:root {
    --primary-color: #E53935;
    --secondary-color: #FFC107;
    --text-color: #333333;
    --background-color: #F5F5F5;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--text-color);
}
img {
    width: 100%;
    height: auto; /* 保持图片的原始比例 */
}
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 1rem 0;
    z-index: 1000;
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--secondary-color);
}

.background-decorations {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: -1;
}

.flag, .ribbon {
    position: absolute;
    width: 50px;
    height: 100px;
    background-color: var(--primary-color);
    opacity: 0.5;
}

.flag.left, .ribbon.left {
    left: 20px;
    animation: wave 3s infinite alternate;
}

.flag.right, .ribbon.right {
    right: 20px;
    animation: wave 3s infinite alternate-reverse;
}

.flag {
    top: 50px;
}

.ribbon {
    top: 200px;
    transform: skew(-20deg);
}

@keyframes wave {
    0% {
        transform: translateY(0) rotate(0);
    }
    100% {
        transform: translateY(20px) rotate(5deg);
    }
}

.article-container {
    max-width: 800px;
    margin: 80px auto 0;
    padding: 2rem;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 1rem;
}

.meta-info {
    text-align: center;
    color: #666;
    margin-bottom: 1rem;
}

.likes {
    text-align: center;
    margin-bottom: 2rem;
}

#likeButton {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* tengzhou.css */

/* 联系信息容器 */
#contact-info {
    text-align: center;
    padding: 20px;
}

/* 联系信息项 */
.contact-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* 联系信息项中的图标 */
.contact-item i {
    margin-right: 5px;
}

/* 联系信息项中的文本 */
.contact-item span {
    margin: 0 10px;
}