*{margin: 0;padding: 0;font-family: "微软雅黑";font-weight: normal;list-style:none;font-style:normal;text-decoration:none}
body {
    background: url(../images/1.jpg) no-repeat center center fixed;
    background-size: cover;
}
#about {
    color: #999;
    text-align: center;
    font: 0.9em Arial, Helvetica;
}

#about a {
    color: #777;
}

.menu {
    width: calc(280px * 4 + 30px);
    display: flex;
    flex-flow: wrap;
    justify-content: flex-start;
    position: relative;
    margin: 160px auto 0;
    padding: 15px;
    padding-top: 5px;
    list-style: none;
    counter-reset: li;
    background: rgb(238 238 238 / 38%);
    -moz-box-shadow: 0 1px 2px rgba(0, 0, 0, .1) inset;
    -webkit-box-shadow: 0 1px 2px rgba(0, 0, 0, .1) inset;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .1) inset;
    -moz-border-radius: 10px;
    -webkit-border-radius: 10px;
    border-radius: 10px;
}

.menu:before,
.menu:after {
    content: "";
    display: table;
}

.menu:after {
    clear: both;
}

.menu {
    zoom: 1;
}

/* -------------------------------- */

.menu li {
    cursor: pointer;
    height: 200px;
    width: 280px;
    color: #fff;
    margin-top: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.menu li:hover,
.menu li:focus {
    background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(255, 255, 255, .2)), to(rgba(255, 255, 255, 0)));
    background-image: -webkit-linear-gradient(top, rgba(255, 255, 255, .2), rgba(255, 255, 255, 0));
    background-image: -moz-linear-gradient(top, rgba(255, 255, 255, .2), rgba(255, 255, 255, 0));
    background-image: -ms-linear-gradient(top, rgba(255, 255, 255, .2), rgba(255, 255, 255, 0));
    background-image: -o-linear-gradient(top, rgba(255, 255, 255, .2), rgba(255, 255, 255, 0));
    background-image: linear-gradient(top, rgba(255, 255, 255, .2), rgba(255, 255, 255, 0));
}

.menu .cover {
    z-index: 2;
}

.menu .cover:focus {
    outline: 0;
}

/* -------------------------------- */
.menu li::after {
    content: counter(li);
    counter-increment: li;
    font: italic bold 10px serif, georgia;
    color: rgba(255, 255, 255, .1);
    opacity: 0;
    width: 100%;
    height: 100%;
    justify-content: flex-start;
    align-items: flex-start;
    display: flex;
    text-align: left;
    -webkit-transition: all .2s ease-out;
    -moz-transition: all .2s ease-out;
    -ms-transition: all .2s ease-out;
    -o-transition: all .2s ease-out;
    transition: all .2s ease-out;
}

.menu li:hover::after,
.menu li:focus::after {
    font-size: 100px;
    opacity: 1;
}

.menu .cover::after {
    z-index: -1;
}

/* -------------------------------- */

.menu li:not(:nth-child(4n+1)) {
    margin-left: 10px;
}

/* -------------------------------- */
/* 
.menu li:nth-child(1),
.menu li:nth-child(1) .content,
.menu li:nth-child(1) .close {
    background-color: #2c618f;
}

.menu li:nth-child(2),
.menu li:nth-child(2) .content,
.menu li:nth-child(2) .close {
    background-color: #91ab31;
}

.menu li:nth-child(3),
.menu li:nth-child(3) .content,
.menu li:nth-child(3) .close {
    background-color: #714a28;
}

.menu li:nth-child(4),
.menu li:nth-child(4) .content,
.menu li:nth-child(4) .close {
    background-color: #e58600;
}

.menu li:nth-child(5),
.menu li:nth-child(5) .content,
.menu li:nth-child(5) .close {
    background-color: #c33a00;
}

.menu li:nth-child(6),
.menu li:nth-child(6) .content,
.menu li:nth-child(6) .close {
    background-color: #7f5dac;
}

.menu li:nth-child(7),
.menu li:nth-child(7) .content,
.menu li:nth-child(7) .close {
    background-color: #5672b7;
}

.menu li:nth-child(8),
.menu li:nth-child(8) .content,
.menu li:nth-child(8) .close {
    background-color: #69003f;
}

.menu li:nth-child(9),
.menu li:nth-child(9) .content,
.menu li:nth-child(9) .close {
    background-color: #393043;
}

.menu li:nth-child(10),
.menu li:nth-child(10) .content,
.menu li:nth-child(10) .close {
    background-color: #05bc7f;
} */

/* -------------------------------- */

.menu .content {
    opacity: 0;
    visibility: hidden;
    display: none/9;
    overflow: hidden;
    font: 12px Arial, Helvetica;
    position: absolute;
    /* height: 220px;
    width: 300px; */
    top: 15px;
    left:15px;
    height: calc(100% - 110px);
    width: calc(100% - 110px);
    background: #fff;
    /* Ideally: height: 100%; width: 100%; but works at it should just in FF */
    -webkit-transition: all .3s ease-out;
    -moz-transition: all .3s ease-out;
    -ms-transition: all .3s ease-out;
    -o-transition: all .3s ease-out;
    transition: all .3s ease-out;
}

.menu .expanded {
    opacity: .95;
    visibility: visible;
    display: block/9;
    overflow: visible;
    padding: 40px;
    z-index: 10;
    /* Cover the entire area */
}

/* -------------------------------- */
.menu .title {
    position: absolute;
    justify-content: center;
    align-items: center;
    display: flex;
    text-align: center;
    font: italic bold 1em/120px 'trebuchet MS', Arial, helvetica;
    opacity: .4;
    font-size: 24px;
    -webkit-transition: 0.5s;
    transition: 0.5s;
}

