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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #334155;
    background-color: #ffffff;
}

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

/* 导航栏样式 */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

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

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #018c89;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #018c89;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background: #334155;
    margin: 3px 0;
    transition: 0.3s;
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, #018c89 0%, #b89076 100%);
    color: white;
    padding: 120px 0 80px;
    margin-top: 70px;
    overflow: hidden;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-primary {
    background: #ffffff;
    color: #018c89;
}

.btn-primary:hover {
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #018c89;
    transform: translateY(-2px);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image svg {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.1));
}

/* 特性区域样式 */
.features {
    padding: 80px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    color: #1e293b;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #018c89, #016b68);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

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

/* CTA区域样式 */
.cta {
    background: linear-gradient(135deg, #b89076 0%, #a67c63 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* 页脚样式 */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #f1f5f9;
}

.footer-section h3 {
    font-size: 1.5rem;
    color: #018c89;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #018c89;
}

.footer-section p {
    color: #cbd5e1;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    border-top: 1px solid #334155;
    padding-top: 2rem;
    text-align: center;
    color: #94a3b8;
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        justify-content: center;
    }

    /* 页面标题响应式 */
    .page-header h1 {
        font-size: 2.5rem;
    }

    .page-header p {
        font-size: 1.1rem;
    }

    /* 产品页面响应式 */
    .products-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .detail-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .detail-content.reverse {
        direction: ltr;
    }

    .detail-text h2 {
        font-size: 2rem;
    }

    /* 定价页面响应式 */
    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card.featured {
        transform: none;
    }

    .pricing-card.featured:hover {
        transform: translateY(-10px);
    }

    /* 联系页面响应式 */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .map-container {
        grid-template-columns: 1fr;
    }

    /* 集成优势响应式 */
    .integration-content {
        grid-template-columns: 1fr;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }
}

@media screen and (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .feature-card {
        padding: 1.5rem;
    }

    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .hero-container {
        padding: 0 15px;
    }
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, #018c89 0%, #b89076 100%);
    color: white;
    padding: 120px 0 80px;
    margin-top: 70px;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-header p {
    font-size: 1.25rem;
    opacity: 0.9;
}

/* 产品页面样式 */
.products-overview {
    padding: 80px 0;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.product-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e2e8f0;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.product-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #018c89, #016b68);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: white;
}

.product-card h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.product-card > p {
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    padding: 0.5rem 0;
    color: #475569;
    border-bottom: 1px solid #f1f5f9;
}

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

/* 产品详情样式 */
.product-details {
    padding: 80px 0;
}

.product-details.alt {
    background: #f8fafc;
}

.detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.detail-content.reverse {
    direction: rtl;
}

.detail-content.reverse > * {
    direction: ltr;
}

.detail-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1e293b;
}

.detail-subtitle {
    font-size: 1.25rem;
    color: #64748b;
    margin-bottom: 2rem;
}

.feature-list {
    space-y: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.feature-icon-small {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #018c89, #016b68);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.feature-item p {
    color: #64748b;
    line-height: 1.6;
}

/* 集成优势样式 */
.integration {
    padding: 80px 0;
    background: #f8fafc;
}

.integration-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.integration-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.integration-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.integration-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #018c89, #016b68);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.integration-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

/* 定价页面样式 */
.pricing-plans {
    padding: 80px 0;
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.toggle-label {
    font-weight: 500;
    color: #64748b;
}

.discount {
    background: #b89076;
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e1;
    transition: 0.4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: #018c89;
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid #e2e8f0;
    position: relative;
}

.pricing-card.featured {
    border-color: #018c89;
    transform: scale(1.05);
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

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

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: #018c89;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
}

.plan-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.plan-header p {
    color: #64748b;
    margin-bottom: 2rem;
}

.plan-price {
    margin-bottom: 2rem;
}

.currency {
    font-size: 1.5rem;
    color: #64748b;
    vertical-align: top;
}

