/* --- 1. 核心設定 --- */
:root {
    --brand-blue: #1736F5;
    --brand-dark: #0b1a7a;
    --accent-yellow: #FFC709;
    --text-dark: #333333;
}

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

body {
    background-color: var(--brand-blue);
    background-image: radial-gradient(circle at 50% 10%, #4c6aff 0%, var(--brand-blue) 40%, var(--brand-dark) 100%);
    font-family: 'PingFang TC', 'Microsoft JhengHei', sans-serif;
    min-height: 100vh;
    padding: 40px 20px 120px 20px;
    display: flex;
    justify-content: center;
    color: #fff;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1100px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* --- 2. 標題區 (透明度 0.8) --- */
.header-card {
    grid-column: span 3;
    background: rgba(255, 255, 255, 1);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 30px;
    padding: 40px;
    text-align: left;
    position: relative;
    /* overflow: hidden; [已移除] 讓圖片可以超出 */
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* [新增] 提高這個卡片的層級，確保裡面的漂浮圖片不會被下方的卡片遮住 */
    z-index: 20; 
}

/* 大標題加粗 */
.header-content h1 { 
    font-family: 'Noto Sans TC', sans-serif;
    font-weight: 900;
    
    font-size: 3rem; 
    margin-bottom: 10px; 
    color: var(--brand-blue); 
    line-height: 1.1;
}

.header-content p { 
    font-size: 1.2rem; 
    color: #333; 
    font-weight: 600;
}

.header-tag {
    background: var(--accent-yellow);
    color: var(--brand-blue);
    font-weight: 900;
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    display: inline-block;
    margin-bottom: 15px;
}

/* 漂浮圖片樣式與動畫 */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.floating-mascot {
    position: absolute;
    right: -80px; 
    top: -60px;  
    width: 350px; 
    height: auto;
    z-index: 10; /* 這個 z-index 是相對於 header-card 的 */
    animation: float 6s ease-in-out infinite;
    pointer-events: none; 
}


/* --- 3. 通用新聞卡片 (透明度 0.5) --- */
.news-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 30px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    background: rgba(255, 255, 255, 1);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

/* 日期標籤 */
.date-badge {
    background: var(--brand-blue);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: bold;
    align-self: flex-start;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.date-badge.new { background: var(--accent-yellow); color: var(--brand-blue); }

/* 新聞標題加粗 */
.news-title {
    font-family: 'Noto Sans TC', sans-serif;
    font-weight: 900;
    
    color: var(--brand-blue); 
    font-size: 1.5rem; 
    margin-bottom: 15px; 
    line-height: 1.4; 
}

.news-desc {
    color: #333;
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1; 
}

/* --- 4. 個別卡片設定 --- */

/* [News 1] 創作者聯盟 (全寬 Hero News) */
.hero-news {
    grid-column: span 3;
    flex-direction: row; 
    align-items: center;
    gap: 40px;
    background: rgba(255, 255, 255, 0.85); 
}

.hero-content { flex: 2; }

.hero-visual {
    flex: 1;
    background: var(--accent-yellow);
    height: 100%;
    min-height: 250px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: var(--brand-blue);
    transform: rotate(3deg);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.highlight-list {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.highlight-item {
    background: rgba(23, 54, 245, 0.1);
    color: var(--brand-blue);
    padding: 8px 15px;
    border-radius: 10px;
    font-weight: bold;
    font-size: 0.9rem;
}

/* [News 2] 優惠活動 (佔2格) */
.promo-card {
    grid-column: span 2;
}
.promo-code-box {
    border: 2px dashed var(--brand-blue);
    padding: 15px;
    border-radius: 15px;
    background: rgba(255,255,255,0.5);
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
/* 優惠期限文字加粗 */
.promo-text { 
    color: var(--brand-blue); 
    font-family: 'Noto Sans TC', sans-serif;
    font-weight: 900;
}

/* [News 3] 合作發布 (佔1格) */
.info-card {
    grid-column: span 1;
}

/* 按鈕樣式 */
.action-btn {
    display: inline-block;
    background: var(--brand-blue);
    color: #fff;
    padding: 10px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
    box-shadow: 0 5px 15px rgba(23, 54, 245, 0.3);
}
.action-btn:hover { background: var(--accent-yellow); color: var(--brand-blue); }

/* --- 導覽列 --- */
.dock-nav {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(20px);
    padding: 15px 30px;
    border-radius: 50px;
    display: flex;
    gap: 20px;
    border: 1px solid rgba(255,255,255,0.4);
    z-index: 100;
}
.dock-nav a { text-decoration: none; color: #fff; font-weight: bold; transition: 0.2s; }
.dock-nav a:hover { color: var(--accent-yellow); transform: translateY(-3px); }

/* RWD */
@media (max-width: 900px) {
    .container { grid-template-columns: 1fr; }
    .header-card, .hero-news, .promo-card, .info-card { 
        grid-column: span 1; 
        overflow: hidden;
    }
    .hero-news { flex-direction: column-reverse; text-align: left; }
    .hero-visual { width: 100%; min-height: 150px; transform: rotate(0); }
    .dock-nav { 
        width: 90%; 
        justify-content: space-between; 
        padding: 12px 20px; 
        gap: 10px;
        bottom: 20px;
    }
    .dock-nav a { font-size: 0.85rem; }
    
    /* 手機版調整漂浮圖片位置 */
    .floating-mascot {
        width: 250px;
        right: -50px;
        top: -30px;
        z-index: -1;
        /* filter: grayscale(90%); */
        filter: blur(1px);
        opacity: 0.5;
    }
}

@media (max-width: 560px) {
    .floating-mascot {
        /* display: none; */
    }
}