body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #ece8dd;
    color: #3d3929;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
    padding: 1rem 1rem 0.5rem; /* 减少底部padding */
}

.logo {
    max-width: 250px; /* 将logo放大到250px */
    height: auto;
}
.logo_s {
    max-width: 150px; /* 将logo放大到250px */
    height: auto;
}

main {
    padding: 1rem 2rem 2rem; /* 减少顶部padding */
    max-width: 800px;
    margin: 0 auto;
    flex-grow: 1;
}

section {
    margin-bottom: 2rem;
    padding: 0 1rem; /* 移除顶部和底部padding */
    text-align: center;
}

h1 {
    color: #d97557;
    margin-top: 0; /* 移除h2的顶部margin */
    font-size: 2.5em; /* 增加标题字体大小 */
    margin-bottom: 0.5em; /* 调整下方间距 */
}

h2 {
    color: #d97557;
    margin-top: 0; /* 移除h2的顶部margin */
}

ul, ol {
    padding-left: 2rem;
}

.download-btn {
    display: inline-block;
    background-color: #d97557;
    color: #ffffff;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    margin-top: 1rem;
}

.download-btn:hover {
    background-color: #c56447;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.1);
    margin-top: auto;
}

footer a {
    color: #3d3929;
    text-decoration: none;
}

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