* { margin: 0; padding: 0; box-sizing: border-box; }
        :root { --primary: #003366; --secondary: #FF6600; --dark: #1a1a2e; --light: #f5f5f5; --white: #ffffff; --gray: #666666; }
        body { font-family: 'Roboto', sans-serif; line-height: 1.6; color: var(--dark); background: var(--white); }
        header { background: var(--white); box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: fixed; width: 100%; top: 0; z-index: 1000; }
        .header-container { max-width: 1400px; margin: 0 auto; padding: 0 20px; display: flex; justify-content: space-between; align-items: center; height: 80px; }
        .logo { font-size: 24px; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 10px; text-decoration: none; }
        .logo-icon { font-size: 32px; }
        nav { display: flex; align-items: center; gap: 30px; }
        .nav-links { display: flex; list-style: none; gap: 25px; }
        .nav-links a { text-decoration: none; color: var(--dark); font-weight: 500; transition: all 0.3s ease; }
        .nav-links a:hover { color: var(--secondary); }
        .breadcrumb { margin-top: 80px; background: var(--light); padding: 20px; text-align: center; }
        .breadcrumb a { color: var(--gray); text-decoration: none; }
        .breadcrumb a:hover { color: var(--secondary); }
        .hero-section { position: relative; overflow: hidden; color: var(--white); text-align: center; background: var(--dark); }
        .hero-bg-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
        .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0,51,102,0.85) 0%, rgba(26,26,46,0.9) 100%); z-index: 1; }
        .hero-content { position: relative; z-index: 2; padding: 80px 20px 60px; max-width: 1100px; margin: 0 auto; display: flex; flex-direction: column; align-items: center; }
        .hero-content h1 { font-size: 48px; font-weight: 800; margin-bottom: 14px; letter-spacing: -0.5px; }
        .hero-content .hero-sub { font-size: 20px; opacity: 0.9; margin-bottom: 40px; max-width: 700px; line-height: 1.6; }
        .hero-stats { display: flex; gap: 0; margin-bottom: 40px; flex-wrap: wrap; justify-content: center; }
        .hero-stat { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); border-radius: 12px; padding: 22px 32px; text-align: center; min-width: 180px; backdrop-filter: blur(8px); }
        .hero-stat-icon { font-size: 28px; margin-bottom: 8px; display: block; }
        .hero-stat-value { font-size: 26px; font-weight: 800; color: #fff; display: block; }
        .hero-stat-label { font-size: 12px; color: rgba(255,255,255,0.65); letter-spacing: 0.5px; margin-top: 4px; text-transform: uppercase; }
        .hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
        .btn { padding: 14px 32px; font-size: 15px; font-weight: 600; border-radius: 6px; cursor: pointer; transition: all 0.3s; text-decoration: none; display: inline-block; }
        .btn-primary { background: #FF6600; color: #fff; border: none; }
        .btn-primary:hover { background: #e55a00; transform: translateY(-2px); }
        .btn-outline-white { border: 2px solid rgba(255,255,255,0.6); color: #fff; background: transparent; }
        .btn-outline-white:hover { border-color: #fff; background: rgba(255,255,255,0.1); }
        .hero-content { max-width: 900px; margin: 0 auto; }
        .hero-content h1 { font-size: 48px; margin-bottom: 20px; }
        .hero-content p { font-size: 20px; opacity: 0.9; margin-bottom: 30px; }
        .hero-icon { font-size: 100px; margin-bottom: 30px; }
        .btn { padding: 15px 35px; font-size: 16px; font-weight: 500; border-radius: 5px; cursor: pointer; transition: all 0.3s ease; text-decoration: none; display: inline-block; }
        .btn-primary { background: var(--secondary); color: var(--white); border: none; }
        .btn-primary:hover { background: #e55a00; transform: translateY(-2px); }
        .products-section { padding: 100px 20px; background: var(--light); }
        .section-title { text-align: center; margin-bottom: 60px; }
        .section-title h2 { font-size: 36px; color: var(--primary); margin-bottom: 15px; }
        .products-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
        .product-card { background: var(--white); border-radius: 15px; overflow: hidden; box-shadow: 0 5px 20px rgba(0,0,0,0.08); transition: all 0.3s ease; }
        .product-card:hover { transform: translateY(-10px); box-shadow: 0 15px 40px rgba(0,0,0,0.15); }
        .product-image { height: 180px; display: flex; align-items: center; justify-content: center; font-size: 70px; background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%); }
        .product-info { padding: 25px; }
        .product-info h3 { color: var(--primary); font-size: 20px; margin-bottom: 10px; }
        .product-info p { color: var(--gray); font-size: 14px; margin-bottom: 15px; }
        .feature-list { list-style: none; margin-bottom: 15px; }
        .feature-list li { padding: 5px 0; font-size: 13px; border-bottom: 1px solid #eee; }
        .feature-list li::before { content: "鉁?"; color: var(--secondary); font-weight: bold; }
        footer { background: var(--dark); color: var(--white); padding: 60px 20px 30px; }
        .footer-content { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 40px; }
        .footer-section h4 { font-size: 18px; margin-bottom: 20px; color: var(--secondary); }
        .footer-section ul { list-style: none; }
        .footer-section ul li { margin-bottom: 10px; }
        .footer-section ul li a { color: rgba(255,255,255,0.7); text-decoration: none; }
        .footer-bottom { max-width: 1200px; margin: 40px auto 0; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; font-size: 14px; color: rgba(255,255,255,0.5); }
        @media (max-width: 768px) { .hero-content h1 { font-size: 32px; } .nav-links { display: none; } }
        .lang-switch { display: flex; gap: 10px; font-size: 14px; }
        .lang-switch button { padding: 8px 15px; border: 1px solid var(--primary); background: transparent; color: var(--primary); cursor: pointer; border-radius: 4px; }
        .lang-switch button:hover { background: var(--primary); color: #fff; }
/* Language Switcher */
.nav-lang-item {
    pointer-events: auto;
    padding: 5px 10px;
    font-size: 0.78em;
    font-weight: 600;
    color: #888;
    text-decoration: none;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 4px;
    transition: all 0.2s;
    margin-left: 4px;
}
.nav-lang-item:hover {
    color: #fff;
    border-color: rgba(255,255,255,0.4);
    background: rgba(255,255,255,0.08);
}
.nav-lang-item.active {
    color: #C9A84C;
    border-color: #C9A84C;
    background: rgba(201,168,76,0.12);
}
.nav-lang {
    display: inline-flex;
    gap: 4px;
    align-items: center;
}