/* 立即加入 CTA Banner */
        .alumni-cta {
            background: linear-gradient(135deg, #1a3a52 0%, #427096 100%);
            border-radius: 10px;
            padding: 36px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 40px;
        }

        .alumni-cta-text h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .alumni-cta-text p {
            font-size: 14px;
            color: rgba(255,255,255,.80);
            line-height: 1.75;
            margin: 0;
        }

        .btn-join-alumni {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: #fff;
            color: #004c99;
            font-size: 15px;
            font-weight: 700;
            font-family: inherit;
            border: none;
            border-radius: 7px;
            cursor: pointer;
            text-decoration: none;
            transition: background 0.18s, box-shadow 0.18s;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .btn-join-alumni:hover {
            background: #ddeaf5;
            box-shadow: 0 4px 16px rgba(0,0,0,.18);
            color: #004c99;
            text-decoration: none;
        }

        .btn-join-alumni svg {
            width: 17px;
            height: 17px;
            flex-shrink: 0;
        }

        /* 統計數字列 */
        .alumni-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-bottom: 40px;
        }

        .alumni-stat-card {
            text-align: center;
            background: #f8fafc;
            border: 1px solid #e5eaf0;
            border-radius: 10px;
            padding: 24px 12px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .alumni-stat-card:hover {
            border-color: #427096;
            box-shadow: 0 4px 14px rgba(66,112,150,.10);
        }

        .alumni-stat-num {
            font-size: 32px;
            font-weight: 700;
            color: #004c99;
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .alumni-stat-unit {
            font-size: 14px;
            color: #427096;
            font-weight: 600;
        }

        .alumni-stat-label {
            font-size: 13px;
            color: #888;
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .alumni-stats { grid-template-columns: repeat(2, 1fr); }
            .alumni-cta { padding: 24px 22px; flex-direction: column; align-items: flex-start; }
            .btn-join-alumni { width: 100%; justify-content: center; }
        }

        @media (max-width: 480px) {
            .alumni-stats { grid-template-columns: 1fr 1fr; gap: 10px; }
            .alumni-stat-num { font-size: 26px; }
        }