:root {
    --primary: #3b82f6; /*#2563eb 这个颜色就是 #3b82f6 对应的深色版本*/
    --dark: #333;
    --gray: #666;
    --border: #eee;
    --border-radius: 8px;
    --box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}


.user-mian {
    margin: 0 auto;
    width: 100%;
    max-width: 100%;
}

.user-container {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    margin: 0 auto;
    padding: 30px;
    margin-bottom: 20px;
}

.user-title {
    font-size: 18px;
    margin-bottom: 10px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(25, 152, 255, 0.15);
    outline: none;
}

.btn-user {
    width: 50%;
    padding: 10px 20px;
    margin: auto;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: block; /* 添加这行 */
}


.btn-user-edit-profile {
    width: 100%;
    width: auto;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-user:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.btn-primary-user {
    background: var(--primary);
    color: white;
}

.btn-primary-user:hover {
    background: #3b82f6;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn-default-user {
    background: #f0f0f0;
    color: var(--dark);
    border-radius: var(--border-radius);
}

.btn-default-user:hover {
    background: #e0e0e0;
}

.form-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--gray);
}

.form-footer a {
    color: var(--primary);
    text-decoration: none;
}

.form-footer a:hover {
    text-decoration: none;
    color: #2563eb; /* 悬停时改变颜色来提供视觉反馈 */
}

/* 头像上传样式 - 优化版本 */
.avatar-section {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
}

.avatar-preview {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 15px auto;
    border: 3px solid #e9ecef;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.avatar-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-preview-tip {
    text-align: center;
    margin: 15px 0;
    color: #ff6b6b;
    font-size: 12px;
    background: #fff2f2;
    padding: 8px 15px;
    border-radius: 4px;
    border: 1px solid #ffebee;
    display: inline-block;
}

.avatar-upload {
    margin-top: 15px;
}

.avatar-upload-btn {
    background: #3b82f6;
    color: white;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    display: inline-block;
    font-size: 14px;
    transition: var(--transition);
    border: none;
}

.avatar-upload-btn:hover {
    background: #2563eb;
    text-decoration: none;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

/* 表单验证样式 */
.is-invalid {
    border-color: #dc3545;
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 80%;
    color: #dc3545;
}

/* 邮箱自动补全下拉菜单样式 */
.email-autocomplete-dropdown {
    position: absolute;
    width: 100%;
    max-height: 200px;
    overflow-y: auto;
    background-color: #fff;
    border: 1px solid #ddd;
    border-top: none;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    z-index: 1000;
}

.email-option {
    padding: 8px 15px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.email-option:hover, .email-option.active {
    background-color: #f5f5f5;
    color: #333;
}

/* 字符计数器样式 */
.char-counter {
    text-align: right;
    font-size: 12px;
    color: #6c757d;
    margin-top: 5px;
}

/* 超出字符限制的计数器颜色 */
.char-counter.text-danger {
    color: #dc3545;
}

/* 分页容器 */
.user-pagination-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
}

.user-pagination-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 15px;
    background: #f0f7ff;
    color: #3b82f6;
    border-radius: var(--border-radius);
    text-decoration: none;
    transition: var(--transition);
}

.user-pagination-info {
    margin: 0 15px;
    color: var(--gray);
}

.user-next-btn .fa-angle-right {
    margin-left: 5px;  /* 左边距，让箭头与文字有间隔 */
}

.user-prev-btn .fa-angle-left {
    margin-right: 5px;  /* 右边距，让箭头与文字有间隔 */
}

.social-login {
    margin: 20px 0;
    text-align: center;
}
.social-login p {
    color: #666;
    margin-bottom: 15px;
    position: relative;
}
.social-login p:before, .social-login p:after {
    content: "";
    display: inline-block;
    height: 1px;
    width: 100px;
    background: #e6e6e6;
    position: relative;
    top: -4px;
    margin: 0 10px;
}
/* QQ登录按钮 */
.btn-qq {
    background-color: #12B7F5;
    color: #fff;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    font-size: 20px;
}
.btn-qq:hover {
    background-color: #0e9ad0;
    transform: translateY(-2px);
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
}

/* QQ账号绑定样式 */
.qq-account-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.qq-bind-status {
    background: #f8f9fa;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.qq-bind-info {
    display: flex;
    align-items: center;
}

.qq-bind-info i {
    font-size: 24px;
    color: #12b7f5;
    margin-right: 10px;
}

.qq-bind-btn {
    padding: 6px 15px;
    border-radius: 4px;
    cursor: pointer;
    border: none;
    font-size: 14px;
    transition: var(--transition);
}

.qq-bind-btn.bind {
    background: #409eff;
    color: #fff;
}

.qq-bind-btn.bind:hover {
    background: #337ab7;
}

.qq-bind-btn.unbind {
    background: #f56c6c;
    color: #fff;
}

.qq-bind-btn.unbind:hover {
    background: #e74c3c;
}

.qq-bind-description {
    background: #f8f9fa;
    border-radius: 4px;
    padding: 15px;
}

.qq-bind-description h4 {
    margin-top: 0;
    font-size: 16px;
    margin-bottom: 10px;
}

