/* Tailwind CSS CDN */
@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');

/* CSS 变量定义 */
:root {
    /* 颜色系统 */
    --color-primary: #FFFFFF;
    --color-secondary: #F0F0F0;
    --color-background: #000000;
    --color-overlay: rgba(0, 0, 0, 0.4);
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #E0E0E0;
    --color-text-muted: #B0B0B0;
    
    /* 社交图标颜色 */
    --color-qq: #12B7F5;
    --color-telegram: #0088CC;
    --color-twitter: #1DA1F2;
    --color-github: #FFFFFF;
    --color-email: #EA4335;
    
    /* 字体 */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 50%;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    width: 100%;
    height: 100%;
}

body {
    font-family: var(--font-family);
    color: var(--color-text-primary);
    background-color: var(--color-background);
    overflow-x: hidden;
    min-height: 100vh;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 背景层 */
.background-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    z-index: -2;
}

.background-layer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(0, 0, 0, 0.6) 0%,
        rgba(0, 0, 0, 0.4) 50%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: -1;
}

/* 主容器 */
.container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    z-index: 1;
    margin: 0 auto;
}

/* 个人信息卡片 */
.profile-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 100%;
    text-align: center;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: fadeInUp 1s ease-out;
    margin-bottom: var(--spacing-lg);
}

/* 头像包装器 */
.avatar-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

/* 头像 */
.avatar {
    width: 150px;
    height: 150px;
    border-radius: var(--radius-full);
    object-fit: cover;
    border: 4px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    cursor: pointer;
}

.avatar:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 
        0 8px 30px rgba(0, 0, 0, 0.4),
        0 0 0 2px rgba(255, 255, 255, 0.2);
}

/* 姓名 */
.name {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 1px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeIn 1s ease-out 0.2s both;
}

/* 个人简介 */
.bio {
    font-size: 16px;
    font-weight: 400;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
    text-align: center;
    animation: fadeIn 1s ease-out 0.4s both;
}

/* 社交图标栏 */
.social-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    padding: var(--spacing-md);
    animation: fadeIn 1s ease-out 0.6s both;
}

/* 社交图标 */
.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-primary);
    font-size: 24px;
    text-decoration: none;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.social-icon:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* 不同社交平台的悬停颜色 */
.social-icon[href*="qq"]:hover {
    color: var(--color-qq);
    border-color: var(--color-qq);
}

.social-icon[href*="t.me"]:hover {
    color: var(--color-telegram);
    border-color: var(--color-telegram);
}

.social-icon[href*="twitter"]:hover {
    color: var(--color-twitter);
    border-color: var(--color-twitter);
}

.social-icon[href*="github"]:hover {
    color: var(--color-github);
    border-color: var(--color-github);
    background: rgba(255, 255, 255, 0.3);
}

.social-icon[href*="mailto"]:hover {
    color: var(--color-email);
    border-color: var(--color-email);
}

/* 动画关键帧 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .profile-card {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
    }
    
    .name {
        font-size: 36px;
    }
    
    .bio {
        font-size: 14px;
    }
    
    .avatar {
        width: 120px;
        height: 120px;
    }
    
    .social-links {
        gap: 20px;
    }
    
    .social-icon {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .profile-card {
        padding: var(--spacing-md);
    }
    
    .name {
        font-size: 28px;
    }
    
    .bio {
        font-size: 13px;
    }
    
    .avatar {
        width: 100px;
        height: 100px;
    }
    
    .social-links {
        gap: 15px;
        flex-wrap: wrap;
    }
    
    .social-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
}

/* 语言切换按钮 */
.lang-switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    margin-bottom: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    animation: fadeIn 1s ease-out 0.3s both;
}

.lang-switch:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.lang-switch:active {
    transform: translateY(0);
}

.lang-icon {
    font-size: 16px;
}

.lang-text {
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 加载动画 */
.loading {
    opacity: 0;
}

.loaded {
    opacity: 1;
    transition: opacity 0.5s ease;
}