<style>
/* 修复Chrome对齐问题 */
.stm_menu, .stm_menu * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    line-height: 1.2;
    vertical-align: middle;
}

/* 修复菜单项对齐 */
.stm_menu table {
    border-collapse: collapse;
    border-spacing: 0;
    table-layout: fixed;
}

.stm_menu td {
    padding: 0;
    text-align: center;
    vertical-align: middle;
    height: 30px; /* 统一高度 */
}

/* 修复分隔符对齐 */
.stm_menu .separator {
    width: 1px !important;
    padding: 0 2px !important;
}

/* 确保所有菜单项高度一致 */
.stm_menu a {
    display: block;
    height: 100%;
    line-height: 30px;
    text-decoration: none;
    padding: 0 10px;
    white-space: nowrap;
}

/* 修复子菜单对齐 */
.stm_menu iframe {
    display: block;
}

/* 改善字体渲染 */
.stm_menu {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: "SimSun", "宋体", Arial, sans-serif;
    font-size: 10pt;
}

/* 替代原有的滤镜发光效果 */
.stm_menu a {
    text-shadow: 0 0 2px rgba(0,0,0,0.3);
}
</style>