/* ===== 全局重置和基础样式 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* GitHub风格配色 */
    --primary-color: #0969da;
    --primary-hover: #0860ca;
    --primary-active: #0757ba;
    --secondary-color: #656d76;
    --success-color: #1a7f37;
    --warning-color: #bf8700;
    --danger-color: #cf222e;

    /* 背景色 */
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #f1f3f4;
    --bg-overlay: rgba(255, 255, 255, 0.95);
    --bg-card: #ffffff;
    --bg-hover: #f3f4f6;
    --bg-active: #e5e7ea;

    /* 文字颜色 */
    --text-primary: #1f2328;
    --text-secondary: #656d76;
    --text-tertiary: #8c959f;
    --text-inverse: #ffffff;
    --text-link: #0969da;
    --text-link-hover: #0860ca;

    /* 边框颜色 */
    --border-default: #d1d9e0;
    --border-muted: #e1e4e8;
    --border-subtle: #f1f3f4;
    --border-accent: #0969da;

    /* 阴影 */
    --shadow-small: 0 1px 3px rgba(16, 22, 26, 0.1);
    --shadow-medium: 0 4px 12px rgba(16, 22, 26, 0.15);
    --shadow-large: 0 8px 24px rgba(16, 22, 26, 0.2);
    --shadow-hover: 0 6px 16px rgba(16, 22, 26, 0.12);

    /* 字体 */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', Helvetica, Arial, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'SF Mono', Monaco, Inconsolata, 'Roboto Mono', 'Source Code Pro', monospace;

    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* 圆角 */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* 动画 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.35s ease;
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* 暗色主题 */
[data-theme="dark"] {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-overlay: rgba(13, 17, 23, 0.95);
    --bg-card: #161b22;
    --bg-hover: #21262d;
    --bg-active: #30363d;

    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;
    --text-inverse: #0d1117;

    --border-default: #30363d;
    --border-muted: #21262d;
    --border-subtle: #161b22;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-primary);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ===== 动态背景效果 ===== */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-shapes .shape {
    position: absolute;
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite linear;
}

.floating-shapes .shape:nth-child(1) {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-shapes .shape:nth-child(2) {
    width: 120px;
    height: 120px;
    top: 60%;
    left: 80%;
    animation-delay: -5s;
}

.floating-shapes .shape:nth-child(3) {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: -10s;
}

.floating-shapes .shape:nth-child(4) {
    width: 100px;
    height: 100px;
    top: 30%;
    left: 70%;
    animation-delay: -15s;
}

.floating-shapes .shape:nth-child(5) {
    width: 90px;
    height: 90px;
    top: 10%;
    left: 50%;
    animation-delay: -7s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    33% {
        transform: translateY(-30px) rotate(120deg);
    }

    66% {
        transform: translateY(30px) rotate(240deg);
    }
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.6;
    animation: particle-float 15s infinite linear;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) translateX(0);
        opacity: 0;
    }

    10% {
        opacity: 0.6;
    }

    90% {
        opacity: 0.6;
    }

    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

.grid-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(9, 105, 218, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(9, 105, 218, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 30s linear infinite;
}

@keyframes grid-move {
    0% {
        transform: translate(0, 0);
    }

    100% {
        transform: translate(50px, 50px);
    }
}

/* ===== 顶部导航栏 ===== */
.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--bg-overlay);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-muted);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.brand-icon {
    font-size: 24px;
    color: var(--primary-color);
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.brand-text {
    font-size: 18px;
    font-weight: 700;
}

.version-badge {
    background: var(--primary-color);
    color: var(--text-inverse);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: translateY(-1px);
}

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

/* ===== 容器和布局 ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 80px var(--spacing-lg) var(--spacing-lg);
    min-height: 100vh;
}

/* ===== 头部区域 ===== */
.header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-2xl) 0;
}

.header-content {
    max-width: 800px;
    margin: 0 auto;
}

.main-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    animation: slideInUp 0.8s ease-out;
}

