:root {
      color-scheme: light;
      --ink: #282523;
      --muted: #6f6864;
      --paper: #fffaf7;
      --white: #ffffff;
      --red: #c83229;
      --red-deep: #8f211d;
      --coral: #f07860;
      --line: #eadbd5;
      --pink: #f9e9e3;
      --green: #295c49;
      --serif: Georgia, "Noto Serif SC", "Songti SC", serif;
      --sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: var(--sans);
      line-height: 1.7;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    .container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(255,250,247,.96);
      border-bottom: 1px solid rgba(150,65,49,.13);
      backdrop-filter: blur(12px);
    }
    .nav-row { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-weight: 800; }
    .brand img { width: 38px; height: 38px; object-fit: contain; }
    .brand-name { font-size: 17px; letter-spacing: 0; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a { padding: 8px 9px; color: #514844; font-size: 12px; transition: color .2s ease; }
    .nav-links a:hover { color: var(--red); }
    .nav-cta, .button {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      border: 1px solid var(--red); background: var(--red); color: #fff;
      padding: 11px 17px; font-size: 14px; font-weight: 700; cursor: pointer;
      transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
    }
    .nav-cta:hover, .button:hover { background: var(--red-deep); box-shadow: 0 7px 18px rgba(143,33,29,.18); transform: translateY(-2px); }
    .button.secondary { background: transparent; color: var(--red-deep); }
    .button.secondary:hover { background: #fff0eb; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; color: var(--ink); padding: 8px 10px; cursor: pointer; }
    .hero {
      position: relative; overflow: hidden; padding: 76px 0 48px;
      background: linear-gradient(125deg, #fff6f0 0%, #fffaf7 55%, #f9e6df 100%);
      border-bottom: 1px solid var(--line);
    }
    .hero::before {
      content: ""; position: absolute; inset: 0 0 auto auto; width: 36%; height: 100%;
      background: repeating-linear-gradient(135deg, transparent 0 22px, rgba(200,50,41,.055) 22px 23px);
      pointer-events: none;
    }
    .hero-inner { position: relative; display: grid; grid-template-columns: minmax(0,1.35fr) minmax(265px,.65fr); gap: 60px; align-items: center; }
    .eyebrow { color: var(--red-deep); font-size: 12px; font-weight: 800; letter-spacing: 1.4px; text-transform: uppercase; }
    h1, h2, h3, p { margin-top: 0; }
    h1 { max-width: 700px; margin: 14px 0 18px; font-family: var(--serif); font-size: clamp(42px, 6vw, 68px); line-height: 1.12; letter-spacing: 0; }
    .hero-copy { max-width: 610px; color: #5c514c; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 25px; }
    .hero-note { margin: 20px 0 0; color: var(--muted); font-size: 13px; }
    .hero-side { border-left: 1px solid rgba(143,33,29,.28); padding: 14px 0 14px 28px; }
    .hero-side h2 { margin-bottom: 12px; font-family: var(--serif); font-size: 23px; }
    .hero-side p { margin-bottom: 16px; color: var(--muted); font-size: 14px; }
    .model-chips { display: flex; flex-wrap: wrap; gap: 8px; }
    .model-chips span { border: 1px solid #e7c4b8; background: rgba(255,255,255,.72); padding: 5px 9px; color: #5b3831; font-size: 12px; }
    .proof-strip { position: relative; display: grid; grid-template-columns: repeat(4,1fr); margin-top: 54px; border-top: 1px solid #e7cec4; }
    .proof-item { padding: 20px 14px 0 0; }
    .proof-item strong { display: block; color: var(--red-deep); font-family: var(--serif); font-size: 23px; }
    .proof-item span { color: var(--muted); font-size: 12px; }
    .section { padding: 74px 0; }
    .section.alt { background: #fff2ec; border-block: 1px solid #f0ddd5; }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 28px; margin-bottom: 32px; }
    .section-head > div { max-width: 700px; }
    .section-head h2 { margin: 8px 0 8px; font-family: var(--serif); font-size: 34px; line-height: 1.25; }
    .section-head p { margin-bottom: 0; color: var(--muted); }
    .section-kicker { color: var(--red); font-size: 12px; font-weight: 800; letter-spacing: 1.2px; }
    .text-link { color: var(--red-deep); font-size: 14px; font-weight: 700; white-space: nowrap; }
    .intro-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 56px; align-items: start; }
    .intro-layout p { color: #5e5652; }
    .principles { border-top: 1px solid var(--line); }
    .principle { display: grid; grid-template-columns: 120px 1fr; gap: 15px; padding: 15px 0; border-bottom: 1px solid var(--line); }
