/* FileSearch 产品主题样式 - 蓝色系科技感 */

[data-theme="filesearch"] {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #60a5fa;
    --secondary: #06b6d4;
    --accent: #8b5cf6;
    --gradient: linear-gradient(135deg, #3b82f6, #06b6d4);
    --gradient-hover: linear-gradient(135deg, #2563eb, #0891b2);
    --tech-glow: rgba(59, 130, 246, 0.3);
}

[data-theme="filesearch"] .hero-section {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 50%, #bfdbfe 100%);
    position: relative;
    overflow: hidden;
}

[data-theme="filesearch"] .hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

[data-theme="filesearch"] .hero-title {
    background: linear-gradient(135deg, #2563eb 0%, #06b6d4 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="filesearch"] .hero-badge {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: #2563eb;
}

[data-theme="filesearch"] .btn-hero-primary {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

[data-theme="filesearch"] .btn-hero-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

[data-theme="filesearch"] .btn-hero-primary:hover::before {
    left: 100%;
}

[data-theme="filesearch"] .btn-hero-primary:hover {
    background: linear-gradient(135deg, #2563eb, #0891b2);
    box-shadow: 0 6px 30px rgba(59, 130, 246, 0.4);
    transform: translateY(-2px);
}

[data-theme="filesearch"] .btn-hero-secondary {
    background: rgba(59, 130, 246, 0.05);
    border: 2px solid rgba(59, 130, 246, 0.3);
    color: #2563eb;
}

[data-theme="filesearch"] .btn-hero-secondary:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: #3b82f6;
}

[data-theme="filesearch"] .feature-card {
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

[data-theme="filesearch"] .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #06b6d4);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

[data-theme="filesearch"] .feature-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
    transform: translateY(-5px);
}

[data-theme="filesearch"] .feature-card:hover::before {
    transform: scaleX(1);
}

[data-theme="filesearch"] .feature-icon {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

[data-theme="filesearch"] .feature-title {
    color: #1e293b;
}

[data-theme="filesearch"] .feature-desc {
    color: #64748b;
}

[data-theme="filesearch"] .feature-tags .tag {
    background: rgba(59, 130, 246, 0.1);
    color: #2563eb;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

[data-theme="filesearch"] .advantage-card {
    background: linear-gradient(135deg, #ffffff, #eff6ff);
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.25rem;
}

[data-theme="filesearch"] .advantage-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.2);
    transform: translateY(-8px);
}

[data-theme="filesearch"] .advantage-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(6, 182, 212, 0.15));
    color: #3b82f6;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.25rem;
    transition: all 0.3s ease;
}

[data-theme="filesearch"] .advantage-card:hover .advantage-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(6, 182, 212, 0.25));
    transform: scale(1.1) rotate(5deg);
}

[data-theme="filesearch"] .advantage-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #1e293b;
    margin: 0;
}

[data-theme="filesearch"] .advantage-desc {
    font-size: 0.9375rem;
    color: #64748b;
    margin: 0;
    line-height: 1.6;
}

[data-theme="filesearch"] .step-card {
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
}

[data-theme="filesearch"] .step-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
}

[data-theme="filesearch"] .step-number {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
}

[data-theme="filesearch"] .step-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    color: #3b82f6;
}

[data-theme="filesearch"] .step-line {
    background: linear-gradient(90deg, #3b82f6, #06b6d4);
}

[data-theme="filesearch"] .download-card {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
}

[data-theme="filesearch"] .download-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

[data-theme="filesearch"] .btn-download-primary {
    background: #ffffff;
    color: #3b82f6;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

[data-theme="filesearch"] .btn-download-primary:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="filesearch"] .support-card {
    background: #ffffff;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
    padding: 2rem 1.5rem;
    border-radius: 16px;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

[data-theme="filesearch"] .support-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.2);
    transform: translateY(-8px);
}

[data-theme="filesearch"] .support-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(6, 182, 212, 0.15));
    color: #3b82f6;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: all 0.3s ease;
}

[data-theme="filesearch"] .support-card:hover .support-icon {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.25), rgba(6, 182, 212, 0.25));
    transform: scale(1.1);
}

[data-theme="filesearch"] .support-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #1e293b;
    margin: 0;
    transition: color 0.3s ease;
}

