:root {
      --ink: #28232a;
      --muted: #6f6670;
      --paper: #fffafc;
      --rose: #d72f69;
      --rose-dark: #9e1948;
      --pink: #ffe3ee;
      --line: #f0dce4;
      --green: #176d5b;
      --serif: Georgia, "Noto Serif SC", "Songti SC", serif;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      background: var(--paper);
      color: var(--ink);
      font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; height: auto; }
    button, input, select, textarea { font: inherit; }
    .container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
    .site-header { position: sticky; top: 0; z-index: 20; background: rgba(255,250,252,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
    .nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 74px; }
    .brand { display: flex; align-items: center; flex: 0 0 auto; gap: 11px; font-weight: 750; }
    .brand img { width: 124px; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 9px; color: #514750; font-size: 13px; white-space: nowrap; transition: color .2s ease; }
    .nav-links a:hover { color: var(--rose); }
    .nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 19px; border: 0; border-radius: 4px; background: var(--rose); color: #fff; font-weight: 700; transition: transform .2s ease, background .2s ease, box-shadow .2s ease; }
    .nav-cta { flex: 0 0 auto; }
    .nav-cta:hover, .button:hover { transform: translateY(-2px); background: var(--rose-dark); box-shadow: 0 8px 20px #a91e4b2a; }
    .menu-toggle { display: none; border: 1px solid var(--line); background: #fff; border-radius: 4px; padding: 8px 11px; color: var(--ink); }
    .hero { position: relative; overflow: hidden; padding: 88px 0 64px; color: #fff; background: #8f1642; }
    .hero::before { position: absolute; inset: 0; content: ""; background: linear-gradient(112deg,#85143e 0%,#bd2458 55%,#e44d7a 100%); }
    .hero::after { position: absolute; right: -12%; top: -56%; width: 64%; aspect-ratio: 1; border: 1px solid #ffffff22; border-radius: 50%; box-shadow: 0 0 0 54px #ffffff08,0 0 0 110px #ffffff06; content: ""; }
    .hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(280px,.85fr); align-items: center; gap: 54px; }
    .eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #ffd6e4; font-size: 13px; letter-spacing: 1px; }
    .eyebrow::before { width: 25px; height: 1px; background: currentColor; content: ""; }
    h1 { max-width: 640px; margin: 18px 0; font-family: var(--serif); font-size: clamp(38px, 5vw, 62px); line-height: 1.2; font-weight: 700; }
    .hero-copy { max-width: 590px; margin: 0; color: #ffeaf1; font-size: 17px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
    .button-light { background: #fff; color: var(--rose-dark); }
    .button-outline { border: 1px solid #ffffff88; background: transparent; color: #fff; }
    .hero-note { margin-top: 22px; color: #ffd6e4; font-size: 13px; }
    .hero-panel { padding: 25px; border: 1px solid #ffffff47; background: #ffffff0c; }
    .hero-panel h2 { margin: 0 0 18px; font-size: 17px; }
    .model-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
    .model-cloud span { padding: 6px 10px; border: 1px solid #ffffff45; border-radius: 3px; color: #fff; font-size: 12px; }
    .hero-panel-foot { display: flex; justify-content: space-between; gap: 15px; margin-top: 22px; padding-top: 16px; border-top: 1px solid #ffffff35; color: #ffeaf1; font-size: 13px; }
    .metrics { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4,1fr); margin-top: -1px; border-bottom: 1px solid var(--line); background: #fff; }
    .metric { padding: 23px 18px; text-align: center; }
    .metric + .metric { border-left: 1px solid var(--line); }
    .metric strong { display: block; color: var(--rose-dark); font-family: var(--serif); font-size: 25px; line-height: 1.25; }
    .metric span { color: var(--muted); font-size: 13px; }
    section { scroll-margin-top: 88px; }
    .section { padding: 76px 0; }
    .section-tint { background: #fff0f5; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-kicker { margin: 0 0 8px; color: var(--rose); font-size: 12px; font-weight: 750; letter-spacing: 1.3px; text-transform: uppercase; }
    h2 { margin: 0; font-family: var(--serif); font-size: clamp(27px, 3vw, 39px); line-height: 1.3; }
    .section-intro { max-width: 600px; margin: 10px 0 0; color: var(--muted); }
    .text-link { color: var(--rose-dark); font-weight: 700; white-space: nowrap; }
    .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 46px; align-items: center; }
