/*
 * 复禾健康风格组件CSS系统
 * 文件：fh21_components.css
 * 描述：包含按钮、表单、卡片、分页等具体组件样式
 */

/* ==================== 按钮组件 ==================== */

/* 主按钮样式 */
.fh21-btn {
    display: inline-block;
    padding: 8px 20px;
    font-size: 14px;
    line-height: 1.5;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 4px;
    transition: all 0.3s;
    text-decoration: none;
}

/* 蓝色主按钮 */
.fh21-btn-primary {
    color: #fff;
    background-color: #007cff;
    border-color: #007cff;
}

.fh21-btn-primary:hover {
    background-color: #0066d6;
    border-color: #0066d6;
    color: #fff;
}

/* 白色边框按钮 */
.fh21-btn-outline {
    color: #007cff;
    background-color: transparent;
    border-color: #007cff;
}

.fh21-btn-outline:hover {
    color: #fff;
    background-color: #007cff;
    border-color: #007cff;
}

/* 灰色按钮 */
.fh21-btn-secondary {
    color: #666;
    background-color: #f5f5f5;
    border-color: #ddd;
}

.fh21-btn-secondary:hover {
    background-color: #e6e6e6;
    border-color: #ccc;
}

/* 按钮大小 */
.fh21-btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

.fh21-btn-lg {
    padding: 12px 30px;
    font-size: 16px;
}

/* ==================== 表单组件 ==================== */

/* 表单组 */
.fh21-form-group {
    margin-bottom: 15px;
}

.fh21-form-label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
    color: #333;
}

/* 输入框 */
.fh21-form-input {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: border-color 0.3s;
}

.fh21-form-input:focus {
    border-color: #007cff;
    outline: 0;
}

/* 文本区域 */
.fh21-form-textarea {
    min-height: 100px;
    resize: vertical;
}

/* 选择框 */
.fh21-form-select {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* 复选框和单选框 */
.fh21-form-check {
    display: inline-block;
    margin-right: 15px;
    cursor: pointer;
}

.fh21-form-check-input {
    margin-right: 5px;
    vertical-align: middle;
}

.fh21-form-check-label {
    font-size: 14px;
    color: #333;
    vertical-align: middle;
}

/* ==================== 卡片组件 ==================== */

/* 基础卡片 */
.fh21-card {
    background-color: #fff;
    border: 1px solid #eee;
    border-radius: 4px;
    overflow: hidden;
    transition: box-shadow 0.3s;
}

.fh21-card:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* 卡片头部 */
.fh21-card-header {
    padding: 15px;
    border-bottom: 1px solid #eee;
    background-color: #fafafa;
}

.fh21-card-title {
    margin: 0;
    font-size: 18px;
    color: #333;
}

/* 卡片内容 */
.fh21-card-body {
    padding: 15px;
}

/* 卡片底部 */
.fh21-card-footer {
    padding: 15px;
    border-top: 1px solid #eee;
    background-color: #fafafa;
}

/* ==================== 分页组件（补充） ==================== */

/* 分页容器 */
.fh21-pagination {
    text-align: center;
    padding: 14px 0;
    clear: both;
}

.fh21-pagination p {
    display: inline;
}

/* 分页链接 */
.fh21-pagination a {
    font-size: 16px;
    padding: 9px 16px;
    color: #666;
    line-height: 20px;
    border: 1px solid #e1e1e1;
    margin-right: 5px;
    display: inline-block;
    text-decoration: none;
    transition: all 0.3s;
}

.fh21-pagination a:hover {
    font-size: 16px;
    padding: 9px 16px;
    line-height: 20px;
    border: 1px solid #4d9df5;
    background: #4d9df5;
    color: #fff;
    margin-right: 5px;
}

.fh21-pagination .current {
    font-size: 16px;
    padding: 9px 16px;
    line-height: 20px;
    border: 1px solid #4d9df5;
    background: #4d9df5;
    color: #fff;
    margin-right: 5px;
}

/* 分页更多 */
.fh21-pagination-more {
    color: #999;
    padding: 9px 16px;
}

/* ==================== 标签组件 ==================== */

/* 标签 */
.fh21-tag {
    display: inline-block;
    padding: 2px 8px;
    font-size: 12px;
    line-height: 1.5;
    color: #007cff;
    background-color: rgba(0, 124, 255, 0.1);
    border: 1px solid rgba(0, 124, 255, 0.2);
    border-radius: 2px;
    margin-right: 5px;
    margin-bottom: 5px;
}

.fh21-tag:hover {
    background-color: rgba(0, 124, 255, 0.2);
    text-decoration: none;
}

