/* --- 1. 全域變量與基礎設定 --- */
:root {
    --primary: #4285f4;
    --secondary: #34a853;
    --accent: #d93025;
    --warning: #ff9800;
    --dark: #202124;
    --light-bg: #f8f9fa;
    --border: #eeeeee;
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
}

* { box-sizing: border-box; }
body { 
    font-family: 'Segoe UI', "Microsoft JhengHei", sans-serif; 
    line-height: 1.6; margin: 0; color: var(--dark); background: #fff; 
}

/* --- 2. 標準導航欄 (置中放大版) --- */
nav {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    background: #fff;
    padding: 10px 5%;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0; z-index: 1000; height: 85px;
}
.logo-img { height: 70px; width: auto; display: block; transition: 0.3s; }
.btn-deck { 
    background: var(--secondary); color: #fff !important; padding: 10px 22px; 
    border-radius: 50px; text-decoration: none; font-weight: bold; font-size: 14px; 
    transition: 0.3s; justify-self: end;
}
.btn-deck:hover { transform: translateY(-2px); box-shadow: 0 5px 15px rgba(52,168,83,0.3); }

/* --- 3. 通用區塊佈局 --- */
section { padding: 80px 5%; }
.hero { text-align: center; background: linear-gradient(135deg, #f0f7ff 0%, #ffffff 100%); }
.hero h1 { font-size: 2.8rem; color: var(--primary); margin-bottom: 20px; font-weight: 800; }
.hero p { font-size: 1.2rem; max-width: 850px; margin: 0 auto 40px; color: #555; }

/* --- 4. 【WhyChooseUs】專屬樣式 --- */
.feature-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px; max-width: 1200px; margin: 0 auto;
}
.feature-card {
    background: #fff; padding: 40px; border-radius: 20px; text-align: center;
    box-shadow: var(--shadow); border: 1px solid var(--border); transition: 0.3s;
}
.icon-container {
    width: 80px; height: 80px; margin: 0 auto 20px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 2rem;
}
.feature-card:nth-child(1) .icon-container { background: #e8f0fe; color: var(--primary); }
.feature-card:nth-child(2) .icon-container { background: #e6f4ea; color: var(--secondary); }
.feature-card:nth-child(3) .icon-container { background: #fff3e0; color: var(--warning); }

/* --- 5. 【Case 案例頁】專屬樣式 --- */
/*.case-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 25px; }*/

.case-grid {
    display: grid;
    grid-template-columns: 1fr; /* 強制只有一欄 */
    gap: 30px;
    max-width: 800px; /* 限制寬度，避免盒子在電腦版拉得太長太醜 */
    margin: 0 auto;
}

.case-card {
    background: #fff; border-radius: 20px; padding: 35px; border-top: 6px solid var(--primary);
    box-shadow: var(--shadow); transition: 0.3s; display: flex; flex-direction: column;
}
.industry-tag { font-size: 0.9rem; font-weight: bold; margin-bottom: 15px; display: flex; align-items: center; gap: 8px; }
.result-box { margin-top: auto; padding: 18px; border-radius: 12px; font-weight: bold; text-align: center; }

/* 案例顏色標籤 */
.case-wine { border-top-color: var(--primary); }
.case-beauty { border-top-color: var(--secondary); }
.case-appliance { border-top-color: var(--accent); }
.case-baby { border-top-color: var(--warning); }

/* --- 6. 【首頁 index】數據表格與價格 --- */
.comp-table-wrapper { overflow-x: auto; margin: 40px auto; max-width: 1000px; }
.comp-table { width: 100%; border-collapse: collapse; box-shadow: var(--shadow); border-radius: 12px; overflow: hidden; }
.comp-table th, .comp-table td { padding: 20px; border: 1px solid var(--border); text-align: center; }
.highlight-col { background: #e8f0fe; color: var(--primary); font-weight: bold; }

.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; max-width: 1200px; margin: 0 auto; }
.card { background: #fff; padding: 40px; border-radius: 25px; border: 1px solid var(--border); position: relative; text-align: center; }

