/* 設定中文字型，避免預設字型難看 */
body {
    font-family: "Microsoft JhengHei", "Heiti TC", sans-serif;
    padding-top: 70px; /* 避免內容被置頂選單遮住 */
}

/* 首圖區 (Hero Section) 樣式 */
.hero-section {
    /* 請將這裡的網址換成您自己的背景圖 */
    background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1605218427339-e97ba1bd8409?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
    min-height: 80vh; /* 佔據螢幕高度的 80% */
}

/* 服務卡片滑鼠經過效果 */
.service-card {
    transition: transform 0.3s ease;
}
.service-card:hover {
    transform: translateY(-10px);
}

/* 右下角懸浮 Line 按鈕 */
.float-line-btn {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #00c300; /* Line 的綠色 */
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 35px;
    text-decoration: none;
    transition: all 0.3s;
}

.float-line-btn:hover {
    background-color: #00a500;
    color: white;
    transform: scale(1.1);
}

/* 手機版調整 */
@media (max-width: 768px) {
    .hero-section {
        min-height: 60vh;
    }
    .float-line-btn {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
        font-size: 28px;
    }
}