/*
Theme Name: default
Author: default
*/

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --dark-bg: #0D0D0D;
    --dark-secondary: #1A1A1A;
    --dark-border: #333;
    --text-primary: #FFFFFF;
    --text-secondary: #E0E0E0;
    --text-muted: #9E9E9E;
    --accent-color: #4285F4;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-secondary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; letter-spacing: 0.5px; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
    margin-bottom: 1rem;
    opacity: 0.9;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    filter: brightness(1.15);
}

/* Layout Components */
.container-xl {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Navigation */
.navbar-dark {
    background-color: var(--dark-secondary);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--dark-border);
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
}

.navbar-brand img {
    height: 30px;
    width: auto;
    margin-right: 10px;
}

.nav-link {
    color: var(--text-secondary) !important;
    padding: 0.5rem 1rem;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary) !important;
    filter: brightness(1.1);
}

.navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Main Content */
main {
    margin-top: 80px;
    min-height: calc(100vh - 200px);
}

/* Article Cards */
.article-card {
    background-color: var(--dark-secondary);
    border: 1px solid var(--dark-border);
    margin-bottom: 2rem;
    transition: var(--transition);
}

.article-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.article-card .featured-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
}

.article-card-body {
    padding: 1.5rem;
}

.article-card h2 {
    margin-top: 0;
}

.article-card h2 a {
    color: var(--text-primary);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.badge {
    background-color: var(--accent-color);
    color: var(--text-primary);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.excerpt {
    color: var(--text-secondary);
    opacity: 0.9;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

/* Sidebar */
.sidebar {
    margin-top: 2rem;
}

.sidebar .card {
    background-color: var(--dark-secondary);
    border: 1px solid var(--dark-border);
    margin-bottom: 2rem;
}

.sidebar .card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--dark-border);
    padding: 1rem;
}

.sidebar .card-title {
    margin: 0;
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-primary);
}

.sidebar .card-body {
    padding: 1rem;
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-cloud a {
    background-color: var(--dark-bg);
    color: var(--text-secondary);
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    transition: var(--transition);
}

.tag-cloud a:hover {
    background-color: var(--accent-color);
    color: var(--text-primary);
}

/* Single Post */
.post-header {
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--dark-secondary) 100%);
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.breadcrumb {
    background-color: transparent;
    padding: 0;
    margin-bottom: 1rem;
}

.breadcrumb-item {
    color: var(--text-muted);
}

.breadcrumb-item.active {
    color: var(--text-secondary);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--accent-color);
}

.post-content {
    background-color: var(--dark-secondary);
    border: 1px solid var(--dark-border);
    padding: 2rem;
    margin-bottom: 2rem;
}

.post-content img {
    max-width: 100%;
    height: auto;
    margin: 1.5rem 0;
}

.post-navigation {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
}

.post-navigation a {
    background-color: var(--accent-color);
    color: var(--text-primary);
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: var(--transition);
}

.post-navigation a:hover {
    filter: brightness(1.15);
}

/* Footer */
.site-footer {
    background-color: var(--dark-bg);
    padding: 2rem 0;
    border-top: 1px solid var(--dark-border);
    text-align: center;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 991px) {
    .sidebar {
        display: none;
    }
    
    .col-lg-9 {
        flex: 0 0 100%;
        max-width: 100%;
    }
    
    body {
        font-size: 0.9rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}

article.post-content >p >img { /* 详情页图片 */
  max-width: 100%;
}
@media (min-width: 768px) {
  article.post-content >p >img {
    max-width: 66%;
  }
}
@media (min-width: 992px) {
  article.post-content >p >img {
    max-width: 33%;
  }
}