.title-icon {
    font-size: 0.8em;
    animation: bounce 2s infinite;
    filter: grayscale(100%) brightness(0.8) contrast(1.2);
    /* 转换为剪影效果 */
    display: inline-block;
    vertical-align: middle;
}

/* 深色主题下的剪影效果 */
[data-theme="dark"] .title-icon {
    filter: grayscale(100%) brightness(1.2) contrast(1.5);
}

/* 浅色主题下的剪影效果 */
[data-theme="light"] .title-icon {
    filter: grayscale(100%) brightness(0.7) contrast(1.3);
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

.subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    animation: slideInUp 0.8s ease-out 0.2s both;
}

.description {
    font-size: 1.1rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xl);
    animation: slideInUp 0.8s ease-out 0.4s both;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== 统计信息栏 ===== */
.stats-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-small);
    animation: slideInUp 0.8s ease-out 0.6s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    font-family: var(--font-family-mono);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-muted);
}

/* ===== 主要内容区域 ===== */
.main-content {
    animation: fadeIn 1s ease-out 0.8s both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.content-wrapper {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

/* ===== 侧边栏 ===== */
.sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-small);
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    transition: all var(--transition-normal);
}

.sidebar:hover {
    box-shadow: var(--shadow-medium);
}

.sidebar-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-muted);
}

.sidebar-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.search-box {
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.search-icon {
    position: absolute;
    left: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 14px;
}

/* 侧边栏收藏夹按钮 */
.sidebar-actions {
    margin-top: var(--spacing-sm);
}

.sidebar-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sidebar-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

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

.sidebar-btn i {
    font-size: 14px;
    color: var(--primary-color);
}

#search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-sm) 32px;
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    transition: all var(--transition-fast);
}

#search-input:focus {
    outline: none;
    border-color: var(--border-accent);
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.1);
    background: var(--bg-primary);
}

/* ===== 分类和提示词列表 ===== */
.category {
    margin-bottom: var(--spacing-lg);
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-header:hover {
    color: var(--primary-color);
}

.category-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.category-count {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

.prompt-list {
    margin-top: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.prompt-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.prompt-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    transform: translateX(4px);
}

.prompt-item.active {
    background: var(--primary-color);
    color: var(--text-inverse);
    box-shadow: var(--shadow-small);
}

.prompt-item i {
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.prompt-badge {
    margin-left: auto;
    background: var(--warning-color);
    color: var(--text-inverse);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
}

/* ===== 内容区域 ===== */
.content-area {
    background: var(--bg-card);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-small);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.content-area:hover {
    box-shadow: var(--shadow-medium);
}

/* ===== 欢迎页面 ===== */
.welcome-section {
    padding: var(--spacing-3xl);
    text-align: center;
}

.welcome-content {
    max-width: 600px;
    margin: 0 auto;
}

.welcome-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    animation: float 3s ease-in-out infinite;
}

.welcome-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.welcome-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.feature-card {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--border-accent);
}

.feature-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.quick-start {
    margin-top: var(--spacing-xl);
}

.quick-start h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.quick-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.quick-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--primary-color);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.quick-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

/* ===== 提示词内容区域 ===== */
.prompt-section {
    padding: var(--spacing-xl);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-muted);
}

.header-left h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.prompt-icon {
    font-size: 1.2em;
}

.header-left p {
    color: var(--text-secondary);
    font-size: 1rem;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.action-btn {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-default);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-accent);
    transform: translateY(-1px);
}

/* 收藏按钮特殊样式 */
.action-btn.favorited {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    border-color: #ff6b6b;
    animation: heartBeat 0.6s ease-in-out;
}

.action-btn.favorited:hover {
    background: linear-gradient(135deg, #ff5252, #e53935);
    border-color: #ff5252;
}

/* 侧边栏收藏按钮激活状态 */
.sidebar-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(79, 172, 254, 0.4);
    transform: translateY(-2px);
}

/* 收藏的提示词项样式 */
.prompt-item.favorited-item {
    position: relative;
    border-left: 3px solid var(--favorite-color, #ff6b6b);
    background: linear-gradient(90deg, var(--favorite-bg, rgba(255, 107, 107, 0.1)), transparent);
}

