/* 用户页面专用样式 */
.user-profile-header {
    padding: 64px;
    background: linear-gradient(135deg, #0079d3, #00a8ff);
    color: white;
    margin-bottom: 0;
    border-radius: 12px 12px 0 0;
}

.user-header-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-avatar {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: bold;
}

.user-display-name {
    font-size: 28px;
    margin-bottom: 4px;
}

.user-username {
    opacity: 0.9;
    margin-bottom: 8px;
}

.user-join-date {
    opacity: 0.8;
    font-size: 14px;
}

.user-stats {
    padding: 16px;
    background: white;
    border-bottom: 1px solid #edeff1;
    display: flex;
    justify-content: space-around;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: #1c1c1e;
}

.stat-label {
    font-size: 12px;
    color: #878a8c;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-tabs {
    padding: 0;
    border-bottom: 1px solid #edeff1;
    background: white;
    margin: 10px 0 0 0;
}

.tab-list {
    display: flex;
    gap: 0;
}

.tab-link {
    padding: 12px 16px;
    border-bottom: 2px solid transparent;
    color: #7c7c83;
    text-decoration: none;
    font-weight: 500;
}

.tab-link.active {
    border-bottom-color: #0079d3;
    color: #0079d3;
}

.sort-options {
    padding: 12px 16px;
    background: white;
    border-bottom: 1px solid #edeff1;
    margin: 0 0 10px 0;
}

.sort-list {
    display: flex;
    gap: 12px;
    font-size: 12px;
}

.sort-label {
    color: #7c7c83;
}

.sort-link {
    color: #7c7c83;
    text-decoration: none;
    font-weight: 400;
}

.sort-link.active {
    color: #0079d3;
    font-weight: 700;
}

.user-content {
    padding: 0;
}

.empty-state {
    padding: 40px;
    text-align: center;
    color: #7c7c83;
}

.comment-item {
    padding: 16px;
    border-bottom: 1px solid #edeff1;
}

.comment-content {
    display: flex;
    gap: 8px;
}

.comment-main {
    flex: 1;
}

.comment-meta {
    margin-bottom: 8px;
    font-size: 12px;
    color: #7c7c83;
}

.comment-link {
    color: #0079d3;
}

.comment-text {
    color: #1a1a1b;
    line-height: 1.5;
}

.comment-actions {
    margin-top: 8px;
}

.comment-action {
    color: #7c7c83;
    font-size: 12px;
    text-decoration: none;
}

.pagination {
    padding: 16px;
    border-top: 1px solid #edeff1;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.pagination-info {
    padding: 8px 12px;
    color: #7c7c83;
    font-size: 12px;
}