:root {
            --sg-red: #EF3340;       /* 新加坡紅 */
            --tw-blue: #002D62;      /* 台灣深海藍 */
            --tech-cyan: #00F2FF;    /* 科技青色 */
            --dark-bg: #0A0F1E;      /* 深色背景 */
            --pure-white: #FFFFFF;
            --line-green: #06C755;   /* LINE 官方綠 */
        }

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

        body {
            background-color: var(--dark-bg);
            color: #FFFFFF;
            font-family: 'Noto Sans TC', sans-serif;
            overflow-x: hidden;
            line-height: 1.6;
            scroll-behavior: smooth;
        }

        /* 科技感背景裝飾 */
        body::before {
            content: "";
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background-image: 
                radial-gradient(circle at 20% 30%, rgba(0, 45, 98, 0.4) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(239, 51, 64, 0.2) 0%, transparent 50%);
            z-index: -1;
        }

        /* 導覽列 - 恢復原始精緻樣式 */
       /* --- 導覽列與懸浮按鈕 (已整合手機版) --- */
        nav {
            background: rgba(10, 15, 30, 0.95);
            backdrop-filter: blur(20px);
            padding: 1rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: sticky;
            top: 0;
            z-index: 1100;
            border-bottom: 2px solid var(--tw-blue);
            box-shadow: 0 4px 20px rgba(0, 242, 255, 0.15);
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .main-logo-img {
            height: 50px;
            filter: drop-shadow(0 0 8px var(--tech-cyan));
        }

        .nav-brand {
            font-family: 'Orbitron', sans-serif;
            font-size: 1.4rem;
            font-weight: 900;
            letter-spacing: 2px;
            color: var(--pure-white);
            text-shadow: 0 0 10px rgba(255,255,255,0.5);
        }

        /* 漢堡按鈕 - 預設隱藏 (電腦版) */
        #menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1200;
        }

        #menu-toggle span {
            display: block;
            width: 28px;
            height: 2px;
            background: var(--pure-white);
            transition: 0.3s;
            box-shadow: 0 0 5px var(--tech-cyan);
        }

        .nav-links {
            list-style: none;
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--pure-white);
            font-weight: 700;
            font-size: 0.95rem;
            transition: 0.3s;
            padding: 8px 15px;
            border-radius: 5px;
            cursor: pointer;
        }

        .nav-links a:hover {
            color: var(--tech-cyan);
            background: rgba(255,255,255,0.05);
            box-shadow: 0 0 15px rgba(0, 242, 255, 0.3);
        }

        /* 懸浮按鈕群組 */
        .floating-group {
            position: fixed;
            right: 0;
            top: 55%;
            transform: translateY(-50%);
            z-index: 2000;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .f-btn {
            writing-mode: vertical-rl;
            padding: 20px 12px;
            font-weight: 700;
            letter-spacing: 2px;
            text-decoration: none;
            font-size: 1.8rem;
            border-radius: 10px 0 0 10px;
            transition: 0.3s all ease;
            text-align: center;
            border: 2px solid transparent;
        }

        .f-red { background: var(--sg-red); color: white; border: 1px solid rgba(255,255,255,0.1); }
        .f-red:hover { background: var(--tw-blue); padding-right: 25px; border-color: var(--tech-cyan); box-shadow: -5px 0 15px var(--tech-cyan); }
        .f-white { background: var(--pure-white); color: var(--tw-blue); border: 2px solid var(--sg-red); }
        .f-white:hover { background: var(--sg-red); color: white; padding-right: 25px; border-color: var(--pure-white); box-shadow: -5px 0 15px rgba(239, 51, 64, 0.5); }
        .f-green { background: var(--line-green); color: white; border: 1px solid rgba(255,255,255,0.1); }
        .f-green:hover { background: #05a045; padding-right: 25px; border-color: #fff; box-shadow: -5px 0 15px var(--line-green); }

        /* --- 手機版 RWD 特殊樣式 (關鍵！) --- */
     /* --- 手機版 RWD 特殊樣式 (修正選單不出現問題) --- */
      @media (max-width: 1024px) {
    #menu-toggle { 
        display: flex; 
    }

