/* ============================================================
   Aurora Theme - CSS
   Modern mixed-type blog theme for emlog
   ============================================================ */

/* --- CSS Variables --- */
:root {
    --aurora-primary: #6366f1;
    --aurora-primary-light: #6366f122;
    --aurora-primary-hover: #4f46e5;
    --aurora-bg: #ffffff;
    --aurora-bg-alt: #f8f9fb;
    --aurora-card: #ffffff;
    --aurora-text: #1a1a2e;
    --aurora-text-secondary: #64748b;
    --aurora-text-muted: #94a3b8;
    --aurora-border: #e2e8f0;
    --aurora-border-light: #f1f5f9;
    --aurora-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --aurora-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --aurora-shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
    --aurora-radius: 12px;
    --aurora-radius-sm: 8px;
    --aurora-radius-xs: 6px;
    --aurora-header-h: 64px;
    --aurora-container-w: 1200px;
    --aurora-sidebar-w: 300px;
    --aurora-toc-w: 220px; /* reserved for inline TOC width */
    --aurora-transition: 0.2s ease;
    --aurora-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
}

[data-theme="dark"] {
    --aurora-bg: #0f172a;
    --aurora-bg-alt: #1e293b;
    --aurora-card: #1e293b;
    --aurora-text: #e2e8f0;
    --aurora-text-secondary: #94a3b8;
    --aurora-text-muted: #64748b;
    --aurora-border: #334155;
    --aurora-border-light: #1e293b;
    --aurora-shadow: 0 1px 3px rgba(0,0,0,0.2);
    --aurora-shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --aurora-shadow-lg: 0 10px 30px rgba(0,0,0,0.4);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--aurora-font);
    font-size: 15px;
    line-height: 1.7;
    color: var(--aurora-text);
    background: var(--aurora-bg);
    transition: background 0.3s ease, color 0.3s ease;
    min-height: 100vh;
}
a { color: var(--aurora-primary); text-decoration: none; transition: color 0.2s, border-color 0.2s; }
a:hover { color: var(--aurora-primary-hover); }
img { max-width: 100%; height: auto; }
ul, ol { list-style: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
h1, h2, h3, h4, h5, h6 { font-family: var(--aurora-font-heading); }

/* --- Container --- */
.aurora-container {
    max-width: var(--aurora-container-w);
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header --- */
.aurora-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--aurora-card);
    border-bottom: 1px solid var(--aurora-border);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: background var(--aurora-transition), border-color var(--aurora-transition);
}
.aurora-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--aurora-header-h);
}
.aurora-brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.aurora-logo-text {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--aurora-text);
    letter-spacing: -0.5px;
}
.aurora-logo-text:hover { color: var(--aurora-primary); }
.aurora-logo-img { height: 36px; width: auto; }

/* Navigation */
.aurora-nav { flex: 1; display: flex; justify-content: center; }
.aurora-nav-list { display: flex; align-items: center; gap: 4px; }
.aurora-nav-item { position: relative; }
.aurora-nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--aurora-text-secondary);
    border-radius: var(--aurora-radius-xs);
    transition: all var(--aurora-transition);
    white-space: nowrap;
}
.aurora-nav-link:hover,
.aurora-nav-link[aria-current="page"] {
    color: var(--aurora-primary);
    background: var(--aurora-primary-light);
}
.aurora-nav-avatar { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }

/* Dropdown */
.aurora-nav-dropdown { position: relative; }
.aurora-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 160px;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-sm);
    box-shadow: var(--aurora-shadow-md);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.15s ease;
    z-index: 100;
}
.aurora-nav-dropdown:hover .aurora-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.aurora-dropdown-menu li a {
    display: block;
    padding: 8px 14px;
    font-size: 0.85rem;
    color: var(--aurora-text-secondary);
    border-radius: var(--aurora-radius-xs);
    white-space: nowrap;
}
.aurora-dropdown-menu li a:hover {
    color: var(--aurora-primary);
    background: var(--aurora-primary-light);
}

/* Header Actions */
.aurora-header-actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.aurora-btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--aurora-radius-xs);
    color: var(--aurora-text-secondary);
    transition: all var(--aurora-transition);
}
.aurora-btn-icon:hover { color: var(--aurora-primary); background: var(--aurora-primary-light); }

/* Theme toggle icons */
[data-theme="dark"] .aurora-icon-moon { display: none; }
[data-theme="light"] .aurora-icon-sun,
:root:not([data-theme="dark"]) .aurora-icon-sun { display: none; }
[data-theme="dark"] .aurora-icon-sun { display: block; }

/* Mobile menu toggle */
.aurora-menu-toggle { display: none; flex-direction: column; gap: 5px; }
.aurora-menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--aurora-text-secondary);
    border-radius: 1px;
    transition: all 0.3s ease;
}
.aurora-menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.aurora-menu-toggle.active span:nth-child(2) { opacity: 0; }
.aurora-menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Search Bar */
.aurora-search-bar {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    border-top: 1px solid transparent;
}
.aurora-search-bar.active {
    max-height: 80px;
    border-top-color: var(--aurora-border);
}
.aurora-search-form {
    display: flex;
    padding: 12px 0;
    gap: 8px;
}
.aurora-search-form input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-sm);
    background: var(--aurora-bg);
    color: var(--aurora-text);
    font-size: 0.9rem;
    outline: none;
    transition: border-color var(--aurora-transition);
}
.aurora-search-form input:focus { border-color: var(--aurora-primary); }
.aurora-search-form button {
    padding: 10px 18px;
    background: var(--aurora-primary);
    color: #fff;
    border-radius: var(--aurora-radius-sm);
    display: flex;
    align-items: center;
    transition: background var(--aurora-transition);
}
.aurora-search-form button:hover { background: var(--aurora-primary-hover); }

/* Reading Progress */
.aurora-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--aurora-primary), #a78bfa);
    z-index: 1001;
    transition: width 0.1s linear;
}

/* --- Main Layout --- */
.aurora-main { padding: 24px 0 60px; min-height: calc(100vh - var(--aurora-header-h)); }
.aurora-layout {
    display: grid;
    grid-template-columns: 1fr var(--aurora-sidebar-w);
    gap: 28px;
    align-items: start;
}
.aurora-layout-article-removed {
    grid-template-columns: 1fr var(--aurora-toc-w) var(--aurora-sidebar-w);
}
.aurora-content { min-width: 0; }

