.ax-container {
            width: 100%;
            max-width: 960px;
            margin: 0 auto;
            background: #fff;
            min-height: 100vh;
            margin-top:30px;
        }

        /* 1. Logo区 */
        .ax-logo {
            font-size: 32px;
            padding: 15px;
            color: #000;
            display: inline-flex;
            align-items: center;
            text-decoration: none; /* 去掉下划线 */
        }

        .ax-logo_img {
            display: block;
            max-width: 100%;
            height: auto;
        }
        /* 2. 顶部可点击展开的选择栏 */
        .ax-top-toggle {
            padding: 15px;
            background: #e0e0e0;
            margin-bottom: 10px;
        }
        /* 切换按钮：热门国家/地区 */
        .ax-toggle-btn {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 24px;
            color: #333;
            cursor: pointer;
        }

            .ax-toggle-btn .small {
                font-size: 16px;
                color: #666;
                display: block;
            }

            .ax-toggle-btn .arrow {
                font-size: 18px;
                transition: transform 0.3s;
            }

                .ax-toggle-btn .arrow.rotate {
                    transform: rotate(180deg);
                }

        /* 3. 展开内容区（默认隐藏） */
        .ax-expand-content {
            margin-top: 15px;
            display: none;
        }
        /* 热门国家区域 */
        .ax-hot-countries {
            margin-bottom: 20px;
        }

            .ax-hot-countries .title,
            .ax-hot-cities .title {
                font-size: 18px;
                font-weight: 600;
                color: #333;
                margin-bottom: 15px;
            }
        /* 热门国家网格（4列） */
        .ax-country-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px 8px;
        }
        /* 热门城市网格（5列） */
        .ax-city-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px 10px;
        }
        /* 国家/城市选项 */
        .ax-country-item,
        .ax-city-item {
            font-size: 16px;
            color: #333;
            padding: 10px 8px;
            text-align: center;
            border-radius: 6px;
            cursor: pointer;
        }

            .ax-country-item.active,
            .ax-city-item.active {
                background: #e8f4ff;
                color: #0066cc;
            }

            .ax-country-item:hover,
            .ax-city-item:hover {
                background: #f5f5f5;
            }
            /* 城市不可选时的样式 */
            .ax-city-item.disabled {
                background: #f0f0f0;
                color: #999;
                cursor: not-allowed;
            }

        /* 4. 学校列表 */
        .ax-school-list {
            padding: 0 10px;
        }

        .ax-school-card {
            display: flex;
            gap: 15px;
            padding: 10px;
            border: 1px solid #f0f0f0;
            border-radius: 8px;
            margin-bottom: 10px;
            background: #fff;
        }

        .ax-school-img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            border-radius: 4px;
        }

        .ax-school-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }

        .ax-school-name-cn {
            font-size: 20px;
            font-weight: 600;
            color: #000;
        }

        .ax-school-name-en {
            font-size: 18px;
            color: #333;
        }

        .ax-school-age {
            font-size: 16px;
            color: #666;
        }