/* ---------------------------------- */
/* 基础与主题设置 */
/* ---------------------------------- */
:root {
    --color-pink-light: #fce4ec;    /* 浅粉色背景 */
    --color-pink-medium: #ff80ab;   /* 亮粉色 (头部/页脚) */
    --color-pink-dark: #e91e63;     /* 深粉色 (强调/按钮选中) */
    --color-purple-dark: #4a148c;   /* 深紫色文字 */
    --color-accent: #880e4f;        /* 域名强调色 */
    --color-white: #fff;
    --color-off-white: #fffaf0;     /* 奶白色 (弹窗背景) */
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Arial', 'Microsoft YaHei', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--color-pink-light);
    color: var(--color-purple-dark);
    line-height: 1.6;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--color-pink-dark);
}

/* ---------------------------------- */
/* 头部样式 */
/* ---------------------------------- */
#site-header {
    background-color: var(--color-pink-medium);
    color: var(--color-white);
    padding: 20px 5%;
    text-align: center;
}

#logo {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 10px;
    border: 3px solid var(--color-white);
    object-fit: cover;
}

#site-title {
    margin: 5px 0;
    font-size: 2em;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

#site-subtitle {
    margin-bottom: 15px;
    font-size: 1.1em;
}

#announcement {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 10px;
    border-radius: 10px;
    font-size: 0.9em;
}

/* ---------------------------------- */
/* 分类导航 */
/* ---------------------------------- */
#category-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    padding: 15px 5%;
    background-color: #f8bbd0; /* 中粉色过渡 */
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.category-button {
    background-color: #f48fb1;
    color: var(--color-white);
    border: none;
    padding: 8px 15px;
    margin: 5px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s, transform 0.2s;
    white-space: nowrap; /* 防止按钮文字换行 */
}

.category-button:hover, .category-button.active {
    background-color: var(--color-pink-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* ---------------------------------- */
/* 域名列表与卡片 */
/* ---------------------------------- */
#domain-list {
    display: grid;
    /* 核心响应式：最小宽度 280px，自动填充 */
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    padding: 30px 5%;
}

.domain-card {
    background-color: var(--color-white);
    border-radius: 15px;
    box-shadow: 0 6px 12px rgba(233, 30, 99, 0.2);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 1px solid #ffcdd2; /* 浅粉色边框 */
    position: relative; /* 确保徽章定位正确 */
}

.domain-card:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 20px rgba(233, 30, 99, 0.4);
}

.card-logo {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    margin-bottom: 10px;
    object-fit: cover;
}

.card-domain-name {
    font-size: 1.6em;
    font-weight: 900;
    color: var(--color-accent);
    word-break: break-all;
}

.card-meaning {
    margin-top: 5px;
    font-size: 0.9em;
    color: #9c27b0;
}

/* ------------------- 已售出域名样式 (保留不变) ------------------- */
.domain-card.sold-out {
    background-color: #f0f0f0; /* 略微变灰 */
    opacity: 0.7; /* 变暗 */
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transform: none; /* 取消 hover 放大效果 */
    cursor: default;
    position: relative; 
}

.domain-card.sold-out:hover {
    transform: none;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.domain-card.sold-out .card-logo {
    opacity: 0.6; /* 头像也变暗 */
}

.domain-card.sold-out .card-domain-name, 
.domain-card.sold-out .card-meaning {
    text-decoration: line-through; /* 划线文字 */
    color: #999; /* 文字颜色变灰 */
}

/* ------------------- 域名卡片右上角徽章样式 (四种标签通用) ------------------- */
.card-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 4px 8px;
    border-radius: 5px;
    font-size: 0.8em;
    font-weight: bold;
    z-index: 10; 
    white-space: nowrap; /* 防止内容换行 */
    box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

/* 1. 已售出 */
.badge-sold-out {
    background-color: #616161; /* 深灰色 */
    color: var(--color-white);
}

/* 2. 议价 */
.badge-negotiable {
    background-color: #ff9800; /* 橙色 */
    color: var(--color-white);
}

/* 3. 价格标签 */
.badge-price {
    background-color: var(--color-pink-dark); /* 深粉色 (强调色) */
    color: var(--color-white);
}

/* 4. 非卖品 */
.badge-not-for-sale {
    background-color: #795548; /* 棕色 */
    color: var(--color-white);
}

/* ---------------------------------- */
/* 页脚样式 (固定底部) */
/* ---------------------------------- */
#site-footer {
    /* 与头部颜色统一 */
    background-color: var(--color-pink-medium); 
    color: var(--color-white);
    padding: 10px 5%;
    text-align: center;
    position: sticky; 
    bottom: 0;
    width: 100%;
    box-sizing: border-box;
    z-index: 100;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.15);
}

.footer-stats {
    font-size: 0.9em;
    font-weight: bold;
    margin-bottom: 3px;
}

.footer-copyright {
    font-size: 0.8em;
    opacity: 0.8;
}

/* ---------------------------------- */
/* 弹窗样式 (Modal) */
/* ---------------------------------- */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.6);
    display: none; 
    overflow-y: auto;
}

.modal-content {
    background-color: var(--color-off-white);
    margin: 10% auto;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 25px rgba(136, 14, 79, 0.5);
    position: relative;
    animation: fadeIn 0.3s ease-out;
}

.modal-content h2 {
    color: var(--color-pink-dark);
    text-align: center;
    margin-top: 0;
    word-break: break-all;
}

.modal-content hr {
    border: 0;
    height: 1px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), var(--color-pink-dark), rgba(0, 0, 0, 0));
}

.modal-content p {
    margin: 8px 0;
}

.close-button {
    color: var(--color-pink-dark);
    float: right;
    font-size: 30px;
    font-weight: bold;
    transition: color 0.2s;
}

.close-button:hover, .close-button:focus {
    color: var(--color-accent);
    text-decoration: none;
    cursor: pointer;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------------------------------- */
/* 媒体查询：自适应 (手机优化) */
/* ---------------------------------- */
@media (max-width: 600px) {
    #site-header {
        padding: 15px 5%;
    }
    #site-title {
        font-size: 1.8em;
    }
    #site-subtitle {
        font-size: 1em;
    }
    
    /* 域名列表在手机端调整间距 */
    #domain-list {
        padding: 20px 3%;
        gap: 15px;
    }

    /* 弹窗优化：解决超出屏幕问题 */
    .modal-content {
        margin: 10px auto; /* 减少边距 */
        width: 95%;
        max-height: 95vh; /* 限制最大高度，防止溢出 */
        overflow-y: auto; /* 允许滚动 */
        padding: 20px;
    }

    .category-button {
        padding: 6px 12px;
        font-size: 0.9em;
    }
}