/* ════════════════════════════════════
   活动中心（/events/）
   复用 style.css 的 .page-hero / .section-label
   全站规范：0 圆角 / 图标无背景 / 卡片无上浮
   ════════════════════════════════════ */

.ev-section {
    padding: 80px 0;
}

/* ─── 状态徽章 ─── */
.ev-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
}

.ev-badge--live {
    color: #10B981;
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.ev-badge--soon {
    color: #F59E0B;
    background: rgba(245, 158, 11, 0.08);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

/* ─── 空状态占位 ─── */
.ev-empty {
    text-align: center;
    padding: 48px 24px;
    border: 1px dashed #d3dbe8;
    background: #fbfcfe;
}

.ev-empty-icon {
    font-size: 36px;
    color: #b6c2d6;
    margin-bottom: 14px;
    line-height: 1;
}

.ev-empty h4 {
    font-size: 17px;
    font-weight: 700;
    color: #374151;
    margin-bottom: 8px;
}

.ev-empty p {
    font-size: 14px;
    color: #9ca3af;
    margin-bottom: 16px;
}

/* ─── ① 近期活动 ─── */
.ev-recent-card {
    background: #fff;
    border: 1px solid #e8edf5;
    padding: 24px;
    transition: box-shadow 0.25s, border-color 0.25s;
}

.ev-recent-card:hover {
    box-shadow: 0 12px 32px rgba(22, 93, 255, 0.08);
    border-color: #c8d8ff;
}

.ev-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 12px;
}

.ev-date {
    font-size: 13px;
    color: #9ca3af;
}

.ev-recent-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.ev-recent-card p {
    font-size: 13px;
    line-height: 1.7;
    color: #6b7280;
    margin-bottom: 16px;
}

/* ─── ② 往期回顾（时间线） ─── */
.ev-timeline {
    max-width: 720px;
    margin: 0 auto;
    position: relative;
}

.ev-tl-item {
    display: flex;
    gap: 24px;
    position: relative;
    padding-bottom: 32px;
}

.ev-tl-item:last-child {
    padding-bottom: 0;
}

.ev-tl-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 27px;
    top: 62px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, rgba(22, 93, 255, 0.25), rgba(139, 92, 246, 0.2));
}

.ev-tl-node {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid rgba(22, 93, 255, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #165DFF;
    background: #fff;
    position: relative;
    z-index: 1;
}

.ev-tl-body {
    padding-top: 6px;
    flex: 1;
}

.ev-tl-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 6px;
}

.ev-tl-date {
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.05em;
    color: #165DFF;
}

.ev-tl-tag {
    font-size: 11px;
    font-weight: 700;
    padding: 2px 10px;
    color: #8B5CF6;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.18);
}

.ev-tl-body h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.ev-tl-body p {
    font-size: 14px;
    line-height: 1.7;
    color: #6b7280;
    margin-bottom: 0;
    max-width: 520px;
}

/* ─── ③ 参与方式 ─── */
.ev-way-card {
    background: #fff;
    border: 1px solid #e8edf5;
    padding: 28px;
    transition: box-shadow 0.25s, border-color 0.25s;
}

.ev-way-card:hover {
    box-shadow: 0 12px 32px rgba(22, 93, 255, 0.08);
    border-color: #c8d8ff;
}

/* 图标使用全站统一样式：方形 flex 容器 + 大字号 + 无背景 */
.ev-way-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #165DFF;
    margin-bottom: 16px;
}

.ev-way-card h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.ev-way-card p {
    font-size: 14px;
    line-height: 1.7;
    color: #6b7280;
    margin-bottom: 16px;
}

.ev-way-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    font-weight: 600;
    color: #165DFF;
    text-decoration: none;
}

.ev-way-link:hover {
    color: #0e4fd6;
}

/* ─── 响应式（对齐全站 section 间隔） ─── */
@media (max-width: 992px) {
    .ev-section {
        padding: 60px 0;
    }
}

@media (max-width: 768px) {
    .ev-section {
        padding: 48px 0;
    }
}

@media (max-width: 576px) {
    .ev-tl-item {
        gap: 16px;
    }
    .ev-tl-node {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
    .ev-tl-item:not(:last-child)::after {
        left: 23px;
    }
}