/**
 * 铁书生易学网 - 统一主题样式
 * 确保所有页面与主页面风格、配色一致
 * 版本: v2.15
 */

/* ========== 配色变量定义 ========== */
:root {
    /* 主色调 - 古典国学风 */
    --color-primary: #603811;      /* 深棕色 - 主色 */
    --color-secondary: #b36d41;    /* 橙棕色 - 强调色 */
    --color-accent: #875a3d;       /* 中棕色 - 辅助色 */
    --color-highlight: #be8853;    /* 金棕色 - 高亮色 */
    
    /* 背景色 */
    --bg-primary: #ede7d9;         /* 米色背景 */
    --bg-secondary: #f8f5ed;       /* 浅米色 */
    --bg-card: #f8f5ed;            /* 修改为非纯白卡片 */
    --bg-list-card: #f6f3ec;       /* 列表小卡片（人物实战 / 书生资讯统一） */
    --bg-list-card-hover: #faf7f0; /* 列表小卡片悬停 */
    --bg-gradient: linear-gradient(180deg, #f8f5ed 0%, #ede7d9 100%);

    /* 分页按钮（字号对齐列表正文层级，略小于标题） */
    --page-btn-bg: #f8f5ed;
    --page-btn-border: #d7d1c5;
    --page-btn-text: #5c4a38;
    --page-btn-active-bg: #5c4a38;
    --page-btn-disabled-bg: #faf8f3;
    --page-btn-disabled-border: #ebe6dc;
    --page-btn-disabled-text: #c4bbb0;
    --page-btn-size: 13px;
    --page-btn-height: 32px;
    
    /* 边框色 */
    --border-light: #dac8a8;       /* 浅边框 */
    --border-medium: #d4c4a8;      /* 中边框 */
    --border-dark: #b3ab99;        /* 深边框 */
    
    /* 文字色 */
    --text-primary: #333333;       /* 主文字 */
    --text-secondary: #555555;     /* 次要文字 */
    --text-muted: #666666;         /* 弱化文字 */
    --text-light: #999999;         /* 浅色文字 */
    --text-brown: #663333;         /* 棕色文字 */
    
    /* 字体 - 使用开源可商用字体 */
    --font-display: "Noto Serif SC", "Source Han Serif SC", serif; /* 思源宋体 - 标题 */
    --font-body: "Noto Sans SC", "Source Han Sans SC", sans-serif; /* 思源黑体 - 正文 */
    --font-chinese: "LXGW WenKai", "Noto Serif SC", "Source Han Serif SC", serif; /* 中文装饰 */
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(129, 96, 63, 0.1);
    --shadow-lg: 0 8px 24px rgba(129, 96, 63, 0.15);
    --shadow-hover: 0 12px 32px rgba(129, 96, 63, 0.2);
    
    /* 圆角 */
    --radius-sm: 3px;
    --radius-md: 6px;
    --radius-lg: 12px;
    
    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== 统一按钮样式 ========== */
.btn-primary,
.more,
.tit .more {
    display: inline-block;
    padding: 8px 20px;
    background: var(--color-secondary);
    color: #ffffff !important;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
    text-decoration: none !important;
}

.btn-primary:hover,
.more:hover,
.tit .more:hover {
    background: var(--color-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.15);
    text-decoration: none !important;
    color: #ffffff !important;
}

/* ========== 统一标题样式 ========== */
.section-title,
.tit h2 {
    color: var(--color-primary);
    font-size: 21px;
    font-family: var(--font-display);
    font-weight: normal;
}

/* ========== 统一卡片样式 ========== */
.card,
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-smooth);
    overflow: hidden;
}

.card:hover,
.content-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-highlight);
}

/* ========== 统一链接样式 ========== */
a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-secondary);
    text-decoration: none;
}

/* 强调链接 */
.link-accent,
.content a {
    color: var(--color-secondary);
}

.link-accent:hover,
.content a:hover {
    color: var(--color-primary);
}

/* ========== 统一面包屑导航 ========== */
.crumb {
    margin-bottom: 20px;
    font-size: 14px;
    color: var(--text-light);
    padding: 12px 0;
    border-bottom: 1px solid #e5e5e5;
}

.crumb p {
    margin: 0;
    line-height: 1.5;
}

.crumb a {
    color: var(--color-highlight) !important;
    font-weight: normal;
    transition: color var(--transition-fast);
}

.crumb a:hover {
    color: var(--color-accent) !important;
}

.crumb span {
    color: var(--text-muted);
}

/* ========== 统一Banner样式 ========== */
.page-banner,
.article-banner,
.scholar-banner {
    position: relative;
    height: 431px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-banner::before,
.article-banner::before,
.scholar-banner::before {
    content: none;
    display: none;
}

.banner-title,
.article-banner-title,
.scholar-banner-title {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
}

.banner-title h1,
.article-banner-title h1,
.scholar-banner-title h1 {
    font-size: 48px;
    font-weight: bold;
    letter-spacing: 6px;
    margin-bottom: 15px;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.5);
    font-family: var(--font-display);
}

.banner-title p,
.article-banner-title p,
.scholar-banner-title p {
    font-size: 18px;
    letter-spacing: 3px;
    opacity: 0.95;
    font-family: var(--font-chinese);
}

/* ========== 统一内容区域样式 ========== */
.main,
.content-area {
    background: var(--bg-gradient);
    padding: 40px 0 80px;
    min-height: 500px;
}

