/* 通用样式 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

/* Header 样式 */
header {
    background-color: #333;
    color: #fff;
    padding: 15px 0;
    text-align: center;
}

header .logo {
    font-size: 24px;
    font-weight: bold;
}

header nav ul {
    list-style: none;
    padding: 0;
}

header nav ul li {
    display: inline;
    margin: 0 15px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
}

/* Banner 样式 */
.banner {
    background: linear-gradient(to right, #ff8a00, #e52e71);
    color: white;
    text-align: center;
    padding: 8px 20px;
}

.banner h1 {
    font-size: 20px;
    margin: 0;
}

.cta-btn {
    background-color: #ff8a00;
    border: none;
    color: white;
    padding: 8px 16px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 20px;
    border-radius: 5px;
}

.cta-btn:hover {
    background-color: #e52e71;
}

/* 内容部分 */
.content-sections {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 20px;
    gap: 20px;
}

.section {
    background-color: white;
    flex: 1 1 48%;
    margin: 10px 0;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    box-sizing: border-box;
    min-width: 260px;
}

.section h2 {
    font-size: 22px;
    color: #333;
}

.section img {
    max-width: 100%;
    height: auto;
    width: 80px;
    height: 80px;
    margin-bottom: 15px;
}

.section p {
    font-size: 16px;
    color: #555;
}

.download-btn {
    background-color: #ff8a00;
    border: none;
    color: white;
    padding: 8px 16px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    margin-top: 10px;
}

.download-btn:hover {
    background-color: #e52e71;
}

/* 评论区样式 */
.comments-section {
    padding: 40px 20px;
    background-color: #f8f8f8;
    text-align: center;
}

.comments-section h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.comment {
    background-color: white;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.user-name {
    font-weight: bold;
    color: #ff8a00;
}

.user-comment {
    font-size: 16px;
    color: #555;
}

/* Footer 样式 */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 15px 0;
}

footer .social-links a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
}

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