/* Standard 標準版 - 使用銅/棕色 */
.card.standard { border: 2px solid #b87333; }
/* Professional 專業版 (Featured) - 使用品牌藍色並放大 */
.card.featured { border: 3px solid var(--primary); transform: scale(1.05); }
/* Enterprise 企業版 - 使用高級金色 */
.card.enterprise { border: 2px solid #d4af37; }


.badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; padding: 5px 20px; border-radius: 20px; font-size: 0.8rem; font-weight: bold; }

/* --- 7. 通用組件 (FAQ, Video, Buttons) --- */
.video-container { max-width: 850px; margin: 0 auto; border-radius: 20px; overflow: hidden; box-shadow: 0 25px 50px rgba(0,0,0,0.15); }
.faq-section { max-width: 900px; margin: 0 auto; }
.faq-item { margin-bottom: 25px; background: #fff; padding: 25px; border-radius: 12px; border-bottom: 1px solid var(--border); }
.faq-q { font-weight: bold; color: var(--primary); margin-bottom: 10px; }

.btn { display: inline-block; padding: 15px 40px; background: var(--primary); color: #fff !important; border-radius: 50px; text-decoration: none; font-weight: bold; }
.btn-wa { display: block; width: 100%; padding: 15px; background: #25d366; color: #fff !important; border-radius: 50px; text-decoration: none; font-weight: bold; text-align: center; }
.btn-more { display: inline-block; padding: 15px 40px; background: var(--primary); color: #fff !important; border-radius: 50px; text-decoration: none; font-weight: bold; }
.btn-whatsapp { display: inline-block; padding: 15px 40px; background: var(--primary); color: #fff !important; border-radius: 50px; text-decoration: none; font-weight: bold; }




/* --- 8. 響應式佈局 --- */
@media (max-width: 768px) {
    nav { grid-template-columns: 1fr 1fr; height: auto; padding: 15px 5%; }
    .nav-left { display: none; }
    .logo-img { height: 50px; }
    .hero h1 { font-size: 2rem; }
    .card.featured { transform: none; }
    section { padding: 50px 5%; }
}

/* --- FAQ Section 完整樣式 --- */

.faq-section {
    padding: 80px 5%;
    max-width: 900px; /* 限制寬度讓文字不要太散，更專業 */
    margin: 0 auto;
    background-color: #fff;
}

.faq-section h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.2rem;
    color: var(--dark);
}

.faq-item {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border); /* 每個問題之間有一條淺色線 */
}

.faq-item:last-child {
    border-bottom: none; /* 最後一項不需要線 */
}

.faq-q {
    font-weight: bold;
    font-size: 1.2rem;
    color: var(--primary); /* 問題顏色統一使用品牌藍 */
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
}

.faq-a {
    color: #555;
    line-height: 1.8;
    font-size: 1rem;
    padding-left: 5px;
}

/* 針對 FAQ 內的 Step Box 特別優化 */
.faq-a .step-box {
    margin-top: 15px;
}



/* --- FAQ 五步流程專屬樣式 --- */
.step-box {
    background: #f0f7ff;         /* 淺藍色背景 */
    padding: 25px;               /* 內邊距 */
    border-radius: 12px;         /* 圓角 */
    border-left: 6px solid #4285f4; /* 左側藍色粗線，增加視覺重點 */
    margin: 15px 0;
    line-height: 1.8;            /* 增加行高，更好閱讀 */
    font-size: 0.95rem;
    color: #333;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.05); /* 淡淡的陰影 */
}

.step-box strong {
    color: #4285f4;              /* 標題顏色與品牌統一 */
    font-size: 1.1rem;
    display: block;
    margin-bottom: 10px;
}


/* --- Why Choose Us 頂部標語樣式 --- */
.why-choose-hero {
    text-align: center;
    padding: 80px 5%;
    background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 100%);
    border-bottom: 1px solid #eee;
}

.why-choose-hero h1 {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.why-choose-hero .tagline {
    font-size: 1.4rem;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
}

.why-choose-hero .comparison-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-left: 8px solid var(--secondary); /* 用綠色代表賺錢/增長 */
}

.why-choose-hero .comparison-box p {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
    margin: 0;
}

.why-choose-hero .highlight-text {
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}