/* 基础链接 */
a {
    color: #1a73e8;
    text-decoration: none;
    position: relative;
    transition: color 0.2s ease, background-color 0.2s ease;
    border-radius: 4px;
    padding: 1px 0;
    margin: 0 2px;
}

a:hover {
    color: #1557b0;
    background-color: rgba(26, 115, 232, 0.08);
}

a:active {
    color: #0d3f8f;
    background-color: rgba(26, 115, 232, 0.15);
}

/* 邮件链接 */
a[href^="mailto:"] {
    color: #188038;
}

a[href^="mailto:"]:hover {
    color: #137333;
    background-color: rgba(24, 128, 56, 0.08);
}

a[href^="mailto:"]:active {
    color: #074e2b;
    background-color: rgba(14, 116, 110, 0.15);
}