body {
    font-family: "Arial", sans-serif;
    background-color: #fff7fa; /* 柔和浅粉背景 */
    margin: 0;
    padding: 0;
    color: #5a5a5a; /* 默认深灰，清爽不刺眼 */
}

header {
    background: #f48fb1; /* 温柔中粉 */
    text-align: center;
    padding: 40px;
    color: white;
    font-size: 26px;
    letter-spacing: 1px;
    border-bottom: 2px solid #ffccdd;
}

.container {
    width: 75%;
    margin: 40px auto;
}

.week-box {
    background: white; /* 日志框白色，干净清爽 */
    border-radius: 14px;
    padding: 28px;
    margin-bottom: 30px;
    border: 1px solid #ffd6e6; /* 细粉色边框 */
    box-shadow: 0 4px 12px rgba(250, 170, 190, 0.25); /* 柔粉阴影 */
}

h2 {
    color: #f06292; /* 柔粉标题 */
    margin-bottom: 12px;
    font-weight: bold;
}

h3 {
    color: #b75a78; /* 深玫粉副标题 */
    margin-top: 0;
    font-weight: normal;
}

p {
    line-height: 1.9;
    font-size: 15px;
    color: #5a5a5a; /* 温柔可读的灰色文字 */
}.video-box {
    margin-top: 1.5rem;
    padding: 1.2rem;
    background-color: #f3edff;
    border: 2px solid #e2d7fa;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(95, 61, 196, 0.1);
}

.video-box h3 {
    text-align: center;
    color: #5f3dc4;
}video {
    width: 70%;
    max-width: 600px;
    border-radius: 12px;
    display: block;
    margin: 1rem auto;
    box-shadow: 0 4px 15px rgba(95, 61, 196, 0.15);
}