/* --- Slider --- */
.aurora-slider {
    position: relative;
    border-radius: var(--aurora-radius);
    overflow: hidden;
    margin-bottom: 24px;
    aspect-ratio: 2.5 / 1;
    background: var(--aurora-bg-alt);
}
.aurora-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.6s ease;
}
.aurora-slide.active { opacity: 1; position: relative; }
.aurora-slide img { width: 100%; height: 100%; object-fit: cover; }
.aurora-slide-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 40px 24px 20px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
}
.aurora-slider-prev, .aurora-slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: rgba(0,0,0,0.4);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: background 0.2s;
    z-index: 2;
}
.aurora-slider-prev { left: 12px; }
.aurora-slider-next { right: 12px; }
.aurora-slider-prev:hover, .aurora-slider-next:hover { background: rgba(0,0,0,0.7); }
.aurora-slider-dots {
    position: absolute;
    bottom: 12px;
    right: 16px;
    display: flex;
    gap: 6px;
    z-index: 2;
}
.aurora-slider-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.2s;
}
.aurora-slider-dot.active { background: #fff; width: 20px; border-radius: 4px; }

/* --- Post Cards --- */
.aurora-post-list { display: flex; flex-direction: column; gap: 16px; }
.aurora-post-card {
    display: flex;
    background: var(--aurora-card);
    border: var(--aurora-card-border);
    border-radius: var(--aurora-radius);
    overflow: hidden;
    transition: all 0.25s ease;
}
.aurora-post-card:hover {
    border-color: var(--aurora-primary);
    box-shadow: var(--aurora-shadow-hover);
    transform: var(--aurora-card-transform);
    background: var(--aurora-card-hover);
}
.aurora-post-cover {
    position: relative;
    width: 240px;
    min-height: 160px;
    flex-shrink: 0;
    overflow: hidden;
}
.aurora-post-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.aurora-post-card:hover .aurora-post-cover img { transform: scale(1.05); }
.aurora-resource-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--aurora-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}
.aurora-post-body {
    flex: 1;
    padding: 18px 22px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}
.aurora-post-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
    font-size: 0.8rem;
    color: var(--aurora-text-muted);
    margin-bottom: 8px;
}
.aurora-meta-sep { margin: 0 2px; }
.aurora-post-title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
}
.aurora-post-title a { color: var(--aurora-text); }
.aurora-post-title a:hover { color: var(--aurora-primary); }
.aurora-post-excerpt {
    font-size: 0.88rem;
    color: var(--aurora-text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.aurora-post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.aurora-post-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.aurora-tag {
    display: inline-block;
    padding: 2px 10px;
    font-size: 0.75rem;
    color: var(--aurora-primary);
    background: var(--aurora-primary-light);
    border-radius: 20px;
    transition: all var(--aurora-transition);
}
.aurora-tag:hover { background: var(--aurora-primary); color: #fff; }
.aurora-post-stats { display: flex; gap: 12px; flex-shrink: 0; }
.aurora-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    color: var(--aurora-text-muted);
}
.aurora-sort-link a {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--aurora-bg-alt);
    border-radius: 4px;
    color: var(--aurora-text-secondary);
}
.aurora-sort-link a:hover { color: var(--aurora-primary); }
.aurora-badge {
    display: inline-block;
    padding: 1px 8px;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 4px;
}
.aurora-badge-top { background: #f59e0b; color: #fff; }
.aurora-edit-link {
    font-size: 0.78rem;
    color: var(--aurora-text-muted) !important;
    border: 1px solid var(--aurora-border);
    padding: 2px 8px;
    border-radius: 4px;
}
.aurora-author-link { font-weight: 500; }

/* --- Article Detail --- */
.aurora-article {
    background: var(--aurora-card);
    border: var(--aurora-card-border);
    border-radius: var(--aurora-radius);
    transition: all 0.2s ease;
}
.aurora-article-header { padding: 32px 32px 0; }
.aurora-article-cover { margin: -32px -32px 24px; overflow: hidden; max-height: 400px; }
.aurora-article-cover img { width: 100%; height: 100%; object-fit: cover; }
.aurora-article-title {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 16px;
    color: var(--aurora-text);
}
.aurora-article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--aurora-text-muted);
    padding-bottom: 20px;
    border-bottom: 1px solid var(--aurora-border-light);
}
.aurora-meta-item { display: flex; align-items: center; gap: 5px; }

/* Download Bar */
.aurora-download-bar {
    margin: 24px 32px;
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--aurora-primary-light), transparent);
    border: 1px solid var(--aurora-primary);
    border-radius: var(--aurora-radius-sm);
    position: relative;
    overflow: hidden;
}
.aurora-download-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--aurora-gradient);
}
.aurora-download-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
    color: var(--aurora-primary);
    margin-bottom: 12px;
}
.aurora-download-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}
.aurora-dl-tag {
    display: inline-block;
    padding: 4px 12px;
    font-size: 0.8rem;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: 20px;
    color: var(--aurora-text-secondary);
}
.aurora-download-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.aurora-dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    background: var(--aurora-primary);
    color: #fff !important;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--aurora-radius-sm);
    transition: all var(--aurora-transition);
}
.aurora-dl-btn:hover {
    background: var(--aurora-primary-hover);
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}
/* 网盘品牌颜色 */
.aurora-dl-baidu { background: #306cff !important; }
.aurora-dl-baidu:hover { background: #2050d6 !important; box-shadow: 0 4px 12px rgba(48,108,255,0.4) !important; }
.aurora-dl-quark { background: #6a5acd !important; }
.aurora-dl-quark:hover { background: #5849b8 !important; box-shadow: 0 4px 12px rgba(106,90,205,0.4) !important; }
.aurora-dl-lanzou { background: #2196f3 !important; }
.aurora-dl-lanzou:hover { background: #1976d2 !important; box-shadow: 0 4px 12px rgba(33,150,243,0.4) !important; }
.aurora-dl-ali { background: #ff6a00 !important; }
.aurora-dl-ali:hover { background: #e55d00 !important; box-shadow: 0 4px 12px rgba(255,106,0,0.4) !important; }
.aurora-dl-123 { background: #07c160 !important; }
.aurora-dl-123:hover { background: #06ad56 !important; box-shadow: 0 4px 12px rgba(7,193,96,0.4) !important; }
.aurora-dl-mega { background: #d92323 !important; }
.aurora-dl-mega:hover { background: #b71c1c !important; box-shadow: 0 4px 12px rgba(217,35,35,0.4) !important; }
.aurora-dl-github { background: #24292e !important; }
.aurora-dl-github:hover { background: #1b1f23 !important; box-shadow: 0 4px 12px rgba(36,41,46,0.4) !important; }
.aurora-inline-dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 16px;
    background: var(--aurora-primary);
    color: #fff !important;
    border-radius: var(--aurora-radius-xs);
    font-weight: 500;
}

