/*
Theme Name: Astra GEO Child
Theme URI: https://geojihua.com/
Description: Astra Child Theme customized for GEO计划局 - 国内首家全链路 AI搜索优化 (GEO) 实战社区
Author: 智子边界®(OmniEdge)
Author URI: https://www.zhizibianjie.com
Template: astra
Version: 2.0.2
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: astra-geo
*/

/* ===== GEO计划局 现代化全局样式 v2.0 ===== */

/* CSS变量定义 - 现代深蓝配色方案 */
:root {
    /* 主色系 - 深蓝科技风 */
    --primary-blue: #1e40af;
    --primary-blue-light: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-pink: #ec4899;

    /* 深色背景 */
    --dark-bg: #0f172a;
    --dark-bg-2: #1e293b;
    --dark-bg-3: #334155;

    /* 文本颜色 */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;

    /* 背景颜色 */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;

    /* 阴影系统 */
    --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* 过渡动画 */
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* 间距 */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
}

/* ===== 基础重置与字体 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ===== 容器 ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 链接样式 ===== */
a {
    color: var(--primary-blue-light);
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover {
    color: var(--accent-purple);
}

/* 文章内容链接 */
.entry-content a {
    color: var(--primary-blue);
    text-decoration: underline;
    font-weight: 500;
    transition: var(--transition-base);
}

.entry-content a:hover {
    color: var(--accent-purple);
}

/* ===== 按钮样式 ===== */
.btn, .geo-button, .geo-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.btn-primary, .geo-button {
    background: linear-gradient(135deg, var(--primary-blue-light) 0%, var(--accent-purple) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(59, 130, 246, 0.4);
}

.btn-primary:hover, .geo-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(59, 130, 246, 0.5);
    color: var(--white);
}

.btn-secondary, .geo-button-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover, .geo-button-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
}

/* ===== 卡片样式 ===== */
.geo-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-slow);
    border: 1px solid var(--gray-200);
}

.geo-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

/* ===== 智子边界®品牌样式 ===== */
.zhizibianjie-link {
    color: var(--primary-blue) !important;
    font-weight: 700 !important;
    text-decoration: none !important;
    background: linear-gradient(135deg, var(--primary-blue-light), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: var(--transition-base);
}

.zhizibianjie-link:hover {
    transform: scale(1.02);
}

/* ===== GEO法则网链接样式 ===== */
.georules-link {
    color: var(--primary-blue) !important;
    font-weight: 600 !important;
    text-decoration: none !important;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.georules-link:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-purple) !important;
}

/* ===== 导航和头部 ===== */
.site-header {
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.main-navigation .menu-item a {
    font-weight: 500;
    transition: var(--transition-base);
    color: var(--text-primary);
}

.main-navigation .menu-item a:hover,
.main-navigation .current-menu-item a {
    color: var(--primary-blue) !important;
}

/* ===== 统计数据样式 ===== */
.geo-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.geo-stat-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    backdrop-filter: blur(10px);
    text-align: center;
    transition: var(--transition-base);
}

.geo-stat-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-4px);
}

.geo-stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.geo-stat-label {
    font-size: 0.95rem;
    color: #cbd5e1;
    font-weight: 500;
}

/* ===== 服务特色样式 ===== */
.geo-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
}

.geo-feature-item {
    position: relative;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl) var(--spacing-lg);
    text-align: center;
    transition: var(--transition-slow);
}

.geo-feature-item:hover {
    transform: translateY(-6px);
    border-color: rgba(59, 130, 246, 0.3);
    box-shadow: 0 12px 30px rgba(59, 130, 246, 0.12);
}

.geo-feature-icon {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    display: block;
    transition: var(--transition-slow);
}

.geo-feature-item:hover .geo-feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.geo-feature-title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.geo-feature-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ===== 页脚样式 ===== */
.site-footer {
    background: var(--dark-bg);
    color: #cbd5e1;
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-widget a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition-base);
}

.footer-widget a:hover {
    color: var(--primary-blue-light);
}

/* ===== 友情链接样式 ===== */
.geo-friend-link {
    background: var(--gray-50);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-primary);
    display: block;
    transition: var(--transition-base);
    border-left: 4px solid transparent;
}

.geo-friend-link:hover {
    background: var(--white);
    border-left-color: var(--primary-blue);
    box-shadow: var(--shadow-lg);
    color: var(--text-primary);
    text-decoration: none;
    transform: translateX(4px);
}

.geo-friend-link strong {
    color: var(--primary-blue);
    font-size: 1.1rem;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.geo-friend-link em {
    color: var(--text-light);
    font-size: 0.9rem;
    font-style: normal;
    line-height: 1.4;
}

/* ===== 友情链接网格 ===== */
.friend-links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

/* ===== 渐变文字 ===== */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-blue-light), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== 徽章 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: #60a5fa;
    backdrop-filter: blur(10px);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    :root {
        --spacing-xl: 40px;
        --spacing-2xl: 48px;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 32px;
        --spacing-2xl: 40px;
    }

