/* 全域設定 & 電腦版兩邊留黑機制 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft JhengHei", sans-serif;
        }

        body {
            background-color: #121212; /* 電腦版外層背景（黑色） */
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            color: #333333;
            overflow: hidden; /* 防止外層瀏覽器出現雙滾動條 */
        }

        /* 手機直式容器 - 磁吸滾動核心設定 */
        .phone-container {
            width: 100%;
            max-width: 480px; 
            height: 100vh;
            background-color: #ffffff; /* 網頁主體背景 */
            overflow-y: auto;
            scroll-behavior: smooth;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.8);
            position: relative;

            /* 啟動精準的一頁頁吸附滑動風格 */
            scroll-snap-type: y mandatory; 
            -webkit-overflow-scrolling: touch; /* 優化 iOS 滑動流暢度 */
        }

        /* 隱藏滾動條但保留滾動功能 */
        .phone-container::-webkit-scrollbar {
            display: none;
        }

        /* --- 頂部導覽列樣式（改為固定且透明，讓背景圖置頂穿透） --- */
        nav#top {
            position: sticky; /* 維持固定在頂部 */
            top: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background-color: rgba(255, 255, 255, 0.1); /* 微透，或可改為 transparent 完全透明 */
            backdrop-filter: blur(3px); /* 增加輕微毛玻璃質感，滾動到非白底區時較美觀 */
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 20px;
            z-index: 100;
            margin-bottom: -60px; /* 關鍵：利用負外距讓第一頁向上完全貼齊最頂端 */
        }
        .nav-logo img {
            max-height: 40px;
            object-fit: contain;
            display: block;
        }
        
        /* 漢堡選單圖示（修改為黑色） */
        .menu-toggle {
            display: block;
            font-size: 24px;
            cursor: pointer;
            color: #222222; /* 改回黑色 */
        }

        /* 下拉選單連結外框（維持白底黑字） */
        .nav-links {
            display: none; 
            position: absolute;
            top: 60px; 
            right: 20px;
            background: #ffffff;
            width: 150px;
            flex-direction: column;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            border: 1px solid #eee;
            z-index: 99;
            list-style: none;
        }
        .nav-links.active {
            display: flex;
        }
        .nav-links li {
            margin: 10px 0;
        }
        .nav-links a {
            text-decoration: none;
            color: #333333;
            font-size: 14px;
            font-weight: 600;
            transition: color 0.2s;
        }
        .nav-links a:hover {
            color: #00bcd4;
        }

        /* 區塊通用樣式 */
        section {
            padding: 80px 24px 80px 24px; 
            height: 100vh; /* 嚴格限制一頁為一個螢幕高度 */
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            background-size: cover;
            background-position: center top;
            background-repeat: no-repeat;
            
            /* 讓每一頁在捲動時強制精準對齊頂部 */
            scroll-snap-align: start;
            scroll-snap-stop: always; 
        }

        /* --- 第一頁樣式（完全貼齊最頂端） --- */
        .hero-section {
            /* 60% 的半透明黑色遮罩與背景圖寫在一起 */
            background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../image/page_1a.jpeg'); 
            background-size: 100% 66vh; /* 背景圖與遮罩高度限制為 66% */
            background-color: #ffffff;  /* 其餘 34% 呈現白底 */
            background-repeat: no-repeat;
            position: relative;
            z-index: 1;
            color: #333333;
            justify-content: center; /* 將內容往下方白底區域推 */
            padding-top: 100px; /* 預留 60px 給導覽列空間，避免內容與 Logo 疊在一起 */
            padding-bottom: 30px;
            margin-top: 80px;
        }

        /* 頭像位置調整：確保在 intro-text 正上方 */
        .avatar-img {
            width: 100px;
            height: 100px;
            border-radius: 60%;
            object-fit: cover;
            border: 3px solid #ffffff;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
            margin-top: 200px;
            margin-bottom: 5px; 
            z-index: 2;
        }

        /* Intro-text 修改：加框線、白底黑字 */
        .intro-text {
            font-size: 14px;
            line-height: 1.6;
            color: #333333;
            background-color: #ffffff;
            border: 1px solid #333333;
            padding: 10px;
            border-radius: 15px;
            margin-bottom: 10px;
            width: 100%;
            max-width: 340px;
            font-weight: 500;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            text-align: center;
        }

        /* 名字兩倍大字體樣式 */
        .intro-name {
            font-size: 28px;
            font-weight: 700;
            color: #111111;
            display: block;
            margin-bottom: 4px;
        }

        /* 職稱樣式 */
        .intro-title {
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 1px;
            color: #666666;
            display: block;
            padding-bottom: 5px;
            margin-bottom: 5px;
        }
        
        /* 連結按鈕清單外容器 */
        .links-container {
            width: 100%;
            max-width: 340px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 2;
        }

        /* 同排按鈕群組共通樣式 */
        .links-row {
            display: flex;
            width: 100%;
            gap: 10px;
        }

        /* 按鈕基礎設定 */
        .link-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.2s ease;
            border: 1px solid #e0e0e0;
        }
        .link-btn:hover {
            transform: translateY(-2px);
            opacity: 0.9;
        }

        /* 上下排列的三欄按鈕樣式 */
        .row-three .link-btn {
            flex: 1;
            flex-direction: column;
            gap: 6px;
            padding: 12px 4px;
            border-radius: 16px;
            font-size: 11px;
        }
        .row-three .link-btn i {
            font-size: 20px;
        }

        /* 左右排列的兩欄按鈕樣式 */
        .row-two .link-btn {
            flex: 1;
            flex-direction: row;
            gap: 8px;
            padding: 14px;
            border-radius: 30px;
            font-size: 14px;
        }

        /* 按鈕顏色主題設定 */
        .btn-instagram, .btn-youtube, .btn-web { 
            background-color: #222222; 
            color: #ffffff; 
            border-color: #222222; 
        }
        .btn-line, .btn-email { 
            background-color: #ffffff; 
            color: #333333; 
            border-color: #cccccc; 
        }

        /* --- 第二頁樣式 --- */
        .promo-section {
            background-color: #111111;
            color: #ffffff;
        }
        .promo-section h2 {
            font-size: 26px;
            margin-bottom: 15px;
            letter-spacing: 2px;
        }
        .promo-section p {
            font-size: 16px;
            color: #aaa;
            margin-bottom: 30px;
        }
        .hashtag {
            font-size: 15px;
            color: #00bcd4;
            font-weight: 600;
        }

        /* --- 第三頁樣式 --- */
        .story-section {
            background-color: #ffffff;
            padding: 80px 24px 24px 24px;
        }
        .story-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #111;
        }
        .story-img {
            width: 100%;
            max-height: 70vh;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }

        /* --- 第四頁樣式 --- */
        .cta-section {
            background: linear-gradient(180deg, #fdfdfd 0%, #f5f7fa 100%);
        }
        .cta-img {
            width: 100%;
            max-height: 220px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 25px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .cta-section h2 {
            font-size: 20px;
            color: #444;
            margin-bottom: 10px;
        }
        .cta-button {
            display: block;
            width: 100%;
            max-width: 280px;
            background-color: #000000;
            color: #ffffff;
            font-size: 18px;
            font-weight: bold;
            padding: 18px;
            border-radius: 50px;
            text-decoration: none;
            margin: 20px 0;
            box-shadow: 0 4px 15px rgba(0,0,0,0.25);
            transition: all 0.2s ease;
            letter-spacing: 1px;
        }
        .cta-button:hover {
            transform: scale(1.03);
            background-color: #222;
        }