:root {
    --bg-dark: #0a0a0c;
    --text-main: #ffffff;
    --text-muted: #a0a0b0;
    --accent-primary: #7000ff; /* 赛博紫 */
    --accent-secondary: #00f0ff; /* 霓虹蓝 */
    --glass-bg: rgba(20, 20, 25, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --card-hover: rgba(255, 255, 255, 0.05);
    
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-serif: 'Cinzel', serif;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* --- 动态背景 --- */
.ambient-light {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -2;
    opacity: 0.6;
    animation: float 10s infinite ease-in-out;
}

.ambient-light.one {
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, var(--accent-primary), transparent);
}

.ambient-light.two {
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, #2d005f, transparent);
    animation-delay: -5s;
}

.grid-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    opacity: 0.15;
    mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(30px, 50px); }
}

/* --- 布局 --- */
.main-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 2rem;
}

@media (max-width: 850px) {
    .main-container { grid-template-columns: 1fr; }
}

/* --- 毛玻璃通用样式 --- */
.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

.glass-panel {
    background: rgba(15, 15, 20, 0.4);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-panel:hover {
    border-color: rgba(112, 0, 255, 0.3);
}

.glass-panel a {
    color: var(--accent-secondary); /* #00f0ff 霓虹蓝 */
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3); /* 柔和的光晕 */
    letter-spacing: 0.5px;
}

/* --- 侧边栏 --- */
.profile-card {
    position: sticky;
    top: 2rem;
    padding: 2.5rem;
    text-align: center;
    height: fit-content;
}

.avatar-container {
    width: 140px;
    height: 140px;
    margin: 0 auto 1.5rem;
    position: relative;
    padding: 5px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

.avatar-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--bg-dark);
}

.profile-header h1 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.profile-header .title {
    color: var(--accent-secondary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.social-links a {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin: 0 10px;
    transition: color 0.3s, transform 0.3s;
    display: inline-block;
}

.social-links a:hover {
    color: var(--text-main);
    transform: translateY(-3px);
}

.contact-mini {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* 可选：增加多行邮箱之间的间距 */
.contact-mini p {
    margin-bottom: 0.5rem; /* 每行邮箱之间隔开一点 */
}

/* 确保之前的样式依然生效 */
.contact-mini a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-mini a:hover {
    color: var(--text-main);
}

/* --- 内容区域 --- */
.section-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    color: var(--accent-secondary);
    font-size: 1rem;
}

.subtitle {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: auto;
    font-family: var(--font-body);
}

.text-content {
    color: #ccc;
    font-size: 1.05rem;
}

/* 招聘章节的特殊光效：微弱的紫色/蓝色呼吸灯边框 */
@keyframes border-pulse {
    0% { border-color: rgba(112, 0, 255, 0.3); box-shadow: 0 0 15px rgba(112, 0, 255, 0.1); }
    50% { border-color: rgba(0, 240, 255, 0.5); box-shadow: 0 0 25px rgba(0, 240, 255, 0.2); }
    100% { border-color: rgba(112, 0, 255, 0.3); box-shadow: 0 0 15px rgba(112, 0, 255, 0.1); }
}

.hiring-glow {
    animation: border-pulse 4s infinite ease-in-out;
    border-width: 2px; /* 比普通卡片边框稍微粗一点 */
}

/* 招聘按钮样式 */
.hiring-btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(135deg, var(--accent-primary), #4e00b3);
    color: #fff;
    font-weight: 600;
    border-radius: 30px; /* 圆角按钮 */
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(112, 0, 255, 0.3);
}

.hiring-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(112, 0, 255, 0.5);
    background: linear-gradient(135deg, #8a2be2, var(--accent-primary));
}

.hiring-btn i {
    margin-right: 8px;
}

/* 让加粗的关键词变成霓虹蓝，并带一点微光 */
#join-us-text strong {
    color: var(--accent-secondary); /* #00f0ff 霓虹蓝 */
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.3); /* 柔和的光晕 */
    letter-spacing: 0.5px;
}

/* 稍微增加该段落的行高和字号，让它读起来更像是一份邀请函 */
#join-us-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #e0e0e0; /* 比普通正文稍微亮一点 */
}

/* 强制招聘按钮内的文字为白色，去除霓虹光晕 */
#join-us-text .hiring-btn,
#join-us-text .hiring-btn strong,
#join-us-text .hiring-btn i {
    color: #ffffff !important;  /* 强制白色 */
    text-shadow: none !important; /* 去除霓虹光晕 */
}

/* --- News Timeline --- */
.timeline-item {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.timeline-item:last-child { border-bottom: none; }