    .principle strong { color: var(--red-deep); font-size: 14px; }
    .principle span { color: var(--muted); font-size: 14px; }
    .service-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
    .service-item { background: #fffdfa; padding: 22px 19px; min-height: 164px; transition: background .2s ease, transform .2s ease; }
    .service-item:hover { position: relative; z-index: 1; background: #fff4ef; transform: translateY(-3px); }
    .service-item .index { display: block; margin-bottom: 14px; color: var(--coral); font-size: 11px; font-weight: 800; }
    .service-item h3 { margin-bottom: 7px; font-size: 16px; }
    .service-item p { margin: 0; color: var(--muted); font-size: 13px; }
    .workflow { display: grid; grid-template-columns: repeat(4,1fr); counter-reset: step; border-top: 1px solid #d9aaa0; }
    .step { position: relative; padding: 24px 24px 0 0; }
    .step::before { counter-increment: step; content: "0" counter(step); display: block; margin-bottom: 14px; color: var(--red); font-family: var(--serif); font-size: 29px; }
    .step h3 { margin-bottom: 8px; font-size: 16px; }
    .step p { margin: 0; color: var(--muted); font-size: 13px; }
    .business-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
    .business-column { border-top: 3px solid var(--red); padding-top: 17px; }
    .business-column h3 { margin-bottom: 12px; font-family: var(--serif); font-size: 21px; }
    .business-column ul { margin: 0; padding: 0; list-style: none; }
    .business-column li { padding: 8px 0; border-bottom: 1px solid var(--line); color: #534c48; font-size: 14px; }
    .business-column li::before { content: "＋"; margin-right: 9px; color: var(--red); }
    .media-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
    .media-tile { overflow: hidden; background: #f4dfd6; }
    .media-tile img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 8; object-fit: cover; }
    .media-caption { padding: 15px 18px; background: #fff; }
    .media-caption strong { display: block; font-size: 15px; }
    .media-caption span { color: var(--muted); font-size: 13px; }
    .comparison { border: 1px solid var(--line); background: #fff; }
    .score-row { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; padding: 22px 24px; background: #fff2ec; border-bottom: 1px solid var(--line); }
    .score { color: var(--red-deep); font-family: var(--serif); font-size: 34px; font-weight: 700; }
    .stars { color: #c3412b; letter-spacing: 2px; font-size: 19px; }
    .score-note { color: var(--muted); font-size: 13px; }
    .table-wrap { overflow-x: auto; }
    table { width: 100%; min-width: 680px; border-collapse: collapse; text-align: left; }
    th, td { padding: 13px 18px; border-bottom: 1px solid #eee3de; font-size: 13px; }
    th { background: #fffaf7; color: #514742; font-weight: 700; }
    td:first-child { font-weight: 700; }
    td:nth-child(2) { color: var(--red-deep); font-weight: 700; }
    .case-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
    .case { border-top: 1px solid #d69a8c; padding: 18px 0 0; }
    .case-label { color: var(--red); font-size: 12px; font-weight: 800; }
    .case h3 { margin: 8px 0; font-size: 18px; }
    .case p { margin-bottom: 0; color: var(--muted); font-size: 14px; }
    .review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
    .review { padding: 22px; background: #fffdfa; }
    .review blockquote { margin: 0 0 17px; color: #4c4541; font-size: 14px; }
    .review footer { color: var(--red-deep); font-size: 12px; font-weight: 700; }
    .review footer span { display: block; color: var(--muted); font-weight: 400; }
    .article-grid { display: grid; grid-template-columns: repeat(5,1fr); gap: 18px; }
    .article { border-top: 2px solid var(--red); padding: 14px 0 0; }
    .article span { color: var(--muted); font-size: 11px; }
    .article h3 { margin: 7px 0; font-size: 15px; line-height: 1.5; }
    .article a:hover { color: var(--red); }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 38px 17px 0; cursor: pointer; font-weight: 700; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; position: absolute; right: 6px; top: 13px; color: var(--red); font-size: 22px; font-weight: 400; }
    details[open] summary::after { content: "−"; }
    details p { max-width: 820px; margin: -2px 36px 17px 0; color: var(--muted); font-size: 14px; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding: 28px 30px; background: #96251f; color: #fff; }
    .join-band h2 { margin: 0 0 5px; font-family: var(--serif); font-size: 27px; }