/* 标签颜色变体 */
.fh21-tag-success {
    color: #52c41a;
    background-color: rgba(82, 196, 26, 0.1);
    border-color: rgba(82, 196, 26, 0.2);
}

.fh21-tag-warning {
    color: #faad14;
    background-color: rgba(250, 173, 20, 0.1);
    border-color: rgba(250, 173, 20, 0.2);
}

.fh21-tag-danger {
    color: #ff4d4f;
    background-color: rgba(255, 77, 79, 0.1);
    border-color: rgba(255, 77, 79, 0.2);
}

/* ==================== 警告框 ==================== */

.fh21-alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.fh21-alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.fh21-alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

.fh21-alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeeba;
}

.fh21-alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

/* ==================== 面包屑导航 ==================== */

.fh21-breadcrumb {
    padding: 10px 0;
    margin-bottom: 20px;
    font-size: 14px;
    color: #666;
}

.fh21-breadcrumb a {
    color: #007cff;
    text-decoration: none;
}

.fh21-breadcrumb a:hover {
    text-decoration: underline;
}

.fh21-breadcrumb .separator {
    margin: 0 8px;
    color: #ccc;
}

.fh21-breadcrumb .current {
    color: #333;
}

/* ==================== 工具提示 ==================== */

.fh21-tooltip {
    position: relative;
    display: inline-block;
}

.fh21-tooltip .fh21-tooltip-text {
    visibility: hidden;
    width: 120px;
    background-color: #333;
    color: #fff;
    text-align: center;
    border-radius: 4px;
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 125%;
    left: 50%;
    margin-left: -60px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 12px;
}

.fh21-tooltip .fh21-tooltip-text::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #333 transparent transparent transparent;
}

.fh21-tooltip:hover .fh21-tooltip-text {
    visibility: visible;
    opacity: 1;
}

/* ==================== 轮播图组件 ==================== */

/* 轮播图容器 - 使用宽高比保持比例 */
.fh21-slider {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background-color: #f5f5f5;
    margin-bottom: 30px;
    box-sizing: border-box;
    display: block;
    width: 100%;
    max-width: 100%;
    /* 16:9 宽高比 (400/680 ≈ 0.588) */
    padding-top: 58.8235%;
    height: 0;
}

.fh21-slider-inner {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    max-width: 100%;
    display: flex;
    transition: transform 0.5s ease;
    box-sizing: border-box;
}

/* 轮播图项 */
.fh21-slider-item {
    flex: 0 0 100%;
    position: relative;
    height: 100%;
    max-height: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.fh21-slider-item a {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.fh21-slider-item img {
    width: 100%;
    height: 100%;
    max-width: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
    vertical-align: middle;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor;
    transition: opacity 0.3s ease;
    /* 初始状态 */
    opacity: 0.9;
}

/* 图片加载完成后 */
.fh21-slider-item img.loaded {
    opacity: 1;
}

/* 轮播图标题 */
.fh21-slider-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: white;
    padding: 20px;
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
}

/* 轮播图指示器（如果需要） */
.fh21-slider-indicators {
    position: absolute;
    bottom: 15px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 10;
}

.fh21-slider-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    margin: 0 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.fh21-slider-indicator.active {
    background-color: #007cff;
}

/* 轮播图导航按钮（如果需要） */
.fh21-slider-prev,
.fh21-slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border: none;
    outline: none;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-family: inherit;
    cursor: pointer;
    z-index: 10;
    transition: background-color 0.3s;
}

.fh21-slider-prev:hover,
.fh21-slider-next:hover {
    background-color: rgba(0, 124, 255, 0.8);
}

.fh21-slider-prev {
    left: 15px;
}

.fh21-slider-next {
    right: 15px;
}

/* 响应式调整 */
@media (max-width: 767px) {
    .fh21-slider {
        height: 300px;
        padding-top: 0;
        height: 300px;
    }

    .fh21-slider-item {
        max-height: 300px;
    }

    .fh21-slider-item img {
        /* 移动端可考虑使用 contain 避免图片裁剪过多 */
        object-fit: cover;
    }

    .fh21-slider-title {
        padding: 15px;
        font-size: 16px;
    }

    .fh21-slider-prev,
    .fh21-slider-next {
        width: 35px;
        height: 35px;
        font-size: 18px;
    }
}

@media (max-width: 575px) {
    .fh21-slider {
        height: 250px;
        padding-top: 0;
        height: 250px;
    }

    .fh21-slider-item {
        max-height: 250px;
    }

    .fh21-slider-item img {
        /* 超小屏幕确保图片适应 */
        object-fit: cover;
    }

    .fh21-slider-title {
        padding: 10px;
        font-size: 14px;
    }
}