/* ============================================
   前台首页样式
   ============================================ */

/* Hero 区域 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 8s ease-in-out infinite;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    top: -200px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, #60a5fa 0%, #93c5fd 100%);
    bottom: -100px;
    left: -100px;
    animation-delay: -2s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #93c5fd 0%, #dbeafe 100%);
    top: 50%;
    left: 30%;
    animation-delay: -4s;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    animation: fadeInUp 1s ease;
}

.hero-badge {
    margin-bottom: 24px;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.8;
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

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

.hero-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.hero-stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

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

/* Hero 视觉区域 */
.hero-visual {
    position: relative;
    animation: fadeInRight 1s ease 0.3s both;
}

.hero-dashboard {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.dashboard-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
}

.dashboard-dots {
    display: flex;
    gap: 6px;
}

.dashboard-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dashboard-dots span:nth-child(1) { background: #ef4444; }
.dashboard-dots span:nth-child(2) { background: #f59e0b; }
.dashboard-dots span:nth-child(3) { background: #10b981; }

.dashboard-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.dashboard-content {
    display: flex;
    height: 320px;
}

.dashboard-sidebar {
    width: 60px;
    background: var(--bg-secondary);
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.dashboard-menu-item {
    width: 36px;
    height: 36px;
    border-radius: var(--radius);
    background: var(--bg-tertiary);
    transition: all var(--transition);
}

.dashboard-menu-item.active {
    background: var(--primary);
}

.dashboard-main {
    flex: 1;
    padding: 20px;
}

.dashboard-card {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 16px;
}

.dashboard-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.dashboard-card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.dashboard-status {
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.dashboard-status.online {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.dashboard-chart {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 80px;
}

.chart-bar {
    flex: 1;
    background: var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    animation: growUp 1s ease both;
}

.chart-bar.active {
    background: var(--primary-gradient);
}

@keyframes growUp {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

.dashboard-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.dashboard-stat-item {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 12px;
}

.dashboard-stat-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.dashboard-stat-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

/* 浮动卡片 */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 4s ease-in-out infinite;
}

.card-1 {
    top: 20px;
    right: -20px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 80px;
    left: -30px;
    animation-delay: -1s;
}

.card-3 {
    bottom: 20px;
    right: 20px;
    animation-delay: -2s;
}

.floating-icon {
    width: 44px;
    height: 44px;
    background: var(--primary-gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.floating-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.floating-desc {
    font-size: 12px;
    color: var(--text-muted);
}

/* 通用区域样式 */
section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

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

/* 功能特性 */
.features {
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition);
    border: 1px solid transparent;
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-gradient);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    transition: all var(--transition);
}

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

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 价格方案 */
.pricing {
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    position: relative;
    border: 2px solid transparent;
}

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

.pricing-card.popular {
    border-color: var(--primary);
    transform: scale(1.05);
}

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

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 16px;
    background: var(--primary-gradient);
    color: white;
    font-size: 12px;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.pricing-header {
    text-align: center;
    margin-bottom: 24px;
}

.pricing-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.pricing-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

.pricing-price {
    text-align: center;
    margin-bottom: 32px;
}

.pricing-currency {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    vertical-align: top;
}

.pricing-amount {
    font-size: 56px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

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

.pricing-features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 15px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

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

.pricing-check {
    width: 20px;
    height: 20px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
}

/* 客户展示 */
.showcase {
    background: var(--bg-primary);
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

.showcase-item {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
    filter: grayscale(100%);
    opacity: 0.6;
}

.showcase-item:hover {
    filter: grayscale(0%);
    opacity: 1;
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.showcase-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-secondary);
}

/* 常见问题 */
.faq {
    background: var(--bg-secondary);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow);
}

.faq-item.active {
    box-shadow: var(--shadow-lg);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition);
}

.faq-question:hover {
    background: var(--bg-secondary);
}

.faq-icon {
    width: 32px;
    height: 32px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--primary);
    transition: all var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    background: var(--primary);
    color: white;
}

.faq-answer {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition);
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    padding: 0 24px 24px;
    max-height: 200px;
}

/* CTA 区域 */
.cta {
    background: var(--primary-gradient);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

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

.cta-title {
    font-size: 48px;
    font-weight: 700;
    color: white;
    margin-bottom: 16px;
}

.cta-desc {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.cta-actions .btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.cta-actions .btn-outline {
    border-color: white;
    color: white;
}

.cta-actions .btn-outline:hover {
    background: white;
    color: var(--primary);
}

/* 页脚 */
.footer {
    background: var(--text-primary);
    color: white;
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.footer-logo .navbar-logo-icon {
    background: var(--primary);
}

.footer-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.social-link {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: white;
}

.footer-title {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition);
}

.footer-links a:hover {
    color: white;
    padding-left: 4px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-visual {
        order: 0;
    }
    
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .pricing-card.popular {
        transform: none;
        order: -1;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-8px);
    }
    
    .showcase-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 36px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }
    
    .hero-stat-divider {
        display: none;
    }
    
    .floating-card {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .cta-title {
        font-size: 32px;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}