:root {
      color-scheme: dark;
      --bg: #100b19;
      --bg-soft: #171020;
      --panel: #1d1628;
      --panel-2: #251b31;
      --text: #f7f1fb;
      --muted: #c1b5cc;
      --line: rgba(235, 218, 255, .14);
      --pink: #ff4fa3;
      --violet: #b18aff;
      --cyan: #70e6df;
      --lime: #c4f174;
      --max: 1180px;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--text);
      background: var(--bg);
      font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; height: auto; }
    button, input, select, textarea { font: inherit; }
    button, a, summary { -webkit-tap-highlight-color: transparent; }
    .container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
    .site-header {
      position: sticky;
      z-index: 20;
      top: 0;
      border-bottom: 1px solid var(--line);
      background: rgba(16, 11, 25, .94);
      backdrop-filter: blur(14px);
    }
    .nav {
      min-height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; font-weight: 750; }
    .brand img { width: 40px; max-height: 40px; object-fit: contain; }
    .nav-links { display: flex; align-items: center; justify-content: flex-end; gap: 0; }
    .nav-links a { padding: 10px 12px; color: var(--muted); font-size: 14px; transition: color .2s ease; }
    .nav-links a:hover, .nav-links a:focus-visible { color: var(--text); }
    .nav-links .nav-cta { color: #1a101a; background: var(--lime); font-weight: 750; margin-left: 8px; padding-inline: 16px; }
    .menu-toggle {
      display: none;
      border: 1px solid var(--line);
      background: var(--panel);
      color: var(--text);
      padding: 8px 12px;
      cursor: pointer;
    }
    .hero {
      position: relative;
      overflow: hidden;
      border-bottom: 1px solid var(--line);
      background:
        linear-gradient(115deg, rgba(255,79,163,.13), transparent 44%),
        linear-gradient(300deg, rgba(177,138,255,.14), transparent 48%),
        var(--bg);
    }
    .hero::before, .hero::after {
      content: "";
      position: absolute;
      pointer-events: none;
      border: 1px solid rgba(255,255,255,.1);
      transform: rotate(-28deg);
    }
    .hero::before { width: 420px; height: 180px; top: 62px; right: -80px; }
    .hero::after { width: 270px; height: 120px; right: 13%; bottom: 36px; border-color: rgba(112,230,223,.17); }
    .hero-inner { position: relative; z-index: 1; padding-block: 92px 58px; }
    .hero-copy { max-width: 790px; }
    .eyebrow { color: var(--cyan); font-size: 13px; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
    h1 { max-width: 760px; margin: 16px 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.12; letter-spacing: 0; }
    .hero h1 span { color: var(--pink); }
    .hero-copy > p { max-width: 660px; color: var(--muted); font-size: 18px; margin: 0 0 26px; }
    .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; }
    .button {
      display: inline-flex;
      min-height: 48px;
      align-items: center;
      justify-content: center;
      padding: 11px 20px;
      border: 1px solid transparent;
      background: var(--pink);
      color: #1d0b19;
      font-weight: 800;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .button:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(255,79,163,.22); }
    .button.secondary { background: transparent; border-color: var(--line); color: var(--text); }
    .hero-foot { display: flex; flex-wrap: wrap; gap: 12px 26px; padding-top: 46px; color: var(--muted); font-size: 14px; }
    .hero-foot strong { color: var(--text); }
    .ticker { overflow: hidden; border-bottom: 1px solid var(--line); background: #15101d; }
    .ticker-track { display: flex; justify-content: center; flex-wrap: wrap; gap: 8px 26px; padding: 16px 20px; color: #dfd4e8; font-size: 13px; }
    .ticker-track span::before { content: "✳"; color: var(--pink); margin-right: 8px; }
    section { padding-block: 78px; border-bottom: 1px solid var(--line); }
    section:nth-of-type(even) { background: #130e1b; }
    .section-head { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
    .section-head > div { max-width: 720px; }
    .kicker { color: var(--pink); font-size: 12px; font-weight: 800; letter-spacing: .12em; }
    h2 { font-size: clamp(27px, 4vw, 40px); line-height: 1.2; margin: 8px 0 10px; letter-spacing: 0; }
    h3 { line-height: 1.35; letter-spacing: 0; }
    .section-head p, .lead { color: var(--muted); margin: 0; max-width: 720px; }
    .stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
    .stat { padding: 23px; background: var(--panel); }
    .stat strong { display: block; color: var(--lime); font-size: 24px; }
    .stat span { color: var(--muted); font-size: 14px; }
