:root {
      color-scheme: light;
      --ink: #301824;
      --muted: #76636c;
      --pink: #d83b76;
      --pink-dark: #a81f56;
      --rose: #fff0f4;
      --rose-2: #ffe2eb;
      --paper: #fffafb;
      --line: #f0dce3;
      --plum: #492238;
      --container: 1160px;
      --shadow: 0 18px 48px rgba(105, 36, 66, .09);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 84px; }
    body {
      margin: 0;
      color: var(--ink);
      background:
        radial-gradient(ellipse at 84% 8%, rgba(255, 221, 233, .72), transparent 28rem),
        linear-gradient(180deg, #fff8fa 0%, #fffafb 45%, #fff7f9 100%);
      font-family: "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
      line-height: 1.7;
    }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    img { max-width: 100%; }
    .container { width: min(var(--container), calc(100% - 40px)); margin-inline: auto; }
    .section { padding: 76px 0; }
    .section-head { max-width: 700px; margin-bottom: 32px; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      color: var(--pink-dark);
      font-size: .78rem;
      font-weight: 800;
      letter-spacing: .14em;
      text-transform: uppercase;
    }
    .eyebrow::before { width: 22px; height: 2px; background: currentColor; content: ""; }
    h1, h2, h3, p { margin-top: 0; }
    h1, h2, h3 { line-height: 1.25; letter-spacing: -.035em; }
    h2 { margin: 12px 0 12px; font-size: clamp(1.8rem, 4vw, 2.8rem); }
    h3 { margin-bottom: 10px; font-size: 1.12rem; }
    .section-head p, .muted { color: var(--muted); }
    .site-header {
      position: sticky;
      z-index: 50;
      top: 0;
      border-bottom: 1px solid rgba(240, 220, 227, .8);
      background: rgba(255, 250, 251, .92);
      backdrop-filter: blur(14px);
    }
    .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
    .brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
    .brand img { display: block; width: auto; max-width: 100%; height: 44px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 0; }
    .nav-links a {
      padding: 9px 11px;
      color: #59404b;
      font-size: .87rem;
      font-weight: 650;
      border-radius: 999px;
      transition: color .2s ease, background .2s ease;
    }
    .nav-links a:hover { color: var(--pink-dark); background: var(--rose); }
    .nav-links .nav-cta { margin-left: 8px; color: #fff; background: var(--pink-dark); padding-inline: 18px; }
    .nav-links .nav-cta:hover { color: #fff; background: #8f1948; }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 42px;
      align-items: center;
      justify-content: center;
      border: 1px solid var(--line);
      border-radius: 12px;
      color: var(--ink);
      background: #fff;
      cursor: pointer;
    }
    .menu-toggle svg { width: 20px; height: 20px; }
    .hero { position: relative; overflow: hidden; padding: 86px 0 65px; }
    .hero::before, .hero::after { position: absolute; z-index: -1; border-radius: 50%; content: ""; pointer-events: none; }
    .hero::before { width: 440px; height: 440px; top: 8px; right: -190px; border: 1px solid rgba(216, 59, 118, .14); box-shadow: 0 0 0 34px rgba(216, 59, 118, .035), 0 0 0 72px rgba(216, 59, 118, .025); }
    .hero::after { width: 180px; height: 180px; bottom: 8px; left: -92px; background: radial-gradient(circle, rgba(245, 150, 182, .24), transparent 70%); }
    .hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr); gap: 44px; align-items: center; }
    .hero-copy { max-width: 690px; }
    .hero h1 { margin: 18px 0; max-width: 650px; font-size: clamp(2.8rem, 6vw, 5.3rem); letter-spacing: -.06em; }
    .hero h1 span { color: var(--pink-dark); }
    .hero-copy > p { max-width: 640px; color: #69545f; font-size: 1.08rem; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .button {
      min-height: 49px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 9px;
      padding: 11px 20px;
      border: 1px solid transparent;
      border-radius: 13px;
      color: #fff;
      background: var(--pink-dark);
      font-weight: 750;
      box-shadow: 0 9px 20px rgba(168, 31, 86, .16);
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .button:hover { transform: translateY(-2px); background: #8f1948; box-shadow: 0 13px 24px rgba(168, 31, 86, .2); }