.main .main_in,
.content-wrapper {
    background: var(--bg-card);
    padding: 30px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ========== 统一表单元素样式 ========== */
input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 14px;
    font-family: var(--font-body);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
select:focus,
textarea:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(179, 109, 65, 0.1);
    outline: none;
}

/* ========== 统一列表样式 ========== */
.list-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--border-light);
    transition: background var(--transition-fast);
}

.list-item:hover {
    background: rgba(237, 231, 217, 0.3);
}

.list-item:last-child {
    border-bottom: none;
}

/* ========== 统一标签/Tab样式 ========== */
.tab-nav,
.k-tab {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    padding: 15px 0;
    border-bottom: 2px solid var(--border-medium);
}

.tab-nav a,
.k-tab a {
    flex: 1;
    min-width: 0;
    padding: 18px 8px;
    color: var(--color-primary);
    background: linear-gradient(135deg, #e8dcc8 0%, #d4c4a8 100%);
    font-size: 16px;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-md);
    transition: all var(--transition-smooth);
    border: 2px solid transparent;
    letter-spacing: 0;
    white-space: nowrap;
    overflow: hidden;
    box-sizing: border-box;
}

.tab-nav a:hover,
.k-tab a:hover {
    background: linear-gradient(135deg, var(--color-highlight) 0%, var(--color-accent) 100%);
    color: #fff;
    border-color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.tab-nav a.active,
.k-tab a.active {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-primary) 100%);
    color: #fff;
    border-color: var(--color-primary);
    box-shadow: 0 4px 12px rgba(96, 56, 17, 0.3);
}

/* ========== 统一分页样式（全站同步） ========== */
.pagination,
.k-page {
    text-align: center;
    margin-top: 24px;
    margin-bottom: 20px;
    padding: 8px 0;
    clear: both;
}

.pagination a,
.k-page a {
    display: inline-block;
    min-width: var(--page-btn-height, 32px);
    height: var(--page-btn-height, 32px);
    margin: 0 4px;
    padding: 0 11px;
    box-sizing: border-box;
    line-height: calc(var(--page-btn-height, 32px) - 2px);
    background: var(--page-btn-bg) !important;
    border: 1px solid var(--page-btn-border) !important;
    border-radius: 3px !important;
    color: var(--page-btn-text) !important;
    font-size: var(--page-btn-size, 13px) !important;
    font-weight: 500;
    font-family: "Noto Sans SC", "Source Han Sans SC", sans-serif;
    text-decoration: none !important;
    box-shadow: none !important;
    transform: none !important;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    vertical-align: middle;
}

.pagination a:hover,
.k-page a:hover,
.pagination a.active,
.k-page a.active {
    background: var(--page-btn-active-bg) !important;
    border-color: var(--page-btn-active-bg) !important;
    color: #ffffff !important;
    box-shadow: none !important;
    transform: none !important;
}

.pagination a.disabled,
.k-page a.disabled,
.pagination a.disabled:hover,
.k-page a.disabled:hover {
    background: var(--page-btn-disabled-bg) !important;
    border-color: var(--page-btn-disabled-border) !important;
    color: var(--page-btn-disabled-text) !important;
    cursor: default;
    box-shadow: none !important;
    transform: none !important;
}

.k-page .ellipsis,
.pagination .ellipsis {
    display: inline-block;
    padding: 0 8px;
    line-height: var(--page-btn-height, 32px);
    font-size: var(--page-btn-size, 13px);
    color: #999;
    vertical-align: middle;
}

.k-page a:focus-visible,
.pagination a:focus-visible {
    outline: 2px solid #a67c52;
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    .pagination a,
    .k-page a {
        transition: none;
    }
}

/* 页脚样式由 css/core/layout.css 统一定义，避免在主题模块里覆盖导致各页面不一致 */

/* ========== 动画效果 ========== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.6s ease-out;
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

.animate-slideInLeft {
    animation: slideInLeft 0.6s ease-out;
}

/* ========== 响应式优化 ========== */
@media screen and (max-width: 1200px) {
    .tab-nav,
    .k-tab {
        flex-wrap: wrap;
    }
    
    .tab-nav a,
    .k-tab a {
        flex-basis: calc(50% - 5px);
        padding: 14px 20px;
        font-size: 15px;
    }
}

@media screen and (max-width: 768px) {
    .page-banner,
    .article-banner,
    .scholar-banner {
        height: 300px;
    }
    
    .banner-title h1,
    .article-banner-title h1,
    .scholar-banner-title h1 {
        font-size: 32px;
        letter-spacing: 3px;
    }
    
    .banner-title p,
    .article-banner-title p,
    .scholar-banner-title p {
        font-size: 14px;
    }
    
    .main .main_in,
    .content-wrapper {
        padding: 20px;
    }
    
    .tab-nav a,
    .k-tab a {
        flex-basis: 100%;
        padding: 12px 15px;
        font-size: 14px;
    }
}

/* ========== 打印样式 ========== */
@media print {
    .nav,
    .slide,
    #btn,
    .copy {
        display: none !important;
    }
    
    .main,
    .content-area {
        background: #fff !important;
        padding: 0 !important;
    }
    
    .main .main_in,
    .content-wrapper {
        box-shadow: none !important;
        border: none !important;
    }
}