[data-theme="filesearch"] .support-card:hover .support-name {
    color: #3b82f6;
}

/* 搜索可视化样式 */
.search-visualizer {
    position: relative;
    padding: 40px;
}

.search-container {
    position: relative;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.search-demo {
    margin-bottom: 30px;
}

.search-input-wrapper {
    margin-bottom: 20px;
}

.search-input-box {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f8fafc, #eff6ff);
    border: 2px solid rgba(59, 130, 246, 0.2);
    border-radius: 12px;
    padding: 15px 20px;
    font-size: 1.1rem;
    position: relative;
    overflow: hidden;
}

.search-input-box .search-icon {
    color: #3b82f6;
    margin-right: 10px;
    font-size: 1.3rem;
}

.search-input-box .search-text {
    color: #1e293b;
    font-weight: 500;
    font-family: 'Courier New', monospace;
}

.search-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: #3b82f6;
    margin-left: 2px;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.search-results {
    background: #ffffff;
    border-radius: 12px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    overflow: hidden;
}

.result-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.05);
    transition: all 0.3s ease;
}

.result-item:last-child {
    border-bottom: none;
}

.result-item:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(6, 182, 212, 0.05));
}

.result-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.2));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: #ef4444;
    font-size: 1.2rem;
}

.result-info {
    flex: 1;
}

.result-name {
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 2px;
}

.result-path {
    font-size: 0.85rem;
    color: #64748b;
}

.result-size {
    color: #64748b;
    font-size: 0.9rem;
    font-weight: 500;
}

.search-stats {
    display: flex;
    justify-content: space-around;
    padding-top: 20px;
    border-top: 1px solid rgba(59, 130, 246, 0.1);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.3rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.stat-content {
    text-align: left;
}

.stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1e293b;
}

.stat-label {
    font-size: 0.85rem;
    color: #64748b;
}

/* 功能展示卡片 */
.showcase-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc, #eff6ff);
}

.showcase-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: all 0.3s ease;
}

.showcase-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
    transform: translateY(-5px);
}

.showcase-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.showcase-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.3rem;
}

.showcase-header h3 {
    margin: 0;
    color: #1e293b;
    font-weight: 600;
}

.search-example {
    background: linear-gradient(135deg, #f8fafc, #eff6ff);
    border-radius: 12px;
    padding: 20px;
}

.example-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.example-item:last-child {
    border-bottom: none;
}

.example-item code {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 6px;
    font-family: 'Courier New', monospace;
    font-weight: 600;
    font-size: 0.9rem;
}

.example-item span {
    color: #64748b;
    font-size: 0.9rem;
}

/* 性能对比 */
.compare-section {
    padding: 80px 0;
    background: #ffffff;
}

.compare-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    border: 2px solid rgba(59, 130, 246, 0.1);
    height: 100%;
}

.compare-card.compare-old {
    border-color: rgba(239, 68, 68, 0.2);
}

.compare-card.compare-old .compare-header {
    color: #ef4444;
}

.compare-card.compare-new {
    border-color: rgba(59, 130, 246, 0.3);
    background: linear-gradient(135deg, #ffffff, #eff6ff);
}

.compare-card.compare-new .compare-header {
    color: #3b82f6;
}

.compare-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
    font-size: 1.2rem;
    font-weight: 600;
}

.compare-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.compare-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.compare-label {
    width: 80px;
    color: #64748b;
    font-size: 0.9rem;
}

.compare-bar {
    flex: 1;
    height: 10px;
    background: #f1f5f9;
    border-radius: 5px;
    overflow: hidden;
}

.compare-fill {
    height: 100%;
    border-radius: 5px;
    transition: width 1s ease;
}

.compare-old .compare-fill {
    background: linear-gradient(90deg, #fbbf24, #f97316);
}

.compare-new .compare-fill {
    background: linear-gradient(90deg, #3b82f6, #06b6d4);
}

.compare-value {
    width: 50px;
    text-align: right;
    font-weight: 600;
    font-size: 0.9rem;
}

.compare-old .compare-value {
    color: #f97316;
}

.compare-new .compare-value {
    color: #3b82f6;
}

.support-section {
    padding: 80px 0;
}

.features-section{
    padding: 80px 0;
}

/* 页面Hero */
.page-hero {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    padding: 80px 0;
    margin-top: 65px;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.page-hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.page-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
}

/* 关于页面 */
.about-intro {
    padding: 80px 0;
    background: #ffffff;
}

.about-visual {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
}

.visual-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    animation: pulse 2s ease-in-out infinite;
}

.visual-circle-2 {
    width: 250px;
    height: 250px;
    animation-delay: 0.5s;
}

.visual-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 2.5rem;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.3);
}

@keyframes pulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
        opacity: 0.5;
    }
}

.about-content {
    padding-left: 30px;
}

.about-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 20px;
}

.about-desc {
    color: #64748b;
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin-top: 25px;
}

.about-features .feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #1e293b;
}

.about-features .feature-item i {
    color: #3b82f6;
}

.about-mission {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc, #eff6ff);
}

.mission-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px 30px;
    text-align: center;
    border: 1px solid rgba(59, 130, 246, 0.1);
    height: 100%;
    transition: all 0.3s ease;
}

.mission-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
    transform: translateY(-5px);
}

.mission-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #ffffff;
    font-size: 1.8rem;
}

.mission-card h3 {
    color: #1e293b;
    margin-bottom: 15px;
    font-weight: 600;
}

.mission-card p {
    color: #64748b;
    line-height: 1.6;
}

.about-tech {
    padding: 80px 0;
    background: #ffffff;
}

.tech-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    height: 100%;
    transition: all 0.3s ease;
}

.tech-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
}

.tech-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.tech-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.3rem;
}

.tech-header h3 {
    margin: 0;
    color: #1e293b;
    font-weight: 600;
}

.tech-content p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 15px;
}

.tech-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: #1e293b;
}

.tech-list li i {
    color: #3b82f6;
}

.about-usecases {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8fafc, #eff6ff);
}

.usecase-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 1px solid rgba(59, 130, 246, 0.1);
    height: 100%;
    transition: all 0.3s ease;
}

.usecase-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
    transform: translateY(-5px);
}

.usecase-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #3b82f6;
    font-size: 1.5rem;
}

.usecase-card h4 {
    color: #1e293b;
    margin-bottom: 10px;
    font-weight: 600;
}

.usecase-card p {
    color: #64748b;
    font-size: 0.9rem;
}

.about-contact {
    padding: 80px 0;
    background: #ffffff;
}

.contact-card {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border-radius: 16px;
    padding: 40px;
    color: #ffffff;
}

.contact-card h3 {
    margin-bottom: 10px;
    font-weight: 600;
}

.contact-card p {
    opacity: 0.9;
    margin-bottom: 20px;
}

.contact-info {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-contact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #ffffff;
    color: #3b82f6;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-contact:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    color: #3b82f6;
}

/* 帮助页面 */
.help-section {
    padding: 60px 0;
    background: #f8fafc;
}

.help-nav {
    background: #ffffff;
    border-radius: 16px;
    padding: 25px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    position: sticky;
    top: 100px;
}

.help-nav-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.help-nav-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.help-nav-list li {
    margin-bottom: 5px;
}

.help-nav-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    color: #64748b;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.help-nav-list a:hover {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(6, 182, 212, 0.05));
    color: #3b82f6;
}

.help-nav-list li.active a {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
}

.help-content {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.help-block {
    margin-bottom: 50px;
}

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

.help-block-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.help-block-title i {
    color: #3b82f6;
}

.help-step {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding: 20px;
    background: linear-gradient(135deg, #f8fafc, #eff6ff);
    border-radius: 12px;
}

.step-num {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    margin: 0 0 8px;
    color: #1e293b;
    font-weight: 600;
}

.step-content p {
    margin: 0;
    color: #64748b;
}

.help-item {
    margin-bottom: 25px;
}

.help-item h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #1e293b;
    margin-bottom: 10px;
}

.help-item h4 i {
    color: #3b82f6;
    font-size: 0.9rem;
}

.help-item p {
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 10px;
}

.help-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.help-item li {
    padding: 8px 0;
    color: #64748b;
}

.help-item code {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
}

.faq-item {
    margin-bottom: 15px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    background: linear-gradient(135deg, #f8fafc, #eff6ff);
    cursor: pointer;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
}

