/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #d946ef);
    --secondary-gradient: linear-gradient(90deg, #3b82f6, #8b5cf6);
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --background-dark: #0f172a;
    --card-bg: #1e293b;
    --card-border: #334155;
    --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 15px rgba(0, 0, 0, 0.3);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --transition-fast: 0.3s ease;
}

/* 顶部栏样式 */
.top-bar {
    background-color: rgba(30, 41, 59, 0.95);
    border-bottom: 1px solid var(--card-border);
    padding: 10px 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
}

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

/* 域名徽章 */
.domain-badge {
    background: var(--primary-gradient);
    color: white;
    padding: 6px 15px;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.domain-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 社交分享按钮 */
.social-share {
    display: flex;
    gap: 10px;
}

.share-btn {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    padding: 0;
    outline: none;
}

.share-btn:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    border-color: rgba(99, 102, 241, 0.4);
}

.share-btn[data-platform="wechat"]:hover {
    background-color: rgba(41, 197, 66, 0.2);
    color: #49de6a;
    border-color: rgba(41, 197, 66, 0.4);
}

.share-btn[data-platform="weibo"]:hover {
    background-color: rgba(225, 51, 51, 0.2);
    color: #ff5555;
    border-color: rgba(225, 51, 51, 0.4);
}

.share-btn[data-platform="qq"]:hover {
    background-color: rgba(24, 144, 255, 0.2);
    color: #18a0fb;
    border-color: rgba(24, 144, 255, 0.4);
}

/* 添加国际社交媒体样式 */
.share-btn[data-platform="facebook"]:hover {
    background-color: rgba(59, 89, 152, 0.2);
    color: #4267B2;
    border-color: rgba(59, 89, 152, 0.4);
}

.share-btn[data-platform="twitter"]:hover {
    background-color: rgba(29, 161, 242, 0.2);
    color: #1DA1F2;
    border-color: rgba(29, 161, 242, 0.4);
}

.share-btn[data-platform="linkedin"]:hover {
    background-color: rgba(0, 119, 181, 0.2);
    color: #0077B5;
    border-color: rgba(0, 119, 181, 0.4);
}

body {
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-dark);
    padding-top: 50px;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
header {
    background: var(--primary-gradient);
    color: white;
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* 紧凑型头部样式 */
.compact-header {
    padding: 3rem 0;
    background: var(--primary-gradient);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.compact-header h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.compact-header p {
    font-size: 1.3rem;
    opacity: 0.9;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml;base64,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');
    opacity: 0.1;
    z-index: 0;
}

header .container {
    position: relative;
    z-index: 1;
}

header h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    background: linear-gradient(to right, #ffffff, #e2e8f0);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

header p {
    font-size: 1.5rem;
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* Main Content Area Layout */
.main-content {
    padding: 3rem 0;
}

section {
    margin-bottom: 5rem;
}

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

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    color: var(--text-primary);
    position: relative;
    letter-spacing: -0.025em;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 2rem;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
}

/* Filter Button Styles */
.filters {
    text-align: center;
    margin-bottom: 4rem;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-bottom: 2rem;
}

.filter-btn {
    padding: 10px 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: -1;
}

.filter-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.4);
}

.filter-btn:hover::before {
    opacity: 0.05;
}

.filter-btn.active {
    color: white;
    border-color: transparent;
}

.filter-btn.active::before {
    opacity: 1;
}

/* 主内容区域布局 */
.main-content {
    margin-bottom: 3rem;
}

.content-wrapper {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

/* Left Category Filter Menu */
.sidebar-filter {
    flex: 0 0 250px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 2rem;
    border: 1px solid var(--card-border);
    transition: all var(--transition-fast);
}

.sidebar-filter:hover {
    box-shadow: var(--shadow-md);
    border-color: rgba(99, 102, 241, 0.3);
}

.sidebar-filter h3 {
    font-size: 1.2rem;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 0.75rem;
    display: flex;
    align-items: center;
}

.sidebar-filter h3::before {
    content: '🔍';
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.sidebar-filter h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.3), rgba(0, 0, 0, 0));
    border-radius: 2px;
}