/* Article Content / Markdown */
.aurora-article-content {
    padding: 28px 32px;
    font-size: 1rem;
    line-height: 1.85;
    color: var(--aurora-text);
    word-wrap: break-word;
    overflow-wrap: break-word;
}
.aurora-article-content h1 { font-size: 1.6rem; margin: 2em 0 0.8em; font-weight: 800; }
.aurora-article-content h2 { font-size: 1.35rem; margin: 1.8em 0 0.7em; font-weight: 700; padding-bottom: 0.3em; border-bottom: 1px solid var(--aurora-border-light); }
.aurora-article-content h3 { font-size: 1.15rem; margin: 1.5em 0 0.6em; font-weight: 700; }
.aurora-article-content h4 { font-size: 1rem; margin: 1.3em 0 0.5em; font-weight: 600; }
.aurora-article-content p { margin: 0 0 1.2em; }
.aurora-article-content img {
    border-radius: var(--aurora-radius-sm);
    margin: 1em 0;
    cursor: zoom-in;
    transition: transform 0.3s ease;
}
.aurora-article-content img:hover { transform: scale(1.02); }
.aurora-article-content blockquote {
    margin: 1.2em 0;
    padding: 16px 20px;
    border-left: 4px solid var(--aurora-primary);
    background: var(--aurora-bg-alt);
    border-radius: 0 var(--aurora-radius-xs) var(--aurora-radius-xs) 0;
    color: var(--aurora-text-secondary);
}
.aurora-article-content pre {
    margin: 1.2em 0;
    padding: 18px 22px;
    background: #1e293b;
    color: #e2e8f0;
    border-radius: var(--aurora-radius-sm);
    overflow-x: auto;
    font-size: 0.88rem;
    line-height: 1.65;
    position: relative;
}
[data-theme="dark"] .aurora-article-content pre { background: #0f172a; border: 1px solid var(--aurora-border); }
.aurora-article-content code {
    font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
    font-size: 0.88em;
}
.aurora-article-content :not(pre) > code {
    padding: 2px 6px;
    background: var(--aurora-bg-alt);
    border: 1px solid var(--aurora-border);
    border-radius: 4px;
    color: #e11d48;
}
[data-theme="dark"] .aurora-article-content :not(pre) > code { color: #fb7185; }
.aurora-article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.2em 0;
    font-size: 0.9rem;
}
.aurora-article-content th, .aurora-article-content td {
    padding: 10px 14px;
    border: 1px solid var(--aurora-border);
    text-align: left;
}
.aurora-article-content th { background: var(--aurora-bg-alt); font-weight: 600; }
.aurora-article-content hr {
    border: none;
    height: 1px;
    background: var(--aurora-border);
    margin: 2em 0;
}
.aurora-article-content ul, .aurora-article-content ol { padding-left: 1.5em; margin: 0.8em 0; }
.aurora-article-content li { margin: 0.3em 0; list-style: disc; }
.aurora-article-content ol li { list-style: decimal; }
.aurora-article-content a { color: var(--aurora-primary); border-bottom: 1px solid transparent; }
.aurora-article-content a:hover { border-bottom-color: var(--aurora-primary); }

/* Code copy button */
.aurora-code-copy {
    position: absolute;
    top: 8px;
    right: 8px;
    padding: 4px 10px;
    font-size: 0.75rem;
    color: #94a3b8;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    opacity: 0;
}
pre:hover .aurora-code-copy { opacity: 1; }
.aurora-code-copy:hover { color: #fff; background: rgba(255,255,255,0.2); }

/* Article Tags */
.aurora-article-tags {
    padding: 0 32px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Article Navigation */
.aurora-article-nav {
    display: flex;
    border-top: 1px solid var(--aurora-border-light);
}
.aurora-neighbor-link {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px 32px;
    color: var(--aurora-text-secondary);
    transition: all var(--aurora-transition);
}
.aurora-neighbor-link:hover { background: var(--aurora-bg-alt); color: var(--aurora-primary); }
.aurora-neighbor-next { text-align: right; }
.aurora-neighbor-dir { font-size: 0.8rem; color: var(--aurora-text-muted); }
.aurora-neighbor-title { font-weight: 600; font-size: 0.9rem; }

/* Comments */
.aurora-article-comments { padding: 0 32px 32px; }
.aurora-comment-header { margin-bottom: 20px; font-size: 1.05rem; }
.aurora-comment { display: flex; gap: 12px; padding: 16px 0; border-bottom: 1px solid var(--aurora-border-light); }
.aurora-comment-avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.aurora-comment-body { flex: 1; min-width: 0; }
.aurora-comment-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.aurora-comment-meta b { font-size: 0.9rem; }
.aurora-comment-time { font-size: 0.78rem; color: var(--aurora-text-muted); }
.aurora-comment-content { font-size: 0.9rem; line-height: 1.6; color: var(--aurora-text-secondary); }
.aurora-reply-btn {
    font-size: 0.78rem;
    color: var(--aurora-text-muted);
    margin-top: 6px;
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--aurora-border);
}
.aurora-reply-btn:hover { color: var(--aurora-primary); border-color: var(--aurora-primary); }
.aurora-comment-child { margin-left: 52px; border-bottom: none; padding: 12px 0; }
.aurora-comment-page { margin-top: 16px; text-align: center; }

