/* ==================== 通用页面样式 ==================== */

/* 容器样式 */
.container {
    background-color: rgba(193, 193, 193, 0.5);
    color: #ffffff;
    border-radius: 8px;
    padding: 20px;
    width: 70%;
    margin: 70px auto 80px auto;
    font-family: "Times New Roman", Times, serif;
}

/* 标题样式 */
.container h1 {
    padding: 0px;
    margin: 10px auto;
    font-size: 30px;
}

/* 分隔线样式 */
.container hr {
    border: 1px solid white;
    background: transparent;
    height: 1px;
    margin: 15px 0;
}

/* 列表样式 */
.column-list {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.column {
    padding: 5px;
    margin: 0;
    margin-bottom: 5px;
    font-size: 16px;
    border-bottom: 1px solid white;
}

/* ==================== About 页面特定样式 ==================== */

/* 头像图片样式 */
#profile-pic img {
    max-width: 100%;
    height: auto;
}

/* 个人信息样式 */
#profile-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.profile-info p {
    margin: 0;
    line-height: 1;
    text-align: center;
    font-weight: bold;
    font-size: 30px;
}

/* Education 和 Achievement 区块样式 */
.container blockquote {
    margin: 10px 0;
    padding: 10px 15px;
    border-left: 3px solid #ffd587;
    background-color: rgba(255, 255, 255, 0.1);
}

/* ==================== Contact 页面特定样式 ==================== */

/* Contact 页面容器调整 */
.contact-container {
    margin-top: 210px;
    margin-bottom: 80px;
}

/* Contact 页面分隔线 */
.contact-container hr {
    margin: 30px 0;
}

/* Contact 页面列表项 */
.contact-container .column {
    margin-bottom: 10px;
    font-size: 20px;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-container .column:last-child {
    border-bottom: none;
}

.contact-container .column a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-container .column a:hover {
    color: #ffd587;
}

/* 图标样式 */
.icon {
    width: 30px;
    height: 30px;
    margin-right: 10px;
    filter: brightness(0) invert(1); /* 将图标变为白色 */
}

/* ==================== Paper 页面样式 ==================== */

/* Paper 页面容器 */
.paper-container {
    margin-top: 120px;
    margin-bottom: 80px;
    min-height: 60vh;
}

/* Paper 卡片样式 */
.paper-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid #ffd587;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.paper-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(255, 213, 135, 0.3);
}

.paper-card h3 {
    color: #ffd587;
    margin-bottom: 10px;
    font-size: 22px;
}

.paper-card .paper-meta {
    color: #cccccc;
    font-size: 14px;
    margin-bottom: 10px;
}

.paper-card .paper-description {
    line-height: 1.6;
    margin-bottom: 10px;
}

.paper-card .paper-links a {
    display: inline-block;
    margin-right: 15px;
    color: #ffd587;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.paper-card .paper-links a:hover {
    color: #ffffff;
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #cccccc;
}

.empty-state h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: #ffd587;
}

.empty-state p {
    font-size: 18px;
}

/* ==================== 响应式设计 ==================== */

@media (max-width: 768px) {
    .container {
        width: 90%;
        margin-top: 100px;
        padding: 15px;
    }
    
    .column-list {
        flex-direction: column;
    }
    
    #profile-pic,
    #profile-info {
        width: 100% !important;
        margin-bottom: 20px;
    }
    
    .contact-container .column {
        font-size: 18px;
        padding: 15px;
    }
    
    .paper-card h3 {
        font-size: 18px;
    }
    
    header nav ul {
        flex-direction: column;
        align-items: center;
    }
    
    header nav li {
        margin: 10px;
    }
}

@media (max-width: 480px) {
    .container h1 {
        font-size: 24px;
    }
    
    .profile-info p {
        font-size: 24px;
    }
    
    .contact-container .column {
        font-size: 16px;
    }
}