/* =============================================================
 * Kitten.css - Kitten博客模板统一样式
 * 设计风格参考：现代 / 浅色主题 + 现代卡片设计
 * 作者：左岸ف
 * ============================================================= */

/* ---------- 1. CSS 变量定义 ---------- */
:root {
    /* 色彩体系 - 现代浅色风格 */
    --Kitten-bg: #f5f5f7;
    --Kitten-bg-secondary: #ffffff;
    --Kitten-bg-card: #ffffff;
    --Kitten-bg-header: #1a1a2e;
    --Kitten-text-primary: #1a1a2e;
    --Kitten-text-secondary: #6b7280;
    --Kitten-text-muted: #9ca3af;

    /* 主色：橙红 */
    --Kitten-accent: #ff6b35;
    --Kitten-accent-hover: #ff8a5c;
    /* 辅色：蓝色 */
    --Kitten-accent-secondary: #4facfe;
    /* 强调色：紫色 */
    --Kitten-accent-third: #a855f7;
    /* 成功色：绿色 */
    --Kitten-success: #22c55e;

    /* 间距 */
    --Kitten-spacing-xs: 8px;
    --Kitten-spacing-sm: 16px;
    --Kitten-spacing-md: 24px;
    --Kitten-spacing-lg: 48px;
    --Kitten-spacing-xl: 80px;

    /* 圆角 */
    --Kitten-radius-sm: 8px;
    --Kitten-radius-md: 12px;
    --Kitten-radius-lg: 16px;
    --Kitten-radius-xl: 20px;
    --Kitten-radius-full: 999px;

    /* 阴影 */
    --Kitten-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --Kitten-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --Kitten-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
    --Kitten-shadow-card-hover: 0 8px 30px rgba(255, 107, 53, 0.18);

    /* 动画 */
    --Kitten-anim-fast: 0.2s;
    --Kitten-anim-normal: 0.3s;
    --Kitten-anim-slow: 0.6s;
}

/* ---------- 2. 重置与基础样式 ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
                 "Helvetica Neue", Helvetica, Arial, "Segoe UI", Roboto, sans-serif;
    background-color: var(--Kitten-bg);
    color: var(--Kitten-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    font-size: 15px;
}

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

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ---------- 3. 背景层 ---------- */
#Kitten-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--Kitten-bg);
}

#Kitten-bg canvas {
    display: block;
    width: 100%;
    height: 100%;
    opacity: 0.5;
}

/* ---------- 4. 滚动进度条 ---------- */
#Kitten-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--Kitten-accent), var(--Kitten-accent-third));
    z-index: 1000;
    transition: width 0.1s linear;
    box-shadow: 0 0 8px rgba(255, 107, 53, 0.5);
}

/* ---------- 5. 应用容器 ---------- */
#Kitten-app {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---------- 6. 顶部导航（白色 + 深色文字，参照 liehuo.cc） ---------- */
#Kitten-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: #ffffff;
    padding: 0 var(--Kitten-spacing-lg);
    transition: all var(--Kitten-anim-normal);
    border-bottom: 1px solid #eef1f5;
}

.Kitten-nav-wrap {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.Kitten-nav-logo {
    font-size: 22px;
    font-weight: 700;
    color: #1f2937;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.Kitten-nav-logo::before {
    content: "🔥";
    font-size: 30px;
    line-height: 1;
}

.Kitten-nav-logo:hover {
    color: var(--Kitten-accent);
}

.Kitten-nav-list {
    display: flex;
    gap: 8px;
    align-items: center;
}

.Kitten-nav-item a {
    display: inline-block;
    padding: 10px 18px;
    color: #374151;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    transition: all var(--Kitten-anim-fast);
}

.Kitten-nav-item a:hover {
    color: var(--Kitten-accent);
    background: transparent;
}

.Kitten-nav-item.Kitten-nav-active a {
    color: var(--Kitten-accent);
    background: transparent;
    box-shadow: none;
    font-weight: 700;
}

.Kitten-nav-toggle {
    display: none;
    font-size: 22px;
    padding: 8px 12px;
    border-radius: var(--Kitten-radius-sm);
    color: #1f2937;
    background: rgba(0,0,0,0.04);
}