.menu li:hover .title {
    opacity: 1;
    transform: scale(1.7);
	-webkit-transform: scale(1.7);
}

.items {
    background: rgb(66 66 66 / 13%);
    margin-bottom: 20px;
    padding-bottom: 20px;
}

.items h2 {
    background: #fff;
    display: inline-block;
    color: #616161;
    padding: 0.5rem;
    cursor: default;
    width: 540px;
    font-size: 18px;
    border-left: 10px #c5e1a5 solid;
    -webkit-box-shadow: 0 2px 6px rgb(0 0 0 / 8%);
    box-shadow: 0 2px 6px rgb(0 0 0 / 8%);
    border-radius: 0 10px 100px 0;
    margin: 0;
    margin-bottom: 20px;
}

/* -------------------------------- */
.menu .close {
    position: absolute;
    z-index: 1;
    color: #fff;
    cursor: pointer;
    height: 40px;
    width: 40px;
    border-radius: 50%;
    border: 5px solid #fff;
    top: -20px;
    right: -20px;
    opacity: 1;
    display: none;
}

.menu .close:before,
.menu .close:after {
    content: '';
    position: absolute;
    display: block;
    left: 8px;
    top: 20px;
    width: 24px;
    height: 2px;
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    cursor: pointer;
    background-color: white;
}

.menu .close:after {
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.menu .cover .close {
    display: block;
}

.itemsContent {
    max-height: 110px;
    overflow-y: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
}
.itemList {   
    width: 50%;
}

.itemList a {
    display: block;
    text-indent: 2rem;
    color: #FFf;
    font-size: 14px;
    line-height: 35px;
    text-decoration: none;
}

.itemList a:hover,
.itemList a:focus
/* ,.itemList a:visited */
{
    background: #fff;
    color: #616161;
    border-radius: 5px;
}

h2.bTitle {
    font-weight: 200;
    color: #f5f5f5;
    position: absolute;
    top: 40px;
    left: 35%;
    text-transform: uppercase;
    text-align: center;
    text-decoration: none;
    font-size: 2.5em;
    /* writing-mode: vertical-rl; */
    -webkit-transition: all 2s cubic-bezier(0.21, 1, 0.84, 1.01);
    -moz-transition: all 2s cubic-bezier(0.21, 1, 0.84, 1.01);
    transition: all 2s cubic-bezier(0.21, 1, 0.84, 1.01);
    z-index: 1;
}

h2.bTitle::before {
    content: 'System';
    position: absolute;
    top: -20px;
    left: 0px;
    color: #000;
    font-weight: 900;
    font-size: 24px;
    text-transform: none;
    display: block;
    -webkit-transition: inherit;
    -moz-transition: inherit;
    transition: inherit;
}

h2.bTitle::after {
    content: 'with SPIT';
    position: absolute;
    right: 0;
    bottom: -15px;
    color: #000;
    font-weight: 900;
    font-size: 24px;
    text-transform: none;
    display: block;
    -webkit-transition: inherit;
    -moz-transition: inherit;
    transition: inherit;
}

h2.bTitle:hover {
    -webkit-transform: scale(1.05);
    -moz-transform: scale(1.05);
    -ms-transform: scale(1.05);
    -o-transform: scale(1.05);
    transform: scale(1.05);
}

h2.bTitle:hover::before {
    -webkit-transform: scale(1.2) translate(-10px, -15px);
    -moz-transform: scale(1.2) translate(-10px, -15px);
    -ms-transform: scale(1.2) translate(-10px, -15px);
    -o-transform: scale(1.2) translate(-10px, -15px);
    transform: scale(1.2) translate(-10px, -15px);
}

h2.bTitle:hover::after {
    -webkit-transform: scale(1.2) translate(25px, 15px);
    -moz-transform: scale(1.2) translate(25px, 15px);
    -ms-transform: scale(1.2) translate(25px, 15px);
    -o-transform: scale(1.2) translate(25px, 15px);
    transform: scale(1.2) translate(25px, 15px);
}

/* 侧边导航 */
.pro-content {
    display: flex;
    justify-content: center;
}

.pro-left {
    width: 240px;
    margin: 160px 15px 0 38px;
    box-sizing: border-box;
}

.left-category {
    background: rgb(238 238 238 / 66%);
    border-radius: 10px;
}

.pro-left .left-category ul li {
    height: 60px;
    line-height: 60px;
    font-size: 16px;
    text-align: center;
    cursor: pointer;
    color: #082740;
    border-radius: 10px;
}

.pro-left .left-category ul li.on {
    background: #3f51b5;
    color: #FFFFFF;
}

.pro-left .left-category ul li:hover {
    background: #3f51b5;
    color: #FFFFFF;
}
/*固定表头*/
.table-responsive {
  /*如果这里设置overflow-x会导致 thead position: sticky;失效*/
  overflow-x: unset !important;
}

.table-responsive table {
  /*将overflow-x属性给到table*/
  overflow-x: auto !important;
}

thead {
  /*设置表头粘性固定，隐藏原下边框 */
  background-color: Window !important;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom-width: 0px !important;
}

thead::before {
  /*通过before绘制固定表头下边框，自带下边框会随滚动条移动 inherit继承边框*/
  content: "";
  width: 100%;
  position: absolute;
  bottom: 0px;
  border-bottom: inherit;
  border-bottom-width: 1px !important;
}

/*滚动条整体样式*/
::-webkit-scrollbar {
    /*滚动条整体样式*/
    width: 2px;
    /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}

::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 5px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    background: #aed581;
}

::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    background: #ededed;
}