/* 基础规范 */
* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
    :root {
            --primary: #2D9CDB; /* 青花瓷蓝主色调 rgb(45, 156, 219) */
            --accent: #F2C94C;  /* 明黄焦点色  rgb(242, 201, 76) */
            --secondary: #1a7bb9; /* 选中时深蓝色辅助色 rgb(26, 123, 185) */
            --light-bg: #F9FBFC; /* 瓷器白色背景 rgb(249, 251, 252) */
            --dark-text: #333333; /* 深灰色文字 rgb(51, 51, 51) */
            --medium-text: #6C7A89; /* 中等灰色文字 rgb(108, 122, 137) */
            --white: #FFFFFF;/* rgb(255, 255, 255) */
            --black: #000000;/* rgb(0, 0, 0) */
            --gray: #808080;/* rgb(128, 128, 128) */
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --h1-size: 36px;
            --h1-weight: bold;
            --h2-size: 28px;
            --h2-weight: regular;
            --body-size: 16px;
            --body-weight: regular;
            --description-size: 12px;
            --description-color: var(--gray);
            --description-weight: regular;
            --link-size: var(--body-size);
            --link-color: var(--primary);
            --link-weight: regular;
            }

/* 网站特定的容器样式 */
.container {
  width:100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  }
      
        /* 导航栏样式 */
        .header {
            background-color: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
           /* background-image: linear-gradient(to right, rgba(45, 156, 219, 0.05), rgba(45, 90, 139, 0.1), rgba(26, 123, 185, 0.1)); */

        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            text-shadow: 1px 1px 2px rgba(45, 90, 139, 0.3);
        }
        
        .logo i {
            margin-right: 10px;
            color: var(--accent);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark-text);
            font-weight: 500;
            transition: var(--transition);
            padding: 5px 0;
            position: relative;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .auth-buttons {
            display: flex;
            gap: 15px;
        }
        
        .btn {
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid var(--primary);
            font-size: 15px;
            position: relative;
            overflow: hidden;
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            border: 2px solid var(--primary);
        }
        
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #F4D03F);
            color: var(--white);
            border: 2px solid var(--accent);
        }
        
       .btn-outline:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(45, 156, 219, 0.8);
        }
        
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(45, 156, 219, 0.8);
        }
        
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(212, 175, 55, 0.3);
        }
        
/*# 题库导航CSS */
.tikupart {
    /*position: absolute;*/
    position:relative;
    top: 0;
    /*left: 0%; 
    margin-left: 0px;*/
    height: 400px;
    width: 100%;
    background: linear-gradient(135deg, rgba(45, 156, 219, 1), rgba(26, 123, 185, 1)); 
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    /* display: flex; */
    display: inline-block;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    flex-direction: column;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    justify-content: space-between;
    -webkit-box-align: stretch;
    -webkit-align-items: stretch;
    -moz-box-align: stretch;
    align-items: stretch;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin: 0;
    padding: 0;
    float: right;
}

.tikupart .tikulist {
    /*position: absolute;*/
    position:relative;
    top: 0;
    /*left: 0%; 
    margin-left: 0px;*/
    height:400px;
    width: 100%;
    background: linear-gradient(135deg, rgba(45, 156, 219, 1), rgba(26, 123, 185, 1)); 
    /*
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: flex; 
    display: inline-block;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -webkit-flex-direction: column;
    -moz-box-orient: vertical;
    -moz-box-direction: normal;
    flex-direction: column;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
    -moz-box-pack: justify;
    justify-content: space-between;
    -webkit-box-align: stretch;
    -webkit-align-items: stretch;
    -moz-box-align: stretch;
    */
    align-items: stretch;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    margin: 0;
    padding: 0;
    float: right;

}

 .tikupartp{
    color: #eeeeee;
    font-size: 16px;
    font-weight: 700;
    text-align: center;
    background-color: rgba(45, 156, 219, 1);
    border-radius: 8px;
    padding-bottom: 5px;
    border: 1px solid rgba(212, 175, 55, 0.3);
 }

