/* ==============================================
1. 动画定义（统一管理所有关键帧动画）
============================================== */
/* 弹跳动画（用于图标hover效果） */
@-webkit-keyframes bounce {
    0%, 100%, 20%, 53%, 80% {
        -webkit-animation-timing-function: cubic-bezier(0.215, .61, .355, 1);
        animation-timing-function: cubic-bezier(0.215, .61, .355, 1);
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        -webkit-animation-timing-function: cubic-bezier(0.755, .05, .855, .06);
        animation-timing-function: cubic-bezier(0.755, .05, .855, .06);
        -webkit-transform: translate3d(0, -20px, 0);
        transform: translate3d(0, -20px, 0);
    }
    70% {
        -webkit-animation-timing-function: cubic-bezier(0.755, .05, .855, .06);
        animation-timing-function: cubic-bezier(0.755, .05, .855, .06);
        -webkit-transform: translate3d(0, -10px, 0);
        transform: translate3d(0, -10px, 0);
    }
    90% {
        -webkit-transform: translate3d(0, -2px, 0);
        transform: translate3d(0, -2px, 0);
    }
}
@keyframes bounce {
    0%, 100%, 20%, 53%, 80% {
        -webkit-animation-timing-function: cubic-bezier(0.215, .61, .355, 1);
        animation-timing-function: cubic-bezier(0.215, .61, .355, 1);
        -webkit-transform: translate3d(0, 0, 0);
        transform: translate3d(0, 0, 0);
    }
    40%, 43% {
        -webkit-animation-timing-function: cubic-bezier(0.755, .05, .855, .06);
        animation-timing-function: cubic-bezier(0.755, .05, .855, .06);
        -webkit-transform: translate3d(0, -20px, 0);
        transform: translate3d(0, -20px, 0);
    }
    70% {
        -webkit-animation-timing-function: cubic-bezier(0.755, .05, .855, .06);
        animation-timing-function: cubic-bezier(0.755, .05, .855, .06);
        -webkit-transform: translate3d(0, -10px, 0);
        transform: translate3d(0, -10px, 0);
    }
    90% {
        -webkit-transform: translate3d(0, -2px, 0);
        transform: translate3d(0, -2px, 0);
    }
}

/* JS下载按钮动画 */
@-webkit-keyframes btnJsAni {
    0% { background-position: 0 0; }
    100% { background-position: 0 -7350px; }
}
@keyframes btnJsAni {
    0% { background-position: 0 0; }
    100% { background-position: 0 -7350px; }
}

/* 代码行滚动动画 */
@-webkit-keyframes codeLineMove {
    0% { top: 0; }
    100% { top: 94%; }
}
@keyframes codeLineMove {
    0% { top: 0; }
    100% { top: 94%; }
}

/* 导航下划线动画（原代码隐含，补充完整） */
@-webkit-keyframes navWidth {
    0% { width: 0; }
    100% { width: 100%; }
}
@keyframes navWidth {
    0% { width: 0; }
    100% { width: 100%; }
}


/* ==============================================
2. 基础重置（清除默认样式，统一基础表现）
============================================== */
/* 通用标签重置 */
body, div, dl, dt, dd, ul, ol, li,
h1, h2, h3, h4, h5, h6, pre, form,
fieldset, input, textarea, p, blockquote,
th, td, em {
    margin: 0;
    padding: 0;
}

/* 列表样式重置 */
ol, ul, dl, li {
    list-style: none;
}

/* 表单/图片重置 */
fieldset, img {
    border: 0;
}
img, input, select {
    vertical-align: middle;
}

/* 表格重置 */
table {
    border-spacing: 0;
    border-collapse: collapse;
}

/* 表单元素字体统一 */
input, textarea, select {
    font: 12px 'Microsoft YaHei', simsun, tahoma;
    outline: 0;
}

/* 链接样式重置 */
a {
    text-decoration: none;
    color: #2f2f2f;
    outline: 0;
}
a:hover {
    text-decoration: none;
}

/* 标题样式重置 */
h1, h2, h3, h4, h5, h6 {
    font-size: 100%;
    font-weight: 400;
}

/* 特殊标签处理 */
em {
    font-style: normal;
}
[v-cloak] {
    display: none;
}


/* ==============================================
3. 工具类（通用样式，复用性强）
============================================== */
/* 清除浮动 */
.clearfix:after {
    display: block;
    height: 0;
    font-size: 0;
    visibility: hidden;
    clear: both;
    content: '';
}
.clearfix {
    zoom: 1; /* 兼容IE6/7 */
}
.clear {
    clear: both;
}

/* 定位与浮动 */
.relative {
    position: relative;
}
.fl {
    float: left;
}
.fr {
    float: right;
}
.left {
    float: left;
}
.right {
    float: right;
}

/* 文本控制 */
.txthide {
    text-indent: -999em;
    overflow: hidden;
    line-height: 0;
    font-size: 0;
}
.hidden {
    line-height: 99999px;
    overflow: hidden;
}
.txtr {
    text-align: right;
}
.disno {
    display: none;
}

/* 字体与间距 */
.fz14 {
    font-size: 14px;
}
.mt20 {
    margin-top: 20px;
}
.more {
    float: right;
    padding-right: 5px;
}


/* ==============================================
4. 页面基础布局（整体框架样式）
============================================== */
/* 页面主体 */
body {
    margin: 0 auto;
    font-size: 12px;
    background: #e4e4e4;
    font-family: "Microsoft YaHei";
}

/* 容器宽度控制 */
.wrapper {
    margin: 0 auto;
    width: 1200px;
    text-align: left;
}

/* 表格单元格基础样式 */
td {
    font-size: 12px;
    line-height: 160%;
}

/* 内容区整体背景 */
.content {
    padding-bottom: 30px;
    width: 1200px;
    background: url(../images/s_content.jpg) no-repeat;
}

/* 全屏背景（特定页面使用） */
.full_bg {
    background: url(../images/s_full_bg.jpg) no-repeat center top;
}

/* 侧边栏布局 */
.sidebar {
    width: 310px;
    _overflow: hidden; /* 兼容IE6 */
    float: left;
}

/* 主内容区布局 */
.main {
    width: 65%;
    margin-top: 8%;
    min-height: 101%;
    _height: 1020px; /* 兼容IE6最小高度 */
    margin-left: 18%;
    background: #f9f9f9;
    float: left;
}

/* 图片hover透明度过渡 */
.content a img {
    opacity: 1;
    filter: alpha(opacity=100); /* 兼容IE8及以下 */
}
.content a:hover img {
    opacity: .9;
    filter: alpha(opacity=90); /* 兼容IE8及以下 */
}


/* ==============================================
5. 头部模块（Logo+导航+标语）
============================================== */
/* 头部容器 */
.header {
    position: relative;
    height: 500px;
    overflow: hidden;
}

/* 头部子样式（特定头部背景） */
.header01 {
    background: url(../images/header01.jpg) no-repeat;
    height: 65px;
}

/* Logo样式 */
.header .logo a {
    display: block;
    overflow: hidden;
    z-index: 101;
    position: absolute;
    left: 20px;
    top: 0;
    width: 100px;
}
.header .logo img {
    width: 100%;
}

/* 一级导航（主导航） */
.nav {
    position: absolute;
    left: 25%;
    top: 10px;
    z-index: 5;
    font-size: 0; /* 清除inline-block间隙 */
    width: 1002px;
}
.nav a {
    display: inline-block;
    *display: inline; /* 兼容IE6/7 */
    *zoom: 1; /* 兼容IE6/7 */
    position: relative;
    vertical-align: top;
    width: 100px;
    height: 44px;
    color: #225069;
    font-size: 17px;
    font-weight: 700;
    text-align: center;
}
.nav a span {
    display: block;
    color: #7b868b;
    font-size: 12px;
    font-variant: small-caps;
    font-family: Arial;
    line-height: 1.1;
    font-weight: 400;
}
/* 导航hover状态 */
.nav a:hover {
    color: #ff8206;
}
.nav a:hover span {
    color: #ff8206;
}
.nav a:hover:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    background: url(../images/nav-line.png) no-repeat center top;
    width: 100%;
    height: 2px;
    -webkit-animation: navWidth 1s;
    animation: navWidth 1s;
}

/* 二级导航（下拉导航） */
.second-nav {
    display: none; /* 默认隐藏，JS控制显示 */
    position: absolute;
    top: 0;
    left: 120px;
    width: 1002px;
    height: 260px;
    background: url(../images/seconde-nav-bg.png) center top no-repeat;
    font-size: 0; /* 清除inline-block间隙 */
}
.second-nav li {
    position: relative;
    display: inline-block;
    *display: inline; /* 兼容IE6/7 */
    *zoom: 1; /* 兼容IE6/7 */
    vertical-align: top;
    width: 100px;
    padding-top: 50px;
    text-align: center;
}
.second-nav li a {
    display: block;
    width: 100%;
    color: #4b4b4b;
    font-size: 12px;
    line-height: 2.2;
}
.second-nav li a span {
    color: #ed0000;
}
.second-nav li a:hover {
    text-decoration: underline;
}
.second-nav li img {
    display: block;
    width: 100%;
    height: 90px;
}

/* 标语（默认隐藏） */
.slogan_png {
    display: none;
}
.slogan a {
    font-size: 0;
}


/* ==============================================
6. 侧边栏模块（下载区+搜索+广告）
============================================== */
/* 侧边下载区（zc模块） */
.down_cen {
    width: 100%;
    min-height: 1222px;
    _height: 1222px; /* 兼容IE6 */
}
.down_zc {
    position: relative;
    width: 310px;
    height: 118px;
    z-index: 100;
}
.down_zc a {
    display: block;
    position: relative;
    width: 200px;
    height: 88px;
    padding: 30px 0 0 110px;
    color: #514416;
    font-size: 24px;
    font-weight: 700;
    text-shadow: 0 1px 1px #fff;
    background-repeat: no-repeat;
}
.down_zc a span {
    display: block;
    font-size: 14px;
    font-weight: 400;
    text-shadow: none;
}
.down_zc a i {
    position: absolute;
    top: 33px;
    left: 77px;
    width: 31px;
    height: 30px;
    background-repeat: no-repeat;
}
.down_zc a:hover {
    text-decoration: none;
    background-repeat: no-repeat;
}

/* 侧边下载模块01 */
.sid_down01 {
    background: url(../images/side-down-02.png) no-repeat;
    width: 270px;
    height: 324px;
    padding: 0 20px;
    margin-top: 4px;
    overflow: hidden;
}
.sid_down01 h1 {
    position: relative;
    padding-top: 17px;
    padding-left: 30px;
    padding-bottom: 12px;
    border-bottom: 1px solid #b8b7b7;
    font-size: 16px;
    color: #000;
    line-height: 28px;
    font-weight: 700;
}
.sid_down01 h1 i {
    position: absolute;
    top: 17px;
    left: 0;
    width: 27px;
    height: 27px;
    background-repeat: no-repeat;
}

/* 侧边下载按钮组 */
.side-down-btn a {
    display: block;
    width: 272px;
    height: 54px;
    color: #676150;
    font-size: 16px;
    text-align: center;
    line-height: 54px;
    background-repeat: no-repeat;
}
.side-down-btn a:hover {
    color: #dddee1;
    text-decoration: none;
    background-repeat: no-repeat;
}

/* 侧边下载列表 */
.sid_down01 li {
    width: 231px;
    height: 52px;
    margin-bottom: 4px;
}
.sid_down01 li a {
    width: 231px;
    height: 52px;
    display: block;
}
.sid_down01 li a:hover {
    background: url(../images/sid_down01.jpg