;
      --paper: #fffaf4;
      --white: #ffffff;
      --line: #e9e2dc;
      --coral: #ff654f;
      --orange: #ffb444;
      --violet: #6548d8;
      --teal: #087f78;
      --pale-violet: #f0edff;
      --pale-coral: #fff0eb;
      --container: 1160px;
      --shadow: 0 18px 50px rgba(51, 39, 79, .09);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 92px; }
    body {
      margin: 0;
      min-width: 320px;
      background:
        radial-gradient(ellipse at 8% 4%, rgba(255, 180, 68, .15), transparent 29rem),
        radial-gradient(ellipse at 95% 24%, rgba(101, 72, 216, .08), transparent 32rem),
        var(--paper);
      color: var(--ink);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }

    a { color: inherit; }
    button, input, select, textarea { font: inherit; }
    img { max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(233, 226, 220, .85); background: rgba(255, 250, 244, .93); backdrop-filter: blur(16px); }
    .nav-row { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 800; letter-spacing: .02em; white-space: nowrap; }
    .brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 13px; background: var(--coral); color: #fff; box-shadow: 4px 4px 0 var(--orange); font-size: 20px; }
    .brand-name { font-size: 18px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; margin: 0; padding: 0; list-style: none; }
    .nav-links a { display: block; padding: 10px 11px; color: #494558; text-decoration: none; font-size: 13px; font-weight: 650; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--coral); }
    .nav-actions { display: flex; align-items: center; gap: 10px; }
    .menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 13px; background: var(--white); color: var(--ink); cursor: pointer; }
    .button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 8px; padding: 11px 19px; border: 0; border-radius: 14px; background: var(--coral); color: #fff; text-decoration: none; font-weight: 750; box-shadow: 0 9px 22px rgba(255, 101, 79, .2); transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 13px 26px rgba(255, 101, 79, .27); }
    .button:active { transform: translateY(1px); }
    .button-secondary { border: 1px solid rgba(101, 72, 216, .25); background: var(--white); color: var(--violet); box-shadow: none; }
    .button-secondary:hover { background: var(--pale-violet); box-shadow: none; }
    .hero { position: relative; overflow: hidden; padding: 78px 0 56px; }
    .hero::before, .hero::after { position: absolute; z-index: -1; content: ""; border-radius: 50%; pointer-events: none; }
    .hero::before { width: 280px; height: 280px; top: 50px; right: -80px; border: 1px solid rgba(101, 72, 216, .2); box-shadow: 0 0 0 28px rgba(101, 72, 216, .035), 0 0 0 58px rgba(255, 101, 79, .035); }
    .hero::after { width: 90px; height: 90px; left: 1%; bottom: 25px; background: rgba(255, 180, 68, .24); filter: blur(2px); }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(280px, .88fr); gap: 52px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px; color: var(--violet); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
    .eyebrow::before { width: 22px; height: 3px; border-radius: 3px; background: var(--coral); content: ""; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 680px; margin-bottom: 19px; font-size: clamp(40px, 6vw, 70px); line-height: 1.08; letter-spacing: -.055em; }
    .hero h1 span { color: var(--coral); }
    .hero-copy { max-width: 620px; margin-bottom: 26px; color: var(--muted); font-size: clamp(16px, 2vw, 19px); }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-note { margin: 17px 0 0; color: #777283; font-size: 13px; }
    .hero-visual { position: relative; min-height: 330px; display: grid; place-items: center; }
    .orbital { position: absolute; width: min(100%, 360px); aspect-ratio: 1; border: 1px solid rgba(101, 72, 216, .23); border-radius: 50%; animation: orbit 28s linear infinite; }
    .orbital::before, .orbital::after { position: absolute; width: 14px; height: 14px; border-radius: 50%; content: ""; }
    .orbital::before { top: 14%; left: 15%; background: var(--orange); box-shadow: 0 0 0 8px rgba(255, 180, 68, .16); }
    .orbital::after { right: 7%; bottom: 27%; background: var(--coral); box-shadow: 0 0 0 8px rgba(255, 101, 79, .13); }
    .visual-core { position: relative; z-index: 1; width: 190px; aspect-ratio: 1; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.75); border-radius: 42% 58% 54% 46% / 46% 43% 57% 54%; background: linear-gradient(145deg, #fff 7%, #f2edff 58%, #ffe8dc); box-shadow: 0 25px 65px rgba(77, 58, 153, .17); animation: morph 8s ease-in-out infinite; }
