/**
 * ambassador.css - 校园大使模块样式
 * 独立组件，可在其他项目中复用
 * 
 * 作者：之马工场
 * 创建日期：2026-01-28
 * 
 * 使用说明：
 * 1. 引入此CSS文件
 * 2. 如果项目没有定义下方CSS变量，请取消注释 :root 部分
 * 3. HTML结构参考：
 *    <div class="ambassador-section">
 *      <div class="ambassador-header">...</div>
 *      <div class="ambassador-grid">
 *        <div class="ambassador-card">
 *          <div class="ambassador-badge">1</div>
 *          <div class="ambassador-school">学校名称</div>
 *          <div class="ambassador-name"><svg>...</svg>姓名</div>
 *          <div class="ambassador-qrcode">
 *            <div class="qrcode-wrapper">
 *              <img src="qrcode.jpg" alt="扫码咨询">
 *              <span class="qrcode-tip">扫码咨询</span>
 *            </div>
 *          </div>
 *        </div>
 *      </div>
 *    </div>
 */

/* ========== CSS变量（如果项目已有可删除此部分） ========== */
/*
:root {
    --primary-color: #00d4aa;
    --accent-color: #6c5ce7;
    --bg-card: #ffffff;
    --border-color: #e5e7eb;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}
*/

/* ========== 校园大使区域容器 ========== */
.ambassador-section {
    padding: 32px 0;
}

.ambassador-section.with-border {
    border-top: 1px solid var(--border-color, #e5e7eb);
}

/* ========== 区域标题（可选） ========== */
.ambassador-header {
    text-align: center;
    margin-bottom: 32px;
}

.ambassador-header-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, rgba(108, 92, 231, 0.15) 0%, rgba(0, 212, 170, 0.15) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ambassador-header-icon svg {
    width: 32px;
    height: 32px;
    color: var(--accent-color, #6c5ce7);
}

.ambassador-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary, #1f2937);
    margin-bottom: 8px;
}

.ambassador-header p {
    color: var(--text-secondary, #6b7280);
    font-size: 1rem;
}

.ambassador-header .highlight-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color, #00d4aa);
}

/* ========== 卡片网格布局 ========== */
.ambassador-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
}

/* ========== 大使卡片 ========== */
.ambassador-card {
    position: relative;
    background: var(--bg-card, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-lg, 12px);
    padding: 24px 20px;
    text-align: center;
    transition: all var(--transition-normal, 0.3s ease);
    animation: ambassadorFadeInUp 0.5s ease-out both;
}

@keyframes ambassadorFadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ambassador-card:hover {
    border-color: var(--accent-color, #6c5ce7);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg, 0 10px 40px rgba(0, 0, 0, 0.1));
}

/* ========== 序号徽章 ========== */
.ambassador-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--accent-color, #6c5ce7) 0%, var(--primary-color, #00d4aa) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 2px 8px rgba(108, 92, 231, 0.3);
}

/* ========== 学校名称 ========== */
.ambassador-school {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary, #1f2937);
    margin-bottom: 8px;
    line-height: 1.4;
}

/* ========== 大使姓名 ========== */
.ambassador-name {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--text-secondary, #6b7280);
    margin-bottom: 16px;
}

.ambassador-name svg {
    width: 16px;
    height: 16px;
    color: var(--text-muted, #9ca3af);
}

/* ========== 二维码区域 ========== */
.ambassador-qrcode {
    margin-top: auto;
    display: flex;
    justify-content: center;
}

.qrcode-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.06) 0%, rgba(108, 92, 231, 0.06) 100%);
    border-radius: var(--radius-lg, 12px);
    transition: all var(--transition-normal, 0.3s ease);
}

.qrcode-wrapper img {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md, 8px);
    border: 2px solid transparent;
    background: #fff;
    padding: 4px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    object-fit: cover;
    transition: all var(--transition-normal, 0.3s ease);
}

.qrcode-wrapper .qrcode-tip {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted, #9ca3af);
    padding: 4px 12px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 999px;
    transition: all var(--transition-fast, 0.15s ease);
}

/* ========== 卡片悬停效果 ========== */
.ambassador-card:hover .qrcode-wrapper {
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.12) 0%, rgba(108, 92, 231, 0.12) 100%);
}

.ambassador-card:hover .qrcode-wrapper img {
    border-color: var(--primary-color, #00d4aa);
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(0, 212, 170, 0.2);
}

.ambassador-card:hover .qrcode-wrapper .qrcode-tip {
    background: linear-gradient(135deg, var(--primary-color, #00d4aa) 0%, var(--accent-color, #6c5ce7) 100%);
    color: #fff;
}

/* ========== 响应式布局 ========== */
@media (max-width: 640px) {
    .ambassador-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .ambassador-card {
        padding: 16px 12px;
    }
    
    .ambassador-school {
        font-size: 0.875rem;
    }
    
    .ambassador-badge {
        width: 24px;
        height: 24px;
        font-size: 0.625rem;
        top: -6px;
        right: -6px;
    }
    
    .qrcode-wrapper {
        padding: 8px;
    }
    
    .qrcode-wrapper img {
        width: 80px;
        height: 80px;
    }
}

@media (max-width: 400px) {
    .ambassador-grid {
        grid-template-columns: 1fr;
    }
}