    .intro-copy p { color: var(--muted); }
    .intro-copy strong { color: var(--ink); }
    .feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 22px; margin: 22px 0 0; padding: 0; list-style: none; }
    .feature-list li { padding-left: 22px; position: relative; font-weight: 650; }
    .feature-list li::before { position: absolute; left: 0; color: var(--rose); content: "✦"; }
    .asset-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .asset-strip img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .asset-strip .square { grid-column: 1 / -1; width: min(240px,65%); aspect-ratio: 1; }
    .services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
    .service { min-height: 170px; padding: 23px; background: #fff; transition: background .2s ease, transform .2s ease; }
    .service:hover { position: relative; z-index: 1; transform: translateY(-3px); background: #fff8fb; }
    .service-mark { display: block; margin-bottom: 12px; color: var(--rose); font-family: var(--serif); font-size: 13px; }
    .service h3, .card h3 { margin: 0 0 7px; font-size: 17px; }
    .service p, .card p { margin: 0; color: var(--muted); font-size: 14px; }
    .workflow { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; counter-reset: step; }
    .workflow article { position: relative; padding: 23px 24px 20px 0; border-top: 2px solid #e8b8ca; }
    .workflow article::before { position: absolute; top: -12px; left: 0; width: 20px; height: 20px; border: 2px solid var(--rose); border-radius: 50%; background: var(--paper); color: var(--rose-dark); content: counter(step); counter-increment: step; font-size: 11px; font-weight: 700; line-height: 18px; text-align: center; }
    .workflow h3 { margin: 0 0 7px; font-size: 16px; }
    .workflow p { margin: 0; color: var(--muted); font-size: 14px; }
    .solution-grid, .case-grid, .reviews-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
    .card { padding: 22px; border: 1px solid var(--line); background: #fff; }
    .card-tag { display: inline-block; margin-bottom: 12px; color: var(--rose-dark); font-size: 12px; font-weight: 700; }
    .media-card { padding: 0; overflow: hidden; }
    .media-card img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .media-card .card-body { padding: 18px 20px 21px; }
    .review { display: flex; flex-direction: column; align-items: flex-start; min-height: 195px; }
    .stars { margin-bottom: 10px; color: #ca365f; letter-spacing: 2px; }
    .review p { flex: 1; color: #4f4650; }
    .review strong { margin-top: 12px; font-size: 13px; }
    .compare-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 30px; align-items: start; }
    .score-box { padding: 25px; background: #901944; color: #fff; }
    .score-box span { display: block; color: #ffdce8; font-size: 13px; }
    .score-box strong { display: block; margin: 3px 0; font-family: var(--serif); font-size: 54px; line-height: 1.2; }
    .score-box .stars { color: #ffcf65; font-size: 20px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); background: #fff; }
    table { width: 100%; border-collapse: collapse; text-align: left; }
    th, td { padding: 13px 15px; border-bottom: 1px solid var(--line); vertical-align: top; }
    th { background: #fff0f5; color: #5b3443; font-size: 13px; }
    td { font-size: 13px; }
    td:last-child { color: var(--green); font-weight: 650; }
    .pricing-note { margin: 14px 0 0; color: var(--muted); font-size: 13px; }
    .match-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; }
    .match-points { display: grid; gap: 13px; margin-top: 20px; }
    .match-points div { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .match-points strong { display: block; }
    .match-points span { color: var(--muted); font-size: 14px; }
    .form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .form label { display: grid; gap: 6px; color: #514750; font-size: 13px; font-weight: 650; }
    .form .full { grid-column: 1 / -1; }
    .form input, .form select, .form textarea { width: 100%; min-height: 43px; padding: 10px 11px; border: 1px solid #e6d3db; border-radius: 3px; background: #fff; color: var(--ink); }
    .form textarea { min-height: 110px; resize: vertical; }
    .form .button { justify-self: start; cursor: pointer; }
    .faq-list { max-width: 900px; margin: 0 auto; border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { position: relative; padding: 17px 35px 17px 0; cursor: pointer; list-style: none; font-weight: 700; }