.faq-question i {
    color: #3b82f6;
    transition: transform 0.3s ease;
}

.faq-question span {
    font-weight: 600;
    color: #1e293b;
}

.faq-answer {
    display: none;
    padding: 15px 20px;
    background: #ffffff;
}

.faq-answer p {
    margin: 0;
    color: #64748b;
    line-height: 1.6;
}

/* 购买页面 */
.buy-section {
    padding: 80px 0;
    background: #f8fafc;
}

.buy-intro {
    text-align: center;
    margin-bottom: 50px;
}

.buy-intro h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 10px;
}

.buy-intro p {
    color: #64748b;
}

.price-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    border: 2px solid rgba(59, 130, 246, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    position: relative;
}

.price-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
    transform: translateY(-5px);
}

.price-card-featured {
    border-color: #3b82f6;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.2);
}

.price-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
    padding: 5px 20px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.price-header {
    text-align: center;
    margin-bottom: 25px;
}

.price-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 5px;
}

.price-desc {
    color: #64748b;
    font-size: 0.9rem;
}

.price-body {
    flex: 1;
}

.price-amount {
    text-align: center;
    margin-bottom: 25px;
}

.price-currency {
    font-size: 1.5rem;
    color: #3b82f6;
    vertical-align: top;
}

.price-value {
    font-size: 3rem;
    font-weight: 700;
    color: #1e293b;
}

.price-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.price-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    color: #64748b;
    border-bottom: 1px solid rgba(59, 130, 246, 0.05);
}

.price-features li:last-child {
    border-bottom: none;
}

.price-features li i {
    color: #3b82f6;
}

.price-footer {
    margin-top: 25px;
}

.btn-buy {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-buy:hover {
    background: linear-gradient(135deg, #2563eb, #0891b2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.buy-notice {
    margin-top: 50px;
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.buy-notice h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #1e293b;
    margin-bottom: 20px;
}

.buy-notice h3 i {
    color: #3b82f6;
}

.buy-notice ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.buy-notice li {
    padding: 10px 0;
    color: #64748b;
    padding-left: 20px;
    position: relative;
}

.buy-notice li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #3b82f6;
}

.buy-faq {
    padding: 80px 0;
    background: #ffffff;
}

.faq-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 30px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    height: 100%;
    transition: all 0.3s ease;
}

.faq-card:hover {
    border-color: #3b82f6;
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.15);
}

.faq-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    color: #3b82f6;
    font-size: 1.3rem;
}

.faq-card h4 {
    color: #1e293b;
    margin-bottom: 10px;
    font-weight: 600;
}

.faq-card p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* 新闻详情页 */
.news-detail-section {
    padding: 60px 0;
    background: #f8fafc;
}

.news-detail-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 40px;
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.news-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.news-title {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 15px;
}

.news-meta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.news-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #64748b;
    font-size: 0.9rem;
}

.news-meta i {
    color: #3b82f6;
}

.news-content {
    color: #374151;
    line-height: 1.8;
}

.news-content h3 {
    color: #1e293b;
    margin: 25px 0 15px;
}

.news-content ul {
    padding-left: 20px;
}

.news-content li {
    margin-bottom: 10px;
}

.news-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(59, 130, 246, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.news-share {
    display: flex;
    align-items: center;
    gap: 15px;
}

.news-share span {
    color: #64748b;
}

.share-btn {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3b82f6;
    text-decoration: none;
    transition: all 0.3s ease;
}

.share-btn:hover {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
}

.news-nav {
    display: flex;
    gap: 15px;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: 8px;
    color: #3b82f6;
    text-decoration: none;
    transition: all 0.3s ease;
}

.nav-btn:hover {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
}

.news-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-card {
    background: #ffffff;
    border-radius: 16px;
    padding: 25px;
    border: 1px solid rgba(59, 130, 246, 0.1);
    margin-bottom: 20px;
}

.sidebar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
}

.sidebar-title i {
    color: #3b82f6;
}

.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-list li {
    margin-bottom: 15px;
}

.sidebar-list a {
    text-decoration: none;
    display: block;
}

.sidebar-list .list-title {
    display: block;
    color: #1e293b;
    font-size: 0.95rem;
    margin-bottom: 5px;
    transition: color 0.3s ease;
}