/* Comment Form */
.aurora-comment-form-wrap { margin-top: 24px; }
.aurora-comment-form-wrap h3 { font-size: 1.05rem; margin-bottom: 16px; }
.aurora-form-textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-sm);
    background: var(--aurora-bg);
    color: var(--aurora-text);
    resize: vertical;
    min-height: 100px;
    outline: none;
    transition: border-color var(--aurora-transition);
}
.aurora-form-textarea:focus { border-color: var(--aurora-primary); }
.aurora-comment-fields {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}
.aurora-comment-fields input {
    flex: 1;
    min-width: 140px;
    padding: 10px 14px;
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-xs);
    background: var(--aurora-bg);
    color: var(--aurora-text);
    outline: none;
}
.aurora-comment-fields input:focus { border-color: var(--aurora-primary); }
.aurora-captcha { display: flex; align-items: center; }
.aurora-comment-actions { margin-top: 12px; display: flex; gap: 10px; align-items: center; }

/* Buttons */
.aurora-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--aurora-radius-sm);
    border: 1px solid var(--aurora-border);
    background: var(--aurora-card);
    color: var(--aurora-text);
    transition: all var(--aurora-transition);
}
.aurora-btn:hover { border-color: var(--aurora-primary); color: var(--aurora-primary); }
.aurora-btn-primary {
    background: var(--aurora-primary);
    color: #fff;
    border-color: var(--aurora-primary);
}
.aurora-btn-primary:hover { background: var(--aurora-primary-hover); color: #fff; border-color: var(--aurora-primary-hover); }

/* --- TOC Capsule (collapsible, floating overlay) --- */
.aurora-toc-capsule {
    float: right;
    margin: 12px 0 12px 16px;
    position: sticky;
    top: calc(var(--aurora-header-h) + 16px);
    z-index: 20;
}
.aurora-toc-toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--aurora-text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: var(--aurora-shadow);
    white-space: nowrap;
}
.aurora-toc-toggle:hover {
    color: var(--aurora-primary);
    border-color: var(--aurora-primary);
    background: var(--aurora-primary-light);
}
.aurora-toc-toggle.open {
    color: var(--aurora-primary);
    border-color: var(--aurora-primary);
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    border-bottom-color: transparent;
    background: var(--aurora-card);
}
.aurora-toc-arrow {
    transition: transform 0.2s;
}
.aurora-toc-toggle.open .aurora-toc-arrow {
    transform: rotate(180deg);
}
.aurora-toc-panel {
    display: none;
    margin-top: 4px;
    width: 240px;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-primary);
    border-radius: var(--aurora-radius);
    padding: 12px 14px;
    max-height: 60vh;
    overflow-y: auto;
    box-shadow: var(--aurora-shadow-lg);
}
.aurora-toc-panel.open {
    display: block;
}
.aurora-toc-inner {
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius);
    padding: 16px 18px;
}
.aurora-toc-title {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--aurora-text);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--aurora-border-light);
}
.aurora-toc-nav { font-size: 0.82rem; }
.aurora-toc-nav a {
    display: block;
    padding: 5px 0 5px 0;
    color: var(--aurora-text-secondary);
    line-height: 1.5;
    border-left: 2px solid transparent;
    padding-left: 10px;
    transition: all 0.15s;
}
.aurora-toc-nav a:hover,
.aurora-toc-nav a.active {
    color: var(--aurora-primary);
    border-left-color: var(--aurora-primary);
}
.aurora-toc-nav .toc-h3 { padding-left: 24px; }
.aurora-toc-nav .toc-h4 { padding-left: 38px; }

/* --- Sidebar Widgets --- */
.aurora-sidebar { display: flex; flex-direction: column; gap: 16px; }
.aurora-widget {
    background: var(--aurora-card);
    border: var(--aurora-card-border);
    border-radius: var(--aurora-radius);
    padding: 18px 20px;
    transition: all 0.2s ease;
}
.aurora-widget:hover {
    box-shadow: var(--aurora-shadow-md);
}
.aurora-widget-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--aurora-text);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--aurora-border-light);
}
.aurora-widget-list { display: flex; flex-direction: column; gap: 8px; }
.aurora-widget-list li { line-height: 1.5; }
.aurora-widget-list li a { font-size: 0.88rem; color: var(--aurora-text-secondary); }
.aurora-widget-list li a:hover { color: var(--aurora-primary); }
.aurora-sort-list ul { padding-left: 16px; margin-top: 4px; }
.aurora-sort-list span { color: var(--aurora-text-muted); font-size: 0.8rem; }

/* Blogger widget */
.aurora-widget-blogger { text-align: center; }
.aurora-blogger-avatar img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; margin-bottom: 10px; }
.aurora-blogger-name { font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
.aurora-blogger-desc { font-size: 0.85rem; color: var(--aurora-text-secondary); }

/* Tag cloud */
.aurora-tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.aurora-tag-cloud a {
    display: inline-block;
    padding: 3px 10px;
    background: var(--aurora-bg-alt);
    border-radius: 20px;
    color: var(--aurora-text-secondary);
    transition: all var(--aurora-transition);
}
.aurora-tag-cloud a:hover { background: var(--aurora-primary); color: #fff; }

/* Hot rank */
.aurora-hot-rank {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 4px;
    background: var(--aurora-bg-alt);
    color: var(--aurora-text-muted);
    margin-right: 8px;
    flex-shrink: 0;
}
.aurora-hot-rank.top3 { background: var(--aurora-primary); color: #fff; }

/* Post widget with cover */
.aurora-post-widget-list li { display: flex; align-items: center; gap: 10px; }
.aurora-post-widget-cover {
    width: 56px;
    height: 40px;
    border-radius: 4px;
    background-size: cover;
    background-position: center;
    flex-shrink: 0;
}
.aurora-post-widget-title { font-size: 0.85rem; color: var(--aurora-text-secondary); line-height: 1.4; }
.aurora-post-widget-title:hover { color: var(--aurora-primary); }

/* Comment widget */
.aurora-comment-list li { display: flex; gap: 10px; }
.aurora-comment-avatar { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.aurora-comment-body { flex: 1; min-width: 0; }
.aurora-comment-name { font-size: 0.82rem; font-weight: 600; }
.aurora-comment-time { font-size: 0.72rem; color: var(--aurora-text-muted); margin-left: 6px; }
.aurora-comment-text { font-size: 0.82rem; color: var(--aurora-text-secondary); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Widget search */
.aurora-widget-search { display: flex; gap: 6px; }
.aurora-widget-search input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-xs);
    background: var(--aurora-bg);
    color: var(--aurora-text);
    font-size: 0.85rem;
    outline: none;
}
.aurora-widget-search input:focus { border-color: var(--aurora-primary); }
.aurora-widget-search button {
    padding: 8px 12px;
    background: var(--aurora-primary);
    color: #fff;
    border-radius: var(--aurora-radius-xs);
    display: flex;
    align-items: center;
}