.Kitten-nav-toggle:hover {
    background: rgba(0,0,0,0.08);
}

/* ---------- 7. 主内容区 ---------- */
#Kitten-main {
    flex: 1;
    padding: var(--Kitten-spacing-lg);
    padding-top: 40px;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    animation: Kitten-fade-in var(--Kitten-anim-slow) ease-out;
}

@keyframes Kitten-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- 8. 页面标题区 ---------- */
.Kitten-page-header {
    text-align: center;
    margin-bottom: var(--Kitten-spacing-xl);
    padding: var(--Kitten-spacing-lg) 0;
}

.Kitten-page-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: var(--Kitten-spacing-sm);
    color: var(--Kitten-text-primary);
    letter-spacing: 1px;
}

.Kitten-page-subtitle {
    color: var(--Kitten-text-secondary);
    font-size: 15px;
}

/* ---------- 9. 卡片通用样式 ---------- */
.Kitten-card {
    background: var(--Kitten-bg-card);
    border-radius: var(--Kitten-radius-xl);
    padding: var(--Kitten-spacing-md);
    transition: all var(--Kitten-anim-normal);
    position: relative;
    overflow: hidden;
    box-shadow: var(--Kitten-shadow-sm);
    border: 1px solid rgba(0,0,0,0.05);
}

.Kitten-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--Kitten-shadow-card-hover);
    border-color: transparent;
}

/* ---------- 10. 按钮通用样式 ---------- */
.Kitten-btn {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    color: #ffffff !important;
    border-radius: var(--Kitten-radius-full);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all var(--Kitten-anim-fast);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
}

.Kitten-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 107, 53, 0.4);
}

.Kitten-btn:active {
    transform: translateY(0);
}

.Kitten-btn-secondary {
    background: #ffffff;
    color: var(--Kitten-text-primary) !important;
    border: 1px solid #e5e7eb;
    box-shadow: var(--Kitten-shadow-sm);
}

.Kitten-btn-secondary:hover {
    color: var(--Kitten-accent) !important;
    border-color: var(--Kitten-accent);
    background: #ffffff;
}

.Kitten-btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transform: scale(0);
    animation: Kitten-ripple 0.6s linear;
    pointer-events: none;
}

@keyframes Kitten-ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ---------- 11. 标签/分类筛选 ---------- */
.Kitten-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--Kitten-spacing-xs);
    justify-content: center;
    margin-bottom: var(--Kitten-spacing-lg);
}

.Kitten-tag {
    padding: 10px 22px;
    background: #ffffff;
    color: var(--Kitten-text-secondary);
    border-radius: var(--Kitten-radius-full);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--Kitten-anim-fast);
    cursor: pointer;
    box-shadow: var(--Kitten-shadow-sm);
}

.Kitten-tag:hover {
    color: var(--Kitten-accent);
    transform: translateY(-2px);
}

.Kitten-tag.Kitten-tag-active {
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
}

/* ---------- 12. 首页 Hero 区 ---------- */
.Kitten-hero {
    text-align: center;
    padding: var(--Kitten-spacing-xl) 0 var(--Kitten-spacing-lg);
    margin-bottom: var(--Kitten-spacing-xl);
}

.Kitten-hero-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--Kitten-spacing-md);
    border-radius: 50%;
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    padding: 4px;
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.25);
    animation: Kitten-glow 3s ease-in-out infinite;
}

.Kitten-hero-avatar-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    font-weight: 700;
}

@keyframes Kitten-glow {
    0%, 100% { box-shadow: 0 8px 30px rgba(255, 107, 53, 0.2); }
    50% { box-shadow: 0 8px 40px rgba(255, 107, 53, 0.4); }
}

.Kitten-hero-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: var(--Kitten-spacing-sm);
    letter-spacing: 2px;
    color: var(--Kitten-text-primary);
}

.Kitten-hero-subtitle {
    font-size: 18px;
    color: var(--Kitten-text-secondary);
    min-height: 28px;
    letter-spacing: 1px;
}

