/* Base Typography */
body {
    font-family: 'Inter', sans-serif;
    color: #333333;
    background-color: #FAFAFA;
}
body.text-zh {
    font-family: 'Noto Sans SC', sans-serif;
}

/* Brand Colors */
:root {
    --primary-color: #6320EE;
    --secondary-color: #00D4FF;
    --accent-gold: #FFD700;
}

/* Custom Utilities */
.bg-primary-custom {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}
.text-primary-custom {
    color: var(--primary-color);
}

/* Buttons */
.btn-gold {
    background-color: var(--accent-gold);
    color: #000;
    font-weight: 700;
    border: none;
    transition: all 0.3s ease;
}
.btn-gold:hover {
    background-color: #e5c100;
    transform: translateY(-2px);
}

/* Hero & Cards */
.hero-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
}
.plan-card {
    border: 1px solid #eee;
    border-radius: 12px;
    background: #fff;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.plan-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(99, 32, 238, 0.15);
    border-color: var(--primary-color);
}