/* service-visual-engine.css - Extracted from inline styles */
:root { --nav-bg: #0a1628; --heading: #003366; --accent: #E60012; --accent-hover: #cc0010; --bg-white: #ffffff; --bg-light: #f5f7fa; --text-dark: #1a2332; --text-gray: #5a6a7e; --text-light-gray: #8a96a8; --border-light: #e8ecf1; --header-h: 120px; --font-body: 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif; }
    * { margin: 0; padding: 0; box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { background: var(--bg-white); color: var(--text-dark); font-family: var(--font-body); overflow-x: hidden; -webkit-font-smoothing: antialiased; }
    ::-webkit-scrollbar { width: 6px; } ::-webkit-scrollbar-track { background: var(--bg-light); } ::-webkit-scrollbar-thumb { background: rgba(0,51,102,0.15); border-radius: 3px; }
    .reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
    .reveal.active { opacity: 1; transform: translateY(0); }
    .reveal-delay-1 { transition-delay: 0.1s; } .reveal-delay-2 { transition-delay: 0.2s; } .reveal-delay-3 { transition-delay: 0.3s; } .reveal-delay-4 { transition-delay: 0.4s; }
    .site-nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--header-h); background: var(--nav-bg); box-shadow: 0 2px 20px rgba(0,0,0,0.15); }
    .nav-inner { max-width: 1440px; margin: 0 auto; height: 100%; display: flex; align-items: center; justify-content: space-between; padding: 0 32px; }
    .nav-logo { font-size: 20px; font-weight: 800; color: #fff; text-decoration: none; } .nav-logo span { color: var(--accent); }
     
      
    .nav-right { display: flex; align-items: center; gap: 16px; } .nav-phone { font-size: 13px; color: rgba(255,255,255,0.5); }
    .btn-red { display: inline-flex; align-items: center; gap: 6px; padding: 9px 22px; font-size: 13px; font-weight: 600; color: #fff; background: var(--accent); border: none; border-radius: 100px; cursor: pointer; text-decoration: none; transition: all 0.25s; }
    .btn-red:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(230,0,18,0.3); }

    .hero { position: relative; overflow: hidden; min-height: 520px; display: flex; align-items: center; }
    .hero-bg { position: absolute; inset: 0; background: url('../images/hero-visual-engine.jpg') center/cover no-repeat; }
    .hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,22,40,0.5) 0%, rgba(10,22,40,0.25) 50%, rgba(10,22,40,0.4) 100%); }
    .hero-inner { position: relative; z-index: 2; max-width: 1440px; margin: 0 auto; padding: 120px 32px 80px; }
    .hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; background: rgba(230,0,18,0.15); border: 1px solid rgba(230,0,18,0.3); border-radius: 100px; font-size: 12px; font-weight: 600; color: #ff4d5a; margin-bottom: 20px; }
    .hero h1 { font-size: clamp(30px, 4vw, 48px); font-weight: 900; color: #fff; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 6px; }
    .hero h1 span { background: linear-gradient(135deg, #fff 30%, rgba(230,0,18,0.8) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .hero-sub-en { font-size: 12px; color: rgba(255,255,255,0.3); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 16px; }
    .hero-desc { font-size: 16px; color: rgba(255,255,255,0.6); line-height: 1.7; max-width: 560px; margin-bottom: 32px; }
    .hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }

    .section-wrap { padding: 80px 32px; } .section-wrap--alt { background: var(--bg-light); } .section-inner { max-width: 1440px; margin: 0 auto; }
    .section-title { font-size: 28px; font-weight: 800; color: var(--heading); margin-bottom: 8px; } .section-title .accent { color: var(--accent); }
    .section-subtitle { font-size: 15px; color: var(--text-gray); line-height: 1.7; max-width: 600px; margin-bottom: 40px; }

    /* Full width image showcase */
    .showcase-full { width: 100%; border-radius: 20px; overflow: hidden; box-shadow: 0 16px 48px rgba(0,0,0,0.1); position: relative; }
    .showcase-full img { width: 100%; height: 400px; object-fit: cover; display: block; }
    .showcase-overlay { position: absolute; inset: 0; background: linear-gradient(transparent 40%, rgba(0,0,0,0.5) 100%); display: flex; align-items: flex-end; padding: 32px; }
    .showcase-overlay-text h3 { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 8px; }
    .showcase-overlay-text p { font-size: 14px; color: rgba(255,255,255,0.75); max-width: 400px; }

    /* 2x2 Tech Grid */
    .tech-grid-2x2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    @media (max-width: 768px) { .tech-grid-2x2 { grid-template-columns: 1fr; } }
    .tech-card { background: #fff; border-radius: 16px; overflow: hidden; border: 1px solid var(--border-light); transition: all 0.3s; }
    .tech-card:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(0,0,0,0.08); }
    .tech-card-img { height: 180px; overflow: hidden; position: relative; }
    .tech-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
    .tech-card:hover .tech-card-img img { transform: scale(1.05); }
    .tech-card-img-tag { position: absolute; top: 16px; left: 16px; padding: 4px 12px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 600; border-radius: 100px; }
    .tech-card-body { padding: 24px; }
    .tech-card-body h4 { font-size: 18px; font-weight: 700; color: var(--heading); margin-bottom: 8px; }
    .tech-card-body p { font-size: 13px; color: var(--text-gray); line-height: 1.7; }

    /* Tech Specs Horizontal Bar */
    .specs-bar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
    @media (max-width: 768px) { .specs-bar { grid-template-columns: 1fr 1fr; } }
    .spec-item { text-align: center; padding: 32px 20px; border-radius: 16px; background: #fff; border: 1px solid var(--border-light); transition: all 0.3s; position: relative; }
    .spec-item:hover { border-color: rgba(230,0,18,0.15); box-shadow: 0 8px 28px rgba(0,0,0,0.06); }
    .spec-item::before { content: ''; position: absolute; bottom: 0; left: 20%; right: 20%; height: 3px; background: linear-gradient(90deg, transparent, var(--accent), transparent); opacity: 0; transition: opacity 0.3s; }
    .spec-item:hover::before { opacity: 1; }
    .spec-val { font-size: 32px; font-weight: 900; color: var(--accent); margin-bottom: 8px; }
    .spec-label { font-size: 13px; color: var(--heading); font-weight: 600; margin-bottom: 4px; }
    .spec-desc { font-size: 12px; color: var(--text-light-gray); }

    /* Alternating Image-Text Sections */
    .alt-section { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-bottom: 64px; }
    @media (max-width: 768px) { .alt-section { grid-template-columns: 1fr; } }
    .alt-section:last-child { margin-bottom: 0; }
    .alt-section--reverse { direction: rtl; }
    .alt-section--reverse > * { direction: ltr; }
    .alt-img { border-radius: 16px; overflow: hidden; box-shadow: 0 12px 40px rgba(0,0,0,0.08); }
    .alt-img img { width: 100%; height: 280px; object-fit: cover; display: block; }
    .alt-tag { display: inline-flex; padding: 4px 14px; background: rgba(230,0,18,0.06); color: var(--accent); font-size: 11px; font-weight: 600; border-radius: 100px; margin-bottom: 12px; }
    .alt-text h4 { font-size: 22px; font-weight: 800; color: var(--heading); margin-bottom: 12px; }
    .alt-text p { font-size: 14px; color: var(--text-gray); line-height: 1.8; margin-bottom: 16px; }
    .alt-stats { display: flex; gap: 24px; }
    .alt-stat-val { font-size: 22px; font-weight: 800; color: var(--accent); }
    .alt-stat-label { font-size: 12px; color: var(--text-light-gray); }

    .cta-dark { background: var(--nav-bg); position: relative; overflow: hidden; }
    .cta-dark::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(230,0,18,0.08) 0%, transparent 50%); }
    .cta-inner { position: relative; z-index: 2; max-width: 1440px; margin: 0 auto; padding: 80px 32px; text-align: center; }
    .cta-dark h2 { font-size: clamp(24px, 3vw, 38px); font-weight: 800; color: #fff; margin-bottom: 12px; }
    .cta-dark h2 span { color: #ff4d5a; }
    .cta-dark p { font-size: 15px; color: rgba(255,255,255,0.5); max-width: 480px; margin: 0 auto 32px; line-height: 1.7; }
    .cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; align-items: center; }
    .site-footer { background: #fff; border-top: 1px solid var(--border-light); }
    .footer-inner { max-width: 1440px; margin: 0 auto; padding: 64px 32px 32px; }
    .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1fr; gap: 40px; }
    @media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } } @media (max-width: 600px) { .footer-grid { grid-template-columns: 1fr; } }
    .footer-brand { font-size: 20px; font-weight: 800; color: var(--heading); margin-bottom: 12px; } .footer-brand span { color: var(--accent); }
    .footer-brand-desc { font-size: 13px; color: var(--text-gray); line-height: 1.8; max-width: 240px; }
    .footer-col-title { font-size: 14px; font-weight: 700; color: var(--heading); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--accent); display: inline-block; }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; } .footer-links a { font-size: 13px; color: var(--text-gray); text-decoration: none; transition: color 0.2s; } .footer-links a:hover { color: var(--accent); }
    .footer-bottom { max-width: 1440px; margin: 0 auto; padding: 20px 32px; border-top: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
    .footer-copy { font-size: 12px; color: var(--text-light-gray); } .footer-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-light-gray); } .footer-meta a { color: var(--text-light-gray); text-decoration: none; } .footer-meta a:hover { color: var(--accent); }