    .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: start; }
    .intro-note { padding-left: 22px; border-left: 2px solid var(--pink); color: var(--muted); }
    .pill-list { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
    .pill { padding: 7px 11px; border: 1px solid var(--line); color: #e8dff0; font-size: 13px; }
    .service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .service {
      padding: 20px;
      border: 1px solid var(--line);
      background: linear-gradient(145deg, rgba(255,79,163,.07), transparent 65%), var(--panel);
      transition: transform .2s ease, border-color .2s ease;
    }
    .service:hover, .quote:hover { transform: translateY(-3px); border-color: rgba(255,79,163,.5); }
    .service h3 { margin: 0 0 8px; font-size: 17px; }
    .service p { color: var(--muted); margin: 0; font-size: 14px; }
    .service .tag { color: var(--cyan); font-size: 12px; font-weight: 700; }
    .wide-feature {
      display: grid;
      grid-template-columns: 1.1fr .9fr;
      align-items: center;
      gap: 32px;
      padding: 30px;
      border: 1px solid var(--line);
      background: var(--panel);
    }
    .wide-feature h3 { margin: 0 0 12px; font-size: 24px; }
    .wide-feature p { color: var(--muted); }
    .feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0; padding: 0; list-style: none; }
    .feature-list li { padding: 13px; border-left: 2px solid var(--violet); background: var(--bg-soft); color: #e6ddec; }
    .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
    .step { position: relative; padding: 20px 20px 22px 0; border-top: 1px solid var(--line); counter-increment: step; }
    .step::before { content: "0" counter(step); display: block; margin-bottom: 17px; color: var(--pink); font-size: 13px; font-weight: 800; }
    .step h3 { margin: 0 0 7px; font-size: 17px; }
    .step p { margin: 0; color: var(--muted); font-size: 14px; }
    .solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .solution { padding: 20px 0; border-top: 2px solid var(--cyan); }
    .solution h3 { margin: 0 0 8px; }
    .solution p { margin: 0; color: var(--muted); font-size: 14px; }
    .network { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
    .network-copy { color: var(--muted); }
    .network-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .network-list div { padding: 14px; border: 1px solid var(--line); background: var(--panel); }
    .network-list strong { display: block; color: var(--cyan); font-size: 14px; }
    .case-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 14px; }
    .case { overflow: hidden; border: 1px solid var(--line); background: var(--panel); }
    .case img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
    .case.square img { aspect-ratio: 1; }
    .case-copy { padding: 16px; }
    .case-copy h3 { margin: 0 0 6px; font-size: 16px; }
    .case-copy p { margin: 0; color: var(--muted); font-size: 14px; }
    .rating-band { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 22px; padding: 20px 24px; border: 1px solid rgba(255,79,163,.4); background: linear-gradient(100deg, rgba(255,79,163,.12), rgba(177,138,255,.08)); }
    .rating-band strong { color: var(--lime); font-size: 34px; }
    .stars { color: var(--pink); letter-spacing: 2px; }
    .table-wrap { overflow-x: auto; border: 1px solid var(--line); }
    table { width: 100%; min-width: 650px; border-collapse: collapse; text-align: left; }
    th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); }
    th { background: var(--panel-2); color: #fff; }
    td { color: var(--muted); }
    td:first-child { color: var(--text); font-weight: 700; }
    .match { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: start; }
    .match-note { padding: 20px; border-left: 2px solid var(--lime); background: var(--panel); color: var(--muted); }
    .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
    .price-item { padding: 20px; background: var(--panel); }
    .price-item h3 { margin: 0 0 8px; font-size: 16px; }
    .price-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .quote { padding: 20px; border: 1px solid var(--line); background: var(--panel); transition: transform .2s ease, border-color .2s ease; }
    .quote blockquote { margin: 0 0 18px; color: #e9e0ef; }
    .quote cite { color: var(--cyan); font-size: 13px; font-style: normal; }
    .faq-list { border-top: 1px solid var(--line); }
    details { border-bottom: 1px solid var(--line); }
    summary { display: flex; justify-content: space-between; gap: 18px; padding: 17px 0; cursor: pointer; font-weight: 700; list-style: none; }
    summary::-webkit-details-marker { display: none; }
    summary::after { content: "+"; color: var(--pink); font-size: 20px; line-height: 1; }