.Kitten-hero-cursor {
    display: inline-block;
    width: 2px;
    height: 20px;
    background: var(--Kitten-accent);
    margin-left: 4px;
    vertical-align: middle;
    animation: Kitten-blink 0.8s step-end infinite;
}

@keyframes Kitten-blink {
    50% { opacity: 0; }
}

.Kitten-hero-btns {
    margin-top: var(--Kitten-spacing-md);
    display: flex;
    gap: var(--Kitten-spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- 13. 首页统计卡 ---------- */
.Kitten-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--Kitten-spacing-md);
    margin-bottom: var(--Kitten-spacing-xl);
}

.Kitten-stats-item {
    text-align: center;
    padding: var(--Kitten-spacing-md);
}

.Kitten-stats-num {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    display: inline-block;
}

.Kitten-stats-label {
    color: var(--Kitten-text-secondary);
    font-size: 14px;
    margin-top: var(--Kitten-spacing-xs);
    letter-spacing: 1px;
}

/* ---------- 14. 区块标题 ---------- */
.Kitten-section-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--Kitten-spacing-md);
    display: flex;
    align-items: center;
    gap: var(--Kitten-spacing-sm);
    color: var(--Kitten-text-primary);
}

.Kitten-section-title::before {
    content: "";
    width: 4px;
    height: 22px;
    background: linear-gradient(180deg, var(--Kitten-accent), var(--Kitten-accent-third));
    border-radius: var(--Kitten-radius-sm);
}

.Kitten-section-wrap {
    margin-bottom: var(--Kitten-spacing-xl);
}

/* ---------- 15. 动态（说说）时间线 ---------- */
.Kitten-moments-list {
    position: relative;
    padding-left: 30px;
    display: flex;
    flex-direction: column;
    gap: var(--Kitten-spacing-md);
}

.Kitten-moments-list::before {
    content: '';
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--Kitten-accent), transparent);
}

.Kitten-moments-item {
    position: relative;
    opacity: 0;
    transform: translateX(-20px);
    transition: all var(--Kitten-anim-normal);
}

.Kitten-moments-item.Kitten-visible {
    opacity: 1;
    transform: translateX(0);
}

.Kitten-moments-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 24px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--Kitten-accent);
    box-shadow: 0 0 10px var(--Kitten-accent);
}

.Kitten-moments-header {
    display: flex;
    align-items: center;
    gap: var(--Kitten-spacing-sm);
    margin-bottom: var(--Kitten-spacing-xs);
}

.Kitten-moments-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    flex-shrink: 0;
}

.Kitten-moments-name {
    font-weight: 600;
    color: var(--Kitten-text-primary);
}

.Kitten-moments-time {
    font-size: 13px;
    color: var(--Kitten-text-muted);
}

.Kitten-moments-content {
    margin-bottom: var(--Kitten-spacing-xs);
    line-height: 1.7;
    color: var(--Kitten-text-secondary);
    font-size: 15px;
}

.Kitten-moments-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 8px;
    margin-top: var(--Kitten-spacing-xs);
}

.Kitten-moments-images img,
.Kitten-moments-images .Kitten-moments-img-placeholder {
    width: 100%;
    height: 140px;
    border-radius: var(--Kitten-radius-lg);
    cursor: pointer;
    transition: transform var(--Kitten-anim-fast);
}

.Kitten-moments-images .Kitten-moments-img-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: #ffffff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.Kitten-moments-images img:hover,
.Kitten-moments-images .Kitten-moments-img-placeholder:hover {
    transform: scale(1.02);
}

.Kitten-moments-actions {
    display: flex;
    gap: var(--Kitten-spacing-md);
    margin-top: var(--Kitten-spacing-sm);
    padding-top: var(--Kitten-spacing-sm);
    border-top: 1px solid #e5e7eb;
}

.Kitten-moments-action {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--Kitten-text-muted);
    font-size: 13px;
    cursor: pointer;
    transition: color var(--Kitten-anim-fast);
    user-select: none;
}

.Kitten-moments-action:hover {
    color: var(--Kitten-accent);
}

.Kitten-moments-action.Kitten-liked {
    color: var(--Kitten-accent);
}

.Kitten-moments-action.Kitten-liked .Kitten-heart {
    animation: Kitten-heart-pop 0.5s ease;
}

@keyframes Kitten-heart-pop {
    0% { transform: scale(1); }
    30% { transform: scale(1.5); }
    60% { transform: scale(0.9); }
    100% { transform: scale(1); }
}

@keyframes Kitten-heart-fly {
    0% { transform: translate(0, 0) scale(1); opacity: 1; }
    100% { transform: translate(0, -40px) scale(1.6); opacity: 0; }
}

/* ---------- 16. 博客文章列表 ---------- */
.Kitten-blog-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--Kitten-spacing-md);
}

.Kitten-blog-item {
    display: flex;
    flex-direction: column;
}

.Kitten-blog-cover {
    width: 100%;
    height: 160px;
    border-radius: var(--Kitten-radius-lg);
    margin-bottom: var(--Kitten-spacing-sm);
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    overflow: hidden;
    position: relative;
}

.Kitten-blog-title {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: var(--Kitten-spacing-xs);
    color: var(--Kitten-text-primary);
    line-height: 1.5;
}

.Kitten-blog-title a {
    color: var(--Kitten-text-primary);
}

.Kitten-blog-title a:hover {
    color: var(--Kitten-accent);
}

.Kitten-blog-excerpt {
    color: var(--Kitten-text-secondary);
    font-size: 14px;
    margin-bottom: var(--Kitten-spacing-sm);
    flex: 1;
    line-height: 1.7;
}

.Kitten-blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--Kitten-text-muted);
    margin-top: auto;
}

.Kitten-blog-category {
    color: var(--Kitten-accent);
    padding: 4px 12px;
    border: 1px solid rgba(255,107,53,0.3);
    border-radius: var(--Kitten-radius-full);
    font-size: 12px;
    font-weight: 500;
}

/* ---------- 17. 文章详情页 ---------- */
.Kitten-post-wrap {
    max-width: 820px;
    margin: 0 auto;
}

.Kitten-post-header {
    text-align: center;
    margin-bottom: var(--Kitten-spacing-xl);
    padding-bottom: var(--Kitten-spacing-md);
    border-bottom: 1px solid #e5e7eb;
}

.Kitten-post-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: var(--Kitten-spacing-sm);
    line-height: 1.4;
    color: var(--Kitten-text-primary);
}

.Kitten-post-meta {
    display: flex;
    justify-content: center;
    gap: var(--Kitten-spacing-md);
    color: var(--Kitten-text-secondary);
    font-size: 14px;
}

.Kitten-post-body {
    font-size: 16px;
    line-height: 1.9;
    color: #374151;
}

.Kitten-post-body h2 {
    font-size: 22px;
    color: var(--Kitten-text-primary);
    margin: var(--Kitten-spacing-lg) 0 var(--Kitten-spacing-sm);
    padding-left: var(--Kitten-spacing-sm);
    border-left: 4px solid var(--Kitten-accent);
    line-height: 1.4;
}

.Kitten-post-body h3 {
    font-size: 18px;
    color: var(--Kitten-text-primary);
    margin: var(--Kitten-spacing-md) 0 var(--Kitten-spacing-sm);
}

.Kitten-post-body p {
    margin-bottom: var(--Kitten-spacing-sm);
}

.Kitten-post-body pre {
    background: #1f2937;
    padding: var(--Kitten-spacing-md);
    border-radius: var(--Kitten-radius-lg);
    overflow-x: auto;
    margin: var(--Kitten-spacing-sm) 0;
    font-family: "Courier New", Consolas, monospace;
    font-size: 14px;
    line-height: 1.6;
    color: #e5e7eb;
}

.Kitten-post-body code {
    font-family: "Courier New", Consolas, monospace;
    background: rgba(255,107,53,0.08);
    padding: 3px 8px;
    border-radius: 6px;
    color: var(--Kitten-accent);
    font-size: 14px;
}