.sidebar-list a:hover .list-title {
    color: #3b82f6;
}

.sidebar-list .list-date {
    font-size: 0.85rem;
    color: #64748b;
}

.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.sidebar-tags .tag {
    display: inline-block;
    padding: 6px 15px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(6, 182, 212, 0.1));
    border-radius: 20px;
    color: #3b82f6;
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.sidebar-tags .tag:hover {
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
}

.sidebar-download {
    text-align: center;
}

.sidebar-download p {
    color: #64748b;
    margin-bottom: 15px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    color: #ffffff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-download:hover {
    background: linear-gradient(135deg, #2563eb, #0891b2);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    color: #ffffff;
}

/* Footer */
.tech-footer {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    color: #ffffff;
}

.footer-main {
    padding: 60px 0;
}

.footer-brand {
    margin-bottom: 20px;
}

.footer-logo {
    height: 40px;
    margin-bottom: 15px;
}

.footer-brand h4 {
    margin-bottom: 15px;
    font-weight: 600;
}

.footer-brand p {
    color: #94a3b8;
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links h5 {
    font-weight: 600;
    margin-bottom: 20px;
    color: #ffffff;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3b82f6;
}

.footer-contact h5 {
    font-weight: 600;
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #94a3b8;
    margin-bottom: 10px;
}

.contact-item i {
    color: #3b82f6;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3b82f6;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #3b82f6;
    color: #ffffff;
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.copyright {
    color: #64748b;
    margin: 0;
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: 15px;
    align-items: center;
}

.footer-legal a {
    color: #64748b;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-legal a:hover {
    color: #3b82f6;
}

.footer-legal span {
    color: #475569;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #06b6d4);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

/* 响应式 */
@media (max-width: 991px) {
    .about-content {
        padding-left: 0;
        margin-top: 30px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 15px;
    }
    
    .news-footer {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 767px) {
    .page-title {
        font-size: 2rem;
    }
    
    .search-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat-item {
        justify-content: center;
    }
    
    .compare-item {
        flex-wrap: wrap;
    }
    
    .compare-label {
        width: 100%;
    }
    
    .compare-value {
        width: 100%;
        text-align: left;
    }
}

/* download-section 下载区域 */
[data-theme="filesearch"] .download-section {
    padding: 60px 0;
    background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
}

[data-theme="filesearch"] .download-card {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
    position: relative;
    overflow: hidden;
}

[data-theme="filesearch"] .download-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

[data-theme="filesearch"] .download-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 10px;
}

[data-theme="filesearch"] .download-desc {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

[data-theme="filesearch"] .btn-download-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    color: #2563eb;
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

[data-theme="filesearch"] .btn-download-primary:hover {
    background: #eff6ff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
    color: #1d4ed8;
}

[data-theme="filesearch"] .btn-download-primary i {
    font-size: 1.2rem;
}

/* 图标大小修复 */
[data-theme="filesearch"] .feature-icon i,
[data-theme="filesearch"] .step-icon i,
[data-theme="filesearch"] .advantage-icon i {
    font-size: 1.75rem;
}

[data-theme="filesearch"] .stat-icon i {
    font-size: 1.3rem;
}

[data-theme="filesearch"] .timeline-dot i {
    font-size: 1.25rem;
}

/* downTop 顶部下载栏 */
.downTop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(59, 130, 246, 0.1);
    z-index: 9999;
    display: none;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.downTop.show {
    display: flex;
}

.downTop-logo {
    height: 36px;
    width: auto;
    margin-right: 12px;
}

.downTop-title {
    color: #1e293b;
    font-weight: 600;
    font-size: 1rem;
}

.downTopDowmload {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #ffffff !important;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.downTopDowmload:hover {
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.35);
    transform: translateY(-2px);
    color: #ffffff !important;
}

.downTopDowmload i {
    font-size: 1rem;
}

@media (max-width: 767px) {
    .downTop {
        height: 56px;
    }
    
    .downTop-logo {
        height: 28px;
    }
    
    .downTop-title {
        font-size: 0.875rem;
    }
    
    .downTopDowmload {
        padding: 8px 16px;
        font-size: 0.875rem;
    }
}