body {
    font-family: 'Noto Sans TC', sans-serif;
    scroll-behavior: smooth;
}
.hero-bg {
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.7)), url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}
/* Custom Prussian Blue Colors */
.text-prussian { color: #003153; }
.bg-prussian { background-color: #003153; }
.bg-prussian-dark { background-color: #002035; }
.bg-prussian-light { background-color: #004d80; }
.border-prussian { border-color: #003153; }
.hover-bg-prussian:hover { background-color: #00233d; }
.hover-text-prussian:hover { color: #003153; }

/* Hide scrollbar for clean modal look */
.no-scroll { overflow: hidden; }

/* Slow bounce animation for LINE button */
@keyframes bounce-gentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}
.animate-bounce-gentle { animation: bounce-gentle 2s infinite; }