    details[open] summary::after { content: "−"; }
    details p { margin: 0; padding: 0 34px 18px 0; color: var(--muted); }
    .article-list { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line); }
    .article-list a { padding: 17px 14px 17px 0; color: #e9e0ef; border-bottom: 1px solid var(--line); transition: color .2s ease; }
    .article-list a:hover { color: var(--cyan); }
    .article-list span { display: block; color: var(--muted); font-size: 12px; }
    .contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 38px; align-items: start; }
    .contact-details { color: var(--muted); }
    .contact-details p { margin: 12px 0; }
    .contact-details strong { color: var(--text); }
    .contact-qr { width: 150px; margin-top: 18px; border: 5px solid #fff; }
    .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: #e8deef; font-size: 14px; }
    .field input, .field select, .field textarea {
      width: 100%;
      border: 1px solid var(--line);
      border-radius: 0;
      padding: 12px;
      color: var(--text);
      background: var(--panel);
    }
    .field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--violet); outline-offset: 1px; }
    .field textarea { min-height: 120px; resize: vertical; }
    .form-note { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 12px; }
    .form-submit { grid-column: 1 / -1; width: fit-content; cursor: pointer; }
    .join-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 26px; border: 1px solid var(--line); background: var(--panel); }
    .join-band h3 { margin: 0 0 6px; }
    .join-band p { margin: 0; color: var(--muted); }
    footer { padding: 28px 0; color: #c1b5cc; background: #0c0812; }
    .footer-top { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
    .footer-links { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; }
    .footer-links a { color: #ddd2e6; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 16px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 12px; }
    .float-contact { position: fixed; z-index: 15; right: 18px; bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
    .float-contact a { padding: 11px 14px; border: 1px solid var(--line); background: var(--panel-2); color: var(--text); font-size: 13px; box-shadow: 0 6px 22px rgba(0,0,0,.28); }
    .float-contact a:first-child { background: var(--lime); color: #17101a; border-color: var(--lime); font-weight: 800; }
    .reveal { opacity: 0; transform: translateY(12px); transition: opacity .55s ease, transform .55s ease; }
    .reveal.visible { opacity: 1; transform: translateY(0); }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
      .reveal { opacity: 1; transform: none; }
    }
    @media (max-width: 900px) {
      .menu-toggle { display: inline-flex; align-items: center; }
      .nav { position: relative; }
      .nav-links { display: none; position: absolute; top: 71px; left: 0; right: 0; padding: 10px; align-items: stretch; flex-direction: column; border: 1px solid var(--line); background: #130e1b; }
      .nav-links.open { display: flex; }
      .nav-links a { padding: 11px 12px; }
      .nav-links .nav-cta { margin: 5px 0 0; text-align: center; }
      .service-grid { grid-template-columns: repeat(2, 1fr); }
      .article-list { grid-template-columns: repeat(3, 1fr); }
      .case-grid { grid-template-columns: repeat(2, 1fr); }
      .case:first-child { grid-column: 1 / -1; }
    }
    @media (max-width: 640px) {
      .container { width: min(var(--max), calc(100% - 30px)); }
      .hero-inner { padding-block: 66px 38px; }
      .hero-copy > p { font-size: 16px; }
      .hero-foot { padding-top: 30px; }
      section { padding-block: 56px; }
      .section-head { display: block; }
      .section-head > p { margin-top: 10px; }
      .stats { grid-template-columns: repeat(2, 1fr); }
      .stat { padding: 17px; }
      .intro-grid, .wide-feature, .network, .match, .contact-grid { grid-template-columns: 1fr; gap: 24px; }
      .service-grid, .solution-grid, .quotes { grid-template-columns: 1fr; }
      .steps { grid-template-columns: repeat(2, 1fr); gap: 10px 16px; }
      .feature-list { grid-template-columns: 1fr; }
      .case-grid { grid-template-columns: 1fr; }
      .case:first-child { grid-column: auto; }
      .price-grid { grid-template-columns: 1fr; }
      .article-list { grid-template-columns: 1fr 1fr; }
      .form-grid { grid-template-columns: 1fr; }
      .field.full, .form-note, .form-submit { grid-column: auto; }
      .join-band, .footer-top, .footer-bottom { align-items: flex-start; flex-direction: column; }
      .float-contact { right: 10px; bottom: 10px; }
      .float-contact a { padding: 9px 11px; }
    }