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

.period {
    font-size: 1rem;
    color: #64748b;
}

.plan-features {
    list-style: none;
    margin-bottom: 2rem;
}

.plan-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    border-bottom: 1px solid #f1f5f9;
}

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

.check {
    color: #018c89;
    font-weight: bold;
}

.cross {
    color: #ef4444;
    font-weight: bold;
}

.plan-btn {
    width: 100%;
    text-align: center;
    padding: 1rem;
}

/* 功能对比表样式 */
.feature-comparison {
    padding: 80px 0;
    background: #f8fafc;
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid #e2e8f0;
}

.comparison-table th {
    background: #f8fafc;
    font-weight: 600;
    color: #1e293b;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
}

/* FAQ样式 */
.faq {
    padding: 80px 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.faq-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.faq-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.faq-item p {
    color: #64748b;
    line-height: 1.6;
}

/* 联系页面样式 */
.contact-section {
    padding: 80px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info h2,
.contact-form h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

.contact-info > p {
    color: #64748b;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.contact-item {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #018c89, #016b68);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.contact-details p {
    color: #64748b;
    margin-bottom: 0.25rem;
}

/* 表单样式 */
.contact-form {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #374151;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #018c89;
    box-shadow: 0 0 0 3px rgba(1, 140, 137, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 服务优势样式 */
.service-advantages {
    padding: 80px 0;
    background: #f8fafc;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-item {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #b89076, #a67c63);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
}

.advantage-item h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

/* 地图样式 */
.map-section {
    padding: 80px 0;
}

.map-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    align-items: start;
}

.map-placeholder {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.map-info {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
}

.map-info h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1e293b;
}

.map-info ul {
    list-style: none;
}

.map-info li {
    padding: 0.5rem 0;
    color: #64748b;
    border-bottom: 1px solid #f1f5f9;
}

.map-info li:last-child {
    border-bottom: none;
}

/* CTA按钮组 */
.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 3D立方体动画 */
.animation-container {
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1200px;
    perspective-origin: center center;
}

.cube-container {
    position: relative;
    width: 200px;
    height: 200px;
    transform-style: preserve-3d;
    animation: rotateCube 20s infinite linear;
    will-change: transform;
    backface-visibility: hidden;
}

.cube {
    position: relative;
    width: 200px;
    height: 200px;
    transform-style: preserve-3d;
    will-change: transform;
}

.face {
    position: absolute;
    width: 200px;
    height: 200px;
    background: rgba(1, 140, 137, 0.3);
    border: 2px solid #018c89;
    backdrop-filter: blur(10px);
    box-shadow: inset 0 0 20px rgba(1, 140, 137, 0.2);
    will-change: transform;
    backface-visibility: hidden;
}

.face.front {
    background: rgba(1, 140, 137, 0.4);
    transform: rotateY(0deg) translate3d(0, 0, 100px);
}

.face.back {
    background: rgba(184, 144, 118, 0.4);
    transform: rotateY(180deg) translate3d(0, 0, 100px);
}

.face.right {
    background: rgba(1, 140, 137, 0.3);
    transform: rotateY(90deg) translate3d(0, 0, 100px);
}

.face.left {
    background: rgba(184, 144, 118, 0.3);
    transform: rotateY(-90deg) translate3d(0, 0, 100px);
}

.face.top {
    background: rgba(1, 140, 137, 0.5);
    transform: rotateX(90deg) translate3d(0, 0, 100px);
}

.face.bottom {
    background: rgba(184, 144, 118, 0.5);
    transform: rotateX(-90deg) translate3d(0, 0, 100px);
}

/* 粒子动画 */
.particles {
    position: absolute;
    width: 200px;
    height: 200px;
    top: 0;
    left: 0;
    pointer-events: none;
    transform-style: preserve-3d;
    will-change: transform;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: #b89076;
    border-radius: 50%;
    opacity: 1;
    box-shadow: 0 0 15px rgba(184, 144, 118, 0.8);
    z-index: 10;
    will-change: transform, opacity;
    backface-visibility: hidden;
}