.prompt-item.favorited-item::before {
    content: '\f004';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--favorite-color, #ff6b6b);
    font-size: 12px;
    opacity: 0.7;
}

/* 选中状态下的收藏项目样式优化 */
.prompt-item.active.favorited-item {
    border-left-color: #ffffff;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.15), var(--primary-color));
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3), var(--shadow-small);
}

.prompt-item.active.favorited-item::before {
    color: #ffffff;
    opacity: 0.9;
    text-shadow: 0 0 4px rgba(0, 0, 0, 0.3), 0 0 8px rgba(255, 255, 255, 0.5);
    font-size: 13px;
    /* 稍微增大图标 */
    right: 10px;
    /* 调整位置 */
}

/* 深色主题下的收藏样式 */
[data-theme="dark"] .prompt-item.favorited-item {
    --favorite-color: #ff8e8e;
    --favorite-bg: rgba(255, 142, 142, 0.15);
}

/* 浅色主题下的收藏样式 */
[data-theme="light"] .prompt-item.favorited-item {
    --favorite-color: #ff6b6b;
    --favorite-bg: rgba(255, 107, 107, 0.1);
}

/* 深色主题下选中状态的收藏项目 */
[data-theme="dark"] .prompt-item.active.favorited-item {
    border-left-color: #ffffff;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.2), var(--primary-color));
}

/* 浅色主题下选中状态的收藏项目 */
[data-theme="light"] .prompt-item.active.favorited-item {
    border-left-color: #ffffff;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.25), var(--primary-color));
}

@keyframes heartBeat {
    0% {
        transform: scale(1);
    }

    14% {
        transform: scale(1.3);
    }

    28% {
        transform: scale(1);
    }

    42% {
        transform: scale(1.3);
    }

    70% {
        transform: scale(1);
    }
}

/* ===== 表单样式 ===== */
.form-container {
    margin-bottom: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-fast);
    resize: vertical;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--border-accent);
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.1);
}

.form-textarea {
    min-height: 120px;
    font-family: var(--font-family-mono);
    line-height: 1.5;
}

.form-help {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
}

/* ===== 按钮样式 ===== */
.action-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--text-inverse);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

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

.btn-secondary {
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-color: var(--border-default);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-accent);
    transform: translateY(-1px);
}

.btn-loading {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn.loading .btn-loading {
    opacity: 1;
}

.btn.loading>*:not(.btn-loading) {
    opacity: 0;
}

/* ===== 结果区域 ===== */
.result-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: none;
    animation: slideInUp var(--transition-slow);
}

.result-container.show {
    display: block;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-muted);
}

.result-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.result-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.result-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.result-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-accent);
}

.result-btn.success {
    background: var(--success-color);
    color: var(--text-inverse);
    border-color: var(--success-color);
}

.result-content {
    padding: var(--spacing-lg);
    font-family: var(--font-family-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 400px;
    overflow-y: auto;
}

.result-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border-top: 1px solid var(--border-muted);
}

.result-stats {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ===== 通知系统 ===== */
#notification-container {
    position: fixed;
    top: 80px;
    right: var(--spacing-lg);
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.notification {
    background: var(--bg-card);
    border: 1px solid var(--border-muted);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    box-shadow: var(--shadow-medium);
    min-width: 300px;
    max-width: 400px;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateX(100%);
    transition: all var(--transition-normal);
    pointer-events: auto;
    cursor: pointer;
}

.notification.show {
    opacity: 1;
    transform: translateX(0);
}

.notification.hiding {
    opacity: 0;
    transform: translateX(100%);
}

.notification:hover {
    transform: translateX(-5px);
    box-shadow: var(--shadow-large);
}

.notification::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--primary-color);
    transition: width var(--transition-fast);
}

.notification:hover::before {
    width: 6px;
}

.notification.success::before {
    background: var(--success-color);
}

.notification.warning::before {
    background: var(--warning-color);
}

.notification.error::before {
    background: var(--danger-color);
}

.notification-content {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.notification-icon {
    font-size: 1.2rem;
    margin-top: 2px;
    transition: transform var(--transition-fast);
}