.filter-options-vertical {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.filter-options-vertical .filter-btn {
    width: 100%;
    text-align: left;
    display: flex;
    align-items: center;
    position: relative;
    padding: 12px 16px;
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.3s ease;
    background-color: transparent;
}

.filter-options-vertical .filter-btn::before {
    content: '';
    width: 4px;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
    border-radius: 0 2px 2px 0;
}

.filter-options-vertical .filter-btn::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    z-index: -1;
    transition: opacity 0.3s ease;
}

.filter-options-vertical .filter-btn:hover {
    transform: translateX(5px);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.15);
}

.filter-options-vertical .filter-btn:hover::before {
    opacity: 0.8;
}

.filter-options-vertical .filter-btn.active {
    background-color: rgba(99, 102, 241, 0.1);
    color: white;
    padding-left: 20px;
    font-weight: 500;
    transform: translateX(5px);
    box-shadow: 0 3px 10px rgba(99, 102, 241, 0.2);
}

.filter-options-vertical .filter-btn.active::after {
    opacity: 0.9;
}

/* Add Icons Before Each Filter Button */
.filter-options-vertical .filter-btn[data-filter="all"]::before,
.filter-options-vertical .filter-btn[data-filter="free"]::before,
.filter-options-vertical .filter-btn[data-filter="paid"]::before,
.filter-options-vertical .filter-btn[data-filter="chinese"]::before,
.filter-options-vertical .filter-btn[data-filter="multilingual"]::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-right: 8px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    position: static;
    opacity: 0.8;
}

.filter-options-vertical .filter-btn[data-filter="all"]::before {
    content: '🌐';
}

.filter-options-vertical .filter-btn[data-filter="free"]::before {
    content: '🆓';
}

.filter-options-vertical .filter-btn[data-filter="paid"]::before {
    content: '💰';
}

.filter-options-vertical .filter-btn[data-filter="chinese"]::before {
    content: '🇨🇳';
}

.filter-options-vertical .filter-btn[data-filter="multilingual"]::before {
    content: '🌍';
}

/* 右侧主要内容区域 */
.main-tools-area {
    flex: 1;
}

/* Maintain existing tool grid style but adjust for adaptive width */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.tool-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
    border: 1px solid var(--card-border);
    position: relative;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(99, 102, 241, 0.1);
    user-select: none;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.03);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 2;
    pointer-events: none;
}

.tool-card:hover::before {
    opacity: 1;
}

/* 添加点击时的视觉反馈 */
.tool-card:active {
    transform: translateY(-4px) scale(0.98);
    transition: transform 0.1s ease;
}

.tool-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
    border-color: #4b5563;
    border-color: rgba(99, 102, 241, 0.4);
}

/* 添加点击波纹效果 */
.tool-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%, -50%);
    transform-origin: 50% 50%;
    z-index: 10;
    pointer-events: none;
    transition: all 0.3s ease;
}

.tool-card:active::after {
    opacity: 0.2;
    transform: scale(80, 80) translate(-50%, -50%);
    transition: transform 0.5s ease, opacity 0.4s ease;
}

/* 图片容器和占位符样式 */
.tool-img-container {
    width: 100%;
    height: 133px;
    overflow: hidden;
    position: relative;
    background-color: var(--card-bg);
    flex-shrink: 0;
}

.tool-img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 1;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.tool-icon {
    font-size: 2.5rem;
    font-weight: 700;
    text-transform: uppercase;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    line-height: 1;
    letter-spacing: 1px;
    padding-bottom: 0.5rem;
}

.tool-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
    position: relative;
    z-index: 0;
}

.tool-card:hover .tool-img {
    transform: scale(1.05);
}

.tool-info {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.tool-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    min-height: 2.2rem;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-desc {
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    font-size: 1rem;
    line-height: 1.6;
    min-height: 5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tool-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 1.25rem;
}

.tool-tag {
    background-color: #2d3748;
    padding: 5px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.tool-tag.free {
    background-color: rgba(14, 165, 233, 0.2);
    color: #7dd3fc;
    border: 1px solid rgba(14, 165, 233, 0.3);
}

