/* 复古香槟色调主题 */
:root {
    --primary-color: #c19a6b;  /* 香槟金 */
    --secondary-color: #e5d4b4; /* 浅香槟 */
    --dark-color: #3a3226;     /* 深棕 */
    --light-color: #f8f4e9;    /* 米白 */
    --accent-color: #a67c52;   /* 深金 */
    --text-color: #4a4238;
    --vintage-pattern: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23f8f4e9"/><path d="M0 0 L100 100 M100 0 L0 100" stroke="%23e5d4b4" stroke-width="1"/></svg>');
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Cormorant Garamond', serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--light-color);
    background-image: var(--vintage-pattern);
    background-attachment: fixed;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: all 0.3s ease;
}

a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 复古风格头部 */
header {
    background-color: rgba(248, 244, 233, 0.9);
    padding: 20px 0;
    border-bottom: 2px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(58, 50, 38, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-family: var(--font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--dark-color);
    letter-spacing: 2px;
    position: relative;
    padding-left: 50px;
}

.logo::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 25px;
    flex-wrap: wrap;
}

nav ul li a {
    font-family: var(--font-heading);
    font-size: 18px;
    padding: 5px 15px;
    border: 1px solid transparent;
    border-radius: 20px;
    transition: all 0.3s;
}

nav ul li a:hover {
    border-color: var(--primary-color);
    text-decoration: none;
    background-color: rgba(193, 154, 107, 0.1);
}

/* 复古内容区域 */
.main-content {
    background-color: rgba(248, 244, 233, 0.9);
    border: 1px solid var(--secondary-color);
    border-radius: 5px;
    padding: 40px;
    margin: 40px 0;
    box-shadow: 5px 5px 15px rgba(58, 50, 38, 0.1);
    position: relative;
    overflow: hidden;
}

.main-content::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    border-right: 3px solid var(--primary-color);
    border-top: 3px solid var(--primary-color);
    opacity: 0.2;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 28px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px dashed var(--primary-color);
    color: var(--dark-color);
    position: relative;
    letter-spacing: 1px;
}

.section-title::after {
    content: "◆";
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--primary-color);
    font-size: 20px;
    background-color: var(--light-color);
    padding: 0 10px;
}

/* 复古文章网格 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.article-card {
    background-color: white;
    border: 1px solid var(--secondary-color);
    border-radius: 3px;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 3px 3px 10px rgba(58, 50, 38, 0.05);
    position: relative;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 5px 5px 15px rgba(58, 50, 38, 0.2);
}

.article-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--accent-color));
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--secondary-color);
    filter: sepia(30%);
}

.card-body {
    padding: 20px;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark-color);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--accent-color);
    margin-top: 15px;
    font-style: italic;
}

/* 复古分类标签 */
.category-tag {
    display: inline-block;
    padding: 3px 12px;
    background-color: var(--secondary-color);
    color: var(--dark-color);
    border-radius: 15px;
    font-size: 12px;
    margin-bottom: 15px;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

/* 复古文章详情 */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
}

.article-header {
    margin-bottom: 40px;
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}

.article-header::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--primary-color), transparent);
}

.article-title {
    font-family: var(--font-heading);
    font-size: 36px;
    margin-bottom: 20px;
    color: var(--dark-color);
    line-height: 1.3;
    letter-spacing: 1px;
}

.article-meta {
    display: flex;
    justify-content: center;
    gap: 25px;
    color: var(--accent-color);
    margin-bottom: 25px;
    flex-wrap: wrap;
    font-style: italic;
}

.article-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
    border-radius: 3px;
    margin-bottom: 30px;
    border: 10px solid white;
    box-shadow: 5px 5px 15px rgba(58, 50, 38, 0.2);
    filter: sepia(20%);
}

.article-content {
    line-height: 1.8;
    font-size: 18px;
}

.article-content p {
    margin-bottom: 25px;
    text-align: justify;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 3px;
    margin: 25px auto;
    display: block;
    border: 5px solid white;
    box-shadow: 3px 3px 10px rgba(58, 50, 38, 0.1);
}

/* 复古分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 50px;
}

.pagination a {
    padding: 8px 20px;
    border-radius: 3px;
    background-color: white;
    border: 1px solid var(--secondary-color);
    transition: all 0.3s;
    font-family: var(--font-heading);
    color: var(--dark-color);
}

.pagination a:hover {
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-color: var(--primary-color);
}

/* 复古友情链接 */
.friend-links {
    background-color: white;
    border-radius: 3px;
    padding: 30px;
    margin: 40px 0;
    border: 1px solid var(--secondary-color);
    box-shadow: 3px 3px 10px rgba(58, 50, 38, 0.05);
}

.friend-links h3 {
    margin-bottom: 25px;
    color: var(--dark-color);
    font-family: var(--font-heading);
    font-size: 22px;
    text-align: center;
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.friend-links-container a {
    padding: 8px 20px;
    background-color: var(--secondary-color);
    border-radius: 3px;
    font-size: 14px;
    color: var(--dark-color);
    border: 1px solid transparent;
    transition: all 0.3s;
}

.friend-links-container a:hover {
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-color: var(--primary-color);
}

/* 复古页脚 */
footer {
    background-color: var(--dark-color);
    padding: 30px 0;
    text-align: center;
    margin-top: 50px;
    border-top: 5px solid var(--primary-color);
}

.copyright {
    font-size: 14px;
    color: var(--secondary-color);
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 20px;
    }
    
    nav ul {
        justify-content: center;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .main-content {
        padding: 30px 20px;
    }
    
    .article-meta {
        gap: 15px;
    }
}

/* 复古字体引入 */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600&family=Playfair+Display:wght@700;800&display=swap');