/* --- CSS 变量定义 --- */
        :root {
            --primary-blue: #0f172a;
            --secondary-blue: #1e293b;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            background-color: #f8fafc;
            color: #1e293b;
            line-height: 1.6;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* --- Hero 头图区 --- */
        .page-hero {
            background: linear-gradient(135deg, #1e3a5f, #2c5983);
            color: #ffffff;
            padding: 80px 0;
            text-align: center;
            margin-bottom: 60px;
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .page-hero p {
            font-size: 18px;
            max-width: 650px;
            margin: 0 auto;
        }

        /* --- 统计数据模块 --- */
        .stats-section {
            display: flex;
            justify-content: center;
            gap: 60px;
            flex-wrap: wrap;
            margin: -30px 0 60px;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            background: #ffffff;
            padding: 24px 40px;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            text-align: center;
            min-width: 150px;
            border: 1px solid #e2e8f0;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: #2563eb;
            display: block;
        }

        .stat-label {
            font-size: 14px;
            color: #64748b;
            font-weight: 500;
        }

        /* --- 通用标题样式（含简介） --- */
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-title h2 {
            font-size: 32px;
            font-weight: 700;
            color: #0f172a;
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #2563eb, #0f172a);
            border-radius: 2px;
        }

        .section-title .sub-desc {
            font-size: 16px;
            color: #64748b;
            max-width: 650px;
            margin: 16px auto 0;
            line-height: 1.6;
        }

        /* --- 未来展会卡片网格 --- */
        .future-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 32px;
            margin-bottom: 80px;
        }

        .event-card {
            background: #ffffff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
            border: 1px solid #e9eef3;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
            border-color: #cbd5e1;
        }

        .event-card .card-image {
            height: 200px;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 60px;
            color: #94a3b8;
            position: relative;
        }

        .event-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .event-card .card-image .badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: #2563eb;
            color: white;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .event-card .card-content {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-card .card-content h3 {
            font-size: 20px;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 12px;
        }

        .event-card .card-content .event-meta {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-bottom: 16px;
            font-size: 14px;
            color: #475569;
        }

        .event-card .card-content .event-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .event-card .card-content .event-meta .meta-item svg {
            flex-shrink: 0;
            color: #2563eb;
        }

        .event-card .card-content .booth-number {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #eef2ff;
            color: #1d4ed8;
            font-weight: 600;
            font-size: 14px;
            padding: 4px 16px;
            border-radius: 30px;
            margin-bottom: 16px;
            align-self: flex-start;
        }

        .event-card .card-content .booth-number svg {
            flex-shrink: 0;
            color: #2563eb;
        }

        .btn-appointment {
            display: inline-block;
            padding: 10px 24px;
            background: #2563eb;
            color: #ffffff;
            border-radius: 40px;
            font-weight: 600;
            font-size: 14px;
            text-decoration: none;
            text-align: center;
            transition: all 0.2s ease;
            align-self: flex-start;
            border: none;
            cursor: pointer;
        }

        .btn-appointment:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.2);
        }

        /* --- 往期展会网格 --- */
        .past-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }

        .past-card {
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #e9eef3;
            transition: all 0.3s ease;
        }

        .past-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
        }

        .past-card .past-image {
            height: 160px;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 40px;
            color: #94a3b8;
        }

        .past-card .past-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .past-card .past-content {
            padding: 20px;
        }

        .past-card .past-content h4 {
            font-size: 18px;
            font-weight: 600;
            color: #0f172a;
            margin-bottom: 6px;
        }

        .past-card .past-content .past-date {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #94a3b8;
            margin-top: 4px;
        }

        .past-card .past-content .past-date svg {
            flex-shrink: 0;
            color: #94a3b8;
        }

        /* ========= 图片展示（无文字介绍） ========= */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 24px;
            margin-bottom: 60px;
        }

        .gallery-item {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid #e9eef3;
            background: #ffffff;
            transition: all 0.3s ease;
        }

        .gallery-item:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
        }

        .gallery-item .gallery-img {
            height: 220px;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            color: #94a3b8;
        }

        .gallery-item .gallery-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========= 展会FAQ折叠模块 ========= */
        .faq-section {
            max-width: 900px;
            margin: 0 auto 80px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid #e9eef3;
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .faq-item:hover {
            border-color: #cbd5e1;
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: #0f172a;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background 0.2s ease;
            gap: 16px;
        }

        .faq-question:hover {
            background: #f8fafc;
        }

        .faq-question .chevron-icon {
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-question.active .chevron-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 24px;
            background: #fafcff;
        }

        .faq-answer.active {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: #475569;
            line-height: 1.6;
        }

        /* --- 页脚 --- */
        .footer-note {
            text-align: center;
            padding: 32px 0;
            border-top: 1px solid #e2e8f0;
            font-size: 14px;
            color: #94a3b8;
        }

        /* --- 响应式优化 --- */
        @media (max-width: 768px) {
            .page-hero {
                padding: 60px 0;
                margin-bottom: 40px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .stats-section {
                gap: 16px;
                margin-top: -20px;
            }
            .stat-item {
                padding: 16px 24px;
                min-width: 120px;
            }
            .stat-number {
                font-size: 28px;
            }
            .section-title h2 {
                font-size: 26px;
            }
            .section-title .sub-desc {
                font-size: 14px;
                padding: 0 16px;
            }
            .future-grid {
                grid-template-columns: 1fr;
            }
            .gallery-grid {
                grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
                gap: 16px;
            }
            .gallery-item .gallery-img {
                height: 160px;
            }
            .faq-question {
                font-size: 15px;
                padding: 14px 18px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }
            .stats-section {
                flex-direction: column;
                align-items: center;
            }
            .gallery-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .gallery-item .gallery-img {
                height: 140px;
            }
        }

        /* ===== 修复 Past Highlights 手机端重叠 ===== */

/* 确保卡片内部使用 Flex 列布局，避免内容溢出 */
.past-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* 图片区域固定高度，防止被内容挤压 */
.past-card .past-image {
    flex-shrink: 0;
    height: 160px;
    overflow: hidden;
}

.past-card .past-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 文字内容区域独立，允许自动撑开 */
.past-card .past-content {
    flex: 1;
    padding: 16px 18px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: #ffffff;
}

/* 标题文字处理：长文本自动换行，不溢出 */
.past-card .past-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 6px;
    line-height: 1.4;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
}

.past-card .past-content h4 a {
    color: inherit;
    text-decoration: none;
    display: block;
}

/* 日期始终在底部 */
.past-card .past-content .past-date {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #94a3b8;
    flex-shrink: 0;
}

/* ===== 手机端专项修复 ===== */
@media (max-width: 768px) {
    .past-grid {
        gap: 16px;
    }

    .past-card .past-image {
        height: 140px;
    }

    .past-card .past-content {
        padding: 14px 16px;
    }

    .past-card .past-content h4 {
        font-size: 14px;
        line-height: 1.4;
        /* 限制最多显示2行，超出省略号 */
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .past-card .past-content h4 a {
        white-space: normal;
        word-break: break-word;
    }

    .past-card .past-content .past-date {
        font-size: 12px;
        margin-top: 8px;
        padding-top: 8px;
        border-top: 1px solid #f1f5f9;
    }
}

@media (max-width: 480px) {
    .past-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .past-card .past-image {
        height: 180px;
    }
}