/* 基礎設定 */
:root {
    --bg-color: #0b0d11;
    --card-bg: rgba(255, 255, 255, 0.05);
    --accent-color: #a0c4ff;
    --text-color: #e0e0e0;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: "Helvetica Neue", Arial, sans-serif;
    overflow-x: hidden;
}

/* 彌散光背景效果 */
.blob {
    position: fixed;
    top: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(160, 196, 255, 0.2) 0%, rgba(255, 173, 173, 0.1) 100%);
    filter: blur(80px);
    z-index: -1;
    border-radius: 50%;
}

/* 導覽列：毛玻璃效果 */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(11, 13, 17, 0.7);
    backdrop-filter: blur(15px); /* 毛玻璃 */
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li { margin-left: 30px; }

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 0.9rem;
    letter-spacing: 1px;
    transition: 0.3s;
}

nav a:hover { color: var(--accent-color); }

/* 標題區 */
header {
    text-align: center;
    padding: 100px 20px;
}

header h1 {
    font-size: 3rem;
    font-weight: 200;
    letter-spacing: 5px;
    margin-bottom: 10px;
}

/* 作品展示網格 */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 0 5% 100px;
}

.card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.4s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.card:hover {
    transform: translateY(-10px);
}

.card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.9);
    transition: 0.4s;
}

.card:hover img {
    filter: brightness(1.1);
}

/* 頁尾 */
footer {
    padding: 80px 5%;
    background: rgba(255, 255, 255, 0.02);
    text-align: center;
}
/* 1. 背景動態漸變 - 像雲霧一樣流動 */
body {
    margin: 0;
    background: linear-gradient(-45deg, #0f0c29, #302b63, #24243e, #0f0c29);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: white;
    font-family: sans-serif;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 金色磨砂玻璃方塊 - 初始狀態 (黃色邊框散光) */
.price-card {
    background: rgba(255, 223, 128, 0.03) !important; /* 極透明的淡金底 */
    backdrop-filter: blur(15px) saturate(180%);
    
    /* 改成淡淡的金色邊框 */
    border: 1px solid rgba(212, 175, 55, 0.3) !important; 
    border-radius: 20px;
    padding: 25px;
    width: 220px;
    text-align: center;
    transition: all 0.4s ease;
    
    /* 平時就有淡淡的黃色擴散光暈 */
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.15) !important; 
}

/* 懸停時的狀態：金色邊框與光暈變亮、浮起 */
.price-card:hover {
    transform: translateY(-12px);
    background: rgba(255, 223, 128, 0.08) !important;
    
    /* 懸停時邊框變亮金 */
    border-color: rgba(212, 175, 55, 0.8) !important; 
    
    /* 強力金色擴散光暈 (這就是你想要的閃亮感) */
    box-shadow: 0 15px 45px rgba(255, 215, 0, 0.3) !important; 
}