    .join-band p { margin: 0; color: #f5d8d1; font-size: 14px; }
    .join-band .button { flex: 0 0 auto; border-color: #fff; background: #fff; color: var(--red-deep); }
    .join-band .button:hover { background: #ffe7de; }
    .contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 52px; align-items: start; }
    .contact-copy h3 { margin: 0 0 12px; font-family: var(--serif); font-size: 24px; }
    .contact-copy p { color: var(--muted); font-size: 14px; }
    .contact-lines { display: grid; gap: 9px; margin: 22px 0; font-size: 14px; }
    .contact-lines strong { color: var(--red-deep); }
    .qr-wrap { width: 150px; padding: 8px; border: 1px solid var(--line); background: white; }
    .qr-wrap img { display: block; width: 100%; height: auto; }
    form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; font-weight: 700; }
    input, select, textarea { width: 100%; border: 1px solid #d9c9c2; background: #fff; padding: 11px 12px; color: var(--ink); outline: none; }
    input:focus, select:focus, textarea:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(200,50,41,.1); }
    textarea { min-height: 118px; resize: vertical; }
    form .button { justify-self: start; }
    .site-footer { background: #fff2ec; border-top: 1px solid var(--line); color: #413a37; padding: 32px 0 22px; }
    .footer-top { display: flex; align-items: start; justify-content: space-between; gap: 30px; }
    .footer-brand p { margin: 9px 0 0; color: var(--muted); font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; max-width: 580px; }
    .footer-links a { color: #514742; font-size: 13px; }
    .footer-links a:hover { color: var(--red); }
    .copyright { margin-top: 23px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
    .floating-contact { position: fixed; right: 18px; bottom: 20px; z-index: 12; display: grid; gap: 8px; }
    .floating-contact a { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid #b43b30; background: var(--red); color: #fff; font-size: 12px; font-weight: 700; box-shadow: 0 4px 14px rgba(70,25,20,.16); transition: transform .2s ease; }
    .floating-contact a:hover { transform: translateY(-3px); }
    .reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @media (max-width: 950px) {
      .nav-row { flex-wrap: wrap; padding-block: 12px; }
      .menu-toggle { display: inline-flex; align-items: center; gap: 7px; margin-left: auto; }
      .nav-cta { display: none; }
      .nav-links { display: none; width: 100%; justify-content: flex-start; padding: 7px 0 3px; border-top: 1px solid var(--line); }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 8px 11px 8px 0; margin-right: 10px; }
      .service-grid { grid-template-columns: repeat(2,1fr); }
      .article-grid { grid-template-columns: repeat(3,1fr); }
      .hero-inner { gap: 32px; }
    }
    @media (max-width: 650px) {
      .container { width: min(100% - 30px, 1160px); }
      .hero { padding: 54px 0 35px; }
      .hero-inner, .intro-layout, .contact-grid { grid-template-columns: 1fr; gap: 30px; }
      .hero-side { border-left: 0; border-top: 1px solid rgba(143,33,29,.28); padding: 19px 0 0; }
      .hero::before { width: 55%; opacity: .7; }
      h1 { font-size: 43px; }
      .hero-copy { font-size: 15px; }
      .proof-strip { grid-template-columns: repeat(2,1fr); margin-top: 36px; }
      .proof-item { padding: 16px 8px 0 0; }
      .section { padding: 55px 0; }
      .section-head { display: block; margin-bottom: 25px; }
      .section-head h2 { font-size: 29px; }
      .section-head .text-link { display: inline-block; margin-top: 12px; }
      .principle { grid-template-columns: 98px 1fr; }
      .service-grid { grid-template-columns: 1fr 1fr; }
      .service-item { min-height: 178px; padding: 17px 13px; }
      .service-item h3 { font-size: 15px; }
      .workflow { grid-template-columns: 1fr 1fr; row-gap: 20px; }
      .step { padding-right: 15px; }
      .business-grid, .case-grid { grid-template-columns: 1fr; gap: 24px; }
      .media-grid { grid-template-columns: 1fr; }
      .review-grid { grid-template-columns: 1fr; }
      .article-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
      .join-band { align-items: flex-start; flex-direction: column; padding: 24px 20px; }
      form { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .footer-top { flex-direction: column; }
      .floating-contact { right: 10px; bottom: 12px; }
      .floating-contact a { width: 42px; height: 42px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }