/* ===== 基础样式（保留原有风格） ===== */
    .aox-contact-section {
        width: 90%;
        margin: 0 auto;
        padding: 2rem 1.5rem;
        font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, sans-serif;
        color: #1a2c3e;
        line-height: 1.4;
    }

    .aox-contact-section * {
        box-sizing: border-box;
    }

    .aox-contact-section .contact-card {
        width: 100%;
        background: #ffffff;
        border-radius: 2rem;
        box-shadow: 0 25px 45px -12px rgba(0, 0, 0, 0.2), 0 4px 12px rgba(0, 0, 0, 0.03);
        overflow: hidden;
        transition: box-shadow 0.2s ease;
    }

    .aox-contact-section .contact-card:hover {
        box-shadow: 0 30px 55px -15px rgba(0, 0, 0, 0.25);
    }

    .aox-contact-section .card-header {
        padding: 2.5rem 2rem 1.8rem 2rem;
        text-align: center;
        background: #ffffff;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .aox-contact-section .card-header h1 {
        font-size: 2.8rem;
        font-weight: 500;
        letter-spacing: -0.02em;
        color: #1A55D5;
        margin: 0;
        display: inline-block;
    }

    .aox-contact-section .contact-list {
        display: flex;
        flex-direction: row;
        padding: 1.8rem 1rem 2.2rem 1rem;
    }

    .aox-contact-section .contact-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        padding: 1.5rem 1rem;
        border-right: 1px solid #eef2f5;
        transition: all 0.25s cubic-bezier(0.2, 0, 0, 1);
        border-radius: 1rem;
    }

    .aox-contact-section .contact-item:last-child {
        border-right: none;
    }

    .aox-contact-section .contact-item:hover {
        background-color: #fafcff;
        transform: translateY(-2px);
    }

    .aox-contact-section .item-header {
        display: flex;
        align-items: center;
        gap: 0.9rem;
        margin-bottom: 0.7rem;
    }

    .aox-contact-section .icon-wrapper {
        width: 48px;
        height: 48px;
        background: linear-gradient(125deg, #eef6fc, #e2edf7);
        border-radius: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #1A55D5;
        font-size: 1.5rem;
        transition: all 0.2s;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
        flex-shrink: 0;
    }

    .aox-contact-section .contact-item:hover .icon-wrapper {
        background: #1A55D5;
        color: white;
        transform: scale(1.02);
        box-shadow: 0 8px 18px -6px rgba(26, 85, 213, 0.3);
    }

    .aox-contact-section .role-title {
        font-size: 1.3rem;
        font-weight: 600;
        color: #132e42;
        letter-spacing: -0.3px;
        white-space: nowrap;
    }

    /* ===== 邮箱区域居中适配（核心改动） ===== */
    .aox-contact-section .email-area {
        display: flex;
        flex-direction: column;
        align-items: center; /* 使子元素（邮箱按钮和辅助说明）水平居中 */
        gap: 0.5rem;
        width: 100%; /* 确保占满父容器宽度，以便居中生效 */
    }

    .aox-contact-section .email-link {
        display: inline-flex;
        align-items: center;
        justify-content: center; /* 保证按钮内部图标和文字也居中 */
        gap: 0.65rem;
        background: #f8fafd;
        padding: 0.65rem 1.2rem;
        border-radius: 60px;
        font-size: 1rem;
        font-weight: 500;
        color: #1A55D5;
        text-decoration: none;
        border: 1px solid #e2edf5;
        transition: all 0.2s ease;
        backdrop-filter: blur(2px);
        word-break: break-all;
        white-space: normal;
        min-height: 44px;
        max-width: 100%;
    }

    .aox-contact-section .email-link i {
        font-size: 1.5rem;
        color: #1A55D5;
        transition: transform 0.15s;
        flex-shrink: 0;
    }

    .aox-contact-section .email-link:hover {
        background: #1A55D5;
        border-color: #1A55D5;
        color: white;
        box-shadow: 0 6px 12px -8px rgba(0, 0, 0, 0.2);
        transform: translateY(-1px);
    }

    .aox-contact-section .email-link:hover i {
        color: white;
    }

    .aox-contact-section .email-text {
        font-family: 'Inter', monospace;
        font-size: 1.1rem;
        letter-spacing: -0.2px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 100%;
    }

    .aox-contact-section .helper-note {
        font-size: 1.0rem;
        color: #8aa0b0;
        display: inline-flex;
        align-items: center;
        gap: 0.3rem;
        flex-wrap: wrap;
        justify-content: center; /* 使辅助说明文字也居中 */
    }

    /* ========================================
               📱 移动端适配（优化版）
               ======================================== */

    /* --- 平板 & 小屏笔记本 (≤1024px) --- */
    @media (max-width: 1024px) {
        .aox-contact-section .contact-list {
            flex-wrap: wrap;
        }
        .aox-contact-section .contact-item {
            flex: 1 1 45%;
            border-right: none;
        }
        .aox-contact-section .contact-item:nth-child(2) {
            border-right: none;
        }
        .aox-contact-section .contact-item:last-child {
            flex: 1 1 100%;
        }
    }

    /* --- 大屏手机 & 小平板 (≤768px) --- */
    @media (max-width: 768px) {
        .aox-contact-section {
            width: 95%;
            padding: 1.2rem 0.8rem;
        }

        .aox-contact-section .card-header {
            padding: 1.8rem 1.2rem 1.4rem 1.2rem;
        }

        .aox-contact-section .card-header h1 {
            font-size: 2.0rem;
        }

        .aox-contact-section .contact-list {
            flex-direction: column;
            padding: 1rem 0.8rem 1.5rem 0.8rem;
            gap: 0.25rem;
        }

        .aox-contact-section .contact-item {
            flex: 1 1 100%;
            border-right: none;
            border-bottom: 1px solid #eef2f5;
            padding: 1.2rem 0.75rem;
            border-radius: 0.75rem;
        }

        .aox-contact-section .contact-item:last-child {
            border-bottom: none;
        }

        .aox-contact-section .contact-item:hover {
            transform: none;
        }

        .aox-contact-section .role-title {
            font-size: 1.05rem;
            white-space: normal;
            word-break: break-word;
        }

        .aox-contact-section .email-area {
            width: 100%;
            align-items: center;
        }

        .aox-contact-section .email-link {
            padding: 0.6rem 1rem;
            font-size: 0.92rem;
            width: auto; /* 在平板上根据内容自适应宽度，保持居中 */
            max-width: 100%;
            min-height: 44px;
            justify-content: center;
        }

        .aox-contact-section .email-text {
            font-size: 0.92rem;
            white-space: nowrap;
        }

        .aox-contact-section .icon-wrapper {
            width: 44px;
            height: 44px;
            font-size: 1.3rem;
        }

        .aox-contact-section .helper-note {
            font-size: 0.85rem;
        }
    }

    /* --- 小屏手机 (≤480px) --- */
    @media (max-width: 480px) {
        .aox-contact-section {
            width: 100%;
            padding: 0.8rem 0.5rem;
        }

        .aox-contact-section .contact-card {
            border-radius: 1.25rem;
        }

        .aox-contact-section .card-header {
            padding: 1.4rem 0.8rem 1.0rem 0.8rem;
        }

        .aox-contact-section .card-header h1 {
            font-size: 1.5rem;
            letter-spacing: -0.01em;
        }

        .aox-contact-section .contact-list {
            padding: 0.6rem 0.4rem 1.2rem 0.4rem;
            gap: 0.1rem;
        }

        .aox-contact-section .contact-item {
            padding: 1.0rem 0.5rem;
        }

        .aox-contact-section .item-header {
            gap: 0.6rem;
            margin-bottom: 0.4rem;
            flex-wrap: wrap;
        }

        .aox-contact-section .role-title {
            font-size: 0.92rem;
            font-weight: 600;
        }

        .aox-contact-section .email-area {
            width: 100%;
            gap: 0.4rem;
            align-items: center;
        }

        .aox-contact-section .email-link {
            padding: 0.45rem 0.85rem;
            font-size: 0.82rem;
            gap: 0.45rem;
            min-height: 40px;
            border-radius: 40px;
            width: 100%; /* 在小屏手机上占满宽度，方便点击 */
            justify-content: center; /* 按钮内部内容居中 */
        }

        .aox-contact-section .email-link i {
            font-size: 1.2rem;
        }

        .aox-contact-section .email-text {
            font-size: 0.82rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: calc(100% - 2rem);
        }

        .aox-contact-section .icon-wrapper {
            width: 38px;
            height: 38px;
            font-size: 1.1rem;
            border-radius: 28px;
        }

        .aox-contact-section .helper-note {
            font-size: 0.75rem;
            gap: 0.2rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .aox-contact-section .helper-note i {
            font-size: 0.8rem;
        }
    }

    /* --- 极窄屏 (≤360px) 额外保护 --- */
    @media (max-width: 360px) {
        .aox-contact-section .card-header h1 {
            font-size: 1.3rem;
        }

        .aox-contact-section .role-title {
            font-size: 0.82rem;
        }

        .aox-contact-section .email-link {
            font-size: 0.75rem;
            padding: 0.4rem 0.65rem;
        }

        .aox-contact-section .email-text {
            font-size: 0.75rem;
        }

        .aox-contact-section .icon-wrapper {
            width: 34px;
            height: 34px;
            font-size: 0.95rem;
        }
    }

    /* ===== 触摸优化 ===== */
    .aox-contact-section .email-link {
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(26, 85, 213, 0.15);
    }

    .aox-contact-section .email-link:active {
        transform: scale(0.97);
        background: #e8f0fe;
    }

    .aox-contact-section .contact-item {
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }

    /* ===== 暗色/高对比度辅助（可选） ===== */
    @media (prefers-contrast: high) {
        .aox-contact-section .card-header h1 {
            color: #0d3b8c;
        }
        .aox-contact-section .email-link {
            border-color: #1A55D5;
        }
    }

    /* ===== 打印样式 ===== */
    @media print {
        .aox-contact-section .contact-card {
            box-shadow: none !important;
            border: 1px solid #ddd;
        }
        .aox-contact-section .email-link {
            background: transparent !important;
            border-color: #aaa !important;
            color: #1a2c3e !important;
        }
        .aox-contact-section .email-link i {
            color: #1a2c3e !important;
        }
        .aox-contact-section .contact-item:hover {
            background: transparent !important;
            transform: none !important;
        }
    }