.Kitten-post-body blockquote {
    padding: var(--Kitten-spacing-sm) var(--Kitten-spacing-md);
    border-left: 4px solid var(--Kitten-accent);
    background: rgba(255, 107, 53, 0.06);
    margin: var(--Kitten-spacing-sm) 0;
    border-radius: 0 var(--Kitten-radius-sm) var(--Kitten-radius-sm) 0;
    color: var(--Kitten-text-secondary);
}

.Kitten-post-body img {
    border-radius: var(--Kitten-radius-lg);
    margin: var(--Kitten-spacing-sm) auto;
    max-width: 100%;
}

/* ---------- 18. 作品网格 ---------- */
.Kitten-works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--Kitten-spacing-md);
}

.Kitten-works-item {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--Kitten-radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--Kitten-bg-card);
    transition: all var(--Kitten-anim-normal);
    box-shadow: var(--Kitten-shadow-sm);
}

.Kitten-works-item:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 12px 30px rgba(255, 107, 53, 0.2);
}

.Kitten-works-cover {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    transition: transform var(--Kitten-anim-slow);
}

.Kitten-works-item:hover .Kitten-works-cover {
    transform: scale(1.1);
}

.Kitten-works-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--Kitten-spacing-md);
    background: linear-gradient(180deg, transparent, rgba(0,0,0,0.8));
}

.Kitten-works-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 6px;
}

.Kitten-works-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
}

/* ---------- 19. 相册画廊 ---------- */
.Kitten-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--Kitten-spacing-sm);
}

.Kitten-gallery-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--Kitten-radius-lg);
    overflow: hidden;
    cursor: pointer;
    background: var(--Kitten-bg-card);
    box-shadow: var(--Kitten-shadow-sm);
    transition: all var(--Kitten-anim-normal);
}

.Kitten-gallery-item:nth-child(3n) {
    aspect-ratio: 16/10;
}

.Kitten-gallery-item:nth-child(4n) {
    aspect-ratio: 9/12;
}

.Kitten-gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.Kitten-gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    transition: transform var(--Kitten-anim-slow);
}

.Kitten-gallery-item:hover .Kitten-gallery-placeholder {
    transform: scale(1.1) rotate(3deg);
}

/* 灯箱 */
.Kitten-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(15, 15, 20, 0.95);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    animation: Kitten-fade-in var(--Kitten-anim-normal);
}

.Kitten-lightbox.Kitten-active {
    display: flex;
}

.Kitten-lightbox-content {
    max-width: 90%;
    max-height: 90%;
    text-align: center;
}

.Kitten-lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    font-size: 40px;
    color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--Kitten-anim-fast);
}

.Kitten-lightbox-close:hover {
    transform: rotate(90deg);
}

.Kitten-lightbox-prev,
.Kitten-lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 32px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #ffffff;
    transition: all var(--Kitten-anim-fast);
}

.Kitten-lightbox-prev { left: 30px; }
.Kitten-lightbox-next { right: 30px; }

.Kitten-lightbox-prev:hover,
.Kitten-lightbox-next:hover {
    background: rgba(255, 107, 53, 0.3);
}

/* ---------- 20. 关于页 ---------- */
.Kitten-about-profile {
    display: flex;
    gap: var(--Kitten-spacing-lg);
    align-items: center;
    margin-bottom: var(--Kitten-spacing-xl);
}

.Kitten-about-avatar {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    padding: 4px;
    box-shadow: 0 8px 24px rgba(255, 107, 53, 0.25);
    flex-shrink: 0;
}

.Kitten-about-avatar-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    font-weight: 700;
}

.Kitten-about-info {
    flex: 1;
}

.Kitten-about-info h2 {
    font-size: 28px;
    margin-bottom: var(--Kitten-spacing-xs);
    color: var(--Kitten-text-primary);
}

.Kitten-about-bio {
    color: var(--Kitten-text-secondary);
    line-height: 1.9;
    margin-bottom: var(--Kitten-spacing-sm);
    font-size: 15px;
}