/* Widget select */
.aurora-widget-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-xs);
    background: var(--aurora-bg);
    color: var(--aurora-text);
    font-size: 0.85rem;
}

/* Widget custom */
.aurora-widget-custom { font-size: 0.88rem; color: var(--aurora-text-secondary); line-height: 1.6; }
.aurora-widget-custom a { color: var(--aurora-primary); }

/* Twitter widget */
.aurora-twitter-list li { display: flex; gap: 10px; }
.aurora-twitter-text { font-size: 0.85rem; color: var(--aurora-text-secondary); margin-top: 2px; line-height: 1.5; }

/* --- Pagination --- */
.aurora-pagination { margin-top: 24px; display: flex; justify-content: center; }
.aurora-pagination a, .aurora-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    margin: 0 3px;
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-xs);
    font-size: 0.88rem;
    color: var(--aurora-text-secondary);
    transition: all var(--aurora-transition);
}
.aurora-pagination a:hover { border-color: var(--aurora-primary); color: var(--aurora-primary); }
.aurora-pagination .active, .aurora-pagination span.current {
    background: var(--aurora-primary);
    color: #fff;
    border-color: var(--aurora-primary);
}

/* --- Empty State --- */
.aurora-empty {
    text-align: center;
    padding: 80px 20px;
    color: var(--aurora-text-muted);
}
.aurora-empty p { margin-top: 16px; font-size: 0.95rem; }

/* --- 404 Page --- */
.aurora-404 {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--aurora-bg);
}
.aurora-404-card {
    text-align: center;
    padding: 48px 40px;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius);
    box-shadow: var(--aurora-shadow-md);
    max-width: 420px;
    width: 90%;
}
.aurora-404-code {
    font-size: 5rem;
    font-weight: 900;
    color: var(--aurora-border);
    line-height: 1;
    margin-bottom: 8px;
}
.aurora-404-msg {
    font-size: 1rem;
    color: var(--aurora-text-secondary);
    margin-bottom: 24px;
}

/* --- Footer --- */
.aurora-footer {
    border-top: 1px solid var(--aurora-border);
    background: var(--aurora-bg-alt);
    padding: 28px 0;
    transition: background var(--aurora-transition);
}
.aurora-footer-inner { text-align: center; font-size: 0.85rem; color: var(--aurora-text-muted); }
.aurora-footer-info { margin-bottom: 8px; }
.aurora-footer-info a { color: var(--aurora-text-muted); }
.aurora-footer-info a:hover { color: var(--aurora-primary); }
.aurora-footer-links { margin-top: 8px; display: flex; justify-content: center; gap: 16px; }
.aurora-footer-links a { color: var(--aurora-text-muted); font-size: 0.82rem; }
.aurora-footer-links a:hover { color: var(--aurora-primary); }

/* --- Side Toolbar --- */
.aurora-side-toolbar {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
}
.aurora-toolbar-btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: 50%;
    box-shadow: var(--aurora-shadow-md);
    color: var(--aurora-text-secondary);
    transition: all var(--aurora-transition);
}
.aurora-toolbar-btn:hover { color: var(--aurora-primary); border-color: var(--aurora-primary); }

/* --- Auth Modal (login/register) --- */
.auth-modal-mask {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
}
.auth-modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2001;
}
.auth-modal-card {
    position: relative;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius);
    box-shadow: var(--aurora-shadow-lg);
    padding: 32px;
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
}
.auth-modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 1.5rem;
    color: var(--aurora-text-muted);
    background: none;
    border: none;
    cursor: pointer;
}
.auth-modal-head h3 { font-size: 1.2rem; margin-bottom: 20px; text-align: center; }
.auth-modal-alert { margin-bottom: 12px; font-size: 0.9rem; }
.auth-form-row { margin-bottom: 12px; }
.auth-form-row input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-xs);
    background: var(--aurora-bg);
    color: var(--aurora-text);
    font-size: 0.9rem;
    outline: none;
}
.auth-form-row input:focus { border-color: var(--aurora-primary); }
.auth-captcha-row { display: flex; gap: 8px; }
.auth-captcha-row img { height: 40px; cursor: pointer; border-radius: 4px; }
.auth-checkbox { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--aurora-text-secondary); margin-bottom: 16px; cursor: pointer; }
.auth-submit {
    width: 100%;
    padding: 12px;
    background: var(--aurora-primary);
    color: #fff;
    border: none;
    border-radius: var(--aurora-radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--aurora-transition);
}
.auth-submit:hover { background: var(--aurora-primary-hover); }
.auth-modal-switch { text-align: center; margin-top: 16px; font-size: 0.85rem; }
.auth-modal-switch a { margin: 0 8px; color: var(--aurora-primary); }
.auth-inline-row { display: flex; gap: 8px; }
.auth-inline-btn { white-space: nowrap; padding: 11px 16px; border: 1px solid var(--aurora-border); border-radius: var(--aurora-radius-xs); background: var(--aurora-bg-alt); cursor: pointer; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .aurora-layout { grid-template-columns: 1fr; }
    .aurora-sidebar { order: 2; }
    .aurora-toc-capsule { display: none; }
}

@media (max-width: 768px) {
    :root { --aurora-header-h: 56px; }
    .aurora-nav {
        position: fixed;
        top: var(--aurora-header-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--aurora-card);
        padding: 16px;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        z-index: 999;
    }
    .aurora-nav.active { transform: translateX(0); }
    .aurora-nav-list { flex-direction: column; align-items: stretch; }
    .aurora-nav-link { padding: 12px 16px; font-size: 1rem; }
    .aurora-dropdown-menu {
        position: static;
        transform: none;
        opacity: 1;
        visibility: visible;
        box-shadow: none;
        border: none;
        padding: 0 0 0 16px;
    }
    .aurora-menu-toggle { display: flex; }

    .aurora-slider { aspect-ratio: 2 / 1; }

    .aurora-post-card { flex-direction: column; }
    .aurora-post-cover { width: 100%; min-height: 180px; }
    .aurora-post-body { padding: 14px 16px; }