.qq-bind-description ul {
    margin: 0;
    padding-left: 20px;
}

.qq-bind-info h4 {
    margin: 0;
    font-size: 16px;
}

.qq-bind-info p {
    margin: 5px 0 0 0;
    color: #666;
}


/* 用户列表样式 */
.user-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.user-list-item {
    padding: 15px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
}

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

.user-list-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px;
}

.user-list-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-list-info {
    flex: 1;
}

.user-list-name {
    font-weight: 500;
    font-size: 16px;
    margin-bottom: 5px;
}

.user-list-bio {
    font-size: 13px;
    color: var(--gray);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-list-action {
    margin-left: 15px;
}

.follow-btn {
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.follow-btn.following {
    background: #f0f0f0;
    color: var(--gray);
}

.follow-btn.not-following {
    background: var(--primary);
    color: white;
}

.follow-btn:hover {
    transform: translateY(-2px);
}

.follow-btn.mutual {
    background: #f0f0f0;
    color: var(--gray);
}




/* 工具类 */
.d-flex {
    display: flex;
}

.align-center {
    align-items: center;
}

.space-between {
    justify-content: space-between;
}

.text-gray {
    color: var(--gray);
}

.text-dark {
    color: var(--dark);
    text-decoration: none;
}

.text-dark:hover {
    color: var(--primary);
}



/* 用户协议同意区域样式 */
.terms-agreement {
    margin-bottom: 1.5rem;
    padding: 15px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
    border: 1px solid #e9ecef;
}

.terms-agreement .d-flex {
    align-items: flex-start;
}

.terms-agreement input[type="checkbox"] {
    margin-top: 3px;
    margin-right: 8px;
    flex-shrink: 0;
}

.terms-label {
    display: inline !important;
    margin: 0 !important;
    font-size: 13px;
    line-height: 1.5;
    color: var(--gray);
}

.terms-label a {
    color: var(--primary);
    text-decoration: none;
}

.terms-label a:hover {
    color: #0056b3; /* 悬停时改变颜色来提供视觉反馈 */
    text-decoration: none; /* 悬停时也不显示下划线 */
}


/* 出生年月日容器 */
.birth-year-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.birth-year-container .form-control {
    flex: 1;
}

/* 年龄显示卡片样式 - 橙黄色 */
.age-display-card {
    padding: 10px 13px;
    background: linear-gradient(135deg, #ffa726 0%, #ff9800 100%);
    color: white;
    border-radius: 6px;
    font-size: 13px;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 6px rgba(255, 152, 0, 0.3);
    transition: var(--transition);
    white-space: nowrap;
}

.age-display-card i {
    margin-right: 6px;
    font-size: 14px;
}

.age-display-card:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
}

/* 标签容器样式 */
.label-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.label-tip {
    font-size: 12px;
    color: #999;
    font-weight: normal;
    margin: 0;
    margin-bottom: 8px;
}

/* 输入框容器样式 */
.input-wrapper {
    position: relative;
    width: 100%;
}

.input-wrapper .form-control {
    padding-right: 40px; /* 为图标预留空间 */
}

.toggle-password {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #a0a0a0;
    cursor: pointer;
    font-size: 16px;
    transition: color 0.2s ease;
}

.toggle-password:hover {
    color: var(--primary);
}


/* 登录方式切换标签 */
.login-tabs {
    display: flex;
    margin-bottom: 30px;
    background: #f8f9fa;
    border-radius: var(--border-radius);
    padding: 4px;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
}

.login-tab {
    flex: 1;
    padding: 12px 0;
    text-align: center;
    border-radius: calc(var(--border-radius) - 2px);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
    color: var(--gray);
}

.login-tab.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}

.login-tab:not(.active):hover {
    background: #e9ecef;
    color: var(--dark);
}

/* 扫码登录样式 */
.qr-login-content {
    text-align: center;
    display: block;
}

.qr-code-box {
    width: 200px;
    height: 200px;
    margin: 20px auto;
    border: 2px solid var(--border);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: #fafafa;
    transition: var(--transition);
}

.qr-code-box.loading {
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(59,130,246,0.1);
}

.qr-code-box.success {
    border-color: #10b981;
    box-shadow: 0 0 20px rgba(16,185,129,0.1);
}

.qr-code-box.error {
    border-color: #ef4444;
    box-shadow: 0 0 20px rgba(239,68,68,0.1);
}

.qr-code-box canvas {
    border-radius: calc(var(--border-radius) - 4px);
}

.qr-status {
    margin: 15px 0;
    font-size: 14px;
    min-height: 20px;
    font-weight: 500;
}

.qr-status.success {
    color: #10b981;
}

.qr-status.error {
    color: #ef4444;
}

.qr-status.loading {
    color: var(--primary);
}

.qr-expire-time {
    font-size: 12px;
    color: #9ca3af;
    margin-bottom: 15px;
    display: none;
}

.qr-refresh-btn {
    padding: 10px 20px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
    font-weight: 500;
    display: none; /* 改回none，让JavaScript控制显示 */
    margin: 0 auto; /* 居中样式 */
}


.qr-refresh-btn:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

/* APP下载提示框 - 重新设计 */
.app-download-hint {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}