.news-date {
    font-family: var(--font-heading);
    color: var(--accent-secondary);
    font-size: 0.85rem;
    min-width: 80px;
    padding-top: 3px;
}

.news-content {
    font-size: 0.95rem;
}

/* --- Experience --- */
.job-item {
    margin-bottom: 1.5rem;
}
.job-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.3rem;
}
.job-role { font-weight: 600; color: #fff; }
.job-year { color: var(--text-muted); font-size: 0.9rem; }
.job-company { color: var(--accent-primary); font-size: 0.95rem; }

/* --- Papers (Bibtex Render) --- */
.filter-bar {
    margin-bottom: 1.5rem;
}
.filter-bar button {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 5px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
}
.filter-bar button.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.paper-item {
    position: relative;
    padding: 1.2rem;
    background: var(--card-hover);
    border-radius: 12px;
    margin-bottom: 1rem;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.paper-item:hover {
    background: rgba(255,255,255,0.08);
    border-left-color: var(--accent-secondary);
    transform: translateX(5px);
}

/* 稍微调整一下标题，确保和年份搭配更和谐 */
.paper-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 0.5rem;
    line-height: 1.5;
    /* 移除之前的 padding-right，因为现在是自动环绕了 */
    padding-right: 0; 
}

.paper-authors {
    font-size: 0.9rem;
    color: #bbb;
    margin-bottom: 0.4rem;
}

/* Highlight user name */
.me {
    color: var(--accent-secondary);
    font-weight: 600;
}

.paper-venue {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-style: italic;
}


/* 新的年份样式：右浮动艺术字，文字会自动环绕，不再重叠 */
.paper-year {
    float: right;                /* 让年份浮动到右边 */
    font-family: var(--font-heading);
    font-size: 2.5rem;           /* 字体放大，更有冲击力 */
    font-weight: 700;
    color: var(--accent-secondary); /* 使用霓虹蓝 */
    opacity: 0.15;               /* 降低不透明度，不抢视觉重心 */
    line-height: 1;              /* 紧凑行高 */
    margin-left: 1rem;           /* 左边留出空隙 */
    margin-bottom: 0.5rem;       /* 下边留出空隙 */
    position: static;            /* !!! 重要：取消 absolute 定位 */
    pointer-events: none;        /* 鼠标穿透，不影响点击 */
}

/* --- 新增交互样式 --- */

/* 当卡片可以点击时，鼠标变为小手，并且边框发光更明显 */
.paper-item.clickable-paper {
    cursor: pointer;
}

.paper-item.clickable-paper:hover {
    border-left-color: var(--accent-secondary); /* 霓虹蓝 */
    box-shadow: 0 5px 20px rgba(0, 240, 255, 0.1);
}

/* --- 新增：独立的 Role 标签样式 --- */

.paper-role-container {
    margin-bottom: 0.6rem; /* 与下方作者名的间距 */
    display: flex;
    align-items: center;
}

.role-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase; /* 全大写看起来更像标签 */
    letter-spacing: 0.5px;
    
    /* 胶囊背景：深紫色背景，带一点透明度 */
    background: rgba(112, 0, 255, 0.15);
    color: #d8ccff; /* 浅紫色文字 */
    border: 1px solid rgba(112, 0, 255, 0.3); /* 细微描边 */
    
    padding: 4px 10px;
    border-radius: 12px; /* 圆角胶囊 */
    
    /* 增加一点发光感 */
    box-shadow: 0 2px 10px rgba(112, 0, 255, 0.05);
    transition: all 0.3s ease;
}

/* 悬停卡片时，标签稍微亮一点 */
.paper-item:hover .role-badge {
    background: rgba(112, 0, 255, 0.25);
    border-color: rgba(112, 0, 255, 0.5);
    color: #fff;
}

.role-badge i {
    font-size: 0.7rem;
    opacity: 0.7;
}

/* 链接小图标样式 */
.link-icon {
    font-size: 0.8rem;
    margin-left: 8px;
    color: var(--accent-secondary);
    opacity: 0.7;
    transition: opacity 0.3s;
    vertical-align: middle;
}

.paper-item:hover .link-icon {
    opacity: 1;
}

/* --- Footer --- */
.footer {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 1rem;
}

/* --- Footer Map 样式 --- */
.visitor-map-container {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    opacity: 0.7; /* 默认稍微透明一点，不抢视觉 */
    transition: opacity 0.3s ease;
}

.visitor-map-container:hover {
    opacity: 1; /* 鼠标放上去变亮 */
}

/* 针对图片做一些限制，防止在大屏上过大 */
.visitor-map-container img {
    max-width: 300px; /* 限制最大宽度 */
    height: auto;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2); /* 加点阴影 */
}