    .button:active { transform: translateY(0); }
    .button.secondary { color: var(--pink-dark); border-color: #e8b7c9; background: rgba(255,255,255,.75); box-shadow: none; }
    .button.secondary:hover { background: #fff0f4; }
    .hero-note { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 22px; color: #705b65; font-size: .88rem; }
    .hero-note span::before { content: "✓"; margin-right: 7px; color: var(--pink-dark); font-weight: 900; }
    .hero-panel {
      position: relative;
      padding: 26px;
      border: 1px solid rgba(222, 153, 177, .54);
      border-radius: 26px 26px 26px 8px;
      background: linear-gradient(145deg, rgba(255,255,255,.94), rgba(255,237,243,.93));
      box-shadow: var(--shadow);
      animation: hover-float 6s ease-in-out infinite;
    }
    .panel-label { color: var(--pink-dark); font-size: .78rem; font-weight: 800; letter-spacing: .12em; }
    .hero-panel h2 { margin: 9px 0 20px; font-size: 1.4rem; }
    .pipeline { display: grid; gap: 10px; }
    .pipeline-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 14px; border: 1px solid #f1d8e1; border-radius: 12px; background: #fff; }
    .pipeline-row strong { font-size: .91rem; }
    .pipeline-row span { color: var(--muted); font-size: .8rem; }
    .pipeline-foot { margin: 16px 0 0; color: var(--muted); font-size: .86rem; }
    .stats { position: relative; z-index: 1; margin-top: 50px; }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .stat { padding: 17px 18px; border-left: 2px solid #e7a0b8; background: rgba(255,255,255,.6); }
    .stat strong { display: block; margin-bottom: 3px; font-size: 1.04rem; }
    .stat span { color: var(--muted); font-size: .85rem; }
    .about-band { padding: 28px 0; border-block: 1px solid #f1dfe5; background: rgba(255,255,255,.55); }
    .about-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 30px; align-items: center; }
    .about-grid h2 { margin: 0; font-size: clamp(1.45rem, 3vw, 2rem); }
    .about-grid p { margin: 0; color: var(--muted); }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .service-card {
      position: relative;
      padding: 23px;
      border: 1px solid var(--line);
      border-radius: 17px 17px 17px 5px;
      background: rgba(255,255,255,.83);
      transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .service-card:hover { transform: translateY(-4px); border-color: #e7adc1; box-shadow: 0 15px 32px rgba(105,36,66,.08); }
    .service-index { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; margin-bottom: 14px; border-radius: 11px; color: var(--pink-dark); background: var(--rose); font-size: .82rem; font-weight: 850; }
    .service-card p { margin: 0; color: var(--muted); font-size: .92rem; }
    .model-section { padding-top: 6px; }
    .model-box { padding: 25px; border-radius: 20px; background: var(--plum); color: #fff8fa; }
    .model-box h3 { margin: 0 0 7px; color: #fff; }
    .model-box p { margin-bottom: 17px; color: #f1dbe3; font-size: .91rem; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-cloud span { padding: 6px 11px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; color: #fff; background: rgba(255,255,255,.08); font-size: .82rem; }
    .workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: steps; }
    .step { position: relative; padding: 20px 18px; border-top: 2px solid #df7b9e; background: linear-gradient(180deg,#fff,rgba(255,255,255,.35)); counter-increment: steps; }
    .step::before { display: block; margin-bottom: 13px; color: var(--pink-dark); content: "0" counter(steps); font-size: .83rem; font-weight: 850; letter-spacing: .08em; }
    .step p { margin: 0; color: var(--muted); font-size: .9rem; }
    .solution-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .solution { display: grid; grid-template-columns: 42px 1fr; gap: 15px; padding: 23px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.8); }
    .solution-mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: var(--pink-dark); background: var(--rose); font-weight: 850; }
    .solution p { margin: 0; color: var(--muted); font-size: .91rem; }
    .network-strip { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 26px 28px; border-radius: 6px 22px 22px 22px; background: linear-gradient(110deg, #ffe7ee, #fff); }