.Kitten-about-socials {
    display: flex;
    gap: var(--Kitten-spacing-xs);
    flex-wrap: wrap;
    margin-top: var(--Kitten-spacing-sm);
}

.Kitten-about-social {
    padding: 8px 16px;
    background: #ffffff;
    border-radius: var(--Kitten-radius-full);
    font-size: 13px;
    color: var(--Kitten-text-secondary);
    box-shadow: var(--Kitten-shadow-sm);
    transition: all var(--Kitten-anim-fast);
}

.Kitten-about-social:hover {
    color: var(--Kitten-accent);
    transform: translateY(-2px);
}

.Kitten-skills-list {
    display: flex;
    flex-direction: column;
    gap: var(--Kitten-spacing-md);
}

.Kitten-skill-item {
    padding: var(--Kitten-spacing-sm) 0;
}

.Kitten-skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 500;
}

.Kitten-skill-name {
    color: var(--Kitten-text-primary);
}

.Kitten-skill-percent {
    color: var(--Kitten-accent);
    font-weight: 700;
}

.Kitten-skill-bar {
    height: 8px;
    background: #f3f4f6;
    border-radius: var(--Kitten-radius-full);
    overflow: hidden;
    position: relative;
}

.Kitten-skill-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--Kitten-accent), var(--Kitten-accent-third));
    border-radius: var(--Kitten-radius-full);
    width: 0;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.3);
}

/* ---------- 21. 页脚 ---------- */
#Kitten-footer {
    padding: var(--Kitten-spacing-lg) var(--Kitten-spacing-md);
    text-align: center;
    border-top: 1px solid #e5e7eb;
    color: var(--Kitten-text-muted);
    font-size: 13px;
    background: #ffffff;
    letter-spacing: 1px;
}

.Kitten-footer-link {
    color: var(--Kitten-accent);
}

/* ---------- 22. 回到顶部按钮 ---------- */
#Kitten-back-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    color: #ffffff;
    font-size: 22px;
    box-shadow: var(--Kitten-shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--Kitten-anim-normal);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

#Kitten-back-top.Kitten-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#Kitten-back-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--Kitten-shadow-md);
}

/* ---------- 23. 滚动渐入动画 ---------- */
.Kitten-reveal {
    opacity: 0;
    transform: translateY(25px);
    transition: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.Kitten-reveal.Kitten-visible {
    opacity: 1;
    transform: translateY(0);
}

.Kitten-reveal[data-delay="1"] { transition-delay: 0.1s; }
.Kitten-reveal[data-delay="2"] { transition-delay: 0.2s; }
.Kitten-reveal[data-delay="3"] { transition-delay: 0.3s; }
.Kitten-reveal[data-delay="4"] { transition-delay: 0.4s; }
.Kitten-reveal[data-delay="5"] { transition-delay: 0.5s; }

/* ---------- 24. 鼠标跟随光晕 ---------- */
.Kitten-cursor-glow {
    position: fixed;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.06), transparent 70%);
    pointer-events: none;
    z-index: 1;
    transform: translate(-50%, -50%);
    transition: transform 0.3s ease-out;
    mix-blend-mode: multiply;
}

/* ---------- 25. 友链页面 ---------- */
.Kitten-friends-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--Kitten-spacing-md);
}

.Kitten-friends-item {
    display: flex;
    gap: var(--Kitten-spacing-sm);
    align-items: center;
    padding: var(--Kitten-spacing-md);
    background: #ffffff;
    border-radius: var(--Kitten-radius-xl);
    box-shadow: var(--Kitten-shadow-sm);
    transition: all var(--Kitten-anim-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
    cursor: pointer;
}

.Kitten-friends-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--Kitten-shadow-card-hover);
    border-color: transparent;
}

.Kitten-friends-avatar {
    width: 56px;
    height: 56px;
    border-radius: var(--Kitten-radius-md);
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.2);
}

.Kitten-friends-info {
    flex: 1;
    min-width: 0;
}

.Kitten-friends-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--Kitten-text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.Kitten-friends-desc {
    font-size: 13px;
    color: var(--Kitten-text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- 27. 首页顶部：Banner + 栏目推荐（并排） ---------- */
.Kitten-top-row {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.Kitten-banner {
    margin-bottom: 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: none;
    border: none;
    background: #ffffff;
}

