/* 全局变量和重置 */
:root {
    --primary-color: #3498db;
    --secondary-color: #9b59b6;
    --text-color: #333;
    --background-color: rgba(255, 255, 255, 0.85);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.4s ease;
}

.dark-mode {
    --text-color: #f1f1f1;
    --background-color: rgba(30, 30, 40, 0.85);
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    color: var(--text-color);
    transition: var(--transition);
    position: relative;
    background-image: url(https://www.loliapi.com/bg/);
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
}

/* 加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s, visibility 0.5s;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.loader-text {
    color: white;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 主容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* 卡片样式 */
.card {
    background: var(--background-color);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    box-shadow: var(--card-shadow);
    text-align: center;
    width: 100%;
    max-width: 800px;
    transition: var(--transition);
}

/* 人物介绍区域 */
.persons-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.person {
    text-align: center;
    position: relative;
    transition: transform 0.3s ease;
    flex: 0 1 auto;
}

.person:hover {
    transform: translateY(-10px);
}

.avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-color);
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.name {
    font-size: 2rem;
    font-weight: bold;
    margin-top: 1rem;
    color: var(--primary-color);
}

/* 分隔符样式 */
.separator {
    font-size: 4rem;
    font-weight: bold;
    margin: 0 1rem;
    color: var(--primary-color);
    position: relative;
    animation: colorChange 5s infinite alternate;
    transform: scale(1);
    transition: transform 0.3s ease;
}

.separator:hover {
    transform: scale(1.2);
}

@keyframes colorChange {
    0% { color: var(--primary-color); }
    25% { color: #ff7675; }
    50% { color: #74b9ff; }
    75% { color: #55efc4; }
    100% { color: var(--secondary-color); }
}

/* 打字机效果区域 */
.typing-container {
    min-height: 100px;
    margin: 2rem 0;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
}

#typed {
    font-size: 1.8rem;
    font-weight: 500;
    min-height: 2.5rem;
    color: var(--secondary-color);
}

/* 链接区域 */
.links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    background: rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    font-weight: 500;
}

.link:hover {
    transform: translateY(-5px);
    background: var(--primary-color);
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.link i {
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

/* 友情链接区域 */
.friend-links {
    margin-top: 2rem;
    width: 100%;
    display: none; /* 默认隐藏 */
}

.friend-links.visible {
    display: block; /* 当有链接时显示 */
}

.friend-links h3 {
    text-align: center;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center; /* 始终居中 */
    gap: 1rem;
}

.friend-link {
    display: block;
    padding: 0.8rem 1.5rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 10px;
    text-align: center;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    min-width: 200px;
    max-width: 100%;
    box-sizing: border-box;
}

.friend-link:hover {
    background: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .card {
        padding: 2rem 1.5rem;
    }
    
    .avatar {
        width: 120px;
        height: 120px;
    }
    
    #typed {
        font-size: 1.4rem;
    }
    
    .links {
        flex-direction: column;
        gap: 1rem;
    }

    .friend-links-container {
        flex-direction: column;
        align-items: center;
    }
    
    .friend-link {
        width: 100%;
        max-width: 300px;
    }

    .persons-container {
        gap: 1rem;
        flex-direction: column;
    }
    
    .separator {
        font-size: 3rem;
        margin: 1rem 0;
        transform: rotate(90deg);
    }
}

/* 特殊情况下（1-2个链接）的居中优化 */
@media (min-width: 769px) {
    .friend-links-container:has(.friend-link:nth-child(1):nth-last-child(1)),
    .friend-links-container:has(.friend-link:nth-child(2):nth-last-child(2)) {
        justify-content: center;
    }
    
    .friend-links-container:has(.friend-link:nth-child(1):nth-last-child(1)) .friend-link,
    .friend-links-container:has(.friend-link:nth-child(2):nth-last-child(2)) .friend-link {
        flex: 0 0 auto;
    }
}

/* 动画 */
@keyframes pulse {
    0% { opacity: 0.6; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.05); }
    100% { opacity: 0.6; transform: scale(0.95); }
}

.fade-in {
    animation: fadeIn 1.2s ease-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}