    .visual-core strong { display: block; color: var(--violet); font-size: 42px; letter-spacing: -.08em; }
    .visual-core small { display: block; color: var(--muted); text-align: center; font-weight: 700; }
    .orbit-label { position: absolute; z-index: 2; padding: 8px 13px; border: 1px solid rgba(233,226,220,.9); border-radius: 999px; background: #fff; box-shadow: 0 8px 24px rgba(51,39,79,.08); color: #403b54; font-size: 13px; font-weight: 750; }
    .orbit-label.one { top: 9%; left: 3%; }
    .orbit-label.two { top: 23%; right: 1%; }
    .orbit-label.three { right: 7%; bottom: 13%; }
    .orbit-label.four { bottom: 8%; left: 7%; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 44px; }
    .metric { padding: 17px 19px; border-left: 3px solid var(--orange); background: rgba(255,255,255,.72); }
    .metric strong { display: block; color: var(--ink); font-size: 18px; }
    .metric span { color: var(--muted); font-size: 12px; }
    .section { padding: 76px 0; }
    .section.soft { background: rgba(255,255,255,.48); border-block: 1px solid rgba(233,226,220,.65); }
    .section-head { max-width: 700px; margin: 0 0 30px; }
    .section-head h2 { margin-bottom: 11px; font-size: clamp(29px, 4vw, 44px); line-height: 1.2; letter-spacing: -.04em; }
    .section-head p { margin-bottom: 0; color: var(--muted); }
    .section-kicker { margin-bottom: 9px; color: var(--coral); font-size: 12px; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
    .intro-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 42px; align-items: start; }
    .intro-copy { padding: 25px 0 0; color: var(--muted); }
    .intro-copy strong { color: var(--ink); }
    .feature-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .feature-item { padding: 19px; border: 1px solid var(--line); border-radius: 17px 17px 17px 5px; background: var(--white); }
    .feature-item b { display: block; margin-bottom: 5px; color: var(--violet); }
    .feature-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
    .service-card { position: relative; overflow: hidden; min-height: 190px; padding: 23px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); transition: transform .22s ease, box-shadow .22s ease; }
    .service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
    .service-card::after { position: absolute; right: -25px; bottom: -38px; width: 110px; height: 110px; border-radius: 50%; background: var(--pale-coral); content: ""; }
    .service-card:nth-child(3n + 2)::after { background: var(--pale-violet); }
    .service-card h3 { position: relative; z-index: 1; margin-bottom: 8px; font-size: 18px; }
    .service-card p { position: relative; z-index: 1; margin-bottom: 14px; color: var(--muted); font-size: 14px; }
    .tag-row { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 7px; }
    .tag { padding: 4px 9px; border-radius: 999px; background: #f5f2ff; color: #51428e; font-size: 11px; font-weight: 700; }
    .workflow-banner { display: grid; grid-template-columns: 1fr auto; gap: 25px; align-items: center; margin-top: 24px; padding: 25px 28px; border-radius: 20px; background: var(--ink); color: #fff; }
    .workflow-banner p { margin: 5px 0 0; color: #d8d3e8; }
    .workflow-banner h3 { margin-bottom: 0; font-size: 20px; }
    .workflow-banner .button { background: var(--orange); color: #342819; box-shadow: none; }
    .split-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 36px; align-items: start; }
    .industry-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .industry-pill { padding: 14px 16px; border: 1px solid var(--line); border-radius: 13px; background: var(--white); color: #494558; font-weight: 700; font-size: 14px; }
    .network-panel { padding: 26px; border-radius: 22px; background: var(--pale-violet); }
    .network-panel h3 { margin-bottom: 12px; }
    .network-panel p { color: #514d65; }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-cloud span { padding: 6px 11px; border: 1px solid rgba(101,72,216,.17); border-radius: 999px; background: #fff; color: #49435f; font-size: 12px; font-weight: 700; }
    .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; counter-reset: step; }
    .process-step { padding: 20px; border-top: 3px solid var(--coral); background: var(--white); }
    .process-step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 12px; color: var(--violet); font-size: 13px; font-weight: 900; }
    .process-step h3 { margin-bottom: 5px; font-size: 16px; }
    .process-step p { margin: 0; color: var(--muted); font-size: 13px; }
    .showcase { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
    .showcase figure { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    .showcase figure img { display: block; width: 100%; height: auto; object-fit: contain; }
    .showcase figcaption { padding: 12px 15px; color: var(--muted); font-size: 13px; }
    .showcase .wide { grid-column: 1 / -1; }
    .rating-panel { display: grid; grid-template-columns: .72fr 1.28fr; gap: 24px; align-items: stretch; }
    .rating-score { display: flex; flex-direction: column; justify-content: center; padding: 28px; border-radius: 22px; background: var(--violet); color: #fff; }
    .rating-score span { color: #eeeaff; font-size: 13px; font-weight: 700; }
    .rating-score strong { margin: 4px 0; font-size: clamp(48px, 7vw, 72px); line-height: 1; }
    .rating-score .stars { color: #ffd166; letter-spacing: .08em; font-size: 23px; }
    .rating-score p { margin: 13px 0 0; color: #eeeaff; font-size: 13px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
    table { width: 100%; border-collapse: collapse; text-align: left; }
    th, td { padding: 14px 16px; border-bottom: 1px solid #eee9e5; vertical-align: top; }
    th { background: #f6f3ff; color: #40366c; font-size: 13px; white-space: nowrap; }
    td { color: #514d5d; font-size: 13px; }
    tr:last-child td { border-bottom: 0; }
    .positive { color: var(--teal); font-weight: 750; }
    .fine-print { margin: 12px 0 0; color: #777283; font-size: 12px; }
    .match-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: start; }
    .match-copy { padding: 10px 0; }
    .match-copy h3 { font-size: 24px; }
    .match-copy p, .match-copy li { color: var(--muted); }
    .match-copy ul { padding-left: 20px; }
    .form-card { padding: 25px; border: 1px solid var(--line); border-radius: 21px; background: #fff; box-shadow: 0 14px 38px rgba(51,39,79,.06); }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #494558; font-size: 13px; font-weight: 750; }
    .field input, .field select, .field textarea { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid #ddd7d2; border-radius: 11px; outline: 0; background: #fffdfb; color: var(--ink); }
    .field textarea { min-height: 108px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: var(--violet); box-shadow: 0 0 0 3px rgba(101,72,216,.12); }
    .form-submit { margin-top: 16px; }
    .token-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; align-items: start; }
    .token-note { padding: 24px; border-left: 4px solid var(--orange); background: #fff; }
    .token-note p { margin-bottom: 0; color: var(--muted); }
    .token-points { display: grid; gap: 10px; }
    .token-point { display: flex; gap: 13px; padding: 14px 0; border-bottom: 1px solid var(--line); }
    .token-point:last-child { border-bottom: 0; }
    .token-point b { min-width: 98px; color: var(--violet); }
    .token-point span { color: var(--muted); font-size: 14px; }
    .help-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .help-card { padding: 21px; border-radius: 17px; background: #fff; border: 1px solid var(--line); }
    .help-card h3 { margin-bottom: 7px; font-size: 17px; }
    .help-card p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; align-items: start; }
    .faq-list details { padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
    .faq-list summary { position: relative; padding-right: 25px; cursor: pointer; font-weight: 750; list-style: none; }
    .faq-list summary::-webkit-details-marker { display: none; }
    .faq-list summary::after { position: absolute; right: 0; content: "+"; color: var(--coral); 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: 14px; }
    .review-note { margin: -13px 0 22px; color: #777283; font-size: 12px; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review-card { padding: 21px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
    .review-card blockquote { margin: 0 0 15px; color: #454153; font-size: 14px; }
    .review-card cite { color: var(--violet); font-size: 12px; font-style: normal; font-weight: 800; }
    .article-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .article-links a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 15px; border: 1px solid var(--line); border-radius: 12px; background: #fff; color: #4b465b; text-decoration: none; font-size: 13px; transition: border-color .2s ease, color .2s ease; }
    .article-links a:hover { border-color: var(--violet); color: var(--violet); }
    .info-band { display: grid; grid-template-columns: 1fr auto; gap: 22px; align-items: center; padding: 27px; border-radius: 21px; background: var(--pale-coral); }
    .info-band h3 { margin-bottom: 6px; }
    .info-band p { margin-bottom: 0; color: var(--muted); }
    .contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
    .contact-details { display: grid; gap: 12px; }
    .contact-row { padding: 16px 18px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
    .contact-row strong { display: block; margin-bottom: 3px; color: var(--violet); font-size: 12px; }
    .contact-row a { color: var(--ink); text-decoration: none; }
    .qr-card { display: flex; gap: 16px; align-items: center; padding: 17px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
    .qr-card img { width: 112px; height: auto; object-fit: contain; }
    .qr-card p { margin: 0; color: var(--muted); font-size: 13px; }
    .join-panel { padding: 26px; border-radius: 20px; background: var(--ink); color: #fff; }
    .join-panel p { color: #ded9ed; }
    .join-panel .button { background: var(--orange); color: #342819; box-shadow: none; }
    .site-footer { padding: 28px 0 24px; border-top: 1px solid var(--line); background: #fffaf4; color: var(--ink); }
    .footer-top { display: flex; justify-content: space-between; gap: 25px; align-items: flex-start; }
    .footer-top p { max-width: 420px; margin: 10px 0 0; color: var(--muted); font-size: 13px; }
    .friend-links { display: flex; flex-wrap: wrap; gap: 8px 15px; max-width: 580px; }
    .friend-links a { color: #514b62; text-decoration: none; font-size: 12px; }
    .friend-links a:hover { color: var(--coral); }
    .copyright { margin: 19px 0 0; padding-top: 14px; border-top: 1px solid var(--line); color: #777283; font-size: 12px; }
    .back-top { position: fixed; right: 18px; bottom: 20px; z-index: 15; width: 45px; height: 45px; border: 1px solid var(--line); border-radius: 15px; background: #fff; color: var(--violet); box-shadow: 0 8px 24px rgba(51,39,79,.13); cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity .2s ease, transform .2s ease; }
    .back-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes orbit { to { transform: rotate(360deg); } }
    @keyframes morph { 0%, 100% { border-radius: 42% 58% 54% 46% / 46% 43% 57% 54%; } 50% { border-radius: 55% 45% 42% 58% / 55% 57% 43% 45%; } }

    @media (max-width: 1050px) {
      .nav-links a { padding-inline: 7px; font-size: 12px; }
      .nav-actions .button { padding-inline: 13px; }
    }
    @media (max-width: 900px) {
      .menu-toggle { display: inline-grid; place-items: center; }
      .nav-row { position: relative; }
      .nav-links { position: absolute; top: calc(100% - 1px); right: 0; left: 0; display: none; padding: 10px; border: 1px solid var(--line); border-radius: 0 0 16px 16px; background: var(--paper); box-shadow: var(--shadow); }
      .nav-links.open { display: grid; grid-template-columns: repeat(2, 1fr); }
      .nav-links a { padding: 10px 12px; font-size: 14px; }
      .nav-actions .button { display: none; }
      .hero-grid { gap: 20px; }
      .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .help-grid { grid-template-columns: repeat(2, 1fr); }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 680px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .nav-row { min-height: 66px; }
      .hero { padding: 56px 0 42px; }
      .hero-grid, .intro-layout, .split-layout, .rating-panel, .match-grid, .token-layout, .contact-layout { grid-template-columns: 1fr; }
      .hero-grid { gap: 4px; }
      .hero-visual { min-height: 280px; }
      .orbital { width: 260px; }
      .visual-core { width: 155px; }
      .visual-core strong { font-size: 35px; }
      .orbit-label { font-size: 11px; }
      .metrics { grid-template-columns: repeat(2, 1fr); margin-top: 24px; }
      .metric { padding: 13px; }
      .section { padding: 56px 0; }
      .service-grid, .feature-list, .industry-list, .process-grid, .faq-list, .review-grid, .help-grid { grid-template-columns: 1fr; }
      .service-card { min-height: auto; }
      .workflow-banner, .info-band { grid-template-columns: 1fr; }
      .workflow-banner .button, .info-band .button { justify-self: start; }
      .showcase { grid-template-columns: 1fr; }
      .showcase .wide { grid-column: auto; }
      .rating-score { min-height: 220px; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .article-links { grid-template-columns: 1fr; }
      .footer-top { flex-direction: column; }
      .friend-links { gap: 9px 14px; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }