@font-face {
    font-family: 'icomoon';
    src:url('../fonts/icomoon.eot');
    src:url('../fonts/icomoon.eot@#iefix') format('embedded-opentype'),
        url('../fonts/icomoon.woff') format('woff'),
        url('../fonts/icomoon.ttf') format('truetype'),
        url('../fonts/icomoon.svg#icomoon') format('svg');
    font-weight: normal;
    font-style: normal;
}

/* Common styles of menus */
/* 原来：
 width: 100%;
 max-width: 270px;
 改为：	max-width: 100%;
 则横向满屏菜单

float: right;
top:0;//按钮和下拉菜单总体距离最顶端的像素数.
right:0px;
padding-top: 46px;//下拉菜单总体距离最顶端的像素数. 原来45，变为46后展开菜单可以有1个像素的缝隙
不能在代码中用//注释  
*/

.dl-menuwrapper {
    width: 100%;
    float:right;
    position: absolute;
    top:0px;
    right:0px;
    padding-top: 70px; /* 数值过大，如76，则打开后的菜单区域头部过低，到账漏出下面的内容 */
    z-index: 9999;
    -webkit-perspective: 1000px;
    -moz-perspective: 1000px;
    perspective: 1000px;
    -webkit-perspective-origin: 50% 200%;
    -moz-perspective-origin: 50% 200%;
    perspective-origin: 50% 200%;
    z-index: 9999; /* 确保按钮在上层 */
}

.dl-menuwrapper:first-child {
    margin-right: 100px;
}

/*background: url(../images/header-bg.png) repeat-x bottom left;*/
/* 菜单按钮样式 */
.dl-menuwrapper button {
    border: none;
    width: 40px;
    height: 40px;
    text-indent: -900em;
    overflow: hidden;
    position: absolute;
    top:15px;
    right:20px;
    cursor: pointer;
    outline: none;
    /* 清除原有背景图 */
    background: none;
    z-index: 10000; /* 确保按钮在最上层 */
}
/* 绘制三条横线（汉堡菜单图标） */
.dl-menuwrapper button::before,
.dl-menuwrapper button::after,
.dl-menuwrapper button span {
    content: '';
    position: absolute;
    left: 5px;
    width: 30px;
    height: 4px;
    background: #333; /* 图标颜色，可以根据需要调整 */
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 中间的横线 */
.dl-menuwrapper button span {
    top: 18px;
}

/* 上面的横线 */
.dl-menuwrapper button::before {
    top: 8px;
}

/* 下面的横线 */
.dl-menuwrapper button::after {
    bottom: 8px;
}

/* 菜单打开时（添加 .dl-active 类）变成 X 图标 */
.dl-menuwrapper button.dl-active::before {
    transform: rotate(45deg);
    top: 18px;
}

.dl-menuwrapper button.dl-active::after {
    transform: rotate(-45deg);
    bottom: 18px;
}

.dl-menuwrapper button.dl-active span {
    opacity: 0; /* 隐藏中间的横线 */
}
/*background: url(../images/header-bg.png) repeat-x bottom left;
        background-color: #9a9a9a;
        /*background-color: 代表按钮激活时的底图颜色*/
.dl-menuwrapper button:hover ,
.dl-menuwrapper button.dl-active {
    background-color: #e5e5e5;
}

.dl-menuwrapper ul {
    background: #ffffff;
}




.dl-menuwrapper ul {
    padding: 0;
    list-style: none;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

.dl-menuwrapper li {
    position: relative;
}

.dl-menuwrapper li a {
    display: block;
    position: relative;
    padding: 3px 0px;
    font-size: 14px;
    line-height: 14px;
    font-weight: 300;
    text-align:center;
    color: #888888;
    border-top: 0px solid;
    /*border-bottom:1px solid;*/
    border-color:#eeeeee;
    outline: none;
}

.no-touch .dl-menuwrapper li a:hover {
    background: rgba(255,248,213,0.1);
}

.dl-menuwrapper li.dl-back > a {
    padding-left: 30px;
    background: rgba(0,0,0,0.1);
}

.dl-menuwrapper li.dl-back:after,
.dl-menuwrapper li > a:not(:only-child):after {
    position: absolute;
    top: 0;
    line-height: 16px;
    font-family: 'icomoon';
    speak: none;
    -webkit-font-smoothing: antialiased;
    content: "\e000";
}


.dl-menuwrapper li.dl-back:after {
    left: 10px;
    color: rgba(138, 138, 138, 0.8);
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    transform: rotate(180deg);
}

.dl-menuwrapper li > a:after {
    right: 10px;
    color: rgba(138, 138, 138, 0.8);
}

.dl-menuwrapper .dl-menu {
    margin: 5px 0 0 0;
    position: absolute;
    width: 100%;
    opacity: 0;
    pointer-events: none;
    -webkit-transform: translateY(10px);
    -moz-transform: translateY(10px);
    transform: translateY(10px);
    -webkit-backface-visibility: hidden;
    -moz-backface-visibility: hidden;
    backface-visibility: hidden;
}

.dl-menuwrapper .dl-menu.dl-menu-toggle {
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.dl-menuwrapper .dl-menu.dl-menuopen {
    opacity: 1;
    pointer-events: auto;
    -webkit-transform: translateY(0px);
    -moz-transform: translateY(0px);
    transform: translateY(0px);
}

/* Hide the inner submenus */
.dl-menuwrapper li .dl-submenu {
    display: none;
}

/* 
When a submenu is openend, we will hide all li siblings.
For that we give a class to the parent menu called "dl-subview".
We also hide the submenu link. 
The opened submenu will get the class "dl-subviewopen".
All this is done for any sub-level being entered.
*/
.dl-menu.dl-subview li,
.dl-menu.dl-subview li.dl-subviewopen > a,
.dl-menu.dl-subview li.dl-subview > a {
    display: none;
}

.dl-menu.dl-subview li.dl-subview,
.dl-menu.dl-subview li.dl-subview .dl-submenu,
.dl-menu.dl-subview li.dl-subviewopen,
.dl-menu.dl-subview li.dl-subviewopen > .dl-submenu,
.dl-menu.dl-subview li.dl-subviewopen > .dl-submenu > li {
    display: block;
}

/* Dynamically added submenu outside of the menu context */
.dl-menuwrapper > .dl-submenu {
    position: absolute;
    width: 100%;
    top: 50px;
    left: 0;
    margin: 0;

}

/* Animation classes for moving out and in */

.dl-menu.dl-animate-out-1 {
    -webkit-animation: MenuAnimOut1 0.4s;
    -moz-animation: MenuAnimOut1 0.4s;
    animation: MenuAnimOut1 0.4s;
}

.dl-menu.dl-animate-out-2 {
    -webkit-animation: MenuAnimOut2 0.3s ease-in-out;
    -moz-animation: MenuAnimOut2 0.3s ease-in-out;
    animation: MenuAnimOut2 0.3s ease-in-out;
}

.dl-menu.dl-animate-out-3 {
    -webkit-animation: MenuAnimOut3 0.4s ease;
    -moz-animation: MenuAnimOut3 0.4s ease;
    animation: MenuAnimOut3 0.4s ease;
}

.dl-menu.dl-animate-out-4 {
    -webkit-animation: MenuAnimOut4 0.4s ease;
    -moz-animation: MenuAnimOut4 0.4s ease;
    animation: MenuAnimOut4 0.4s ease;
}

.dl-menu.dl-animate-out-5 {
    -webkit-animation: MenuAnimOut5 0.4s ease;
    -moz-animation: MenuAnimOut5 0.4s ease;
    animation: MenuAnimOut5 0.4s ease;
}

@-webkit-keyframes MenuAnimOut1 {
    50% {
        -webkit-transform: translateZ(-250px) rotateY(30deg);
    }
    75% {
        -webkit-transform: translateZ(-372.5px) rotateY(15deg);
        opacity: .5;
    }
    100% {
        -webkit-transform: translateZ(-500px) rotateY(0deg);
        opacity: 0;
    }
}

@-webkit-keyframes MenuAnimOut2 {
    100% {
        -webkit-transform: translateX(-100%);
        opacity: 0;
    }
}

@-webkit-keyframes MenuAnimOut3 {
    100% {
        -webkit-transform: translateZ(300px);
        opacity: 0;
    }
}

@-webkit-keyframes MenuAnimOut4 {
    100% {
        -webkit-transform: translateZ(-300px);
        opacity: 0;
    }
}

@-webkit-keyframes MenuAnimOut5 {
    100% {
        -webkit-transform: translateY(40%);
        opacity: 0;
    }
}

@-moz-keyframes MenuAnimOut1 {
    50% {
        -moz-transform: translateZ(-250px) rotateY(30deg);
    }
    75% {
        -moz-transform: translateZ(-372.5px) rotateY(15deg);
        opacity: .5;
    }
    100% {
        -moz-transform: translateZ(-500px) rotateY(0deg);
        opacity: 0;
    }
}

@-moz-keyframes MenuAnimOut2 {
    100% {
        -moz-transform: translateX(-100%);
        opacity: 0;
    }
}

@-moz-keyframes MenuAnimOut3 {
    100% {
        -moz-transform: translateZ(300px);
        opacity: 0;
    }
}

@-moz-keyframes MenuAnimOut4 {
    100% {
        -moz-transform: translateZ(-300px);
        opacity: 0;
    }
}

@-moz-keyframes MenuAnimOut5 {
    100% {
        -moz-transform: translateY(40%);
        opacity: 0;
    }
}

@keyframes MenuAnimOut1 {
    50% {
        transform: translateZ(-250px) rotateY(30deg);
    }
    75% {
        transform: translateZ(-372.5px) rotateY(15deg);
        opacity: .5;
    }
    100% {
        transform: translateZ(-500px) rotateY(0deg);
        opacity: 0;
    }
}

@keyframes MenuAnimOut2 {
    100% {
        transform: translateX(-100%);
        opacity: 0;
    }
}

@keyframes MenuAnimOut3 {
    100% {
        transform: translateZ(300px);
        opacity: 0;
    }
}

@keyframes MenuAnimOut4 {
    100% {
        transform: translateZ(-300px);
        opacity: 0;
    }
}

@keyframes MenuAnimOut5 {
    100% {
        transform: translateY(40%);
        opacity: 0;
    }
}

.dl-menu.dl-animate-in-1 {
    -webkit-animation: MenuAnimIn1 0.3s;
    -moz-animation: MenuAnimIn1 0.3s;
    animation: MenuAnimIn1 0.3s;
}

.dl-menu.dl-animate-in-2 {
    -webkit-animation: MenuAnimIn2 0.3s ease-in-out;
    -moz-animation: MenuAnimIn2 0.3s ease-in-out;
    animation: MenuAnimIn2 0.3s ease-in-out;
}

.dl-menu.dl-animate-in-3 {
    -webkit-animation: MenuAnimIn3 0.4s ease;
    -moz-animation: MenuAnimIn3 0.4s ease;
    animation: MenuAnimIn3 0.4s ease;
}

.dl-menu.dl-animate-in-4 {
    -webkit-animation: MenuAnimIn4 0.4s ease;
    -moz-animation: MenuAnimIn4 0.4s ease;
    animation: MenuAnimIn4 0.4s ease;
}

.dl-menu.dl-animate-in-5 {
    -webkit-animation: MenuAnimIn5 0.4s ease;
    -moz-animation: MenuAnimIn5 0.4s ease;
    animation: MenuAnimIn5 0.4s ease;
}

@-webkit-keyframes MenuAnimIn1 {
    0% {
        -webkit-transform: translateZ(-500px) rotateY(0deg);
        opacity: 0;
    }
    20% {
        -webkit-transform: translateZ(-250px) rotateY(30deg);
        opacity: 0.5;
    }
    100% {
        -webkit-transform: translateZ(0px) rotateY(0deg);
        opacity: 1;
    }
}

@-webkit-keyframes MenuAnimIn2 {
    0% {
        -webkit-transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        -webkit-transform: translateX(0px);
        opacity: 1;
    }
}

@-webkit-keyframes MenuAnimIn3 {
    0% {
        -webkit-transform: translateZ(300px);
        opacity: 0;
    }
    100% {
        -webkit-transform: translateZ(0px);
        opacity: 1;
    }
}

@-webkit-keyframes MenuAnimIn4 {
    0% {
        -webkit-transform: translateZ(-300px);
        opacity: 0;
    }
    100% {
        -webkit-transform: translateZ(0px);
        opacity: 1;
    }
}

@-webkit-keyframes MenuAnimIn5 {
    0% {
        -webkit-transform: translateY(40%);
        opacity: 0;
    }
    100% {
        -webkit-transform: translateY(0);
        opacity: 1;
    }
}

@-moz-keyframes MenuAnimIn1 {
    0% {
        -moz-transform: translateZ(-500px) rotateY(0deg);
        opacity: 0;
    }
    20% {
        -moz-transform: translateZ(-250px) rotateY(30deg);
        opacity: 0.5;
    }
    100% {
        -moz-transform: translateZ(0px) rotateY(0deg);
        opacity: 1;
    }
}

@-moz-keyframes MenuAnimIn2 {
    0% {
        -moz-transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        -moz-transform: translateX(0px);
        opacity: 1;
    }
}

@-moz-keyframes MenuAnimIn3 {
    0% {
        -moz-transform: translateZ(300px);
        opacity: 0;
    }
    100% {
        -moz-transform: translateZ(0px);
        opacity: 1;
    }
}

@-moz-keyframes MenuAnimIn4 {
    0% {
        -moz-transform: translateZ(-300px);
        opacity: 0;
    }
    100% {
        -moz-transform: translateZ(0px);
        opacity: 1;
    }
}

@-moz-keyframes MenuAnimIn5 {
    0% {
        -moz-transform: translateY(40%);
        opacity: 0;
    }
    100% {
        -moz-transform: translateY(0);
        opacity: 1;
    }
}

@keyframes MenuAnimIn1 {
    0% {
        transform: translateZ(-500px) rotateY(0deg);
        opacity: 0;
    }
    20% {
        transform: translateZ(-250px) rotateY(30deg);
        opacity: 0.5;
    }
    100% {
        transform: translateZ(0px) rotateY(0deg);
        opacity: 1;
    }
}

@keyframes MenuAnimIn2 {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0px);
        opacity: 1;
    }
}

@keyframes MenuAnimIn3 {
    0% {
        transform: translateZ(300px);
        opacity: 0;
    }
    100% {
        transform: translateZ(0px);
        opacity: 1;
    }
}

@keyframes MenuAnimIn4 {
    0% {
        transform: translateZ(-300px);
        opacity: 0;
    }
    100% {
        transform: translateZ(0px);
        opacity: 1;
    }
}

@keyframes MenuAnimIn5 {
    0% {
        transform: translateY(40%);
        opacity: 0;
    }
    100% {
        transform: translateY(0);
        opacity: 1;
    }
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-1 {
    -webkit-animation: SubMenuAnimIn1 0.4s ease;
    -moz-animation: SubMenuAnimIn1 0.4s ease;
    animation: SubMenuAnimIn1 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-2 {
    -webkit-animation: SubMenuAnimIn2 0.3s ease-in-out;
    -moz-animation: SubMenuAnimIn2 0.3s ease-in-out;
    animation: SubMenuAnimIn2 0.3s ease-in-out;
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-3 {
    -webkit-animation: SubMenuAnimIn3 0.4s ease;
    -moz-animation: SubMenuAnimIn3 0.4s ease;
    animation: SubMenuAnimIn3 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-4 {
    -webkit-animation: SubMenuAnimIn4 0.4s ease;
    -moz-animation: SubMenuAnimIn4 0.4s ease;
    animation: SubMenuAnimIn4 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-in-5 {
    -webkit-animation: SubMenuAnimIn5 0.4s ease;
    -moz-animation: SubMenuAnimIn5 0.4s ease;
    animation: SubMenuAnimIn5 0.4s ease;
}

@-webkit-keyframes SubMenuAnimIn1 {
    0% {
        -webkit-transform: translateX(50%);
        opacity: 0;
    }
    100% {
        -webkit-transform: translateX(0px);
        opacity: 1;
    }
}

@-webkit-keyframes SubMenuAnimIn2 {
    0% {
        -webkit-transform: translateX(100%);
        opacity: 0;
    }
    100% {
        -webkit-transform: translateX(0px);
        opacity: 1;
    }
}

@-webkit-keyframes SubMenuAnimIn3 {
    0% {
        -webkit-transform: translateZ(-300px);
        opacity: 0;
    }
    100% {
        -webkit-transform: translateZ(0px);
        opacity: 1;
    }
}

@-webkit-keyframes SubMenuAnimIn4 {
    0% {
        -webkit-transform: translateZ(300px);
        opacity: 0;
    }
    100% {
        -webkit-transform: translateZ(0px);
        opacity: 1;
    }
}

@-webkit-keyframes SubMenuAnimIn5 {
    0% {
        -webkit-transform: translateZ(-200px);
        opacity: 0;
    }
    100% {
        -webkit-transform: translateZ(0);
        opacity: 1;
    }
}

@-moz-keyframes SubMenuAnimIn1 {
    0% {
        -moz-transform: translateX(50%);
        opacity: 0;
    }
    100% {
        -moz-transform: translateX(0px);
        opacity: 1;
    }
}

@-moz-keyframes SubMenuAnimIn2 {
    0% {
        -moz-transform: translateX(100%);
        opacity: 0;
    }
    100% {
        -moz-transform: translateX(0px);
        opacity: 1;
    }
}

@-moz-keyframes SubMenuAnimIn3 {
    0% {
        -moz-transform: translateZ(-300px);
        opacity: 0;
    }
    100% {
        -moz-transform: translateZ(0px);
        opacity: 1;
    }
}

@-moz-keyframes SubMenuAnimIn4 {
    0% {
        -moz-transform: translateZ(300px);
        opacity: 0;
    }
    100% {
        -moz-transform: translateZ(0px);
        opacity: 1;
    }
}

@-moz-keyframes SubMenuAnimIn5 {
    0% {
        -moz-transform: translateZ(-200px);
        opacity: 0;
    }
    100% {
        -moz-transform: translateZ(0);
        opacity: 1;
    }
}

@keyframes SubMenuAnimIn1 {
    0% {
        transform: translateX(50%);
        opacity: 0;
    }
    100% {
        transform: translateX(0px);
        opacity: 1;
    }
}

@keyframes SubMenuAnimIn2 {
    0% {
        transform: translateX(100%);
        opacity: 0;
    }
    100% {
        transform: translateX(0px);
        opacity: 1;
    }
}

@keyframes SubMenuAnimIn3 {
    0% {
        transform: translateZ(-300px);
        opacity: 0;
    }
    100% {
        transform: translateZ(0px);
        opacity: 1;
    }
}

@keyframes SubMenuAnimIn4 {
    0% {
        transform: translateZ(300px);
        opacity: 0;
    }
    100% {
        transform: translateZ(0px);
        opacity: 1;
    }
}

@keyframes SubMenuAnimIn5 {
    0% {
        transform: translateZ(-200px);
        opacity: 0;
    }
    100% {
        transform: translateZ(0);
        opacity: 1;
    }
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-1 {
    -webkit-animation: SubMenuAnimOut1 0.4s ease;
    -moz-animation: SubMenuAnimOut1 0.4s ease;
    animation: SubMenuAnimOut1 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-2 {
    -webkit-animation: SubMenuAnimOut2 0.3s ease-in-out;
    -moz-animation: SubMenuAnimOut2 0.3s ease-in-out;
    animation: SubMenuAnimOut2 0.3s ease-in-out;
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-3 {
    -webkit-animation: SubMenuAnimOut3 0.4s ease;
    -moz-animation: SubMenuAnimOut3 0.4s ease;
    animation: SubMenuAnimOut3 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-4 {
    -webkit-animation: SubMenuAnimOut4 0.4s ease;
    -moz-animation: SubMenuAnimOut4 0.4s ease;
    animation: SubMenuAnimOut4 0.4s ease;
}

.dl-menuwrapper > .dl-submenu.dl-animate-out-5 {
    -webkit-animation: SubMenuAnimOut5 0.4s ease;
    -moz-animation: SubMenuAnimOut5 0.4s ease;
    animation: SubMenuAnimOut5 0.4s ease;
}

@-webkit-keyframes SubMenuAnimOut1 {
    0% {
        -webkit-transform: translateX(0%);
        opacity: 1;
    }
    100% {
        -webkit-transform: translateX(50%);
        opacity: 0;
    }
}

@-webkit-keyframes SubMenuAnimOut2 {
    0% {
        -webkit-transform: translateX(0%);
        opacity: 1;
    }
    100% {
        -webkit-transform: translateX(100%);
        opacity: 0;
    }
}

@-webkit-keyframes SubMenuAnimOut3 {
    0% {
        -webkit-transform: translateZ(0px);
        opacity: 1;
    }
    100% {
        -webkit-transform: translateZ(-300px);
        opacity: 0;
    }
}

@-webkit-keyframes SubMenuAnimOut4 {
    0% {
        -webkit-transform: translateZ(0px);
        opacity: 1;
    }
    100% {
        -webkit-transform: translateZ(300px);
        opacity: 0;
    }
}

@-webkit-keyframes SubMenuAnimOut5 {
    0% {
        -webkit-transform: translateZ(0);
        opacity: 1;
    }
    100% {
        -webkit-transform: translateZ(-200px);
        opacity: 0;
    }
}

@-moz-keyframes SubMenuAnimOut1 {
    0% {
        -moz-transform: translateX(0%);
        opacity: 1;
    }
    100% {
        -moz-transform: translateX(50%);
        opacity: 0;
    }
}

@-moz-keyframes SubMenuAnimOut2 {
    0% {
        -moz-transform: translateX(0%);
        opacity: 1;
    }
    100% {
        -moz-transform: translateX(100%);
        opacity: 0;
    }
}

@-moz-keyframes SubMenuAnimOut3 {
    0% {
        -moz-transform: translateZ(0px);
        opacity: 1;
    }
    100% {
        -moz-transform: translateZ(-300px);
        opacity: 0;
    }
}

@-moz-keyframes SubMenuAnimOut4 {
    0% {
        -moz-transform: translateZ(0px);
        opacity: 1;
    }
    100% {
        -moz-transform: translateZ(300px);
        opacity: 0;
    }
}

@-moz-keyframes SubMenuAnimOut5 {
    0% {
        -moz-transform: translateZ(0);
        opacity: 1;
    }
    100% {
        -moz-transform: translateZ(-200px);
        opacity: 0;
    }
}

@keyframes SubMenuAnimOut1 {
    0% {
        transform: translateX(0%);
        opacity: 1;
    }
    100% {
        transform: translateX(50%);
        opacity: 0;
    }
}

@keyframes SubMenuAnimOut2 {
    0% {
        transform: translateX(0%);
        opacity: 1;
    }
    100% {
        transform: translateX(100%);
        opacity: 0;
    }
}

@keyframes SubMenuAnimOut3 {
    0% {
        transform: translateZ(0px);
        opacity: 1;
    }
    100% {
        transform: translateZ(-300px);
        opacity: 0;
    }
}

@keyframes SubMenuAnimOut4 {
    0% {
        transform: translateZ(0px);
        opacity: 1;
    }
    100% {
        transform: translateZ(300px);
        opacity: 0;
    }
}

@keyframes SubMenuAnimOut5 {
    0% {
        transform: translateZ(0);
        opacity: 1;
    }
    100% {
        transform: translateZ(-200px);
        opacity: 0;
    }
}

/* No JS Fallback */
.no-js .dl-menuwrapper .dl-menu {
    position: relative;
    opacity: 1;
    -webkit-transform: none;
    -moz-transform: none;
    transform: none;
}

.no-js .dl-menuwrapper li .dl-submenu {
    display: block;
}

.no-js .dl-menuwrapper li.dl-back {
    display: none;
}

.no-js .dl-menuwrapper li > a:not(:only-child) {
    background: rgba(0,0,0,0.1);
}

.no-js .dl-menuwrapper li > a:not(:only-child):after {
    content: '';
}

/* 移动端粘性导航栏修复 */
@media (max-width: 768px) {
    /* 确保主菜单（.header）固定在顶部 */
    .header {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        width: 100% !important;
        height: 80px !important;
        z-index: 10000 !important;
        background: white !important;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
    }
    
    /* 调整主内容区域位置 */
    .main {
        margin-top: 0px !important; /* 主菜单高度 */
    }
    
    /* 修复产品导航栏的 sticky 定位 */
    .main > header.sticky {
        position: -webkit-sticky !important; /* Safari */
        position: sticky !important;
        top: 78px !important; /* 紧贴在主菜单下方，若80有2个像素的缝隙，过小如50则只显示一半 */
        z-index: 500 !important;
        width: 100% !important;
        left: 0 !important;
        right: 0 !important;
        background: white !important;
        border-bottom: 1px solid #e5e7eb !important;
        box-shadow: 0 2px 8px rgba(0,0,0,0.05) !important;
    }
    
    /* 确保容器没有 overflow:hidden 影响 sticky */
    .main, body, html {
        overflow-x: visible !important;
        position: relative !important;
    }
    
    /* 调整滚动位置，防止导航栏遮挡内容 */
/*    #background, #target, #function, #scene, #advantage, #contact {
        scroll-margin-top: 140px !important;  主菜单80px + 产品导航栏高度 
    }*/
}

/* 修复移动端子菜单滚动问题 */
@media (max-width: 768px) {
    /* 为子菜单容器添加滚动支持 */
    .dl-menuwrapper .dl-submenu {
        max-height: 70vh !important; /* 限制最大高度为视口的70% */
        overflow-y: auto !important; /* 添加垂直滚动条 */
        -webkit-overflow-scrolling: touch !important; /* iOS平滑滚动 */
    }
    
    /* 调整子菜单项样式 */
    .dl-menuwrapper .dl-submenu li a {
        padding: 10px 15px !important;
        font-size: 14px !important;
        line-height: 1.4 !important;
    }
    
    /* 为多层子菜单也添加滚动支持 */
    .dl-menuwrapper .dl-submenu .dl-submenu {
        max-height: 60vh !important; /* 内层子菜单高度稍小 */
    }
    
    /* 确保返回按钮始终可见 */
    .dl-menuwrapper .dl-submenu li.dl-back {
        position: sticky !important;
        top: 0 !important;
        z-index: 10 !important;
        background-color: #ffffff !important;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
    }
    
    /* 优化滚动条样式 */
    .dl-menuwrapper .dl-submenu::-webkit-scrollbar {
        width: 6px;
    }
    
    .dl-menuwrapper .dl-submenu::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 3px;
    }
    
    .dl-menuwrapper .dl-submenu::-webkit-scrollbar-thumb {
        background: #888;
        border-radius: 3px;
    }
    
    .dl-menuwrapper .dl-submenu::-webkit-scrollbar-thumb:hover {
        background: #555;
    }
}