.Kitten-banner-track {
    position: relative;
    height: 360px;
    border-radius: 16px;
    overflow: hidden;
}

.Kitten-banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
    display: flex;
    align-items: center;
    padding: 0 50px;
    color: #ffffff;
}

.Kitten-banner-slide.Kitten-active {
    opacity: 1;
    z-index: 2;
}

.Kitten-banner-slide:nth-child(1) {
    background: linear-gradient(135deg, #ff6b35, #a855f7);
}

.Kitten-banner-slide:nth-child(2) {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.Kitten-banner-slide:nth-child(3) {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.Kitten-banner-content {
    max-width: 560px;
}

.Kitten-banner-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: var(--Kitten-radius-full);
    font-size: 12px;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.Kitten-banner-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 14px;
    line-height: 1.3;
}

.Kitten-banner-desc {
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.95;
    margin-bottom: 20px;
}

.Kitten-banner-btn {
    display: inline-block;
    padding: 10px 24px;
    background: #ffffff;
    color: var(--Kitten-accent);
    border-radius: var(--Kitten-radius-full);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--Kitten-anim-fast);
}

.Kitten-banner-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.18);
}

.Kitten-banner-arrows {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-size: 18px;
    z-index: 5;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--Kitten-anim-fast);
    cursor: pointer;
    border: none;
    line-height: 1;
}

.Kitten-banner-arrows.Kitten-prev { left: 12px; }
.Kitten-banner-arrows.Kitten-next { right: 12px; }

.Kitten-banner-arrows:hover {
    background: #ffffff;
    color: var(--Kitten-accent);
}

.Kitten-banner-dots {
    position: absolute;
    bottom: 16px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 6px;
    z-index: 5;
}

.Kitten-banner-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s;
    padding: 0;
    border: none;
}

.Kitten-banner-dot.Kitten-active {
    background: #ffffff;
    width: 28px;
    border-radius: 10px;
}

/* ---------- 28. 栏目推荐（彩色圆形图标） ---------- */
.Kitten-column-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 20px 24px;
    box-shadow: none;
    border: none;
    height: 360px;
    display: flex;
    flex-direction: column;
}

.Kitten-column-card .Kitten-section-title {
    margin: 0 0 16px 0;
    font-size: 20px;
    font-weight: 700;
    color: var(--Kitten-text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.Kitten-column-card .Kitten-section-title::before {
    content: "";
    width: 3px;
    height: 18px;
    background: linear-gradient(180deg, var(--Kitten-accent), var(--Kitten-accent-third));
    border-radius: 4px;
}

.Kitten-column-grid {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    align-content: start;
}

.Kitten-column-item {
    text-align: center;
    cursor: pointer;
    transition: transform var(--Kitten-anim-fast);
}

.Kitten-column-item:hover {
    transform: translateY(-3px);
}

.Kitten-column-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: #ffffff;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
    transition: transform var(--Kitten-anim-fast);
}

.Kitten-column-item:hover .Kitten-column-icon {
    transform: scale(1.08);
}

.Kitten-column-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--Kitten-text-primary);
}

/* ---------- 29. 文章列表（图 + 标题 + 描述） ---------- */
.Kitten-article-list {
    display: flex;
    flex-direction: column;
    gap: var(--Kitten-spacing-sm);
}

.Kitten-article-item {
    display: flex;
    gap: var(--Kitten-spacing-md);
    padding: var(--Kitten-spacing-sm);
    border-radius: var(--Kitten-radius-lg);
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all var(--Kitten-anim-normal);
    cursor: pointer;
    align-items: center;
}

.Kitten-article-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--Kitten-shadow-card-hover);
    border-color: transparent;
}

.Kitten-article-thumb {
    width: 140px;
    height: 100px;
    border-radius: var(--Kitten-radius-lg);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--Kitten-accent), var(--Kitten-accent-third));
}