.app-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.app-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-info {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.app-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
    margin: 0 0 5px 0;
    line-height: 1.2;
    text-align: left;
}

.app-intro {
    font-size: 13px;
    color: var(--gray);
    margin: 0;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-align: left;
}

.app-download-action {
    flex-shrink: 0;
}

.download-app-btn {
    background: var(--primary);
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
}

.download-app-btn:hover {
    background: #2563eb;
    color: white;
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.download-app-btn i {
    margin-right: 6px;
    font-size: 14px;
}

/* 扫码提示步骤 */
.qr-tips {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9ff;
    border-radius: var(--border-radius);
    text-align: left; /* 整个提示区域左对齐 */
}

.qr-tips h4 {
    margin: 0 0 10px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
}

.qr-tips-list {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 13px;
    color: var(--gray);
    line-height: 1.6;
}

.qr-tips-list li {
    margin-bottom: 5px;
    padding-left: 20px;
    position: relative;
}

.qr-tips-list li:before {
    content: "•";
    color: var(--primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* 账号密码登录样式 */
.password-login-content {
    display: none;
}

.login-content {
    min-height: 320px;
}

/* QQ登录按钮样式调整 */
.social-login {
    margin: 25px 0 20px 0;
}

.social-login p {
    margin-bottom: 15px;
    font-size: 13px;
}


/* 响应式调整 */
@media (max-width: 768px) {
    .user-container {
        width: 100%;
        padding: 20px 15px;
        border-radius: 0;
        box-shadow: none;
    }
    
    /* 头像区域移动端适配 */
    .avatar-section {
        margin-bottom: 25px;
        padding: 15px 0;
    }
    
    .avatar-preview {
        width: 100px;
        height: 100px;
        margin: 0 auto 12px auto;
    }
    
    .avatar-preview-tip {
        margin: 12px 0;
        font-size: 11px;
        padding: 6px 12px;
    }
    
    .avatar-upload {
        margin-top: 12px;
    }
    
    .avatar-upload-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    /* 分页按钮样式 - 让按钮换行显示 */
    .user-pagination-container {
        flex-direction: row;
        flex-wrap: wrap; /* 允许元素换行 */
        justify-content: center;
        gap: 10px; /* 按钮之间的间距 */
    }
    
    .user-pagination-info {
        width: 100%; /* 让信息占据整行 */
        text-align: center;
        margin: 5px 0;
        order: -1; /* 让信息显示在最上面 */
    }
    
    .user-pagination-btn {
        margin: 5px 0; /* 设置上下边距 */
    }
    
    .form-control {
        padding: 8px 12px;
    }
    
    .btn-user {
        padding: 10px 15px;
    }
    
    .user-title {
        font-size: 16px;
    }
    
    .form-group label {
        font-size: 14px;
    }
    
    .user-list-item {
        padding: 12px 15px;
    }
    
    .user-list-avatar {
        width: 40px;
        height: 40px;
    }
    
    .user-list-name {
        font-size: 14px;
    }
    
    .user-list-bio {
        font-size: 12px;
    }
    
    /* QQ绑定区域移动端适配 */
    .qq-bind-status {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .qq-bind-btn {
        align-self: stretch;
        text-align: center;
    }
    .terms-agreement {
        padding: 12px;
        margin-bottom: 1.2rem;
    }
    
    .terms-label {
        font-size: 12px;
    }
    .social-login p:before, .social-login p:after {
        width: 50px; /* 减少横线宽度 */
        margin: 0 8px; /* 减少间距 */
    }
    
    .birth-year-container {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .age-display-card {
        font-size: 12px;
        padding: 6px 10px;
        justify-content: center;
    }
    .label-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .label-tip {
        font-size: 11px;
    }
    
    
    .app-download-hint {
        gap: 12px;
    }
    
    .app-icon {
        width: 50px;
        height: 50px;
        border-radius: 10px;
    }
    
    .app-name {
        font-size: 15px;
        text-align: left;
    }
    
    .app-intro {
        font-size: 12px;
        -webkit-line-clamp: 1;
        text-align: left;
    }
    
    .download-app-btn {
        padding: 8px 16px;
        font-size: 13px;
    }
    
    .qr-tips {
        padding: 12px;
        margin-top: 15px;
        text-align: left; /* 移动端也保持左对齐 */
    }
    
    .qr-tips h4 {
        text-align: left; /* 移动端标题左对齐 */
    }
    
    .qr-tips-list {
        text-align: left; /* 移动端列表左对齐 */
    }
    
    .qr-tips-list li {
        text-align: left; /* 移动端列表项左对齐 */
    }
    
    .login-tab {
        padding: 10px 0;
        font-size: 13px;
    }
    
    /* 修复验证码获取按钮布局 */
    .form-group .d-flex {
        flex-direction: column !important;
        gap: 10px;
    }
    
    .form-group .d-flex .form-control {
        margin-right: 0 !important;
        margin-bottom: 0;
        flex: none !important;
    }
    
    .form-group .d-flex .btn-default-user {
        width: 100% !important;
        margin: 0;
        padding: 10px 15px;
    }
}