* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Noto Sans SC', sans-serif;
    background: linear-gradient(135deg, #e6f7ff 0%, #f0f9ff 100%);
    color: #333;
    line-height: 1.5;
    min-height: 100vh;
    padding: 15px;
}
.page-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}
.info-panel {
    background: white;
    width: 250px;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,100,200,0.05);
    position: sticky;
    top: 15px;
    height: fit-content;
}
.avatar-box {
    width: 120px;
    height: 120px;
    margin: 0 auto 15px;
    border-radius: 50%;
    padding: 4px;
    background: linear-gradient(135deg, #3498db, #2ecc71);
    position: relative;
}
.avatar {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid white;
}
.avatar-status {
    position: absolute;
    bottom: 8px;
    right: 8px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid white;
}
.avatar-status-offline { background: #bdbdbd; }
.avatar-status-online { background: #4caf50; }
.avatar-status-afk { background: #ff9800; }
.avatar-status-busy { background: #f44336; }
.chinese-name {
    font-size: 1.8rem;
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3px;
    font-weight: 600;
}
.english-name {
    text-align: center;
    color: #7f8c8d;
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.nickname {
    text-align: center;
    color: #e74c3c;
    font-size: 0.95rem;
    margin-bottom: 20px;
}
.info-section {
    margin: 18px 0;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}
.info-section:last-child { border-bottom: none; }
.info-section h3 {
    color: #2c3e50;
    font-size: 1rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    font-weight: 600;
}
.info-section h3 i {
    margin-right: 8px;
    color: #3498db;
}
.info-section p { margin: 5px 0; font-size: 0.9rem; }
.small-text { font-size: 0.85rem; color: #95a5a6; }
.status-badge {
    position: fixed;
    top: 15px;
    right: 15px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 3px 8px rgba(0,0,0,0.1);
    user-select: none;
}
.status-badge:hover { transform: translateY(-2px); }
.status-offline { background: #e0e0e0; color: #757575; }
.status-online { background: #e8f5e9; color: #2e7d32; border: 2px solid #4caf50; }
.status-afk { background: #fff3e0; color: #f57c00; border: 2px solid #ff9800; }
.status-busy { background: #ffebee; color: #c62828; border: 2px solid #f44336; }
.content-area { flex: 1; min-width: 300px; }
.content-block {
    background: white;
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,100,200,0.05);
    margin-bottom: 20px;
}
.content-block h2 {
    color: #2c3e50;
    border-left: 4px solid #3498db;
    padding-left: 12px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    font-size: 1.4rem;
}
.content-block h2 i { margin-right: 10px; color: #3498db; }
.content-block p { margin: 12px 0; font-size: 0.95rem; }
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
    margin-top: 12px;
}
.info-item {
    background: #f8fafc;
    padding: 12px;
    border-radius: 10px;
}
.info-item strong { display: block; color: #2c3e50; margin-bottom: 5px; }
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}
.skill-tag {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}
.skill-tag.cpp { background: #e8f4f8; color: #2980b9; }
.skill-tag.python { background: #e8f6f3; color: #27ae60; }
.skill-tag.web { background: #fef9e7; color: #f39c12; }
.project-card {
    background: #f8fafc;
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 15px;
    border-left: 4px solid #3498db;
}
.project-card h3 { color: #2c3e50; margin-bottom: 5px; }
.project-date {
    background: #e3f2fd;
    color: #1976d2;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    display: inline-block;
    margin-bottom: 8px;
}
.goal-list { list-style: none; padding-left: 0; }
.goal-list li {
    margin: 10px 0;
    padding: 10px 12px;
    background: #f1f8e9;
    border-radius: 8px;
    display: flex;
    align-items: center;
}
.goal-list i { color: #4caf50; margin-right: 10px; }
.site-footer {
    text-align: center;
    color: #7f8c8d;
    font-size: 0.85rem;
    margin-top: 25px;
    padding-top: 15px;
    border-top: 1px solid #ddd;
}
.update-time { color: #95a5a6; font-size: 0.8rem; margin-top: 3px; }
@media (max-width: 850px) {
    .page-container { flex-direction: column; }
    .info-panel { width: 100%; position: static; }
    .info-grid { grid-template-columns: 1fr; }
}