    .aurora-article-header { padding: 20px 16px 0; }
    .aurora-article-content { padding: 20px 16px; }
    .aurora-article-tags { padding: 0 16px 16px; }
    .aurora-article-nav { flex-direction: column; }
    .aurora-neighbor-link { padding: 14px 16px; }
    .aurora-article-comments { padding: 0 16px 24px; }
    .aurora-download-bar { margin: 16px; }

    .aurora-article-cover { margin: -20px -16px 16px; }

    .aurora-side-toolbar { bottom: 16px; right: 16px; }
}

@media (max-width: 480px) {
    .aurora-download-buttons { flex-direction: column; }
    .aurora-dl-btn { justify-content: center; }
    .aurora-download-meta { flex-direction: column; }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--aurora-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--aurora-text-muted); }

/* --- Selection --- */
::selection { background: var(--aurora-primary); color: #fff; }

/* === Homepage Sections === */
.aurora-sections { margin-top: 32px; }
.aurora-section { margin-bottom: 32px; }
.aurora-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--aurora-border);
}
.aurora-section-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--aurora-text);
    position: relative;
    padding-left: 14px;
}
.aurora-section-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: var(--aurora-section-bar);
    height: 20px;
    background: var(--aurora-gradient);
    border-radius: 2px;
}
.aurora-section-more {
    font-size: 0.85rem;
    color: var(--aurora-text-muted);
}
.aurora-section-more:hover { color: var(--aurora-primary); }
.aurora-section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}
.aurora-section-card {
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-sm);
    overflow: hidden;
    transition: all var(--aurora-transition);
}
.aurora-section-card:hover {
    border-color: var(--aurora-primary);
    box-shadow: var(--aurora-shadow-md);
    transform: translateY(-2px);
}
.aurora-section-card-cover {
    display: block;
    height: 140px;
    overflow: hidden;
}
.aurora-section-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.aurora-section-card:hover .aurora-section-card-cover img { transform: scale(1.05); }
.aurora-section-card-body {
    padding: 12px 14px;
}
.aurora-section-card-body h3 {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 4px;
}
.aurora-section-card-body h3 a { color: var(--aurora-text); }
.aurora-section-card-body h3 a:hover { color: var(--aurora-primary); }
.aurora-section-card-date {
    font-size: 0.78rem;
    color: var(--aurora-text-muted);
}
.aurora-section-empty {
    text-align: center;
    padding: 32px;
    color: var(--aurora-text-muted);
    font-size: 0.9rem;
}

/* === Ad Slots === */
.aurora-ad-slot {
    margin: 16px 0;
    text-align: center;
}
.aurora-ad-slot img { max-width: 100%; border-radius: var(--aurora-radius-sm); }

/* === Share Buttons === */
.aurora-share-wrap {
    padding: 16px 32px;
    border-top: 1px solid var(--aurora-border-light);
}
.aurora-share-title {
    font-size: 0.85rem;
    color: var(--aurora-text-muted);
    margin-bottom: 10px;
}
.aurora-share-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.aurora-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    font-size: 0.82rem;
    font-weight: 500;
    border: 1px solid var(--aurora-border);
    border-radius: 20px;
    color: var(--aurora-text-secondary);
    background: var(--aurora-card);
    transition: all var(--aurora-transition);
    cursor: pointer;
}
.aurora-share-btn:hover {
    border-color: var(--aurora-primary);
    color: var(--aurora-primary);
}
.aurora-share-btn.aurora-share-wechat { color: #07c160; border-color: #07c16033; }
.aurora-share-btn.aurora-share-wechat:hover { background: #07c160; color: #fff; }
.aurora-share-btn.aurora-share-qq { color: #1296db; border-color: #1296db33; }
.aurora-share-btn.aurora-share-qq:hover { background: #1296db; color: #fff; }
.aurora-share-btn.aurora-share-weibo { color: #e6162d; border-color: #e6162d33; }
.aurora-share-btn.aurora-share-weibo:hover { background: #e6162d; color: #fff; }
.aurora-share-btn.aurora-share-copy.copied {
    border-color: var(--aurora-primary);
    color: var(--aurora-primary);
}

/* === Popup Announcement === */
.aurora-announce-mask {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 3000;
    display: none;
}
.aurora-announce-mask.show { display: flex; align-items: center; justify-content: center; }
.aurora-announce-card {
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius);
    box-shadow: var(--aurora-shadow-lg);
    max-width: 480px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}
.aurora-announce-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 24px;
    border-bottom: 1px solid var(--aurora-border-light);
}
.aurora-announce-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
}
.aurora-announce-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--aurora-text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--aurora-transition);
}
.aurora-announce-close:hover { background: var(--aurora-bg-alt); color: var(--aurora-text); }
.aurora-announce-body {
    padding: 20px 24px;
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--aurora-text-secondary);
}
.aurora-announce-body a { color: var(--aurora-primary); }

@media (max-width: 768px) {
    .aurora-section-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
    .aurora-section-card-cover { height: 100px; }
    .aurora-share-wrap { padding: 12px 16px; }
}

/* === Aurora Compact Layout === */
.aurora-post-list-compact .aurora-post-card {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--aurora-border-light);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}
.aurora-post-list-compact .aurora-post-card:hover {
    background: transparent;
    box-shadow: none;
}
.aurora-post-list-compact .aurora-post-card .aurora-post-cover {
    display: none;
}
.aurora-post-list-compact .aurora-post-body {
    flex: 1;
    min-width: 0;
}
.aurora-post-list-compact .aurora-post-title {
    font-size: 1.05rem;
    margin-bottom: 4px;
}
.aurora-post-list-compact .aurora-post-excerpt {
    font-size: 0.85rem;
    -webkit-line-clamp: 2;
}
.aurora-post-list-compact .aurora-post-meta {
    font-size: 0.8rem;
}
.aurora-post-list-compact .aurora-post-footer {
    margin-top: 6px;
}
.aurora-post-list-compact .aurora-resource-badge {
    position: static;
    display: inline-flex;
    vertical-align: middle;
    margin-left: 8px;
    font-size: 0.7rem;
    padding: 2px 6px;
}

/* ========== 分类区块 - 左图右文列表 ========== */
.aurora-section-list { display:flex; flex-direction:column; gap:14px; }
.aurora-section-list-item { display:flex; gap:16px; background:var(--aurora-card); border:1px solid var(--aurora-border); border-radius:var(--aurora-radius-sm); overflow:hidden; transition:all var(--aurora-transition); }
.aurora-section-list-item:hover { border-color:var(--aurora-primary); box-shadow:var(--aurora-shadow-md); }
.aurora-section-list-cover { flex-shrink:0; width:200px; height:130px; overflow:hidden; }
.aurora-section-list-cover img { width:100%; height:100%; object-fit:cover; transition:transform 0.4s; }
.aurora-section-list-item:hover .aurora-section-list-cover img { transform:scale(1.05); }
.aurora-section-list-body { flex:1; padding:14px 16px; display:flex; flex-direction:column; justify-content:center; min-width:0; }
.aurora-section-list-body h3 { font-size:1rem; font-weight:600; line-height:1.4; margin-bottom:6px; }
.aurora-section-list-body h3 a { color:var(--aurora-text); }
.aurora-section-list-body h3 a:hover { color:var(--aurora-primary); }
.aurora-section-list-excerpt { font-size:0.85rem; color:var(--aurora-text-secondary); line-height:1.5; margin-bottom:8px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.aurora-section-list-meta { font-size:0.78rem; color:var(--aurora-text-muted); display:flex; gap:12px; }

/* ========== 分类区块 - 紧凑文字列表 ========== */
.aurora-section-compact { display:grid; grid-template-columns:repeat(2,1fr); gap:0; border:1px solid var(--aurora-border); border-radius:var(--aurora-radius-sm); overflow:hidden; background:var(--aurora-card); }
.aurora-section-compact-item { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:10px 16px; border-bottom:1px solid var(--aurora-border); transition:background var(--aurora-transition); }
.aurora-section-compact-item:nth-child(odd) { border-right:1px solid var(--aurora-border); }
.aurora-section-compact-item:hover { background:var(--aurora-bg-alt); }
.aurora-section-compact-item a { flex:1; font-size:0.9rem; color:var(--aurora-text); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; text-decoration:none; }
.aurora-section-compact-item a:hover { color:var(--aurora-primary); }
.aurora-section-compact-item time { flex-shrink:0; font-size:0.78rem; color:var(--aurora-text-muted); }

/* ========== 分类区块 - 杂志布局 ========== */
.aurora-section-magazine {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 16px;
}
.aurora-mag-featured {
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-sm);
    overflow: hidden;
    transition: all var(--aurora-transition);
}
.aurora-mag-featured:hover {
    border-color: var(--aurora-primary);
    box-shadow: var(--aurora-shadow-md);
}
.aurora-mag-featured-cover {
    display: block;
    height: 260px;
    overflow: hidden;
}
.aurora-mag-featured-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s;
}
.aurora-mag-featured:hover .aurora-mag-featured-cover img { transform: scale(1.03); }
.aurora-mag-featured-body {
    padding: 16px 20px;
}
.aurora-mag-featured-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 8px;
}
.aurora-mag-featured-body h3 a { color: var(--aurora-text); }
.aurora-mag-featured-body h3 a:hover { color: var(--aurora-primary); }
.aurora-mag-featured-excerpt {
    font-size: 0.88rem;
    color: var(--aurora-text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.aurora-mag-featured-meta {
    font-size: 0.78rem;
    color: var(--aurora-text-muted);
    display: flex;
    gap: 14px;
}
.aurora-mag-side {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.aurora-mag-side-item {
    display: flex;
    gap: 10px;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-sm);
    overflow: hidden;
    transition: all var(--aurora-transition);
}
.aurora-mag-side-item:hover {
    border-color: var(--aurora-primary);
    box-shadow: var(--aurora-shadow-md);
}
.aurora-mag-side-cover {
    flex-shrink: 0;
    width: 100px;
    overflow: hidden;
}
.aurora-mag-side-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
    min-height: 80px;
}
.aurora-mag-side-item:hover .aurora-mag-side-cover img { transform: scale(1.05); }
.aurora-mag-side-body {
    flex: 1;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}
.aurora-mag-side-body h4 {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 6px;
}
.aurora-mag-side-body h4 a {
    color: var(--aurora-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.aurora-mag-side-body h4 a:hover { color: var(--aurora-primary); }
.aurora-mag-side-body time {
    font-size: 0.75rem;
    color: var(--aurora-text-muted);
}

/* 底部横排 */
.aurora-mag-bottom {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 12px;
}
.aurora-mag-bottom-card {
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-sm);
    overflow: hidden;
    transition: all var(--aurora-transition);
}
.aurora-mag-bottom-card:hover {
    border-color: var(--aurora-primary);
    box-shadow: var(--aurora-shadow-md);
}
.aurora-mag-bottom-cover {
    display: block;
    height: 120px;
    overflow: hidden;
}
.aurora-mag-bottom-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.aurora-mag-bottom-card:hover .aurora-mag-bottom-cover img { transform: scale(1.05); }
.aurora-mag-bottom-body {
    padding: 10px 12px;
}
.aurora-mag-bottom-body h4 {
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 4px;
}
.aurora-mag-bottom-body h4 a {
    color: var(--aurora-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.aurora-mag-bottom-body h4 a:hover { color: var(--aurora-primary); }
.aurora-mag-bottom-body time {
    font-size: 0.75rem;
    color: var(--aurora-text-muted);
}
/* ========== 分类区块 - 响应式 ========== */
@media (max-width:768px) {
    .aurora-section-list-cover { width:120px; height:90px; }
    .aurora-section-list-body { padding:10px 12px; }
    .aurora-section-list-excerpt { display:none; }
    .aurora-section-compact { grid-template-columns:1fr; }
    .aurora-section-compact-item:nth-child(odd) { border-right:none; }
    .aurora-section-magazine { grid-template-columns:1fr; }
    .aurora-mag-featured-cover { height:200px; }
    .aurora-mag-side-cover { width:80px; }
    .aurora-mag-bottom { grid-template-columns:1fr 1fr; }
}

/* ========== AI导航页面 ========== */
.aurora-ai-nav { max-width: 1100px; margin: 0 auto; padding: 20px 0; }
.aurora-ai-header { text-align: center; margin-bottom: 28px; }
.aurora-ai-title { font-size: 1.6rem; font-weight: 700; display: inline-flex; align-items: center; gap: 10px; color: var(--aurora-text); }
.aurora-ai-title svg { color: var(--aurora-primary); }
.aurora-ai-subtitle { font-size: 0.95rem; color: var(--aurora-text-secondary); margin-top: 6px; }

/* 搜索 */
.aurora-ai-search { max-width: 520px; margin: 0 auto 24px; position: relative; }
.aurora-ai-search svg { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--aurora-text-muted); pointer-events: none; }
.aurora-ai-search input[type="text"] { width: 100%; padding: 12px 16px 12px 42px; border: 1px solid var(--aurora-border); border-radius: var(--aurora-radius); background: var(--aurora-card); color: var(--aurora-text); font-size: 0.95rem; outline: none; transition: border-color 0.2s; }
.aurora-ai-search input[type="text"]:focus { border-color: var(--aurora-primary); }

/* 分类标签 */
.aurora-ai-cats { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 16px; }
.aurora-ai-cat { display: inline-flex; align-items: center; gap: 5px; padding: 6px 14px; border-radius: 20px; font-size: 0.85rem; color: var(--aurora-text-secondary); background: var(--aurora-bg-alt); border: 1px solid var(--aurora-border); text-decoration: none; transition: all 0.2s; cursor: pointer; }
.aurora-ai-cat:hover, .aurora-ai-cat.active { background: var(--aurora-primary); color: #fff; border-color: var(--aurora-primary); }
.aurora-ai-cat i { font-size: 1rem; }

/* 标签云 */
.aurora-ai-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 24px; }
.aurora-ai-tag { padding: 3px 10px; border-radius: 12px; font-size: 0.78rem; color: var(--aurora-text-muted); background: var(--aurora-card); border: 1px solid var(--aurora-border); cursor: pointer; transition: all 0.2s; }
.aurora-ai-tag:hover, .aurora-ai-tag.active { background: var(--aurora-primary-light); color: var(--aurora-primary); border-color: var(--aurora-primary); }

/* 工具网格 */
.aurora-ai-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; margin-bottom: 20px; }
.aurora-ai-card { display: flex; gap: 14px; padding: 16px; background: var(--aurora-card); border: 1px solid var(--aurora-border); border-radius: var(--aurora-radius); text-decoration: none; color: inherit; transition: all 0.2s; }
.aurora-ai-card:hover { border-color: var(--aurora-primary); box-shadow: var(--aurora-shadow-md); transform: translateY(-2px); }
.aurora-ai-card-icon { flex-shrink: 0; width: 48px; height: 48px; border-radius: 12px; overflow: hidden; background: var(--aurora-bg-alt); display: flex; align-items: center; justify-content: center; }
.aurora-ai-card-icon img { width: 100%; height: 100%; object-fit: cover; }
.aurora-ai-card-letter { font-size: 1.2rem; font-weight: 700; color: var(--aurora-primary); }
.aurora-ai-card-body { flex: 1; min-width: 0; }
.aurora-ai-card-name { font-size: 0.95rem; font-weight: 600; color: var(--aurora-text); margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
.aurora-ai-hot { font-size: 0.7rem; padding: 1px 6px; border-radius: 4px; background: #f59e0b; color: #fff; font-weight: 500; }
.aurora-ai-card-desc { font-size: 0.82rem; color: var(--aurora-text-secondary); line-height: 1.4; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.aurora-ai-card-meta { display: flex; gap: 8px; align-items: center; }
.aurora-ai-card-cat { font-size: 0.75rem; color: var(--aurora-text-muted); }
.aurora-ai-free { font-size: 0.72rem; padding: 1px 6px; border-radius: 4px; background: rgba(5,150,105,0.1); color: #059669; }
.aurora-ai-paid { font-size: 0.72rem; padding: 1px 6px; border-radius: 4px; background: rgba(225,29,72,0.1); color: #e11d48; }

/* 空状态 */
.aurora-ai-empty { grid-column: 1/-1; text-align: center; padding: 60px 20px; color: var(--aurora-text-muted); }
.aurora-ai-empty p { margin-top: 12px; }
.aurora-ai-count { text-align: center; font-size: 0.82rem; color: var(--aurora-text-muted); }

/* 响应式 */
@media (max-width: 768px) {
    .aurora-ai-grid { grid-template-columns: 1fr; }
    .aurora-ai-title { font-size: 1.3rem; }
    .aurora-ai-cats { gap: 6px; }
    .aurora-ai-cat { padding: 5px 10px; font-size: 0.8rem; }
}

/* ========== 首页AI导航 ========== */
.aurora-ai-home-section { margin-bottom: 24px; }
.aurora-ai-home-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}
.aurora-ai-home-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: var(--aurora-radius-sm);
    text-decoration: none;
    color: inherit;
    transition: all 0.2s;
}
.aurora-ai-home-card:hover {
    border-color: var(--aurora-primary);
    box-shadow: var(--aurora-shadow-md);
    transform: translateY(-1px);
}
.aurora-ai-home-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--aurora-bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
}
.aurora-ai-home-icon img { width: 100%; height: 100%; object-fit: cover; }
.aurora-ai-home-icon span { font-size: 1rem; font-weight: 700; color: var(--aurora-primary); }
.aurora-ai-home-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--aurora-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}
.aurora-ai-home-name i {
    font-style: normal;
    font-size: 0.65rem;
    padding: 1px 4px;
    border-radius: 3px;
    background: #f59e0b;
    color: #fff;
    margin-left: 4px;
    vertical-align: middle;
}
.aurora-ai-home-desc {
    display: none;
}

/* 首页AI紧凑列表 */
.aurora-ai-home-compact {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.aurora-ai-home-compact-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--aurora-card);
    border: 1px solid var(--aurora-border);
    border-radius: 20px;
    text-decoration: none;
    color: var(--aurora-text);
    font-size: 0.85rem;
    transition: all 0.2s;
}
.aurora-ai-home-compact-item:hover {
    border-color: var(--aurora-primary);
    color: var(--aurora-primary);
}
.aurora-ai-home-compact-item em {
    font-style: normal;
    font-size: 0.65rem;
    padding: 1px 4px;
    border-radius: 3px;
    background: #f59e0b;
    color: #fff;
}
@media (max-width: 768px) {
    .aurora-ai-home-grid { grid-template-columns: repeat(2, 1fr); }
}