.tool-tag.paid {
    background-color: rgba(234, 179, 8, 0.2);
    color: #fde047;
    border: 1px solid rgba(234, 179, 8, 0.3);
}

.tool-tag.chinese {
    background-color: rgba(34, 197, 94, 0.2);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.tool-tag.multilingual {
    background-color: rgba(168, 85, 247, 0.2);
    color: #d8b4fe;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.tool-features {
    margin-bottom: 1.5rem;
    flex: 1;
}

.tool-features ul {
    list-style: none;
}

.tool-features li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.tool-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #8b5cf6;
    font-weight: bold;
}

/* 工具卡片操作区域 */
.tool-actions {
    display: flex;
    gap: 10px;
    margin-top: auto;
}

.tool-link {
    display: inline-block;
    padding: 12px 24px;
    background: var(--secondary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    text-align: center;
    flex: 1;
    position: relative;
    z-index: 3;
    letter-spacing: 0.025em;
    cursor: pointer;
    border: none;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
}

.tool-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 15px;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    font-size: 0.9rem;
}

.tool-share-btn:hover {
    color: white;
    background-color: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
}

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

.tool-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
    filter: brightness(1.1);
}

.tool-link:active {
    transform: translateY(0);
    filter: brightness(0.95);
    transition: transform 0.1s ease, filter 0.1s ease;
}

/* Optimized Click Tooltip Styles */
.tool-card .tool-info::after {
    content: 'Click card for details';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 0.75rem;
    color: #ffffff;
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    background-color: rgba(99, 102, 241, 0.8);
    padding: 4px 8px;
    border-radius: 4px;
    transform: translateY(-5px);
    pointer-events: none;
    z-index: 5;
}

.tool-card:hover .tool-info::after {
    opacity: 1;
    transform: translateY(0);
}

/* Adjust Card Hover Effects */
.tool-card:hover .tool-link {
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

/* 页脚样式 */
footer {
    background-color: #1e293b;
    color: white;
    padding: 4rem 0;
    text-align: center;
}

footer p {
    opacity: 0.8;
    font-size: 1rem;
}

/* 分享菜单样式 */
.share-menu {
    position: absolute;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    width: 150px;
    padding: 10px 0;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.share-menu-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.share-menu-item:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

.share-menu-icon {
    margin-right: 10px;
    color: var(--text-secondary);
}

.share-menu-text {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.share-menu-item:hover .share-menu-icon {
    color: #8b5cf6;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* No Results Message */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem;
    background: var(--card-bg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    color: var(--text-secondary);
    font-size: 1.2rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .compact-header {
        padding: 2.5rem 0;
    }
    
    .compact-header h1 {
        font-size: 2.5rem;
    }
    
    .compact-header p {
        font-size: 1.2rem;
    }
    
    header h1 {
        font-size: 2.8rem;
    }
    
    h2 {
        font-size: 2.2rem;
    }
    
    .intro {
        padding: 2.5rem;
    }
    
    .content-wrapper {
        flex-direction: column;
    }
    
    .sidebar-filter {
        flex: 0 0 auto;
        width: 100%;
        margin-bottom: 2rem;
        position: static;
    }
    
    .filter-options-vertical {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .filter-options-vertical .filter-btn {
        width: auto;
        flex: 1 0 auto;
        text-align: center;
        justify-content: center;
        transform: none !important;
    }
    
    .filter-options-vertical .filter-btn::before {
        width: auto;
        height: 3px;
        left: 5px;
        right: 5px;
        bottom: 0;
        top: auto;
    }
    
    .filter-options-vertical .filter-btn.active {
        padding-left: 16px;
    }
    
    .section-header {
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 768px) {
    .compact-header {
        padding: 2rem 0;
    }
    
    .compact-header h1 {
        font-size: 2.2rem;
    }
    
    .compact-header p {
        font-size: 1.1rem;
    }
    
    header {
        padding: 4rem 0;
    }
    
    header h1 {
        font-size: 2.4rem;
    }
    
    header p {
        font-size: 1.2rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .tools-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }
    