.notification:hover .notification-icon {
    transform: scale(1.1);
}

.notification.success .notification-icon {
    color: var(--success-color);
}

.notification.warning .notification-icon {
    color: var(--warning-color);
}

.notification.error .notification-icon {
    color: var(--danger-color);
}

.notification-text {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.notification-message {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.notification-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--spacing-xs);
    font-size: 1rem;
    line-height: 1;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
    opacity: 0.7;
}

.notification-close:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
    opacity: 1;
    transform: scale(1.1);
}

/* 通知进度条 */
.notification::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--primary-color);
    width: 100%;
    transform-origin: left;
    animation: notificationProgress 4s linear forwards;
}

.notification.success::after {
    background: var(--success-color);
}

.notification.warning::after {
    background: var(--warning-color);
    animation-duration: 6s;
}

.notification.error::after {
    background: var(--danger-color);
    animation-duration: 8s;
}

@keyframes notificationProgress {
    from {
        transform: scaleX(1);
    }

    to {
        transform: scaleX(0);
    }
}

/* ===== 模态框 ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1200;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--transition-normal);
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-large);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    animation: scaleIn var(--transition-bounce);
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-muted);
}

.modal-header h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
}

.help-section {
    margin-bottom: var(--spacing-lg);
}

.help-section:last-child {
    margin-bottom: 0;
}

.help-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.help-section ol,
.help-section ul {
    padding-left: var(--spacing-lg);
    color: var(--text-secondary);
    line-height: 1.6;
}

.help-section li {
    margin-bottom: var(--spacing-sm);
}

kbd {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    padding: 2px 6px;
    font-family: var(--font-family-mono);
    font-size: 0.8rem;
    color: var(--text-primary);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* ===== 响应式设计 ===== */
@media (max-width: 1200px) {
    .content-wrapper {
        grid-template-columns: 280px 1fr;
        gap: var(--spacing-lg);
    }

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

@media (max-width: 968px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .sidebar {
        position: static;
        max-height: none;
        order: 2;
    }

    .content-area {
        order: 1;
    }

    .stats-bar {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .stat-divider {
        width: 100%;
        height: 1px;
    }

    .action-bar {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .result-actions {
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 80px var(--spacing-md) var(--spacing-md);
    }

    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .brand-text {
        display: none;
    }

    .header {
        padding: var(--spacing-lg) 0;
        margin-bottom: var(--spacing-lg);
    }

    .main-title {
        font-size: 2.5rem;
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

    .quick-actions {
        flex-direction: column;
        align-items: center;
    }

    .quick-btn {
        width: 100%;
        max-width: 200px;
        justify-content: center;
    }

    .prompt-section {
        padding: var(--spacing-lg);
    }

    .content-header {
        flex-direction: column;
        gap: var(--spacing-md);
        align-items: flex-start;
    }

    .header-actions {
        align-self: flex-end;
    }

    #notification-container {
        left: var(--spacing-md);
        right: var(--spacing-md);
    }

    .notification {
        min-width: auto;
        max-width: none;
    }
}

@media (max-width: 480px) {
    .welcome-section {
        padding: var(--spacing-lg);
    }

    .welcome-icon {
        font-size: 3rem;
    }

    .welcome-section h2 {
        font-size: 1.5rem;
    }

    .modal-content {
        width: 95%;
        margin: var(--spacing-md);
    }

    .modal-header,
    .modal-body {
        padding: var(--spacing-md);
    }
}

/* ===== 滚动条样式 ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ===== 选择文本样式 ===== */
::selection {
    background: rgba(9, 105, 218, 0.2);
    color: var(--text-primary);
}

/* ===== 焦点样式 ===== */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== 打印样式 ===== */
@media print {

    .background-animation,
    .top-nav,
    .sidebar,
    .action-bar,
    .result-actions,
    #notification-container,
    .modal {
        display: none !important;
    }

    .content-wrapper {
        grid-template-columns: 1fr;
    }

    .container {
        padding: 0;
    }

    .result-content {
        max-height: none;
        overflow: visible;
    }
}

/* ===== 高对比度模式 ===== */
@media (prefers-contrast: high) {
    :root {
        --border-default: #000000;
        --border-muted: #666666;
        --text-secondary: #000000;
        --text-tertiary: #333333;
    }

    [data-theme="dark"] {
        --border-default: #ffffff;
        --border-muted: #cccccc;
        --text-secondary: #ffffff;
        --text-tertiary: #cccccc;
    }
}

/* ===== 减少动画模式 ===== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .floating-shapes .shape,
    .particle,
    .grid-overlay,
    .brand-icon,
    .title-icon {
        animation: none !important;
    }
}

/* 主题切换动画 */
body.theme-switching {
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.theme-switching * {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* 按钮动画效果 */
#theme-toggle,
#fullscreen-toggle {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

#theme-toggle:hover,
#fullscreen-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

#theme-toggle:active,
#fullscreen-toggle:active {
    transform: scale(0.95);
}

/* 按钮点击波纹效果 */
#theme-toggle::before,
#fullscreen-toggle::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

#theme-toggle:active::before,
#fullscreen-toggle:active::before {
    width: 300px;
    height: 300px;
}

/* 图标旋转动画 */
#theme-toggle i,
#fullscreen-toggle i {
    transition: transform 0.3s ease;
}

#theme-toggle:hover i {
    transform: rotate(180deg);
}

#fullscreen-toggle:hover i {
    transform: scale(1.2);
}

/* 增强的动画效果 */

/* 卡片悬停动画增强 */
.prompt-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.prompt-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s;
}

.prompt-card:hover::before {
    left: 100%;
}

.prompt-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 按钮动画增强 */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

/* 输入框动画增强 */
.form-group input,
.form-group textarea,
.form-group select {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    transform: scale(1.02);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

/* 搜索框动画 */
#search-input {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#search-input:focus {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(74, 144, 226, 0.2);
}

/* 加载动画增强 */
.loading-spinner {
    animation: spin 1s linear infinite, pulse 2s ease-in-out infinite alternate;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

/* 结果区域动画 */
#result-section {
    animation: slideInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 统计数字动画增强 */
.stat-number {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-item:hover .stat-number {
    transform: scale(1.2);
    color: var(--primary-color);
}

/* 快速操作按钮动画 */
.quick-action {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.quick-action::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
}

.quick-action:hover::after {
    width: 100%;
}

.quick-action:hover {
    transform: translateY(-3px);
    color: var(--primary-color);
}

/* 模态框动画增强 */
.modal {
    animation: modalFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-content {
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* 页面加载动画 */
body {
    animation: pageLoad 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pageLoad {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动动画增强 */
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-animate.animate {
    opacity: 1;
    transform: translateY(0);
}

/* 粒子效果增强 */
.particle {
    animation: float 6s ease-in-out infinite, sparkle 3s linear infinite;
}

@keyframes sparkle {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 1;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    33% {
        transform: translateY(-20px) rotate(120deg);
    }

    66% {
        transform: translateY(10px) rotate(240deg);
    }
}

/* 鼠标粒子效果 */
@keyframes mouseParticle {
    0% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }

    100% {
        opacity: 0;
        transform: scale(0) translateY(-50px);
    }
}

/* 移动端优化 */
.mobile-layout .prompt-card {
    transform: none !important;
    transition: box-shadow 0.3s ease;
}

.mobile-layout .prompt-card:hover {
    transform: none !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mobile-layout .btn:hover {
    transform: none !important;
}

/* 焦点效果增强 */
.form-group.focused {
    transform: scale(1.02);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 高级动画效果 */
.advanced-animation {
    animation: advancedFloat 4s ease-in-out infinite;
}

@keyframes advancedFloat {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
        filter: hue-rotate(0deg);
    }

    25% {
        transform: translateY(-10px) rotate(90deg);
        filter: hue-rotate(90deg);
    }

    50% {
        transform: translateY(-20px) rotate(180deg);
        filter: hue-rotate(180deg);
    }

    75% {
        transform: translateY(-10px) rotate(270deg);
        filter: hue-rotate(270deg);
    }
}

/* 渐变背景动画 */
.gradient-animation {
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* 文字打字机效果 */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-color);
    white-space: nowrap;
    animation: typing 3.5s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes blink-caret {

    from,
    to {
        border-color: transparent;
    }

    50% {
        border-color: var(--primary-color);
    }
}

/* 3D 翻转效果 */
.flip-card {
    perspective: 1000px;
    transition: transform 0.6s;
}

.flip-card:hover {
    transform: rotateY(180deg);
}

/* 波浪动画 */
.wave-animation {
    position: relative;
    overflow: hidden;
}

.wave-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    animation: wave 2s infinite;
}

@keyframes wave {
    0% {
        left: -100%;
    }

    100% {
        left: 100%;
    }
}

/* ===== GitHub风格粒子特效 ===== */
.particle-canvas {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100% !important;
    height: 100% !important;
    pointer-events: none;
    z-index: -1;
    opacity: 0.8;
}

/* 深色主题下的粒子效果 */
[data-theme="dark"] .particle-canvas {
    opacity: 0.9;
}

[data-theme="dark"] .particle-canvas {
    filter: blur(0.5px);
}

/* 浅色主题下的粒子效果 */
[data-theme="light"] .particle-canvas {
    opacity: 0.6;
}

[data-theme="light"] .particle-canvas {
    filter: blur(0.3px);
}

/* 背景动画容器增强 */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
}

/* 繁星闪烁效果增强 */
@keyframes starTwinkle {

    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

@keyframes starPulse {

    0%,
    100% {
        opacity: 0.4;
    }

    25% {
        opacity: 0.8;
    }

    75% {
        opacity: 0.6;
    }
}

/* 粒子连线动画 */
@keyframes particleConnection {
    0% {
        stroke-dasharray: 0, 100;
    }

    100% {
        stroke-dasharray: 100, 0;
    }
}

/* 主题切换时的粒子过渡效果 */
.theme-switching .particle-canvas {
    transition: opacity 0.5s ease-in-out;
}

/* 响应式粒子效果 */
@media (max-width: 768px) {
    .particle-canvas {
        opacity: 0.4 !important;
    }

    [data-theme="dark"] .particle-canvas {
        opacity: 0.5 !important;
    }
}

/* 高性能模式下的粒子优化 */
@media (prefers-reduced-motion: reduce) {
    .particle-canvas {
        animation: none !important;
        opacity: 0.3 !important;
    }
}

/* ===== 标题图标优化 ===== */
.title-icon {
    font-size: 0.8em;
    animation: bounce 2s infinite;
    display: inline-block;
    vertical-align: middle;
    font-family: 'Font Awesome 5 Free' !important;
    /* Font Awesome字体 */
    font-weight: 900 !important;
    /* 确保显示实心图标 */
    font-style: normal;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    color: inherit !important;
    /* 继承父元素颜色 */
    opacity: 1 !important;
    /* 完全不透明 */
    visibility: visible !important;
    /* 确保可见 */
    width: auto !important;
    /* 自动宽度 */
    height: auto !important;
    /* 自动高度 */
}

/* 深色主题下的图标效果 */
[data-theme="dark"] .title-icon {
    opacity: 1;
    /* 深色主题下完全不透明 */
    filter: brightness(1.2);
    /* 轻微提亮 */
}

/* 浅色主题下的图标效果 */
[data-theme="light"] .title-icon {
    opacity: 0.8;
    /* 浅色主题下轻微透明 */
    filter: brightness(0.9);
    /* 轻微调暗 */
}

/* 标题悬停时增强效果 */
.main-title:hover .title-icon {
    transform: scale(1.1);
    /* 轻微放大 */
    transition: transform 0.3s ease;
    opacity: 1;
    /* 悬停时完全不透明 */
}

/* Font Awesome图标样式调整 */
.title-icon {
    margin-right: 0.2em;
    /* 与文字间距 */
    position: relative;
    top: -0.05em;
    /* 微调垂直位置 */
}