/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 页面基础样式 */
html, body {
    height: 100%;
    font-family: 'STSong', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    margin: 0;
}

/* 标题容器样式 */
.header-container {
    margin-top: 20px;
    margin-bottom: 10px;
    width: 100%;
    text-align: center;
    display: block;
    overflow: visible;
    max-width: 90%;
}

/* 标题样式 */
.header-container p {
    font-size: 3rem;
    color: #333;
    line-height: 1.2;
    margin: 0;
    padding: 0;
    word-wrap: break-word;
    display: inline-block;
    white-space: nowrap;
    max-width: 100%;
}

/* 副标题容器样式 */
.subtitle-container {
    margin-bottom: 30px;
    text-align: center;
    max-width: 90%;
}

/* 副标题样式 */
.subtitle-container p {
    font-size: 1.2rem;
    color: #555;
    margin: 0;
}

/* 图片容器样式 */
.image-container {
    width: 100%;
    max-width: 90%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    padding: 0;
}

/* 图片样式优化 */
#shanghai {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #fff;
    transition: transform 0.3s ease;
    object-fit: contain;
    max-height: 70vh;
    display: block;
    margin: 0;
    padding: 0;
}

/* 图片悬停效果 */
#shanghai:hover {
    transform: scale(1.02);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 响应式设计适配不同屏幕尺寸 */
@media (max-width: 768px) {
    .header-container p {
        font-size: 2.2rem;
    }
    
    .subtitle-container p {
        font-size: 1rem;
    }
    
    #shanghai {
        border-radius: 8px;
        border: 1px solid #fff;
        max-height: 70vh;
    }
}

@media (max-width: 480px) {
    .header-container p {
        font-size: 1.8rem;
    }
    
    #shanghai {
        border-radius: 6px;
        border: 1px solid #fff;
        max-height: 60vh;
    }
}

/* iOS App下载按钮样式 */
.app-download {
    margin: 30px 0;
    text-align: center;
}

.app-download a {
    display: inline-block;
    background-color: #007AFF;
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.app-download a:hover {
    background-color: #0056CC;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

/* 联系方式样式 */
.contact-info {
    margin-top: 30px;
    text-align: center;
    color: #555;
}

.contact-info p {
    margin: 8px 0;
    font-size: 1rem;
}

.contact-info p:last-child {
    font-weight: 500;
    font-size: 1.1rem;
    color: #333;
}

/* App下载按钮和联系方式响应式设计 */
@media (max-width: 768px) {
    .app-download {
        margin: 20px 0;
    }
    
    .app-download a {
        padding: 10px 20px;
        font-size: 1rem;
    }
    
    .contact-info {
        margin-top: 20px;
    }
    
    .contact-info p {
        font-size: 0.9rem;
    }
    
    .contact-info p:last-child {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .app-download {
        margin: 15px 0;
    }
    
    .app-download a {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    .contact-info {
        margin-top: 15px;
    }
    
    .contact-info p {
        font-size: 0.85rem;
    }
}

/* ICP声明样式 */
.icp-info {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 20px;
}

.icp-info p {
    color: #888;
    font-size: 0.8rem;
    margin: 0;
}

@media (max-width: 768px) {
    .icp-info {
        margin-top: 20px;
        margin-bottom: 15px;
    }
    
    .icp-info p {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .icp-info {
        margin-top: 15px;
        margin-bottom: 10px;
    }
    
    .icp-info p {
        font-size: 0.7rem;
    }
}