.Kitten-article-body {
    flex: 1;
    min-width: 0;
}

.Kitten-article-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--Kitten-text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.Kitten-article-title:hover {
    color: var(--Kitten-accent);
}

.Kitten-article-excerpt {
    font-size: 14px;
    color: var(--Kitten-text-secondary);
    line-height: 1.7;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.Kitten-article-meta {
    font-size: 13px;
    color: var(--Kitten-text-muted);
    display: flex;
    gap: var(--Kitten-spacing-md);
    align-items: center;
}

.Kitten-article-category {
    padding: 3px 12px;
    background: rgba(255, 107, 53, 0.08);
    color: var(--Kitten-accent);
    border-radius: var(--Kitten-radius-full);
    font-size: 12px;
    font-weight: 500;
}

/* ---------- 30. 响应式适配（补充 Banner / 栏目 / 文章） ---------- */
@media (max-width: 768px) {
    #Kitten-header {
        padding: 0 var(--Kitten-spacing-sm);
    }

    .Kitten-nav-list {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #ffffff;
        padding: var(--Kitten-spacing-sm);
        gap: var(--Kitten-spacing-xs);
        border-top: 1px solid #eef1f5;
        box-shadow: 0 8px 24px rgba(0,0,0,0.06);
    }

    .Kitten-nav-list.Kitten-active {
        display: flex;
    }

    .Kitten-nav-toggle {
        display: block;
    }

    #Kitten-main {
        padding: var(--Kitten-spacing-sm);
        padding-top: 24px;
    }

    .Kitten-page-title {
        font-size: 28px;
    }

    .Kitten-hero-title {
        font-size: 30px;
    }

    .Kitten-hero-avatar {
        width: 100px;
        height: 100px;
    }

    .Kitten-hero-avatar-inner {
        font-size: 40px;
    }

    .Kitten-about-profile {
        flex-direction: column;
        text-align: center;
    }

    .Kitten-about-info {
        text-align: center;
    }

    .Kitten-about-socials {
        justify-content: center;
    }

    #Kitten-back-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }

    .Kitten-blog-list,
    .Kitten-works-grid,
    .Kitten-gallery-grid {
        grid-template-columns: 1fr;
    }

    .Kitten-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .Kitten-post-title {
        font-size: 24px;
    }

    .Kitten-lightbox-prev { left: 10px; }
    .Kitten-lightbox-next { right: 10px; }
    .Kitten-lightbox-close { top: 15px; right: 15px; }

    .Kitten-friends-grid {
        grid-template-columns: 1fr;
    }

    /* Banner & 栏目 响应式：移动端堆叠 */
    .Kitten-top-row {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .Kitten-banner-track { height: 220px; }
    .Kitten-banner-slide { padding: 0 24px; }
    .Kitten-banner-title { font-size: 22px; }
    .Kitten-banner-desc { font-size: 13px; margin-bottom: 14px; }
    .Kitten-banner-btn { padding: 8px 20px; font-size: 13px; }
    .Kitten-banner-arrows { width: 34px; height: 34px; font-size: 16px; }
    .Kitten-banner-arrows.Kitten-prev { left: 10px; }
    .Kitten-banner-arrows.Kitten-next { right: 10px; }
    .Kitten-column-card { height: auto; padding: 18px 20px; }
    .Kitten-column-icon { width: 54px; height: 54px; font-size: 26px; }

    /* 文章列表响应式 */
    .Kitten-article-item {
        flex-direction: column;
        padding: 16px;
        gap: 12px;
    }
    .Kitten-article-thumb {
        width: 100%;
        height: 160px;
    }
}

@media (max-width: 480px) {
    .Kitten-stats {
        grid-template-columns: 1fr;
    }

    .Kitten-hero-title {
        font-size: 26px;
    }

    .Kitten-hero-avatar {
        width: 80px;
        height: 80px;
    }

    .Kitten-hero-avatar-inner {
        font-size: 32px;
    }

    .Kitten-moments-list {
        padding-left: 24px;
    }

    .Kitten-moments-list::before {
        left: 5px;
    }

    .Kitten-moments-item::before {
        left: -20px;
    }
}