/* 首页布局 */
.main-content {
    padding-top: 80px;
    min-height: calc(100vh - 80px);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--space-md) 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: transform var(--transition-normal);
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-logo i {
    font-size: 28px;
}

.nav-menu {
    display: flex;
    gap: var(--space-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: var(--space-xs) 0;
    position: relative;
    transition: color var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-primary);
    cursor: pointer;
}

/* Hero区域 */
.hero-section {
    padding: var(--space-xxl) 0;
}

.hero-container {
    text-align: center;
}

.hero-heading {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.highlight {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    margin-left: var(--space-md);
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), #764ba2);
    border-radius: 2px;
    animation: underlineSlide 1s ease-out;
}

@keyframes underlineSlide {
    from {
        transform: scaleX(0);
        transform-origin: left;
    }
    to {
        transform: scaleX(1);
        transform-origin: left;
    }
}

.hero-desc {
    font-size: 24px;
    color: var(--text-regular);
    margin-bottom: var(--space-xl);
    line-height: 1.6;
}

.hero-desc strong {
    color: var(--primary-color);
    font-weight: 700;
}

/* 操作按钮 */
.hero-actions {
    margin-bottom: var(--space-xxl);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.button-group {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.action-button {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.action-button.primary {
    background: linear-gradient(135deg, var(--primary-color), #764ba2);
    color: var(--text-light);
}

.action-button.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.3);
}

.action-button.secondary {
    background: var(--bg-white);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.action-button.secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.button-icon {
    font-size: 20px;
}

/* 评分区域 */
.rating-section {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    margin-bottom: var(--space-xxl);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.rating-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.rating-icon {
    width: 100px;
    height: 100px;
    margin-bottom: var(--space-lg);
}

.rating-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.rating-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-lg);
}

.rating-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--space-xl);
    list-style: none;
    margin: 0 0 var(--space-lg) 0;
    padding: 0;
}

.rating-features li {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 18px;
    color: var(--text-regular);
}

.rating-features i {
    color: #ffc107;
    font-size: 20px;
}

.rating-stats {
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-color);
}

.stat-text {
    font-size: 18px;
    color: var(--text-secondary);
}

/* 产品截图 */
.hero-image {
    margin-top: var(--space-xxl);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--border-light);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-normal);
}

.hero-image:hover img {
    transform: scale(1.02);
}

/* 特性部分 */
.features-section {
    padding: var(--space-xxl) 0;
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    margin-top: var(--space-xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xxl);
}

.section-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.section-desc {
    font-size: 20px;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    background: var(--bg-white);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg) auto;
    font-size: 32px;
    color: var(--text-light);
    transition: transform var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.feature-desc {
    color: var(--text-regular);
    line-height: 1.6;
    margin: 0;
}

/* 价格方案部分 */
.pricing-section {
    padding: var(--space-xxl) 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-xl);
}

.pricing-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 2px solid var(--border-light);
    position: relative;
    transition: all var(--transition-normal);
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.pricing-card.featured {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    transform: scale(1.05);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-8px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-color), #764ba2);
    color: var(--text-light);
    padding: 6px 20px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
}

.pricing-header {
    text-align: center;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-light);
}

.plan-name {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-xs);
}

.price {
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-color);
}

.period {
    font-size: 16px;
    color: var(--text-secondary);
}

.plan-features {
    list-style: none;
    margin: 0 0 var(--space-xl) 0;
    padding: 0;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    color: var(--text-regular);
    border-bottom: 1px solid var(--border-light);
}

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

.plan-features i {
    color: var(--success-color);
}

.pricing-button {
    width: 100%;
    padding: 16px 32px;
    background: var(--bg-light);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.pricing-button:hover {
    background: var(--primary-color);
    color: var(--text-light);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.pricing-button.primary {
    background: linear-gradient(135deg, var(--primary-color), #764ba2);
    color: var(--text-light);
    border: none;
}

.pricing-button.primary:hover {
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    color: var(--text-light);
    padding: var(--space-xxl) 0 var(--space-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xxl);
    margin-bottom: var(--space-xxl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 24px;
    font-weight: 700;
    color: var(--text-light);
    margin-bottom: var(--space-lg);
}

.footer-logo i {
    font-size: 28px;
    color: var(--primary-color);
}

.footer-desc {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin: 0;
}

.footer-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: var(--space-lg);
}

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

.footer-links li {
    margin-bottom: var(--space-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color var(--transition-normal);
}

.footer-links a:hover {
    color: var(--text-light);
}

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

.contact-info li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    color: rgba(255, 255, 255, 0.7);
}

.contact-info i {
    color: var(--primary-color);
    width: 20px;
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 18px;
    transition: all var(--transition-normal);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

.footer-legal {
    display: flex;
    gap: var(--space-md);
}

.footer-legal a {
    color: rgba