/* =========================================
       1. 全域變數與基礎設定
       ========================================= */
    :root {
        --brand-red: #ea2635;      /* 品牌紅 */
        --text-dark: #333333;      /* 深色文字 */
        --text-gray: #666666;      /* 灰色說明文字 */
        --font-main: "微軟正黑體", "Noto Sans TC", sans-serif;
    }

  
    a { text-decoration: none; }

    /* 圖片自適應 */
    .img-fluid {
        max-width: 100%;
        height: auto;
    }
/* 1. Hero Section (主視覺) */
.hero-section {
    background: url('../images/service-title04-photo.png');
    background-size: cover;
    background-position: center;
    /* 改用 min-height 以適應不同內容長度 */
    min-height: 300px; 
    display: flex;
    align-items: center;
    color: white;
    position: relative;
    padding: 40px 0;
}
/* 增加黑色遮罩讓文字更清楚 (可選) */
.hero-section::before {
    content: '';
    position: absolute;
    top:0; left:0; right:0; bottom:0;
    background: rgba(0,0,0,0.3);
    z-index: 1;
}
.hero-text {
    position: relative;
    z-index: 2;
}
.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
}
.hero-text p {
    color: #e72d2d; /* 原本是紅字，但在深色圖上建議白色，或維持 var(--brand-red) 並加文字陰影 */
    font-size: 1.5rem;
    margin-bottom: 10px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.8);
}
    /* =========================================
       2. 共用組件 (標題、按鈕)
       ========================================= */
    
    /* 左側紅線標題 */
    .section-header {
        border-left: 6px solid var(--brand-red);
        padding-left: 15px;
        margin-bottom: 3rem;
    }
    .section-header h2 {
        color: var(--brand-red);
        font-weight: 700;
        margin-bottom: 0.2rem;
        text-transform: capitalize;
        font-size: 2rem;
    }
    .section-header span {
        font-size: 1.2rem;
        font-weight: 700;
        color: #000;
        text-transform: uppercase;
    }

    /* 品牌紅色按鈕 */
    .btn-brand-red {
        background-color: var(--brand-red);
        color: #fff;
        border: none;
        transition: all 0.3s ease;
    }
    .btn-brand-red:hover {
        background-color: #c91e2b;
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 4px 10px rgba(234, 38, 53, 0.3);
    }

   

    :root {
        --brand-red: #ea2635;
        --brand-blue: #4a90e2; /* 預訂系統常用的藍色 */
        --text-dark: #333333;
        --text-gray: #666666;
        --bg-light: #f8f9fa;
        --bg-warm: #fcfbf7; /* LON 區塊的暖色背景 */
    }

    body {
        font-family: 'Noto Sans TC', sans-serif;
        color: var(--text-dark);
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }

    a { text-decoration: none; }
    
    /* --- 通用樣式 --- */
    .text-blue { color: var(--brand-blue); }
    .text-red { color: var(--brand-red); }
    
    /* 標題樣式 (左側紅線) */
    .section-header {
        border-left: 6px solid var(--brand-red);
        padding-left: 15px;
        margin-bottom: 3rem;
    }
    .section-header h2 {
        color: var(--brand-red);
        font-weight: 700;
        margin-bottom: 0.2rem;
        font-size: 2rem;
    }
    .section-header span {
        font-size: 1.2rem;
        font-weight: 700;
        color: #000;
        letter-spacing: 1px;       
        text-transform: uppercase;
    }

    /* 按鈕樣式 */
    .btn-brand-red {
        background-color: var(--brand-red);
        color: white;
        border: none;
        transition: all 0.3s ease;
        font-weight: 500;
    }
    .btn-brand-red:hover {
        background-color: #c01c29;
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 4px 10px rgba(234, 38, 53, 0.3);
    }