            .nav-brand { font-size: 1rem; letter-spacing: 1px; }

           .nav-links {
        position: fixed;
        top: 0;
        right: -100%; /* 初始藏在螢幕右側 */
        width: 70%;
        height: 100vh;
        background: rgba(10, 15, 30, 0.98); /* 背景稍微深一點確保文字清晰 */
        flex-direction: column; 
        justify-content: center;
        align-items: center;
        transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        gap: 30px;
        z-index: 1100; /* 確保在導覽列背景之上 */
        display: flex !important; /* 強制啟動 flex 佈局 */
        border-left: 1px solid var(--tw-blue);
        box-shadow: -5px 0 20px rgba(0,0,0,0.5);
    }

           /* 當 JS 加入 .active 類別時滑入螢幕 */
    .nav-links.active {
        right: 0 !important;
    }

    .nav-links a {
        font-size: 1.2rem; /* 手機版字體稍微加大方便點擊 */
        width: 100%;
        text-align: center;
    }
}
            /* 手機版懸浮按鈕優化 */
            .floating-group {
                top: auto;
                bottom: 0;
                left: 0;
                right: 0;
                transform: none;
                flex-direction: row;
                width: 100%;
                height: 60px;
                background: var(--dark-bg);
                border-top: 1px solid var(--tw-blue);
            }

            .f-btn {
                writing-mode: horizontal-tb;
                width: 20%;
                height: 100%;
                padding: 0;
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 1.4rem;
                border-radius: 0;
                letter-spacing: 0;
            }
        }

        /* 漢堡按鈕動畫輔助類 */
        .rotate-45 { transform: translateY(7px) rotate(45deg); }
        .opacity-0 { opacity: 0; }
        .-rotate-45 { transform: translateY(-7px) rotate(-45deg); }
        /* 主視覺區塊 - LOGO 紋路與文字強化 */
        .hero {
            height: 80vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 0 5%;
        }

        .hero h1 {
            font-family: 'Orbitron', sans-serif;
            font-size: clamp(2rem, 7vw, 4.5rem);
            font-weight: 900;
            background: linear-gradient(135deg, #fff 40%, var(--tw-blue) 70%, var(--sg-red) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            filter: drop-shadow(0 5px 15px rgba(0,0,0,0.5));
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--tech-cyan);
            letter-spacing: 4px;
            margin: 20px 0 40px;
        }

        .hero-img {
            max-width: 600px;
            width: 95%;
            animation: float 4s ease-in-out infinite;
            /* 針對老闆要求：加強邊框對比色、清晰文字、凸顯紋路 */
            filter: 
                brightness(1.1)
                contrast(1.2)
                drop-shadow(0 0 2px rgba(255,255,255,0.8)) /* 白色細邊，凸顯 Global/Games 字體 */
                drop-shadow(0 0 15px var(--tech-cyan))
                drop-shadow(0 0 30px rgba(239, 51, 64, 0.4));
        }

        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
        }

        /* 內容區塊 - 恢復完整內容與排版 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 80px 5%;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-family: 'Orbitron', sans-serif;
            font-size: 2.2rem;
            color: var(--pure-white);
            border-bottom: 3px solid var(--sg-red);
            display: inline-block;
            padding-bottom: 10px;
        }

       /* 確保卡片排版流暢 */
/* 控制 2x2 排版 */
.info-grid {
    display: grid;
    /* 電腦版：固定為兩欄 */
    grid-template-columns: repeat(2, 1fr); 
    gap: 30px;
    padding: 40px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 針對年齡標籤的強化 (加大且使用鮮艷色) */
.age-tag {
    display: inline-block;
    background: #ffec00; /* 使用高對比度的鮮黃色 */
    color: #000;         /* 黑色字體確保可讀性 */
    padding: 6px 16px;
    border-radius: 4px;
    font-size: 1.1rem;   /* 加大字體 */
    font-weight: 900;    /* 極粗體 */
    margin-bottom: 15px;
    text-transform: uppercase;
    box-shadow: 0 0 10px rgba(255, 236, 0, 0.5);
    font-family: 'Noto Sans TC', sans-serif;
}

/* 卡片基礎樣式微調 */
.info-card {
    background: rgba(10, 20, 40, 0.85);
    border: 2px solid var(--spark-blue);
    padding: 30px;
    border-radius: 12px;
    transition: 0.3s ease;
    text-align: left; /* 改回靠左對齊方便閱讀列表 */
}

.info-card:hover {
    border-color: #ff00ff;
    transform: translateY(-5px);
    box-shadow: 0 0 25px rgba(255, 0, 255, 0.3);
}

.info-card h3 {
    font-family: 'Orbitron', sans-serif;
    color: #fff;
    margin: 10px 0;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

/* 手機版自動切換為一欄排版 */
@media (max-width: 850px) {
    .info-grid {
        grid-template-columns: 1fr; 
        padding: 20px;
    }
    
    .age-tag {
        font-size: 1rem;
    }
}

/* 類別標籤樣式 (例如: 6-9 歲) */
.category-tag {
    display: inline-block;
    background: var(--spark-orange);
    color: #000;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 900;
    margin-bottom: 10px;
    font-family: 'Orbitron', sans-serif;
}

.mission-theme {
    color: var(--spark-blue);
    font-weight: bold;
    font-size: 0.9rem;
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(0, 210, 255, 0.3);
    padding-bottom: 5px;
}
        /* 影片展示區塊 */
        .video-section {
            background: rgba(0,0,0,0.2);
            padding: 80px 5%;
        }

        .video-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
            gap: 30px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .video-wrapper {
            position: relative;
            padding-bottom: 56.25%;
            height: 0;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

        .video-wrapper iframe {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            border: none;
        }

        /* 媒體報導區塊 - 恢復破框浮動效果 */
        .media-section {
            padding: 100px 5%;
            background: var(--dark-bg);
        }

        .media-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .media-card {
            display: block;
            text-decoration: none;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 15px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            z-index: 1;
        }

        .media-img-wrapper {
            width: 100%;
            height: 220px;
            overflow: visible; /* 關鍵：恢復破框浮動 */
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .media-img-wrapper img {
            width: 90%;
            height: 90%;
            object-fit: contain;
            opacity: 0.7;
            transition: all 0.5s ease;
        }

        /* 媒體卡片滑動回饋 */
        .media-card:hover {
            z-index: 10;
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--tech-cyan);
            box-shadow: 0 20px 40px rgba(0, 242, 255, 0.2);
        }

        .media-card:hover .media-img-wrapper img {
            opacity: 1;
            transform: scale(1.15) translateY(-15px); /* 破框浮起特效 */
            filter: drop-shadow(0 10px 20px rgba(0,0,0,0.5));
        }

        .media-content { padding: 25px; text-align: center; }
        .media-content h4 { color: #fff; margin-bottom: 5px; font-size: 1.2rem; }
        .media-content p { color: var(--tech-cyan); font-size: 0.9rem; }

        footer {
            padding: 50px 5%;
            text-align: center;
            border-top: 1px solid var(--tw-blue);
            color: rgba(255,255,255,0.4);
        }
        
        /* --- 浮動動畫 --- */
@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-25px); /* 向上漂浮的幅度 */
    }
}
        /* 聯絡區塊基礎設置 */
.contact-section {
    padding: 80px 0;
    text-align: center;
    background: transparent;
}

/* 社群卡片容器 */
.social-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    padding-top: 40px;
}

/* 高科技社群圖框 */
.social-card {
    text-decoration: none;
    color: #fff;
    perspective: 1000px;
    /* 持續漂浮動畫，三個卡片給予不同的延遲時間讓動態更有層次 */
    animation: floatingCard 4s ease-in-out infinite;
}

.social-card:nth-child(2) { animation-delay: 0.5s; }
.social-card:nth-child(3) { animation-delay: 1s; }

.card-inner {
    width: 140px;
    height: 160px;
    background: rgba(15, 15, 25, 0.8);
    border: 2px solid #00ffff; /* 初號機螢光藍邊框 */
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3), inset 0 0 10px rgba(0, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

/* 圖框上方的掃描光束特效 */
.card-inner::after {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: linear-gradient(45deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transition: 0.5s;
}

/* 圖像框 */
.icon-box {
    width: 70px;
    height: 70px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-icon {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.5));
}

/* --- 觸碰動態回饋 (Hover) --- */
.social-card:hover .card-inner {
    transform: translateY(-10px) rotateX(10deg) scale(1.1);
    border-color: #ff00ff; /* 觸碰時變為初號機紫/粉色系 */
    box-shadow: 0 0 30px rgba(255, 0, 255, 0.6), inset 0 0 20px rgba(255, 0, 255, 0.4);
}

.social-card:hover .card-inner::after {
    top: -50%;
    left: -50%;
}

.social-card span {
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* --- 動畫：持續漂浮 --- */
@keyframes floatingCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* 平滑捲動 */
html {
    scroll-behavior: smooth;
}
    
/* --- 前進新加坡專區 --- */
.singapore-section {
    padding: 80px 5%;
    background: linear-gradient(to bottom, var(--dark-bg), rgba(10, 20, 40, 0.95), var(--dark-bg));
    text-align: center;
}

.singapore-section .section-subtitle {
    color: var(--tech-cyan);
    font-size: 1.2rem;
    letter-spacing: 3px;
    margin-bottom: 20px;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
}

.singapore-section .section-intro {
    color: #e0e0e0;
    font-size: 1.1rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto 50px auto;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    letter-spacing: 1px;
}

.singapore-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.singapore-card {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 380px;
    border: 1px solid rgba(0, 242, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    cursor: pointer;
}

.s-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.s-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 20px 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.8) 50%, transparent 100%);
    color: white;
    text-align: left;
    transform: translateY(calc(100% - 70px));
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.s-card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--pure-white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.8);
    border-left: 4px solid var(--tech-cyan);
    padding-left: 10px;
}

.s-card-content p {
    font-size: 0.95rem;
    color: #e0e0e0;
    line-height: 1.6;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.singapore-card:hover .s-card-img {
    transform: scale(1.1);
}

.singapore-card:hover {
    border-color: var(--tech-cyan);
    box-shadow: 0 0 25px rgba(0, 242, 255, 0.4);
}

.singapore-card:hover .s-card-content {
    transform: translateY(0);
}

.singapore-card:hover .s-card-content p {
    opacity: 1;
    transition-delay: 0.1s;
}

/* --- 模組化後的樣式 --- */
.rules-section {
    padding-top: 100px;
    margin-top: -100px;
}

.spark-competition-footer {
    background-color: transparent;
    padding: 40px 20px;
    text-align: center;
    font-family: 'Microsoft JhengHei', sans-serif;
}

.footer-divider {
    border: 0;
    border-top: 1px solid rgba(0, 255, 255, 0.3);
    width: 80%;
    margin-bottom: 30px;
    margin-left: auto;
    margin-right: auto;
}

.footer-subtitle {
    color: #00ffff;
    font-weight: bold;
    margin-bottom: 25px;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.footer-links-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-link {
    text-decoration: none;
    color: #00ffff;
    border: 1px solid #00ffff;
    padding: 10px 22px;
    border-radius: 5px;
    transition: 0.3s;
    font-size: 14px;
    background: rgba(0, 255, 255, 0.05);
    box-shadow: 0 0 8px rgba(0, 255, 255, 0.2);
}

.footer-link:hover {
    background-color: #00ffff;
    color: #000;
    box-shadow: 0 0 20px #00ffff;
}

.footer-copyright {
    font-size: 12px;
    color: rgba(0, 255, 255, 0.5);
    margin-top: 35px;
    letter-spacing: 1px;
}


.rule-btn { display: inline-block; padding: 10px 20px; background: linear-gradient(45deg, var(--tw-blue), var(--sg-red)); color: var(--pure-white); text-decoration: none; font-weight: bold; border-radius: 25px; transition: transform 0.3s, box-shadow 0.3s; text-align: center; border: 1px solid var(--tech-cyan); }
.rule-btn:hover { transform: translateY(-3px); box-shadow: 0 5px 15px rgba(0, 242, 255, 0.4); color: #fff; }
.button-group { display: flex; flex-direction: column; gap: 10px; margin-top: 15px; }
.en-btn { background: linear-gradient(135deg, #555, #333) !important; border-color: #777 !important; }
.en-btn:hover { background: #888 !important; color: #fff !important; }