/* about.css - Extracted from inline styles - fixed */
:root {
      --red: #E60012; --red-hover: #CC0010; --red-light: rgba(230,0,18,0.08);
      --blue: #003366; --blue-light: #0066cc;
      --nav-bg: #0a1628; --body-bg: #ffffff; --section-bg: #f5f7fa;
      --text-dark: #333333; --text-body: #555555; --text-muted: #888888;
      --border-light: #e5e7eb;
      --card-shadow: 0 2px 12px rgba(0,0,0,0.08);
      --card-shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
      --header-h: 120px;
    }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { background: var(--body-bg); color: var(--text-dark); font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
    ::-webkit-scrollbar { width: 6px; } ::-webkit-scrollbar-track { background: #f0f0f0; } ::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; } ::-webkit-scrollbar-thumb:hover { background: #aaa; }

    /* PAGE BANNER */
    .page-banner { position: relative; height: 40vh; min-height: 320px; overflow: hidden; background: linear-gradient(rgba(10,22,40,0.6), rgba(0,51,102,0.6)), url('../images/banner-about.jpg'); background-size: cover; background-position: center; display: flex; align-items: center; justify-content: center; }
    .page-banner::before { content: ''; position: absolute; inset: 0; background: rgba(10,22,40,0.35); }
    .page-banner::after { content: ''; position: absolute; inset: 0; background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="30" r="1" fill="rgba(255,255,255,0.03)"/><circle cx="60" cy="70" r="1.5" fill="rgba(255,255,255,0.02)"/></svg>') repeat; opacity: 0.5; z-index: 1; }
    .banner-content { position: relative; z-index: 2; text-align: center; padding: 0 32px; padding-top: var(--header-h); }
    .banner-label { display: inline-block; font-size: 14px; font-weight: 600; letter-spacing: 6px; color: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.15); padding: 6px 20px; border-radius: 4px; margin-bottom: 20px; }
    .banner-title { font-size: 44px; font-weight: 800; color: #fff; margin-bottom: 12px; letter-spacing: -0.02em; }
    .banner-subtitle { font-size: 18px; color: rgba(255,255,255,0.6); font-weight: 300; letter-spacing: 4px; }

    /* ABOUT SECTIONS */
    .about-section { padding: 80px 0; }
    .about-inner { max-width: 1440px; margin: 0 auto; padding: 0 32px; }
    .section-number { font-size: 48px; font-weight: 900; color: var(--red); opacity: 0.15; line-height: 1; margin-bottom: 8px; }
    .section-label { font-size: 13px; font-weight: 600; letter-spacing: 3px; color: var(--red); text-transform: uppercase; margin-bottom: 4px; }
    .section-heading { font-size: 28px; font-weight: 800; color: var(--blue); margin-bottom: 40px; }

    /* Company intro */
    .company-section { background: var(--body-bg); }
    .company-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
    .company-text p { font-size: 15px; color: var(--text-body); line-height: 1.8; margin-bottom: 16px; }
    .company-text p strong { color: var(--blue); font-weight: 600; }
    .company-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
    .stat-card { background: var(--section-bg); border-radius: 12px; padding: 28px; text-align: center; }
    .stat-number { font-size: 40px; font-weight: 800; color: var(--red); line-height: 1; margin-bottom: 8px; }
    .stat-label { font-size: 14px; color: var(--text-muted); }

    /* Values */
    .values-section { background: var(--section-bg); }
    .values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .value-card { background: #fff; border-radius: 12px; padding: 36px 24px; box-shadow: var(--card-shadow); text-align: center; transition: all 0.3s; }
    .value-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
    .value-icon { width: 64px; height: 64px; margin: 0 auto 20px; background: var(--red-light); border-radius: 16px; display: flex; align-items: center; justify-content: center; }
    .value-icon svg { width: 32px; height: 32px; color: var(--red); }
    .value-card h4 { font-size: 18px; font-weight: 700; color: var(--blue); margin-bottom: 12px; }
    .value-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

    /* Service highlights */
    .services-highlight-section { background: var(--body-bg); }
    .services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .service-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--card-shadow); transition: all 0.3s; }
    .service-card:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); }
    .service-card-img { width: 100%; height: 180px; overflow: hidden; }
    .service-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s; }
    .service-card:hover .service-card-img img { transform: scale(1.05); }
    .service-card-body { padding: 24px; }
    .service-card-body h4 { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
    .service-card-body p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

    /* Team section */
    .team-section { background: var(--section-bg); }
    .team-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
    .team-image { border-radius: 12px; overflow: hidden; box-shadow: var(--card-shadow); }
    .team-image img { width: 100%; height: auto; display: block; }
    .team-info h3 { font-size: 22px; font-weight: 700; color: var(--blue); margin-bottom: 16px; }
    .team-info p { font-size: 15px; color: var(--text-body); line-height: 1.8; margin-bottom: 24px; }
    .team-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .team-stat { background: #fff; border-radius: 8px; padding: 20px; text-align: center; box-shadow: var(--card-shadow); }
    .team-stat-num { font-size: 32px; font-weight: 800; color: var(--red); }
    .team-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