    /* --- Section 1: 核心優勢 (地球與泡泡) --- */
    .feature-bubble {
        background: white;
        padding: 15px 20px;
        border-radius: 15px;
        box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        text-align: center;
        margin-bottom: 1rem;
        position: relative;
        transition: transform 0.3s;
    }
    .feature-bubble:hover {
        transform: translateY(-5px);
    }
    .feature-bubble h5 {
        font-size: 0.9rem;
        font-weight: 700;
        color: var(--text-gray);
        margin-bottom: 5px;
    }
    .feature-bubble p {
        font-size: 0.95rem;
        color: var(--brand-blue);
        margin-bottom: 0;
        font-weight: 500;
    }
    .earth-icon {
        max-width: 150px;
        margin: 0 auto;
        display: block;
    }

    /* --- Section 2 & 4: 手機流程步驟 --- */
    .step-card {
        text-align: center;
        margin-bottom: 2rem;
    }
    .step-img-wrapper {
        margin-bottom: 15px;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        /* 模擬手機比例 */
        display: inline-block;
        max-width: 100%;
    }
    .step-img-wrapper img {
        width: 100%;
        height: auto;
        display: block;
    }
    .step-number {
        color: var(--brand-blue);
        font-weight: 700;
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }
    .step-desc {
        font-size: 0.85rem;
        color: var(--text-gray);
        line-height: 1.6;
        padding: 0 10px;
    }

    /* --- Section 3: LON Q&A (暖色背景) --- */
    .lon-section {
        background-color: var(--bg-warm);
        padding: 4rem 0;
    }
    .qa-item {
        margin-bottom: 1.5rem;
    }
    .qa-q {
        font-weight: 700;
        color: var(--brand-blue);
        margin-bottom: 0.5rem;
        display: block;
        font-size: 1.1rem;
    }
    .qa-a {
        color: var(--text-gray);
        font-size: 0.95rem;
        line-height: 1.6;
        padding-left: 1rem;
        border-left: 2px solid #ddd;
    }

    /* --- Section 5: 價格方案 --- */
    .pricing-section {
        background-color: #f4f4f4;
        padding: 4rem 0;
    }
    .price-card {
        text-align: center;
        padding: 1rem;
    }
    /* 價格卡片中間的分隔線 */
    .price-col:not(:last-child) {
        border-right: 1px solid #ddd;
    }
    @media (max-width: 768px) {
        .price-col:not(:last-child) {
            border-right: none;
            border-bottom: 1px solid #ddd;
            padding-bottom: 2rem;
            margin-bottom: 2rem;
        }
    }
    .price-title {
        font-size: 0.9rem;
        font-weight: 700;
        color: var(--text-dark);
        margin-bottom: 0.5rem;
    }
    .price-amount {
        font-size: 2.5rem;
        font-weight: 700;
        color: var(--brand-blue);
        line-height: 1.2;
    }
    .price-unit {
        font-size: 0.9rem;
        color: var(--brand-blue);
    }
    .price-note {
        font-size: 0.8rem;
        color: var(--text-gray);
        margin-top: 0.5rem;
    }

    /* --- CTA Section --- */
    .cta-section {
        position: relative;
        /* 替換為您的底部大圖背景 */
        background: url('https://images.unsplash.com/photo-1556761175-5973dc0f32e7?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') no-repeat center center/cover;
        padding: 6rem 0;
        text-align: center;
        color: white;
    }
    .cta-overlay {
        position: absolute;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0, 0, 0, 0.4); /* 黑色遮罩讓文字清楚 */
        z-index: 1;
    }
    .cta-content {
        position: relative;
        z-index: 2;
    }
    .cta-title {
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 0.5rem;
        text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    }
    .cta-subtitle {
        font-size: 3rem; /* 標題做大一點 */
        font-weight: 700;
        margin-bottom: 2rem;
        text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    }
    
    @media (max-width: 768px) {
        .cta-title { font-size: 1.8rem; }
        .cta-subtitle { font-size: 2rem; }
    }