.tikulist:after,
.tikupart .tikulist li .tikupartlist .part:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
    font-size: 0
}


.tikulist,
.tikupart .tikulist li .tikupartlist .part {
    *zoom: 1
}

.tikupart .tikulist li .tikupartlist .part div a {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis
}

.tikupart .tikulist li.first {
   height: 120px 
}

.tikupart .tikulist li:last-child {
    -webkit-box-flex: 1;
    -webkit-flex: 1 1 auto;
    -moz-box-flex: 1;
    flex: 1 1 auto
}

.tikupart .tikulist li:first-child .title {
    padding-top: 10px
}

.tikupart .tikulist li {
    border-left: 3px solid transparent;
    padding-left: 17px;
    display: block;
    overflow: hidden;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.tikupart .tikulist li .title {
    font-size: 14px;
    color: #eeeeee;
    font-weight: 700;
    padding-top: 5px;
    padding-bottom: 5px;
    line-height: 1;
    position: relative
}


.tikupart .tikulist li .list {
    height: 18px;
   /* overflow: hidden;*/
   overflow: visible;
}

.tikupart .tikulist li .list a {
    line-height: 16px;
    color: #eeeeee;
    font-size: 12px;
    margin-right: 9px;
    word-break: keep-all;
    float: left;
    *float: none;
    transition: all 0.3s ease;
}

.tikupart .tikulist li .list a:hover {
    color: #D4AF37
}

.tikupart .tikulist li .tikupartlist {
    position: absolute;
    top: 0;
    left: 300px;
    height: 400px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    width:100%;
    min-width: 676px;
    overflow-y: auto;
    overflow-x: hidden;
    align-items: left;
/*与第二栏大小匹配，不要修改*/
   background: linear-gradient(135deg, rgba(45, 156, 219, 0.95), rgba(26, 123, 185, 0.95)); 
    overflow: auto;
    display: none;
    z-index: 999;
    padding-top: 0px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.tikupart .tikulist li .tikupartlist .part span {
    width: 150px;
    padding-left: 10px;
    float: left;
    background: transparent;
    font-size: 14px;
    line-height: 28px;
    font-weight: 700;
    color: #eeeeee;
    z-index: 999;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);

}

.tikupart .tikulist li .tikupartlist .part div {
    width: auto;
    padding-bottom: 8px;
     background: transparent;
    float: left;
    top: 20px;
    color: #eeeeee;
    z-index: 999;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tikupart .tikulist li .tikupartlist .part div a {
    width: auto;
    padding-left: 10px;
    padding-right: 10px;
    font-size: 14px;
    line-height: 20px;
    color: #eeeeee;
    display: inline-block;
    transition: all 0.3s ease;
}

.tikupart .tikulist li .tikupartlist .part div a:hover {
    color: #D4AF37
}

.tikupart .tikulist li:hover {
    background: rgba(93, 138, 168, 0.8);;
    border-color: #D4AF37
}

.tikupart .tikulist li:hover .title {
    color: #D4AF37
}

.tikupart .tikulist li:hover .tikupartlist {
    display: block
}



/*题库概览样式*/
.tikuallboard {
        background: linear-gradient(135deg, rgba(26, 123, 185, 1), rgba(45, 156, 219, 1)); 
        height: 100%;
        min-height: 400px;
        display: flex;
        flex-direction: column;
        letter-spacing: 1px;
        color: #eeeeee;
        margin: 0px;
        border-radius: 8px;
      /*  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); */
}
      
.tikuallboard p,
.tikuallboard .tikualllist,
.tikuallboard .tikupartslist {
        transition: all 0.3s ease;
}
      
.tikuallboard .hasubtikuallboard {
    position: absolute;
    top: 0;
    left: -670px;
    width: 100%; 
    min-width: 670px;
   /* margin: 10px 0; */
    height: 400px;
    overflow-y: auto;
    display: none;
    background: linear-gradient(135deg, rgba(45, 156, 219, 0.95), rgba(26, 123, 185, 0.95));
    overflow: auto;
    z-index: 999;
    padding-top: 10px; 
    transition: all 0.3s ease;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      }
      
.tikuallboard:hover .hasubtikuallboard {
        display: inline-block;
      }


.tikuallboard:hover p,
.tikuallboard:hover .tikualllist,
.tikuallboard:hover .tikupartslist {
        display: visible;
      }


.tikuallboard p {
    color: #eeeeee;
    font-size: 16px;
    font-weight: 700;
    padding-top: 5px;
    text-align: center;
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
    padding-bottom: 10px;
}
.tikuallboard .tikualllist {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding-left: 5px;
    border: 1px solid rgba(212, 175, 55, 0.3);
}
.tikuallboard .tikualllist .tikuallparta {
    font-size: 14px;
    font-weight: 600;
    color: #ffffff;
    margin-left: 5px;
}
.tikuallboard .tikualllist .tikuallpartb {
    text-align:center;
    font-size: 38px;
    font-weight: bold;
    color: #D4AF37;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.tikuallboard .tikupartslist {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.tikuallboard .tikuparts {
    flex: 1 1 calc(50% - 5px);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 3px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.3s ease;
}

.tikuallboard .tikuparts:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(212, 175, 55, 0.4);
}

.tikuallboard  .tikuparts .tikuparta {
    font-size: 12px;
    font-weight: 600;
    color: #ffffff;
    margin-left: 5px;
}

.tikuallboard  .tikuparts .tikupartb {
    text-align:center;
    font-size: 28px;
    font-weight: bold;
    color: #D4AF37;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}
/* hasubtikuallboard样式 */
.hastikustats {
  display: flex;
  border-bottom: 1px solid rgba(212, 175, 55, 0.3);
  transition: all 0.3s ease;
}

.hastikustats:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.hastikustats .statsub {
  padding: 5px; 
  font-size: 14px; 
  font-weight: 700; 
  color: #ffffff; 
  width: 120px;
}

.hastikustats .statsublist {
  padding: 5px; 
  font-size: 12px; 
  color: #eeeeee;
}

/* FABE model*/


        
        /* 响应式设计调整 */
        @media (max-width: 992px) {
            .container {
                max-width: 960px;
            }
            
            .main-content {
                flex-direction: column;
                text-align:justify;
            }
            
            .column {
                min-width: 100%;
            }
            
            .subjects-grid,
            .features-grid,
            .bank-grid {
                flex-direction: column;
            }
            
            .tikupart .tikulist {
                width: 100%;
                height: 400px;
                overflow-y: auto;
            }
            
            .tikupart .tikulist li {
                width: 100%;
                position: relative;
            }
            
            .tikupart .tikulist li .tikupartlist {
                position: absolute;
                left: 100%;
                min-width: 100%;
                margin-top: 0;
                margin-left: 10px;
                z-index: 999;
            }
            
            .tikupart .tikulist li:hover .tikupartlist {
                display: block;
            }
        }
        
        @media (max-width: 768px) {
            .container {
                max-width: 720px;
            }
            
            .navbar {
                flex-direction: column;
                padding: 10px 0;
            }
            
            .nav-links {
                flex-wrap: wrap;
                justify-content: center;
                margin-top: 10px;
            }
            
            .nav-links li {
                margin: 5px 15px;
            }
            
            .auth-buttons {
                margin-top: 10px;
            }
            
            .section-title h2 {
                font-size: 28px;
            }
            
            .tikupart .tikulist li {
                position: relative;
            }
            
            .tikupart .tikulist li .tikupartlist {
                position: absolute;
                left: 100%;
                min-width: 100%;
                margin-top: 0;
                margin-left: 10px;
                z-index: 999;
            }
            
            .tikupart .tikulist li:hover .tikupartlist {
                display: block;
            }
        }
        
        @media (max-width: 576px) {
            .container {
                max-width: 540px;
            }
            
            .section-title h2 {
                font-size: 24px;
            }
            
            .subject-icon {
                font-size: 36px;
                height: 100px;
            }
            
            .feature-icon {
                font-size: 24px;
                width: 60px;
                height: 60px;
            }
        }


       .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: #1a7bb9;
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: #64748B;
            max-width: 600px;
            margin: 0px auto;
        }

        .subjects {
            padding: 80px 0;
            align-items: center;
            
        }
        
        .subjects-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }
        
        .subject-card {
            background-color: #FFFFFF;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            text-align: center;
            flex: 1;
            min-width: 250px;
            border-top: 4px solid var(--primary);
        }
        
        .subject-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }
        
        .subject-icon {
            height: 120px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 48px;
        }
        
        .subject-content {
            padding: 25px;
        }
        
        .subject-content h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--primary);
        }
        
        .subject-content p {
            color: var(--medium-text);
            margin-bottom: 20px;
            text-align: justify;
        }


        .features {
            /*替换subject 样式 */
             padding: 80px 0;
            background-color: #F8FAFC;
            text-align: center;
        }

        
        .features-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .feature-card {
            background-color: #FFFFFF;
            border-radius: 8px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            border-top: 4px solid var(--primary);
            flex: 1;
            min-width: 300px;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }
        
        .feature-icon {
            width: 80px;
            height: 80px;
            background-color: rgba(45, 90, 139, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: var(--primary);
            font-size: 32px;
        }
        
        .feature-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--primary);
        }
        
        .feature-card p {
            color: var(--medium-text);
            text-align: justify;
        }

        /* 题库展示区域 */
        .question-bank {
            padding: 80px 0;
        }
        
        .bank-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        .bank-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #FFFFFF;
            padding: 20px;
            text-align: center;
        }
        .bank-card {
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            flex: 1;
            text-align: center;
            min-width: 280px;
            border: 1px solid rgba(45, 90, 139, 0.2);
        }
        
        .bank-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
            border-color: var(--primary);
        }
        
        
        
        .bank-header h3 {
            font-size: 20px;
            margin-bottom: 5px;
        }
        
        .bank-content {
            padding: 25px;
            background-color: #FFFFFF;
        }
        
        .bank-stats {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        
        .stat {
            text-align: center;

        }
        
        .stat-value {
            font-weight: 700;
            color: var(--primary);
            font-size: 18px;
        }
        
        .stat-label {
            font-size: 14px;
            color: var(--medium-text);
        }
        
        .bank-features {
            list-style: none;
            margin-bottom: 20px;
        }
        
        .bank-features li {
            padding: 8px 0;
            border-bottom: 1px solid #eee;
            color: var(--medium-text);
            text-align: justify;
        }
        
        .bank-features li:last-child {
            border-bottom: none;
        }
        
        .bank-features li i {
            color: var(--secondary);
            margin-right: 10px;
        }
        
        /* CTA区域 */
        .cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #FFFFFF;
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/><circle cx="20" cy="20" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="80" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="20" r="1" fill="rgba(255,255,255,0.05)"/><circle cx="20" cy="80" r="1" fill="rgba(255,255,255,0.05)"/></svg>');
            background-size: 100px 100px;
            z-index: 0;
        }
        
        .cta .container {
            position: relative;
            z-index: 1;
        }
        
        .cta h2 {
            font-size: 36px;
            margin-bottom: 20px;
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
        }
        
        .cta p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 30px;
            color: rgba(255, 255, 255, 0.9);
            text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
        }

        /* 主要内容区域 - 5栏布局 */
          .stats {
            padding: 80px 0;
            background-color: #F8FAFC;
          }

        .main-content {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            text-align: justify;
           /* margin-bottom: 50px;*/
        }
        
        .column {
            background-color: white;
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            flex: 1;
            min-width: 200px;
            border: 1px solid rgba(45, 90, 139, 0.2);
        }
        
        .column:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            border-color: var(--primary);
        }
        
        .column h2 {
            color: var(--primary);
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(45, 90, 139, 0.1);
            font-size: 1.4rem;
        }
        
        .column p {
            margin-bottom: 15px;
            color: var(--medium-text);
        }
        
        .column:nth-child(1) {
            border-top: 4px solid #1a7bb9;
        }
        
        .column:nth-child(2) {
            border-top: 4px solid #1a7bb9;
        }
        
        .column:nth-child(3) {
            border-top: 4px solid #1a7bb9;
        }
        
        .column:nth-child(4) {
            border-top: 4px solid #1a7bb9;
        }
        
        .column:nth-child(5) {
            border-top: 4px solid #1a7bb9;
        }

         /*题库类别导航*/
	.exam-nav {
        	display: flex;
			flex-wrap: wrap;
			gap: 10px;
			margin: 10px 0;
			padding: 10px 0;
			border-top: 1px solid #eee;
			border-bottom: 1px solid #eee;
			}
	.exam-nav span {
			border-right: 2px solid #999999;
			font-size:13px;
			font-weight: bold;
			padding-right: 5px;
			}

    .exam-nav p {
			line-height: 10px;
			}

	.exam-nav a {
			color: #333;
			text-decoration: none;
			font-size: 13px;
			white-space: nowrap;
            padding: 0 5px;
			}
	.exam-nav a:hover {
			color: #007bff;
			text-decoration: underline;
			}

/*题库中心题库列表 样式*/
 .examlistcontainer {
            max-width: 100%;
            margin: 50px auto; 
            padding: 20px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
       
        
        /* 内容区域 */
        .content-area {
            min-height: 300px;
            margin-bottom: 30px;
            padding: 20px;
            margin-left:20px;
            border: 1px solid #ddd;
            border-radius: 4px;
            background-color: #f9f9f9;
        }
        
        .content-item {
            margin-bottom: 20px;
            padding: 15px;
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        }
        
        .content-item h3 {
            margin-top: 0;
            color: var(--dark-text);
            font-weight:bold;
            font-size:18px;
        
        .content-item p {
            margin: 10px 0 0 0;
            color: #666;

        }
        
        /* 题库列表项头部样式 */
        .content-item-header {
            display: flex;
            justify-content: space-between;
            font-size: 18px;
            color: var(--dark-text);
            align-items: center;
            margin-bottom: 10px;
        }
        
        /* 题库列表项价格样式 */
        .content-item-price {
            font-weight: bold;
            color: var(--primary);
            font-size: 18px;
            margin: 0;
        }
        
        /* 题库列表项内容区域样式 */
        .content-item-body {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
        }
        
        /* 题库列表项描述样式 */
        .content-item-desc {
            flex: 1;
            margin: 0;
        }
        
        /* 分页控件 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 20px;
        }
        
        .pagination button {
            padding: 8px 16px;
            margin: 0 5px;
            border: 1px solid #ddd;
            border-radius: 4px;
            background-color: white;
            color: #333;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .pagination button:hover {
            background-color: #60A5FA;
            color: white;
            border-color: #60A5FA;
        }
        
        .pagination button.active {
            background-color: #1a7bb9;
            color: white;
            border-color: #1a7bb9;
        }
        
        .pagination button:disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        
        .pagination button:disabled:hover {
            background-color: white;
            color: #333;
            border-color: #ddd;
        }
        
        /* 页码信息 */
        .page-info {
            margin: 0 15px;
            color: #666;
        }


/* 分级菜单样式 */
.hierarchical-menu {
	margin: 20px 0;
	padding: 0;
	}

.hierarchical-menu ul {
	list-style: none;
	padding: 0;
	margin: 0;
	}

.hierarchical-menu .level-1 {
	display: flex;
	flex-wrap: nowrap;
	gap: 20px;
	align-items: center;
	justify-content: flex-start;
	}

.hierarchical-menu .level-1 > li {
	position: relative;
	}

.hierarchical-menu a {
	display: inline-block;
	padding: 8px 12px;
	text-decoration: none;
	color: var(--dark-text);
	background-color: var(--light-bg);
	border: 1px solid rgba(45, 90, 139, 0.2);
	border-radius: 4px;
	transition: all 0.3s ease;
	}

.hierarchical-menu a:hover {
	color: #fff;
	background-color: var(--primary);
	border-color: var(--primary);
	}

.hierarchical-menu li.active > a {
	color: #fff;
	background-color: var(--primary);
	border-color: var(--primary);
	}

/* 子菜单容器样式 */
.hierarchical-menu .submenu-container {
	position: relative;
	margin-top: 10px;
	}

/* 二级及以下菜单样式 */
.hierarchical-menu .level-2,
.hierarchical-menu .level-3,
.hierarchical-menu .level-4 {
	display: flex;
	flex-wrap: nowrap;
	gap: 10px;
	margin-top: 10px;
	}

/* 固定显示所有子菜单 */
.hierarchical-menu .submenu-container {
	display: block;
	}

/* 调整菜单项间距 */
.hierarchical-menu .level-2 > li,
.hierarchical-menu .level-3 > li,
.hierarchical-menu .level-4 > li {
	margin: 0;
	}

/* 一键直达表单样式 */
.quick-nav-form {
	margin: 10px 0;
	padding: 10px;
	background-color: var(--light-bg);
	border-radius: 6px;
	border: 1px solid rgba(45, 90, 139, 0.2);
	}

.quick-nav-form form {
			display: flex;
			flex-wrap: nowrap;
			gap: 10px;
			align-items: center;
			}

.quick-nav-form .form-group {
			flex: 1;
			min-width: 150px;
			}

.quick-nav-form label {
	display: block;
	margin-bottom: 5px;
	font-weight: bold;
	color: var(--dark-text);
	}

.quick-nav-form select {
	width: 100%;
	padding: 8px 12px;
	border: 1px solid rgba(45, 90, 139, 0.3);
	border-radius: 4px;
	font-size: 12px;
	background-color: #fff;
	transition: all 0.3s ease;
	}

.quick-nav-form select:focus {
	outline: none;
	border-color: var(--primary);
	box-shadow: 0 0 0 2px rgba(45, 90, 139, 0.1);
	}

.quick-nav-form button {
			
			font-size: 12px;
			font-weight: bold;
			height: 38px;
			}

.quick-nav-form select:disabled {
	background-color: #e9ecef;
	cursor: not-allowed;
	}

    /* ------- 侧边小部件 ------- */

.side-widget { position: fixed; bottom: 100px; right: 0; z-index: 999; }
.side-widget-container { width: 60px; margin-top: 10px; background-color: #fff; border-radius: 8px; box-shadow: 0 0 6px #e3e3e3; cursor: pointer; }
.side-widget-flexible { overflow: hidden; position: relative; height: 60px; }
.side-widget-flexible-inner { position: absolute; bottom: 0; }
.side-widget-item {
    position: relative;
    opacity:0.7;
    display: -webkit-flex;
    display: flex;
    -webkit-flex-direction: column;
            flex-direction: column;
    -webkit-justify-content: center;
            justify-content: center;
    -webkit-align-items: center;
            align-items: center;
    box-sizing: border-box;
    width: 60px;
    height: 60px;
    font-size: 12px;
    color: #707070;
    -webkit-transition: color, background-color 0.24s ease;
            transition: color, background-color 0.24s ease;
}
.side-widget-item:first-child { border-top-left-radius: 8px; border-top-right-radius: 8px; }
.side-widget-item:last-child { border-bottom-left-radius: 8px; border-bottom-right-radius: 8px; }
.side-widget-item .widget-icon { width: 32px; height: 32px; background: url("http://www.chinazi.net/files/public/img/widget_icon.png") no-repeat 0 0/700% 200% }
.side-widget-item.backtop .widget-icon { background-position: 0 0; }
.side-widget-item.onlinenote .widget-icon { background-position: -32px 0; }
.side-widget-item.app .widget-icon { background-position: -64px 0; }
.side-widget-item.wechat .widget-icon { background-position: -96px 0; }
.side-widget-item.feedback .widget-icon { background-position: -128px 0; }
.side-widget-item.up .widget-icon { background-position: -160px 0; }
.side-widget-item.down .widget-icon { background-position: -192px 0; }
.side-widget-item .widget-popover { display: none; position: absolute; top: 0; right: 100%; z-index: 999; background-color: transparent; }
.side-widget-item .widget-popover-inner { margin-right: 12px; font-size: 14px; color: #333; width: 140px; padding-bottom: 8px; background-color: #fff; box-shadow: 0 0 10px 0 rgba(102, 102, 102, .25); }
.side-widget-item .widget-popover-inner p { line-height: 1.5; text-align: center; }
.side-widget-item:hover { color: #fff; background-color: #f06c27; }
.side-widget-item:hover .widget-icon { background-position-y: -32px; }
.side-widget-item:hover .widget-popover { display: block; }

#toolbar { position: fixed; bottom: 100px; right: 0; z-index: 999; font-size: 12px; background-color: #fff; box-shadow: 0 0 10px 0 rgba(102, 102, 102, .25); -webkit-transition: right 0.24s; transition: right 0.24s;}
#toolbar.toolbar--hide { right: -60px; }

#toolbar .trigger-button { position: absolute; top: 50%; right: 100%; -webkit-transform: rotateY(180deg) translateY(-50%); transform: rotateY(180deg) translateY(-50%); cursor: pointer; }
#toolbar .trigger-button-svg { vertical-align: middle; }
#toolbar .trigger-button-arrow {
    position: absolute; top: 50%; left: 50%; color: #fff;
    -webkit-transform-origin: 0 50%;
            transform-origin: 0 50%;
    -webkit-transform: rotateY(180deg) translate(-50%, -50%);
            transform: rotateY(180deg) translate(-50%, -50%);
    -webkit-transition: all 0.24s;
            transition: all 0.24s;
}
#toolbar.toolbar--hide .trigger-button-arrow {
    -webkit-transform: rotateY(0deg) translate(-50%, -50%);
            transform: rotateY(0deg) translate(-50%, -50%);
}

#toolbar .tool { position: relative; text-align: center; line-height: 1; color: #666; cursor: pointer; }
#toolbar .tool a {color: inherit;}
#toolbar .tool.backtop { display: block; }
#toolbar .tool-inner { display: block; padding: 10px 6px; color: inherit; -webkit-transition: none; transition: none; }
#toolbar .tool-icon { width: 32px; height: 32px; margin: 0 auto 4px; background: url("http://www.chinazi.net/files/public/img/widget_icon.png") no-repeat 0 0/600% 200%; }
#toolbar .tool.app .tool-icon { background-position: 0 0; }
#toolbar .tool.wechat .tool-icon { background-position: -32px 0; }
#toolbar .tool.feedback .tool-icon { background-position: -64px 0; }
#toolbar .tool.service .tool-icon { background-position: -96px 0; }
#toolbar .tool.backtop .tool-icon { background-position: -128px 0; }
#toolbar .tool.onlinenote .tool-icon { background-position: -160px 0; }

#toolbar .tool:hover { color: #fff; background-color: #fe6a00; }
#toolbar .tool:hover .tool-inner { color: #fff; }
#toolbar .tool:hover .tool-popover { display: block; }
#toolbar .tool.app:hover .tool-icon { background-position: 0 -32px; }
#toolbar .tool.wechat:hover .tool-icon { background-position: -32px -32px; }
#toolbar .tool.feedback:hover .tool-icon { background-position: -64px -32px; }
#toolbar .tool.service:hover .tool-icon { background-position: -96px -32px; }
#toolbar .tool.backtop:hover .tool-icon { background-position: -128px -32px; }
#toolbar .tool.onlinenote:hover .tool-icon { background-position: -160px -32px; }

#toolbar .tool-popover { display: none; position: absolute; top: 0; right: 100%; z-index: 999; background-color: transparent; }
#toolbar .tool-popover-inner { margin-right: 12px; font-size: 14px; color: #333; width: 140px; padding-bottom: 8px; background-color: #fff; box-shadow: 0 0 10px 0 rgba(102, 102, 102, .25); }
#toolbar .tool-popover-inner p { line-height: 1.5; }