/* 全局样式 */
:root {
    --primary: #00d4ff;
    --primary-dark: #0099cc;
    --secondary: #7c3aed;
    --dark: #0a0e1a;
    --dark-light: #151b2e;
    --dark-lighter: #1e293b;
    --text: #e2e8f0;
    --text-secondary: #94a3b8;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: rgba(255, 255, 255, 0.1);
    --gradient-1: linear-gradient(135deg, #00d4ff, #7c3aed);
    --gradient-2: linear-gradient(135deg, #7c3aed, #00d4ff);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
    background-color: var(--dark);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 文本渐变 */
.text-gradient {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    cursor: pointer;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 区域标题 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 14, 26, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    padding: 15px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(10, 14, 26, 0.95);
}

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

.navbar .logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 24px;
}

.logo-text {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-sub {
    font-size: 14px;
    color: var(--text-secondary);
    padding-left: 10px;
    border-left: 1px solid var(--border);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links .nav-btn {
    background: var(--gradient-1);
    color: white;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 600;
}

.nav-links .nav-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.3);
    color: white;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text);
}

/* 英雄区域 */
.hero {
    position: relative;
    padding: 180px 0 140px;
    background: var(--dark);
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(0, 212, 255, 0.1);
    padding: 10px 20px;
    border-radius: 30px;
    margin-bottom: 30px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}

.badge-dot {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}

.hero-title {
    font-size: 60px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 30px;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 5px;
}

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

.hero-image {
    flex: 1;
    position: relative;
}

.dashboard-mockup {
    background: var(--dark-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: perspective(1000px) rotateY(-10deg);
    transition: var(--transition);
}

.dashboard-mockup:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.mockup-header {
    background: var(--dark-lighter);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid var(--border);
}

.mockup-dots {
    display: flex;
    gap: 8px;
}

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

.mockup-dots span:nth-child(1) {
    background: #ef4444;
}

.mockup-dots span:nth-child(2) {
    background: #f59e0b;
}

.mockup-dots span:nth-child(3) {
    background: #10b981;
}

.mockup-title {
    font-weight: 600;
    font-size: 14px;
}

.mockup-body {
    display: flex;
    height: 300px;
}

.mockup-sidebar {
    width: 80px;
    background: var(--dark-lighter);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-right: 1px solid var(--border);
}

.sidebar-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 10px;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}

.sidebar-item.active {
    color: var(--primary);
    background: rgba(0, 212, 255, 0.1);
    border-right: 2px solid var(--primary);
}

.sidebar-item i {
    font-size: 18px;
}

.mockup-content {
    flex: 1;
    padding: 20px;
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.content-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.status-badge {
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-badge.online {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.content-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.mini-stat {
    flex: 1;
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.mini-stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.mini-stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

.content-chart {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    height: 100px;
    padding-top: 20px;
}

.chart-bar {
    flex: 1;
    background: var(--gradient-1);
    border-radius: 5px 5px 0 0;
    min-height: 20px;
    animation: chartGrow 1s ease-out;
}

@keyframes chartGrow {
    from {
        height: 0;
    }
    to {
        height: 100%;
    }
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    z-index: 0;
    pointer-events: none;
    max-height: 150px;
    overflow: hidden;
}
.hero-wave svg {
    display: block;
    width: 100%;
    height: auto;
}

/* 功能区域 */
.features {
    padding: 100px 0;
    background: var(--dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--dark-light);
    border-radius: var(--radius);
    padding: 30px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: rgba(0, 212, 255, 0.3);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--primary);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* 工作原理 */
.how-it-works {
    padding: 100px 0;
    background: var(--dark-light);
}

.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.step-card {
    background: var(--dark);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    flex: 1;
    max-width: 250px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
}

.step-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: rgba(0, 212, 255, 0.3);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    color: white;
}

.step-icon {
    width: 80px;
    height: 80px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--primary);
    margin: 20px auto 20px;
}

.step-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.step-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

.step-connector {
    width: 50px;
    height: 2px;
    background: var(--gradient-1);
    position: relative;
}

.step-connector::before,
.step-connector::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    transform: translateY(-50%);
}

.step-connector::before {
    left: 0;
}

.step-connector::after {
    right: 0;
}

/* 价格区域 */
.pricing {
    padding: 100px 0;
    background: var(--dark);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.pricing-card {
    background: var(--dark-light);
    border-radius: var(--radius);
    padding: 40px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.pricing-card.popular {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--gradient-1);
    color: white;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 0 0 0 var(--radius);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
}

.pricing-price {
    margin-bottom: 15px;
}

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

.price-amount {
    font-size: 60px;
    font-weight: 800;
    color: var(--primary);
}

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

.pricing-desc {
    color: var(--text-secondary);
}

.pricing-features {
    margin-bottom: 30px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border);
}

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

.feature-item i {
    color: var(--success);
}

.feature-item span {
    color: var(--text);
}

/* 客户评价 */
.testimonials {
    padding: 100px 0;
    background: var(--dark-light);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--dark);
    border-radius: var(--radius);
    padding: 30px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
    border-color: rgba(0, 212, 255, 0.3);
}

.testimonial-rating {
    margin-bottom: 20px;
    color: #f59e0b;
}

.testimonial-text {
    color: var(--text-secondary);
    font-style: italic;
    margin-bottom: 20px;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    color: white;
}

.author-name {
    font-weight: 600;
    margin-bottom: 5px;
}

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

/* FAQ区域 */
.faq {
    padding: 100px 0;
    background: var(--dark);
}

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

.faq-item {
    background: var(--dark-light);
    border-radius: var(--radius);
    margin-bottom: 15px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.faq-question {
    padding: 20px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(0, 212, 255, 0.05);
}

.faq-question span {
    font-weight: 600;
    font-size: 16px;
}

.faq-question i {
    color: var(--primary);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    padding: 0 30px 20px;
    max-height: 500px;
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.text-link {
    color: var(--primary);
    transition: var(--transition);
}

.text-link:hover {
    text-decoration: underline;
}

/* CTA区域 */
.cta {
    padding: 100px 0;
    background: var(--dark-light);
}

.cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 页脚 */
.footer {
    background: var(--dark);
    padding: 80px 0 30px;
    border-top: 1px solid var(--border);
}

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

.footer-about p {
    color: var(--text-secondary);
    margin: 20px 0;
    line-height: 1.8;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--dark-lighter);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-5px);
}

.footer-links h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text);
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 15px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding-top: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--text-secondary);
    font-size: 14px;
}

/* 滚动动画 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* 粒子效果 */
.particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 15s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(0) translateX(0);
    }
    25% {
        transform: translateY(-100px) translateX(100px);
    }
    50% {
        transform: translateY(-200px) translateX(0);
    }
    75% {
        transform: translateY(-100px) translateX(-100px);
    }
    100% {
        transform: translateY(0) translateX(0);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero .container {
        flex-direction: column;
    }
    
    .hero-content {
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .steps-container {
        flex-direction: column;
    }
    
    .step-connector {
        width: 2px;
        height: 50px;
    }
    
    .step-connector::before,
    .step-connector::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 140px 0 100px;
    }
    
    .hero-wave {
        max-height: 100px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .features-grid,
    .pricing-grid,
    .testimonials-slider {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 16px;
    }
}