    summary::-webkit-details-marker { display: none; }
    summary::after { position: absolute; right: 4px; color: var(--rose); content: "+"; font-size: 22px; top: 10px; }
    details[open] summary::after { content: "−"; }
    details p { margin: 0; padding: 0 30px 17px 0; color: var(--muted); font-size: 14px; }
    .article-list { display: grid; grid-template-columns: repeat(5,1fr); gap: 12px; }
    .article-list a { display: flex; min-height: 105px; flex-direction: column; justify-content: space-between; padding: 16px; border-left: 2px solid var(--rose); background: #fff; }
    .article-list a:hover { background: #fff0f5; }
    .article-list span { color: var(--muted); font-size: 12px; }
    .article-list strong { font-size: 14px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
    .tag-cloud span { padding: 7px 11px; border: 1px solid #e9c5d2; color: #71384d; background: #fff; font-size: 13px; }
    .network { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
    .network-panel { padding: 24px; border-left: 3px solid var(--rose); background: #fff; }
    .network-panel p { margin: 0; color: var(--muted); }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
    .contact-details { display: grid; gap: 10px; margin-top: 20px; }
    .contact-details a, .contact-details span { color: #554850; }
    .qr-box { width: min(180px,100%); padding: 9px; border: 1px solid var(--line); background: #fff; }
    .qr-box img { display: block; width: 100%; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 25px 28px; border: 1px solid #e8b8ca; background: #fff; }
    .join-band p { margin: 5px 0 0; color: var(--muted); }
    .footer { padding: 29px 0; border-top: 1px solid var(--line); background: #fff; color: #514750; }
    .footer-top { display: flex; align-items: start; justify-content: space-between; gap: 24px; }
    .footer p { margin: 4px 0; font-size: 13px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; }
    .footer-links a:hover { color: var(--rose-dark); }
    .copyright { margin-top: 17px !important; padding-top: 13px; border-top: 1px solid var(--line); color: #766c74; }
    .floating { position: fixed; right: 18px; bottom: 20px; z-index: 15; display: grid; gap: 8px; }
    .floating a { display: inline-flex; justify-content: center; padding: 10px 13px; border: 1px solid var(--line); background: #fff; color: var(--rose-dark); box-shadow: 0 5px 18px #35142118; font-size: 13px; font-weight: 700; }
    .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; } }
    @media (max-width: 980px) {
      .nav-wrap { gap: 12px; }
      .menu-toggle { display: inline-flex; }
      .nav-links { display: none; position: absolute; top: 73px; left: 0; right: 0; align-items: stretch; flex-direction: column; padding: 10px 20px 16px; border-bottom: 1px solid var(--line); background: var(--paper); }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 8px 4px; }
      .hero-inner { gap: 28px; }
      .services-grid { grid-template-columns: repeat(2,1fr); }
    }
    @media (max-width: 680px) {
      .container { width: min(100% - 30px,1160px); }
      .nav-wrap { min-height: 66px; }
      .brand img { width: 108px; }
      .nav-cta { min-height: 39px; padding: 8px 12px; font-size: 13px; }
      .nav-links { top: 65px; }
      .hero { padding: 63px 0 45px; }
      .hero-inner, .intro-grid, .compare-layout, .match-grid, .network, .contact-grid { grid-template-columns: 1fr; }
      .hero-inner { gap: 30px; }
      .hero-panel { padding: 19px; }
      .metrics { grid-template-columns: 1fr 1fr; }
      .metric:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
      .metric:nth-child(4) { border-top: 1px solid var(--line); }
      .metric { padding: 17px 10px; }
      .section { padding: 55px 0; }
      .section-head { align-items: start; flex-direction: column; gap: 10px; }
      .services-grid, .solution-grid, .case-grid, .reviews-grid { grid-template-columns: 1fr; }
      .service { min-height: 0; }
      .workflow { grid-template-columns: 1fr 1fr; gap: 14px 18px; }
      .workflow article { padding-right: 4px; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .feature-list { grid-template-columns: 1fr; }
      .form { grid-template-columns: 1fr; }
      .form .full { grid-column: auto; }
      .join-band, .footer-top { align-items: flex-start; flex-direction: column; }
      .floating { right: 10px; bottom: 10px; }
      .floating a { padding: 8px 10px; }
      th, td { padding: 11px; }
    }