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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: #f5f5f5;
    color: #000;
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

/* 背景 */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.background-image {
    width: 100%;
    height: 100%;
    background-image: url('https://hb-v4-attachment-oss.huoban.com/attachment/736874394/0?sign=q-sign-algorithm%3Dsha1%26q-ak%3DAKIDwpKza4Yu8FVfieRyqt8iP8tsrqnrvvpc%26q-sign-time%3D1768036804%3B1768209664%26q-key-time%3D1768036804%3B1768209664%26q-header-list%3Dhost%26q-url-param-list%3Dresponse-content-disposition%26q-signature%3D3c915a6dcf17449ca1714f5d5080a3338414ad01&response-content-disposition=inline%3B%20filename%3D%22bg_7bc3301d.webp%22&imageMogr2/thumbnail/3000x3000%3E');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    filter: brightness(0.9);
}

/* 主容器 */
.main-wrapper {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* 返回首页按钮容器 */
.back-home-container {
    padding: 0 48px;
    margin-bottom: 0;
    display: block;
    height: auto;
}

.back-home {
    font-size: 14px;
    color: rgba(0, 0, 0, 0.85);
    cursor: pointer;
    padding: 0;
    border: none;
    background: none;
    display: inline-block;
    transition: opacity 0.2s ease;
    line-height: 1.5;
    height: auto;
    font-weight: 400;
}

.back-home:hover {
    opacity: 0.7;
}

.back-home:active {
    opacity: 0.5;
}

/* 页面内容 */
.page-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 16px;
    width: 100%;
    box-sizing: border-box;
}

/* 标题图片区域 */
.header-image-section {
    margin-bottom: 24px;
    text-align: center;
    padding: 16px 0;
}

.header-image-container {
    display: inline-block;
    max-width: 100%;
}

.header-logo-img {
    max-width: 100%;
    height: auto;
    display: block;
    /* 图片占位符 */
    background-color: #f5f5f5;
    min-height: 150px;
    background-image: 
        linear-gradient(45deg, #e8e8e8 25%, transparent 25%, transparent 75%, #e8e8e8 75%, #e8e8e8),
        linear-gradient(45deg, #e8e8e8 25%, transparent 25%, transparent 75%, #e8e8e8 75%, #e8e8e8);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    object-fit: contain;
}

.header-logo-img[src]:not([src=""]) {
    background-image: none;
    min-height: auto;
}

/* 欢迎标题部分 */
.welcome-section {
    background-color: #fff;
    border-radius: 8px;
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.welcome-section h1 {
    font-size: 30px;
    font-weight: 500;
    margin-bottom: 8px;
    color: #000;
    line-height: 1.4;
}

.welcome-section p {
    font-size: 16px;
    margin-bottom: 12px;
    color: #000;
    line-height: 25.6px;
}

.welcome-section strong {
    font-weight: 600;
}

.welcome-section p:last-child strong {
    color: #fff;
    background-color: #3b82f6;
    padding: 2px 6px;
    border-radius: 4px;
}

/* 卡片区域 */
.card-section {
    background-color: #fff;
    border-radius: 8px;
    margin-bottom: 24px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.card-section:first-of-type {
    background-color: #fff;
}

.card-header {
    padding: 12px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    text-align: center;
}

.card-header h2 {
    font-size: 18px;
    font-weight: 500;
    color: rgba(0, 0, 0, 0.85);
    margin: 0;
    line-height: 1.4;
}

.card-content {
    padding: 24px;
}

/* 菜单网格 */
/* 菜单网格容器 */
.menu-grid {
    padding: 4px 0px;
    width: 100%;
}

.menu-grid .content {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    align-items: center;
    padding: 10px 20px;
    width: 100%;
    box-sizing: border-box;
}

/* 当menu-grid在card-content中时，移除card-content的padding */
.card-content:has(.menu-grid) {
    padding: 0;
}

.menu-item {
    width: 120px;
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: normal;
    cursor: pointer;
    transition: transform 0.2s;
    padding: 0;
    margin: 0;
}

.menu-item:hover {
    transform: translateY(-2px);
}

.menu-item-image {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-size: cover;
    background-position: 50% 50%;
    background-repeat: no-repeat;
    margin-bottom: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    /* 图片占位符 - 如果图片未加载，显示背景色 */
    background-color: #f0f0f0;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

/* 图片加载失败时的占位符 */
.menu-item-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #e8e8e8;
    background-image: 
        linear-gradient(45deg, #f5f5f5 25%, transparent 25%, transparent 75%, #f5f5f5 75%, #f5f5f5),
        linear-gradient(45deg, #f5f5f5 25%, transparent 25%, transparent 75%, #f5f5f5 75%, #f5f5f5);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s;
}

/* 当背景图片不存在时显示占位符 */
.menu-item-image:not([style*="background-image"]),
.menu-item-image[style*="background-image: none"],
.menu-item-image.bg-image-error {
    background-color: #e8e8e8 !important;
}

.menu-item-image:not([style*="background-image"])::before,
.menu-item-image[style*="background-image: none"]::before,
.menu-item-image.bg-image-error::before {
    opacity: 1;
}

.menu-item-image.bg-image-error::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="%23999"><path d="M21 19V5c0-1.1-.9-2-2-2H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2zM8.5 13.5l2.5 3.01L14.5 12l4.5 6H5l3.5-4.5z"/></svg>') no-repeat center;
    background-size: contain;
    opacity: 0.4;
    z-index: 0;
}

.menu-item-text {
    font-size: 12px;
    line-height: 16px;
    color: rgba(0, 0, 0, 0.85);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    margin-top: 10px;
}

/* 全宽图片 */
.card-image-full {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

/* 底部 */
.footer {
    background-color: rgba(255, 255, 255, 0.9);
    padding: 20px;
    text-align: center;
    margin-top: 48px;
    border-radius: 8px;
}

.footer-section {
    margin-bottom: 8px;
    font-size: 14px;
    color: rgba(0, 0, 0, 0.65);
}

.footer-section:last-child {
    margin-bottom: 0;
}

.footer-weaken {
    color: rgba(0, 0, 0, 0.45);
}

.footer-emphasize {
    margin: 0 4px;
}

.footer-emphasize a {
    color: #3b82f6;
    text-decoration: none;
}

.footer-emphasize a:hover {
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-content {
        padding: 16px 12px;
    }

    .welcome-section {
        padding: 24px 16px;
    }

    .welcome-section h1 {
        font-size: 24px;
        margin-bottom: 8px;
    }

    .welcome-section p {
        font-size: 14px;
        line-height: 22px;
    }

    .menu-grid {
        gap: 8px;
        padding: 10px 12px;
    }

    .menu-item {
        width: 100px;
        height: 120px;
    }

    .menu-item-image {
        width: 80px;
        height: 80px;
    }

    .menu-item-text {
        font-size: 11px;
        line-height: 14px;
    }

    .card-content {
        padding: 16px;
    }

    .card-header h2 {
        font-size: 16px;
    }

    .header-logo-img {
        min-height: 120px;
    }

    .card-image-full {
        min-height: 150px;
    }
}

/* 卡片背景样式 - 护航单部分 */
.card-section:first-of-type .card-content {
    padding: 24px;
}

.card-image-full {
    width: 100%;
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
    margin: 0 auto;
}

/* 菜单项圆形图片优化 */
.menu-item:hover .menu-item-image {
    transform: scale(1.05);
}

/* 图片占位符完整样式 */
.menu-item-image.bg-image-error {
    background-color: #e8e8e8 !important;
    background-image: 
        linear-gradient(45deg, #f5f5f5 25%, transparent 25%, transparent 75%, #f5f5f5 75%, #f5f5f5),
        linear-gradient(45deg, #f5f5f5 25%, transparent 25%, transparent 75%, #f5f5f5 75%, #f5f5f5) !important;
    background-size: 20px 20px !important;
    background-position: 0 0, 10px 10px !important;
}

.menu-item-image:not([style*="background-image"]) {
    background-color: #e8e8e8 !important;
    background-image: 
        linear-gradient(45deg, #f5f5f5 25%, transparent 25%, transparent 75%, #f5f5f5 75%, #f5f5f5),
        linear-gradient(45deg, #f5f5f5 25%, transparent 25%, transparent 75%, #f5f5f5 75%, #f5f5f5) !important;
    background-size: 20px 20px !important;
    background-position: 0 0, 10px 10px !important;
}

.header-logo-img.image-placeholder,
.card-image-full.image-placeholder {
    background-color: #f5f5f5 !important;
    background-image: 
        linear-gradient(45deg, #e8e8e8 25%, transparent 25%, transparent 75%, #e8e8e8 75%, #e8e8e8),
        linear-gradient(45deg, #e8e8e8 25%, transparent 25%, transparent 75%, #e8e8e8 75%, #e8e8e8) !important;
    background-size: 20px 20px !important;
    background-position: 0 0, 10px 10px !important;
}