    .geo-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .geo-stat-number {
        font-size: 2rem;
    }

    .geo-feature-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .friend-links-grid {
        grid-template-columns: 1fr;
    }

    .site-footer {
        padding: 40px 0 20px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .geo-stats-grid {
        grid-template-columns: 1fr;
    }

    .geo-card {
        padding: var(--spacing-md);
    }

    .btn, .geo-button {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

.floating {
    animation: float 3s ease-in-out infinite;
}

/* ===== 可访问性增强 ===== */
.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;
}

/* 焦点样式 */
a:focus,
button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--primary-blue);
    outline-offset: 2px;
}

/* 跳过导航链接 */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-blue);
    color: var(--white);
    padding: 8px 16px;
    text-decoration: none;
    border-radius: 0 0 var(--radius-sm) 0;
    z-index: 9999;
}

.skip-link:focus {
    top: 0;
}

/* ===== 减少动画偏好 ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ===== 高对比度模式 ===== */
@media (prefers-contrast: high) {
    :root {
        --primary-blue: #0052cc;
        --primary-blue-light: #0066ff;
        --text-primary: #000000;
        --text-secondary: #333333;
        --gray-200: #666666;
    }

    .btn, .geo-button {
        border: 2px solid currentColor;
    }
}

/* ===== 深色模式支持 ===== */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #e2e8f0;
        --text-secondary: #94a3b8;
        --white: #1e293b;
        --gray-50: #0f172a;
        --gray-100: #1e293b;
        --gray-200: #334155;
    }

    body {
        background: var(--dark-bg);
        color: var(--text-primary);
    }

    .geo-card {
        background: var(--dark-bg-2);
        border-color: var(--dark-bg-3);
    }

    .geo-friend-link {
        background: var(--dark-bg-2);
        color: var(--text-primary);
    }

    .site-header {
        background: var(--dark-bg-2);
        border-bottom-color: var(--dark-bg-3);
    }
}

/* ===== 打印样式 ===== */
@media print {
    .site-header,
    .site-footer,
    .geo-post-friends,
    .share-buttons,
    .related-posts,
    .article-sidebar {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .entry-content {
        font-size: 12pt;
        line-height: 1.4;
    }

    .entry-content a {
        color: #000 !important;
        text-decoration: underline !important;
    }

    .article-content h2,
    .article-content h3 {
        page-break-after: avoid;
    }

    img {
        max-width: 100% !important;
        page-break-inside: avoid;
    }
}

/* ===== 懒加载 ===== */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s;
}

.lazy-load.loaded {
    opacity: 1;
}

/* ===== 加载动画 ===== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-blue-light);
    animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
    to { transform: rotate(360deg); }
}

/* ===== 提示工具 ===== */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    padding: 8px 12px;
    background: var(--dark-bg);
    color: var(--white);
    font-size: 0.875rem;
    white-space: nowrap;
    border-radius: var(--radius-sm);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.tooltip:hover::after {
    opacity: 1;
}

/* ===== ICP备案样式 ===== */
.geo-icp-info {
    background: rgba(0, 0, 0, 0.2);
    padding: 20px 0;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.geo-icp-link {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-base);
}

.geo-icp-link:hover {
    color: var(--primary-blue-light);
}

/* ===== 占位符消息样式 ===== */
.placeholder-message {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
}

.placeholder-message-lg {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
}

/* ===== 实用工具类 ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.hidden { display: none !important; }
.visible { display: block !important; }

.flex { display: flex; }
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}
.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ===== Astra 主题覆盖样式 - 解决文章页面过大问题 ===== */

/* 移除 Astra 默认容器的 padding，让自定义样式完全生效 */
.ast-separate-container .ast-article-single,
.ast-separate-container .ast-article-post,
.ast-separate-container #primary,
.ast-separate-container #content {
    padding: 0 !important;
    margin: 0 !important;
}

/* 缩小单文章页的 Astra header */
.single-post .site-header {
    padding-top: 10px !important;
    padding-bottom: 10px !important;
}

.single-post .main-header-bar {
    min-height: auto !important;
}

/* 移除 Astra 默认的文章间距 */
.ast-separate-container .hentry {
    margin-bottom: 0 !important;
}

/* 覆盖 Astra 的文章内容样式 */
.single .site-content {
    padding-top: 0 !important;
}

.single .ast-container {
    padding-left: 0 !important;
    padding-right: 0 !important;
}

/* 移除 Astra 的特色图片默认样式 */
.ast-separate-container .site-content .ast-single-post-featured-section + article {
    margin-top: 0 !important;
}

/* 让自定义的 single-post-page 完全控制布局 */
.single-post-page {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 确保 article-header 的样式不被覆盖 */
.single-post-page .article-header {
    padding: 60px 20px 40px !important;
}

@media (max-width: 768px) {
    .single-post-page .article-header {
        padding: 50px 20px 30px !important;
    }
}

/* 响应式：移动端进一步优化 header */
@media (max-width: 921px) {
    .single-post .site-header {
        padding-top: 8px !important;
        padding-bottom: 8px !important;
    }
}