/* --- 基础全局样式 --- */
body { margin: 0; padding: 0; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: #fff; color: #333; line-height: 1.6; }
a { text-decoration: none; color: inherit; transition: 0.3s; }

/* --- 导航栏 --- */
header { display: flex; justify-content: space-between; align-items: center; padding: 20px 40px; border-bottom: 1px solid #f0f0f0; position: sticky; top: 0; background: rgba(255,255,255,0.95); backdrop-filter: blur(5px); z-index: 1000; }
.logo { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.5px; }
.logo span { font-weight: 300; color: #666; font-size: 1rem; margin-left: 8px; }
nav ul { list-style: none; display: flex; gap: 30px; margin: 0; padding: 0; }
nav a { font-size: 0.95rem; font-weight: 500; color: #555; position: relative; }
nav a:hover, nav a.active { color: #000; }
nav a.active { font-weight: 700; }
nav a.active::after { content: ''; display: block; width: 100%; height: 2px; background: #333; position: absolute; bottom: -5px; left: 0; }

/* --- 页面主体 --- */
.container { max-width: 1200px; margin: 0 auto; padding: 40px 20px; }
.hero { text-align: center; padding: 60px 20px 40px; }
.avatar { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; margin-bottom: 20px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.hero h1 { font-size: 2.2rem; margin-bottom: 10px; font-weight: 300; }
.hero p { max-width: 600px; margin: 0 auto; color: #666; }

/* --- 画廊网格 --- */
.gallery-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 40px; margin-top: 40px; }

/* --- 🔥 关键修正：确保图片容器是红点的定位基准 --- */
.art-card a {
    display: block;
    position: relative; /* 这句话让红点知道它应该待在图片里，而不是飞到页面角落 */
}

.art-card img { width: 100%; height: auto; display: block; border-radius: 2px; transition: transform 0.2s; background: #f9f9f9; aspect-ratio: 1/1; object-fit: cover; }
.art-card:hover img { transform: translateY(-4px); box-shadow: 0 10px 20px rgba(0,0,0,0.08); }

.art-info { margin-top: 12px; text-align: center;}
.art-title { font-weight: 600; display: block; font-size: 1.05rem; }
.art-meta { font-size: 0.85rem; color: #888; }
footer { text-align: center; padding: 60px 20px; color: #999; font-size: 0.8rem; margin-top: 60px; border-top: 1px solid #f9f9f9; }

/* --- 移动端适配 --- */
@media (max-width: 768px) {
    header { 
        flex-direction: column; /* 垂直排列 */
        justify-content: center; 
        gap: 15px;
        padding: 15px;
    }
    .logo { 
        margin-bottom: 0; /* flex gap 已经处理了间距 */
    }
    nav ul { gap: 15px; font-size: 0.9rem; }
    .gallery-grid { gap: 20px; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}

/* --- CSS 文件最末尾 --- */

/* 1. 图片上的红色 SOLD 文字 */
.sold-overlay-text {
    position: absolute;
    bottom: 8px;
    right: 12px;
    color: #e74c3c; /* 鲜艳的红色 */
    font-weight: 700; /* 加粗 */
    font-size: 1rem;
    letter-spacing: 1px;
    z-index: 10;
    pointer-events: none; /* 让点击穿透 */
    /* 加一点白色描边/阴影，防止背景太花看不清 */
    text-shadow: 
        -1px -1px 0 #fff,  
         1px -1px 0 #fff,
        -1px  1px 0 #fff,
         1px  1px 0 #fff;
}

/* 2. 标题旁边的小红点 */
.title-sold-dot {
    display: inline-block; /* 让它能和文字排在一行 */
    width: 8px;
    height: 8px;
    background-color: #e74c3c; /* 红色 */
    border-radius: 50%; /* 圆形 */
    margin-left: 8px; /* 和前面的文字拉开一点距离 */
    vertical-align: middle; /* 稍微调整垂直对齐 */
}