    /* Honors section */
    .honors-section { background: var(--body-bg); }
    .cert-gallery { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
    .cert-item { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: var(--card-shadow); border: 1px solid var(--border-light); transition: all 0.3s; }
    .cert-item:hover { transform: translateY(-4px); box-shadow: var(--card-shadow-hover); border-color: transparent; }
    .cert-item img { width: 100%; height: 260px; object-fit: cover; display: block; transition: transform 0.5s; }
    .cert-item:hover img { transform: scale(1.03); }
    .cert-label { padding: 16px; font-size: 14px; font-weight: 600; color: var(--blue); text-align: center; background: #fff; }
    @media(max-width:960px) { .cert-gallery { grid-template-columns: repeat(3, 1fr); } }
    @media(max-width:480px) { .cert-gallery { grid-template-columns: repeat(2, 1fr); } }

    /* CTA */
    .cta-section { background: linear-gradient(135deg, #0a1628 0%, #003366 100%); padding: 80px 0; text-align: center; position: relative; overflow: hidden; }
    .cta-section::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle at 30% 50%, rgba(230,0,18,0.1) 0%, transparent 50%); }
    .cta-inner { position: relative; max-width: 600px; margin: 0 auto; padding: 0 32px; }
    .cta-title { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 12px; }
    .cta-desc { font-size: 16px; color: rgba(255,255,255,0.6); margin-bottom: 32px; }
    .btn-cta { display: inline-flex; align-items: center; gap: 8px; padding: 16px 40px; background: var(--red); color: #fff; border: none; border-radius: 6px; font-size: 16px; font-weight: 600; cursor: pointer; text-decoration: none; transition: all 0.3s; box-shadow: 0 4px 20px rgba(230,0,18,0.3); }
    .btn-cta:hover { background: var(--red-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(230,0,18,0.4); }

    /* FOOTER */
    .site-footer { background: #fff; border-top: 1px solid var(--border-light); }
    .footer-main { max-width: 1440px; margin: 0 auto; padding: 48px 32px 36px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 32px; }
    .footer-col-title { font-size: 16px; font-weight: 700; color: var(--blue); margin-bottom: 20px; position: relative; padding-bottom: 10px; }
    .footer-col-title::after { content: ''; position: absolute; bottom: 0; left: 0; width: 24px; height: 2px; background: var(--red); border-radius: 1px; }
    .footer-links { list-style: none; } .footer-links li { margin-bottom: 10px; }
    .footer-links a { font-size: 13px; color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
    .footer-links a:hover { color: var(--red); }
    .footer-friend-links { border-top: 1px solid var(--border-light); }
    .footer-friend-inner { max-width: 1440px; margin: 0 auto; padding: 16px 32px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
    .friend-label { font-size: 12px; color: var(--text-muted); flex-shrink: 0; }
    .friend-links { display: flex; gap: 8px; flex-wrap: wrap; }
    .friend-links a { font-size: 12px; color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
    .friend-links a:hover { color: var(--red); }
    .friend-links a::after { content: '|'; margin-left: 8px; color: #ddd; }
    .friend-links a:last-child::after { display: none; }
    .footer-bottom { border-top: 1px solid var(--border-light); background: var(--section-bg); }
    .footer-bottom-inner { max-width: 1440px; margin: 0 auto; padding: 20px 32px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
    .footer-diagnose { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-body); }
    .footer-diagnose-input { height: 38px; padding: 0 14px; border: 1px solid var(--border-light); border-radius: 6px; background: #fff; font-size: 13px; color: var(--text-dark); outline: none; width: 220px; transition: border-color 0.3s; box-sizing: border-box; }
    .footer-diagnose-input:focus { border-color: var(--red); }
    .footer-diagnose-btn { height: 38px; padding: 0 18px; background: var(--red); color: #fff; border: none; border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer; transition: background 0.3s; white-space: nowrap; }
    .footer-diagnose-btn:hover { background: var(--red-hover); }
    .footer-copyright { font-size: 12px; color: var(--text-muted); }
    .hot-searches { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
    .hot-label { font-size: 12px; color: var(--text-muted); flex-shrink: 0; }
    .hot-tag { padding: 2px 10px; background: #f0f0f0; border-radius: 3px; font-size: 12px; color: var(--text-muted); text-decoration: none; transition: all 0.2s; }
    .hot-tag:hover { background: var(--red-light); color: var(--red); }
    /* RESPONSIVE */
    @media (max-width: 1440px) {
      .company-grid { gap: 40px; }
      .values-grid { grid-template-columns: repeat(2, 1fr); }
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .honors-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-main { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 768px) {
      .banner-title { font-size: 32px; }
      .company-grid { grid-template-columns: 1fr; }
      .team-content { grid-template-columns: 1fr; }
      .footer-main { grid-template-columns: repeat(2, 1fr); }
      .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
    }
    @media (max-width: 480px) {
      .values-grid { grid-template-columns: 1fr; }
      .services-grid { grid-template-columns: 1fr; }
      .honors-grid { grid-template-columns: 1fr; }
      .footer-main { grid-template-columns: 1fr; }
    }

    .animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
    .animate-on-scroll.visible { opacity: 1; transform: translateY(0); }