.particle:nth-child(odd) {
    background: #018c89;
    box-shadow: 0 0 15px rgba(1, 140, 137, 0.8);
}

.particle:nth-child(even) {
    background: #b89076;
    box-shadow: 0 0 15px rgba(184, 144, 118, 0.8);
}

.particle:nth-child(1) {
    animation: wave1 3s infinite ease-in-out;
    left: 20%;
    top: 30%;
}

.particle:nth-child(2) {
    animation: wave2 3.5s infinite ease-in-out;
    left: 80%;
    top: 20%;
}

.particle:nth-child(3) {
    animation: wave3 4s infinite ease-in-out;
    left: 60%;
    top: 70%;
}

.particle:nth-child(4) {
    animation: wave1 2.8s infinite ease-in-out;
    left: 40%;
    top: 80%;
}

.particle:nth-child(5) {
    animation: wave2 3.2s infinite ease-in-out;
    left: 10%;
    top: 60%;
}

.particle:nth-child(6) {
    animation: wave3 3.8s infinite ease-in-out;
    left: 90%;
    top: 50%;
}

.particle:nth-child(7) {
    animation: wave1 4.2s infinite ease-in-out;
    left: 30%;
    top: 10%;
}

.particle:nth-child(8) {
    animation: wave2 2.5s infinite ease-in-out;
    left: 70%;
    top: 90%;
}

.particle:nth-child(9) {
    animation: wave3 3.7s infinite ease-in-out;
    left: 50%;
    top: 40%;
}

.particle:nth-child(10) {
    animation: wave1 3.3s infinite ease-in-out;
    left: 15%;
    top: 85%;
}

.particle:nth-child(11) {
    animation: wave2 4.1s infinite ease-in-out;
    left: 85%;
    top: 15%;
}

.particle:nth-child(12) {
    animation: wave3 2.9s infinite ease-in-out;
    left: 25%;
    top: 55%;
}

.particle:nth-child(13) {
    animation: wave1 3.6s infinite ease-in-out;
    left: 75%;
    top: 35%;
}

.particle:nth-child(14) {
    animation: wave2 4.3s infinite ease-in-out;
    left: 35%;
    top: 75%;
}

.particle:nth-child(15) {
    animation: wave3 2.7s infinite ease-in-out;
    left: 65%;
    top: 25%;
}

.particle:nth-child(16) {
    animation: wave1 3.9s infinite ease-in-out;
    left: 45%;
    top: 65%;
}

.particle:nth-child(17) {
    animation: wave2 3.1s infinite ease-in-out;
    left: 55%;
    top: 45%;
}

.particle:nth-child(18) {
    animation: wave3 4.4s infinite ease-in-out;
    left: 5%;
    top: 95%;
}

.particle:nth-child(19) {
    animation: wave1 2.6s infinite ease-in-out;
    left: 95%;
    top: 5%;
}

.particle:nth-child(20) {
    animation: wave2 3.4s infinite ease-in-out;
    left: 50%;
    top: 50%;
}

/* 动画关键帧 */
@keyframes rotateCube {
    0% {
        transform: rotate3d(1, 1, 1, 0deg);
    }
    100% {
        transform: rotate3d(1, 1, 1, 360deg);
    }
}

@keyframes wave1 {
    0%, 100% {
        transform: translate3d(0px, 0px, 0px) scale(1);
        opacity: 0.8;
    }
    50% {
        transform: translate3d(-20px, -30px, 40px) scale(1.2);
        opacity: 1;
    }
}

@keyframes wave2 {
    0%, 100% {
        transform: translate3d(0px, 0px, 0px) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate3d(30px, 25px, -35px) scale(1.3);
        opacity: 1;
    }
}

@keyframes wave3 {
    0%, 100% {
        transform: translate3d(0px, 0px, 0px) scale(1);
        opacity: 0.9;
    }
    50% {
        transform: translate3d(-25px, 35px, 30px) scale(0.8);
        opacity: 0.6;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card {
    animation: fadeInUp 0.6s ease-out;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }