:root {
      color-scheme: light;
      --ink: #30252a;
      --muted: #74666d;
      --pink: #d82c69;
      --pink-dark: #a91e50;
      --rose: #fff0f5;
      --line: #eadde2;
      --paper: #fffdfd;
      --plum: #573444;
      --green: #236b56;
      --container: 1160px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    a { color: inherit; text-decoration: none; }
    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; z-index: 20; top: 0; background: rgba(255,253,253,.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: 20px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; }
    .brand img { width: 42px; height: 42px; object-fit: contain; }
    .brand-name { color: var(--plum); font-size: 18px; font-weight: 800; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 11px; color: #594c52; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--pink); }
    .nav-links .nav-cta { margin-left: 12px; padding: 9px 16px; color: #fff; background: var(--pink); border-radius: 5px; }
    .menu-toggle { display: none; border: 1px solid var(--line); border-radius: 5px; padding: 8px 12px; color: var(--ink); background: #fff; cursor: pointer; }
    .hero { overflow: hidden; position: relative; padding: 80px 0 50px; background: linear-gradient(135deg, #fff8fa 0%, #fff1f6 55%, #fffafc 100%); border-bottom: 1px solid #f2e4e9; }
    .hero::before, .hero::after { content: ""; position: absolute; pointer-events: none; border: 1px solid rgba(216,44,105,.14); transform: rotate(34deg); }
    .hero::before { width: 310px; height: 190px; right: -85px; top: 36px; border-radius: 48% 18% 50% 20%; }
    .hero::after { width: 200px; height: 120px; right: 120px; bottom: -67px; border-radius: 50%; }
    .hero-inner { position: relative; z-index: 1; max-width: 850px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin: 0 0 18px; color: var(--pink-dark); font-size: 13px; font-weight: 700; letter-spacing: 0; }
    .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--pink); }
    h1 { max-width: 760px; margin: 0; color: #35242b; font-size: clamp(36px, 6vw, 64px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 690px; margin: 20px 0 26px; color: #63555c; font-size: 17px; }
    .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
    .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 19px; border: 1px solid transparent; border-radius: 5px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
    .button:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(128,35,72,.16); }
    .button-primary { color: #fff; background: var(--pink); }
    .button-primary:hover { background: var(--pink-dark); }
    .button-outline { color: var(--pink-dark); border-color: #df9bb4; background: rgba(255,255,255,.72); }
    .hero-footnote { margin: 15px 0 0; color: var(--muted); font-size: 13px; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 48px; border-top: 1px solid #ead7df; }
    .metric { padding: 20px 18px 0 0; }
    .metric strong { display: block; color: var(--plum); font-size: 19px; }
    .metric span { color: var(--muted); font-size: 13px; }
    .section { padding: 64px 0; }
    .section-tint { background: #fff7fa; border-block: 1px solid #f3e7eb; }
    .section-heading { max-width: 700px; margin-bottom: 28px; }
    .section-heading h2 { margin: 0 0 9px; color: #35242b; font-size: clamp(25px, 3.5vw, 36px); line-height: 1.25; letter-spacing: 0; }
    .section-heading p { margin: 0; color: var(--muted); }
    .intro-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 42px; align-items: start; }
    .intro-copy p { margin: 0 0 14px; color: #5e5258; }
    .principles { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
    .principles li { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); }
    .principles strong { color: var(--plum); }
    .principles span { color: var(--muted); text-align: right; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .service-item { padding: 19px; border: 1px solid var(--line); border-top: 3px solid #e7799f; background: #fff; transition: transform .22s ease, box-shadow .22s ease; }
    .service-item:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(75,36,51,.08); }
    .service-item h3 { margin: 0 0 7px; font-size: 17px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .model-band { margin-top: 24px; padding: 21px 23px; color: #fff; background: var(--plum); }
    .model-band strong { display: block; margin-bottom: 8px; font-size: 15px; }
    .model-band p { margin: 0; color: #f7eaf0; font-size: 14px; }
    .split-list { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: start; }
    .plain-list { margin: 0; padding: 0; list-style: none; }
    .plain-list li { padding: 12px 0 12px 21px; border-bottom: 1px solid var(--line); position: relative; }
    .plain-list li::before { content: ""; position: absolute; left: 1px; top: 21px; width: 7px; height: 7px; border-radius: 50%; background: var(--pink); }
    .process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
    .process-item { padding-top: 14px; border-top: 2px solid #df9bb4; counter-increment: step; }
    .process-item::before { content: "0" counter(step); color: var(--pink-dark); font-weight: 800; font-size: 13px; }
    .process-item h3 { margin: 7px 0 5px; font-size: 17px; }
    .process-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .image-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 14px; align-items: start; }
    .image-frame { margin: 0; overflow: hidden; background: #f4ebef; }
    .image-frame img { display: block; width: 100%; height: auto; transition: transform .35s ease; }
    .image-frame:hover img { transform: scale(1.025); }
    .image-frame figcaption { padding: 10px 12px; color: #51434a; font-size: 13px; background: #fff; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .review { margin: 0; padding: 18px; border-left: 3px solid #d94e7f; background: #fff; }
    .review p { margin: 0 0 14px; color: #51464b; font-size: 14px; }
    .review cite { color: var(--muted); font-size: 13px; font-style: normal; }
    .review-note { margin: 13px 0 0; color: var(--muted); font-size: 12px; }
    .score-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
    .score { color: var(--pink-dark); font-weight: 800; }
    .score strong { font-size: 30px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; min-width: 720px; border-collapse: collapse; text-align: left; }
    th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
    th { color: #513743; background: #fff0f5; font-size: 14px; }
    td { color: #51464b; font-size: 14px; }
    tr:last-child td { border-bottom: 0; }
    .good { color: var(--green); font-weight: 700; }
    .token-note { margin: 13px 0 0; color: var(--muted); font-size: 13px; }
    .form-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 38px; align-items: start; }
    .contact-list { margin: 0; padding: 0; list-style: none; }
    .contact-list li { padding: 9px 0; border-bottom: 1px solid var(--line); color: #554850; overflow-wrap: anywhere; }
    .contact-list strong { color: var(--plum); }
    .qr { width: 120px; margin-top: 16px; border: 1px solid var(--line); padding: 5px; background: #fff; }
    .qr img { display: block; width: 100%; }
    .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: #51434a; font-size: 13px; font-weight: 700; }
    .field input, .field select, .field textarea { width: 100%; min-height: 44px; padding: 10px 11px; color: var(--ink); border: 1px solid #d9cbd1; border-radius: 4px; background: #fff; }
    .field textarea { min-height: 110px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid rgba(216,44,105,.2); border-color: var(--pink); }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 16px 34px 16px 0; cursor: pointer; color: #3f3037; font-weight: 700; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 3px; top: 12px; color: var(--pink); font-size: 22px; }
    details[open] summary::after { content: "−"; }
    details p { margin: -2px 0 16px; max-width: 850px; color: var(--muted); }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
    .article-link { display: flex; min-height: 60px; align-items: center; padding: 12px; border: 1px solid var(--line); color: var(--plum); font-size: 14px; background: #fff; transition: border-color .2s ease, color .2s ease; }
    .article-link:hover { border-color: var(--pink); color: var(--pink-dark); }
    .tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
    .tag-list span { padding: 5px 10px; color: #644b57; border: 1px solid #ead5de; background: #fff; font-size: 13px; }
    .footer { margin-top: 0; padding: 23px 0; color: #51434a; background: #fff2f6; border-top: 1px solid var(--line); font-size: 13px; }
    .footer-row { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px 24px; align-items: center; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; }
    .footer a { color: #74364f; text-decoration: underline; text-underline-offset: 3px; }
    .floating { position: fixed; z-index: 15; right: 16px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; }
    .floating a, .floating button { display: inline-flex; justify-content: center; align-items: center; min-width: 48px; min-height: 44px; padding: 8px 11px; border: 1px solid #d9a0b5; border-radius: 4px; color: #77344e; background: #fff; box-shadow: 0 4px 14px rgba(48,37,42,.12); cursor: pointer; font-size: 12px; }
    .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: 940px) {
      .menu-toggle { display: inline-flex; }
      .nav-row { position: relative; }
      .nav-links { display: none; position: absolute; left: 0; right: 0; top: 71px; align-items: stretch; padding: 10px 12px 14px; border: 1px solid var(--line); background: #fffdfd; box-shadow: 0 12px 20px rgba(48,37,42,.08); }
      .nav-links.is-open { display: flex; flex-wrap: wrap; justify-content: flex-start; }
      .nav-links a { padding: 9px 10px; }
      .nav-links .nav-cta { margin-left: 0; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 640px) {
      .container { width: min(var(--container), calc(100% - 30px)); }
      .hero { padding: 57px 0 34px; }
      .hero-copy { font-size: 15px; }
      .metrics { grid-template-columns: repeat(2, 1fr); row-gap: 12px; margin-top: 34px; }
      .metric { padding-top: 14px; }
      .section { padding: 46px 0; }
      .intro-grid, .split-list, .form-layout { grid-template-columns: 1fr; gap: 22px; }
      .service-grid, .review-grid { grid-template-columns: 1fr; }
      .process { grid-template-columns: repeat(2, 1fr); gap: 17px; }
      .image-grid { grid-template-columns: 1fr 1fr; }
      .image-frame:first-child { grid-column: 1 / -1; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field-full { grid-column: auto; }
      .footer-row { align-items: flex-start; flex-direction: column; }
      .floating { right: 10px; bottom: 10px; }
      .floating a, .floating button { min-width: 42px; min-height: 40px; padding: 7px 9px; }
    }