/* 壁纸区域 */
.wallpaper-section {
    padding: var(--section-margin-sm) 0 0 !important;
    position: relative;
    margin-top: 0 !important;
    margin-bottom: 0 !important;
}

/* 壁纸容器使用统一边距 */
.wallpaper-section .container,
.wallpaper-section .container-fluid {
    padding-left: var(--container-padding-xs) !important;
    padding-right: var(--container-padding-xs) !important;
    max-width: 1200px !important;
    width: 100% !important;
    margin: 0 auto !important;
}

/* 响应式调整边距 */
@media (min-width: 576px) {
    .wallpaper-section .container,
    .wallpaper-section .container-fluid {
        padding-left: var(--container-padding-sm) !important;
        padding-right: var(--container-padding-sm) !important;
    }
    .wallpaper-section {
        padding: var(--section-margin-md) 0 0 !important;
    }
}

@media (min-width: 768px) {
    .wallpaper-section .container,
    .wallpaper-section .container-fluid {
        padding-left: var(--container-padding-md) !important;
        padding-right: var(--container-padding-md) !important;
    }
    .wallpaper-section {
        padding: var(--section-margin-md) 0 0 !important;
    }
}

@media (min-width: 992px) {
    .wallpaper-section .container,
    .wallpaper-section .container-fluid {
        padding-left: var(--container-padding-lg) !important;
        padding-right: var(--container-padding-lg) !important;
    }
    .wallpaper-section {
        padding: var(--section-margin-lg) 0 0 !important;
    }
}

@media (min-width: 1200px) {
    .wallpaper-section .container,
    .wallpaper-section .container-fluid {
        padding-left: var(--container-padding-xl) !important;
        padding-right: var(--container-padding-xl) !important;
    }
    .wallpaper-section {
        padding: var(--section-margin-lg) 0 0 !important;
    }
}

.wallpaper-container {
    position: relative;
    width: 100% !important;
    height: 26vh; /* 缩小高度到26vh */
    min-height: 130px; /* 缩小最小高度到130px */
    border-radius: 12px !important;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    /* 移除了transition，因为不再需要上浮效果 */
    margin: 0 !important;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 移除了.wallpaper-container:hover的上浮效果，仅保留阴影变化 */
.wallpaper-container:hover {
    /* 移除了transform: translateY(-2px); */
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.wallpaper-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.wallpaper-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.1) 50%,
        rgba(0, 0, 0, 0) 100%
    );
    z-index: 1;
}

.wallpaper-info {
    position: absolute;
    bottom: 10px; /* 靠近底部 */
    left: 15px; /* 再往左移动，从30px改为15px */
    color: white;
    padding: 0;
    font-size: 12px;
    z-index: 2;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    border-radius: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.7),
                 0 0 8px rgba(0, 0, 0, 0.5);
    opacity: 1;
    transform: none;
    transition: none;
    max-width: calc(100% - 30px); /* 调整最大宽度，左边15px + 右边15px = 30px */
}

.wallpaper-title {
    font-weight: 600;
    margin-bottom: 2px;
    line-height: 1.3;
    font-size: 14px;
    word-wrap: break-word; /* 允许单词换行 */
}

.wallpaper-copyright {
    font-size: 10px;
    opacity: 0.9;
    line-height: 1.4;
    word-wrap: break-word; /* 允许单词换行 */
    white-space: normal; /* 允许正常换行 */
    overflow: visible; /* 允许内容可见 */
    text-overflow: clip; /* 不使用省略号 */
    max-width: 100%; /* 允许使用最大宽度 */
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.wallpaper-container img {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.wallpaper-container img.loaded {
    opacity: 1;
}

.wallpaper-container:has(img[src=""]) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 500;
}

.wallpaper-container:has(img[src=""])::before {
    content: "🎨 星链导航 - 加载壁纸中...";
    opacity: 0.8;
}

@media (prefers-color-scheme: dark) {
    .wallpaper-container:has(img[src=""]) {
        background: linear-gradient(135deg, #4f46e5 0%, #7e22ce 100%);
    }
}

@media (prefers-contrast: high) {
    .wallpaper-info {
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.9),
                     0 0 12px rgba(0, 0, 0, 0.8);
    }
}

@media (prefers-reduced-motion: reduce) {
    .wallpaper-container img {
        transition: none;
    }
}

/* 移动端样式修改 - 确保标题和副标题不允许换行，超出的省略 */
@media (max-width: 768px) {
    .wallpaper-section {
        padding: var(--section-margin-sm) 0 0 !important;
    }
    
    .wallpaper-container {
        height: 26vh; /* 移动端保持一致高度 */
        min-height: 130px;
        border-radius: 10px !important;
    }
    
    .wallpaper-info {
        bottom: 8px; /* 移动端适当调整，向下移动 */
        left: 12px; /* 移动端向左移动 */
        max-width: calc(100% - 24px); /* 调整最大宽度 */
    }
    
    /* 移动端：标题不允许换行，超出的省略 */
    .wallpaper-title {
        font-size: 13px;
        white-space: nowrap; /* 不允许换行 */
        overflow: hidden; /* 超出隐藏 */
        text-overflow: ellipsis; /* 显示省略号 */
        max-width: 100%; /* 限制最大宽度 */
    }
    
    /* 移动端：副标题不允许换行，超出的省略 */
    .wallpaper-copyright {
        font-size: 10px;
        white-space: nowrap; /* 不允许换行 */
        overflow: hidden; /* 超出隐藏 */
        text-overflow: ellipsis; /* 显示省略号 */
        max-width: 100%; /* 限制最大宽度 */
    }
}

@media (max-width: 480px) {
    .wallpaper-section {
        padding: var(--section-margin-xs) 0 0 !important;
    }
    
    .wallpaper-container {
        height: 26vh; /* 小屏幕保持一致高度 */
        min-height: 130px;
        border-radius: 8px !important;
    }
    
    .wallpaper-info {
        bottom: 6px; /* 小屏幕适当调整，向下移动 */
        left: 10px; /* 小屏幕向左移动 */
        max-width: calc(100% - 20px); /* 调整最大宽度 */
    }
    
    /* 小屏幕：进一步减小字体，并确保不换行 */
    .wallpaper-title {
        font-size: 12px;
        white-space: nowrap; /* 不允许换行 */
        overflow: hidden; /* 超出隐藏 */
        text-overflow: ellipsis; /* 显示省略号 */
    }
    
    .wallpaper-copyright {
        font-size: 9px;
        white-space: nowrap; /* 不允许换行 */
        overflow: hidden; /* 超出隐藏 */
        text-overflow: ellipsis; /* 显示省略号 */
    }
}