/* 全局样式重置 */
/** {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", Arial, sans-serif;
}*/

/* 页面主体样式 */
body {
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
    padding: 20px;
}

/* 头部标题 */
header-yc {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

h1 {
    color: #2c3e50;
    margin-bottom: 10px;
    margin-top: 10px;
}

.subtitle {
    color: #7f8c8d;
    font-size: 16px;
}

/* 问题列表容器 */
.problems-container {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    gap: 30px;
}

/* 单个问题卡片 */
.problem-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    padding: 30px;
    transition: box-shadow 0.3s ease;
}

.problem-card:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.12);
}

/* 问题标题 */
.problem-title {
    color: #2c3e50;
    font-size: 22px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

/* 问题描述区域 */
.problem-description {
    margin-bottom: 25px;
}

.problem-description p {
    font-size: 16px;
    margin-bottom: 15px;
}

/* 问题截图区域 */
.problem-screenshot {
    margin-bottom: 25px;
    text-align: center;
}

.problem-screenshot img {
    max-width: 100%;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    height: 300px;
}

.problem-screenshot big-img {
    max-width: 100%;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    height: 400px;
}

.screenshot-caption {
    margin-top: 10px;
    color: #7f8c8d;
    font-size: 14px;
}

/* 解决方法区域 */
.solution {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 6px;
    border-left: 4px solid #27ae60;
}

.solution-title {
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 15px;
    color: #27ae60;
}

.solution-steps {
    margin-left: 20px;
    margin-bottom: 20px;
}

.solution-steps li {
    margin-bottom: 10px;
    font-size: 16px;
}

/* 下载按钮样式 */
.download-btn {
    display: inline-block;
    background-color: #3498db;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.download-btn:hover {
    background-color: #2980b9;
}

/* 响应式适配 */
@media (max-width: 768px) {
    .problem-card {
	padding: 20px;
    }

    h1 {
	font-size: 24px;
    }

    .problem-title {
	font-size: 20px;
    }
}