    .intro {
        padding: 2rem;
    }
    
    .filter-options-vertical .filter-btn {
        flex: 0 0 calc(50% - 5px);
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .section-header p {
        font-size: 1.1rem;
    }
    
    .search-container {
        margin-bottom: 1.5rem;
    }
    
    .domain-badge {
        font-size: 0.8rem;
        padding: 4px 10px;
    }
    
    .share-btn {
        width: 28px;
        height: 28px;
    }
    
    .share-btn svg {
        width: 16px;
        height: 16px;
    }
}

@media (max-width: 480px) {
    .compact-header {
        padding: 1.5rem 0;
    }
    
    .compact-header h1 {
        font-size: 1.8rem;
    }
    
    .compact-header p {
        font-size: 1rem;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    header p {
        font-size: 1.1rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .filter-options {
        justify-content: center;
    }
    
    .tool-img-container {
        height: 110px;
    }
    
    .intro {
        padding: 1.5rem;
    }
    
    .filter-options-vertical .filter-btn {
        flex: 0 0 100%;
    }
    
    .section-header h2 {
        font-size: 1.6rem;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    .search-container {
        margin-bottom: 1rem;
    }
    
    .domain-badge {
        font-size: 0.75rem;
        padding: 3px 8px;
    }
    
    .social-share {
        gap: 5px;
    }
    
    .share-btn {
        width: 26px;
        height: 26px;
    }
    
    .share-btn svg {
        width: 14px;
        height: 14px;
    }
}

/* 增加黑色主题特殊效果 */
.header-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(139, 92, 246, 0.05) 50%, rgba(0, 0, 0, 0) 70%);
    top: -300px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
    pointer-events: none;
}

/* 增强页面的整体效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(99, 102, 241, 0.03) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.03) 0%, transparent 20%);
    pointer-events: none;
    z-index: -1;
}

/* Search Box Styles */
.search-container {
    margin-bottom: 2rem;
    width: 100%;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.search-box {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius-lg);
    padding: 0.5rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.search-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 0;
}

.search-box:focus-within {
    border-color: rgba(99, 102, 241, 0.4);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-box:focus-within::before {
    opacity: 0.05;
}

#search-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: var(--text-primary);
    font-family: inherit;
    position: relative;
    z-index: 1;
}

#search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

#search-input:focus {
    outline: none;
}

#search-button {
    background: var(--secondary-gradient);
    border: none;
    border-radius: var(--border-radius-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    transition: all var(--transition-fast);
    position: relative;
    z-index: 1;
}

#search-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 3px 8px rgba(99, 102, 241, 0.3);
}

.search-tip {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    text-align: center;
    opacity: 0.8;
}

/* Search Result Highlighting */
mark {
    background-color: rgba(139, 92, 246, 0.3);
    color: inherit;
    padding: 0 2px;
    border-radius: 3px;
    font-weight: 500;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .search-box {
        flex-wrap: nowrap;
    }
    
    #search-input {
        font-size: 0.95rem;
        padding: 0.6rem 0.8rem;
    }
    
    #search-button {
        width: 36px;
        height: 36px;
    }
    
    .search-tip {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .search-box {
        padding: 0.4rem;
    }
    
    #search-input {
        font-size: 0.9rem;
        padding: 0.5rem 0.7rem;
    }
    
    #search-button {
        width: 32px;
        height: 32px;
    }
    
    #search-button svg {
        width: 16px;
        height: 16px;
    }
}

/* Search Status Indicator */
.search-status {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-top: 0.5rem;
    text-align: center;
    min-height: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.search-status.active {
    opacity: 1;
}

/* Search Clear Button */
#search-clear {
    background: transparent;
    border: none;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    margin-right: 8px;
    position: relative;
    z-index: 2;
    opacity: 0.7;
    border-radius: 50%;
}

#search-clear:hover {
    opacity: 1;
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.1);
}

#search-clear:active {
    transform: scale(0.95);
}

#search-clear svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 480px) {
    #search-clear {
        width: 22px;
        height: 22px;
        margin-right: 4px;
    }
    
    #search-clear svg {
        width: 14px;
        height: 14px;
    }
}