    .network-strip p { max-width: 650px; margin: 0; color: #69545f; }
    .case-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; align-items: stretch; }
    .case-feature { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
    .media-frame { overflow: hidden; margin-bottom: 16px; border-radius: 13px; background: #fff1f5; }
    .media-frame img { display: block; width: 100%; height: auto; object-fit: contain; }
    .case-feature p { margin-bottom: 0; color: var(--muted); }
    .case-side { display: grid; gap: 18px; }
    .case-note { padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: linear-gradient(145deg,#fff,#fff1f5); }
    .case-note p { margin: 0; color: var(--muted); font-size: .92rem; }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
    .review { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.87); }
    .review blockquote { margin: 0 0 16px; color: #59454f; font-size: .94rem; }
    .review figcaption { color: var(--pink-dark); font-size: .83rem; font-weight: 750; }
    .compare-wrap { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
    .rating-banner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 26px; color: #fff; background: linear-gradient(110deg,#a81f56,#d83b76); }
    .rating-banner strong { display: block; font-size: 1.2rem; }
    .rating-score { text-align: right; white-space: nowrap; }
    .rating-score b { display: block; font-size: 1.85rem; line-height: 1.1; }
    .rating-score span { color: #ffe3ec; font-size: .86rem; }
    .table-scroll { overflow-x: auto; }
    table { width: 100%; border-collapse: collapse; min-width: 740px; }
    th, td { padding: 13px 16px; border-bottom: 1px solid #f1e4e8; text-align: left; vertical-align: top; }
    th { color: #704151; background: #fff6f8; font-size: .87rem; }
    td { color: #594750; font-size: .9rem; }
    tbody tr:last-child td { border-bottom: 0; }
    td:first-child { width: 25%; color: var(--ink); font-weight: 700; }
    .compare-foot { padding: 14px 18px; color: var(--muted); background: #fffafb; font-size: .82rem; }
    .token-layout { display: grid; grid-template-columns: 1fr .8fr; gap: 20px; align-items: start; }
    .token-copy { padding: 26px; border-radius: 18px; background: #fff; border: 1px solid var(--line); }
    .token-copy p { color: var(--muted); }
    .token-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
    .token-list li { padding: 13px 15px; border-left: 3px solid #d85a85; background: #fff1f5; color: #5e4651; font-size: .9rem; }
    .faq-list { display: grid; gap: 9px; }
    details { border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.86); }
    summary { position: relative; padding: 16px 48px 16px 18px; cursor: pointer; font-weight: 720; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { position: absolute; top: 50%; right: 18px; color: var(--pink-dark); content: "+"; font-size: 1.35rem; line-height: 1; transform: translateY(-50%); }
    details[open] summary::after { content: "−"; }
    details p { margin: 0; padding: 0 18px 17px; color: var(--muted); font-size: .92rem; }
    .knowledge-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 18px; }
    .knowledge-card { padding: 24px; border-radius: 18px; border: 1px solid var(--line); background: #fff; }
    .knowledge-card p { margin-bottom: 0; color: var(--muted); }
    .articles { display: grid; gap: 0; }
    .article-link { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px 0; border-bottom: 1px solid #f1e4e8; color: #563746; font-weight: 650; }
    .article-link:last-child { border-bottom: 0; }
    .article-link span:last-child { color: var(--pink-dark); }
    .contact-layout { display: grid; grid-template-columns: 1fr .85fr; gap: 20px; align-items: start; }
    .form-panel, .contact-panel { padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
    .form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .field { display: grid; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { color: #593d49; font-size: .86rem; font-weight: 700; }
    .field input, .field select, .field textarea {
      width: 100%;
      min-height: 46px;
      padding: 11px 12px;
      border: 1px solid #e8d5dc;
      border-radius: 10px;
      outline: none;
      color: var(--ink);
      background: #fffafb;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    .field textarea { min-height: 112px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus { border-color: #cf6087; box-shadow: 0 0 0 3px rgba(216,59,118,.1); }
    .form-note { margin: 12px 0 0; color: var(--muted); font-size: .8rem; }
    .contact-info { display: grid; gap: 10px; margin: 17px 0 20px; padding: 0; list-style: none; }
    .contact-info li { padding: 10px 12px; border-radius: 10px; background: #fff4f7; color: #604754; }
    .qr-frame { width: min(210px, 100%); margin-top: 15px; padding: 9px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
    .qr-frame img { display: block; width: 100%; height: auto; }
    .footer { margin-top: 8px; color: #f8e8ee; background: #3c1d2d; }
    .footer-main { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; padding: 28px 0 20px; }
    .footer p { max-width: 560px; margin: 0; color: #e8d2db; font-size: .88rem; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: flex-end; }
    .footer a { color: #fff2f6; font-size: .85rem; }
    .footer a:hover { color: #ffb8ce; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-top: 1px solid rgba(255,255,255,.14); color: #d7bdc8; font-size: .78rem; }
    .float-contact { position: fixed; z-index: 40; right: 18px; bottom: 20px; display: grid; gap: 8px; }
    .float-contact a { display: inline-flex; align-items: center; justify-content: center; min-width: 48px; min-height: 46px; padding: 0 13px; border: 1px solid #e9c4d1; border-radius: 14px; color: var(--pink-dark); background: #fff; box-shadow: 0 7px 22px rgba(83,25,51,.14); font-size: .83rem; font-weight: 750; transition: transform .2s ease; }
    .float-contact a:hover { transform: translateY(-2px); }
    .reveal { opacity: 0; transform: translateY(16px); transition: opacity .65s ease, transform .65s ease; }
    .reveal.is-visible { opacity: 1; transform: translateY(0); }
    @keyframes hover-float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
    @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; }
    }
    @media (max-width: 900px) {
      .nav-wrap { min-height: 68px; }
      .menu-toggle { display: inline-flex; }
      .nav-links { position: absolute; top: calc(100% + 1px); left: 0; right: 0; display: none; align-items: stretch; padding: 12px 20px 17px; border-bottom: 1px solid var(--line); background: #fffafb; box-shadow: 0 14px 22px rgba(74,28,48,.08); }
      .nav-links.is-open { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .nav-links a { padding: 10px 12px; }
      .nav-links .nav-cta { margin: 4px 0 0; text-align: center; }
      .hero-grid { grid-template-columns: 1fr; gap: 30px; }
      .hero-copy { max-width: 780px; }
      .hero-panel { max-width: 620px; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .workflow { grid-template-columns: repeat(2, 1fr); }
      .review-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 640px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .section { padding: 58px 0; }
      .hero { padding: 62px 0 45px; }
      .hero h1 { font-size: clamp(2.5rem, 13vw, 4rem); }
      .hero-copy > p { font-size: 1rem; }
      .hero-panel { padding: 21px; }
      .stats { margin-top: 34px; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
      .stat { padding: 13px; }
      .about-grid, .token-layout, .knowledge-grid, .contact-layout, .case-grid { grid-template-columns: 1fr; }
      .about-grid { gap: 10px; }
      .service-grid, .solution-grid, .review-grid { grid-template-columns: 1fr; }
      .workflow { grid-template-columns: 1fr 1fr; gap: 8px; }
      .step { padding: 17px 13px; }
      .network-strip { align-items: flex-start; flex-direction: column; padding: 22px; }
      .rating-banner { align-items: flex-start; flex-direction: column; }
      .rating-score { text-align: left; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full { grid-column: auto; }
      .footer-main, .footer-bottom { flex-direction: column; }
      .footer-links { justify-content: flex-start; }
      .float-contact { right: 10px; bottom: 12px; }
      .float-contact a { min-width: 44px; min-height: 42px; padding-inline: 10px; }
    }