* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft JhengHei', 'PingFang TC', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header h1 {
    color: #00B4D8;
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

header p {
    color: #666;
    font-size: 1.2rem;
}

main {
    padding: 60px 0;
}

.bot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.bot-card {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.bot-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.bot-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.bot-card h2 {
    color: #333;
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.bot-card p {
    color: #666;
    margin-bottom: 10px;
}

.bot-desc {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 25px;
    min-height: 48px;
}

.btn-primary {
    display: inline-block;
    background: linear-gradient(135deg, #00B4D8 0%, #0077B6 100%);
    color: white;
    padding: 12px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: opacity 0.3s;
}

.btn-primary:hover {
    opacity: 0.9;
}

footer {
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 0;
    text-align: center;
    margin-top: 60px;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .bot-grid {
        grid-template-columns: 1fr;
    }
}

/* 強制覆蓋 body 背景 */
body {
    min-height: 100vh;
}