:root {
    --primary-color: #4a89dc;
    --secondary-color: #3bafda;
    --text-color: #333;
    --light-bg: #f9fff8;
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
}

body{
    background: var(--light-bg);
    min-width: 320px;
    width: 100%;
    color: var(--text-color);
    font-family: 'Segoe UI', 'PingFang SC', sans-serif;
    line-height: 1.6;
}
ul{
    margin-bottom: 0;padding-left: 0;
}
li{
    list-style: none;
}
p img{
    display:block;
    margin: 0 auto;
}
.row{
    margin: 0 0;
}
.clear:before,.clear:after{display: table;content: "";}
.clear:after{clear: both;}
.clear{zoom: 1;}
.jl{
    background-image: url("../images/tb.png");
    background-repeat: no-repeat;
}
.container {
    padding-right: 12px;
    padding-left: 12px;
    margin: 0 auto;
}

.read_txt {
    position: relative;
}

.read_txt .box {
    color: white;
    padding-top: 5px;
    text-align: center;
    height: 75px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.read_txt .box:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}
.read_txt .to-login {
    position: absolute;
    bottom: 40px;
    width: 100%;
    height: 50px;
}

.read_txt a.go-login-link {
    font-weight: bold;
    text-decoration: none;
    color: var(--secondary-color);
    padding: 4px 8px;
    border-radius: 4px;
    transition: all 0.2s ease;
    display: inline-block;
}

.read_txt a.go-login-link:hover {
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    transform: scale(1.05);
}
div.next-page {
    margin-top: 20px;
    text-align: center;
}

div.next-page a {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid var(--primary-color);
    background-color: white;
    margin: 0 5px;
    color: var(--primary-color);
    line-height: 1.5;
    border-radius: 4px;
    transition: all 0.3s ease;
    text-decoration: none;
}

div.next-page a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
div.next-page .red {
    color: red;
}

.chapter-content .panel-default>.panel-heading {
    background-color: white;
}
.chapter-content .panel {
    border: none;
    box-shadow: none;
}
.chapter-content .panel-group .panel-heading+.panel-collapse>.list-group, .panel-group .panel-heading+.panel-collapse>.panel-body {
    border-top: none;
}
.chapter-content .panel-body {
    padding: 0;
}
.chapter-content .row .col-md-4.col-xs-6 {
    padding: 0;
}

/* 屏幕阅读器专用样式 - 隐藏视觉显示但可供屏幕阅读器读取 */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* 更新徽章样式 */
.updated-badge {
    color: red; 
    margin-right: 5px; 
    font-weight: bold;
}