/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 导航栏 */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 10px 15px;
    border-radius: 5px;
}

.nav-menu a:hover {
    background-color: rgba(255,255,255,0.1);
    color: #fff;
}

/* 主横幅 */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 80px;
    height: 80px;
    top: 30%;
    right: 30%;
    animation-delay: 4s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    bottom: 20%;
    left: 20%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-logo {
    width: 120px;
    height: 120px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 4rem;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.feature-badge {
    background: rgba(255,255,255,0.2);
    padding: 15px 25px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    text-decoration: none;
    color: white;
    transition: all 0.3s ease;
}

.feature-badge:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    color: white;
    text-decoration: none;
}

.feature-badge i {
    font-size: 1.2rem;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
}

.btn-primary {
    background: white;
    color: #667eea;
    border-color: white;
}

.btn-primary:hover {
    background: transparent;
    color: white;
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

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

.btn-secondary:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* 章节样式 */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.bg-light {
    background-color: #f8f9fa;
}

/* 概览网格 */
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.overview-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.overview-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.overview-card p {
    color: #666;
    line-height: 1.6;
}

/* 功能网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #e9ecef;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

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

.feature-header i {
    font-size: 2rem;
    color: #667eea;
    margin-right: 15px;
}

.feature-header h3 {
    font-size: 1.3rem;
    color: #333;
}

.feature-list {
    list-style: none;
    margin-bottom: 25px;
}

.feature-list li {
    padding: 8px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

.feature-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.feature-link:hover {
    color: #764ba2;
}

/* 架构图样式 */
.architecture-diagram {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-top: 40px;
}

.arch-layer {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    width: 100%;
    max-width: 800px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.arch-layer:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

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

.layer-header i {
    font-size: 2rem;
    color: #667eea;
}

.layer-header h3 {
    font-size: 1.5rem;
    color: #333;
    margin: 0;
}

.arch-arrow {
    font-size: 2rem;
    color: #667eea;
    margin: 10px 0;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.frontend-layer {
    border-left: 4px solid #667eea;
}

.backend-layer {
    border-left: 4px solid #764ba2;
}

.data-layer {
    border-left: 4px solid #28a745;
}

.integration-layer {
    border-left: 4px solid #ffc107;
}

.arch-layer {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
}

.arch-layer h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #333;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.tech-stack {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.tech-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 8px;
    transition: background 0.3s ease;
}

.tech-item:hover {
    background: #e9ecef;
}

.tech-item i {
    font-size: 1.2rem;
    color: #667eea;
    width: 20px;
}

/* 场景网格 */
.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.scenario-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scenario-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.scenario-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.5rem;
}

.scenario-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.scenario-card p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.6;
}

.scenario-features {
    list-style: none;
}

.scenario-features li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.scenario-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 联系我们 */
.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    align-items: center;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #333;
}

.contact-info p {
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #666;
}

.contact-item i {
    color: #667eea;
    width: 20px;
}

.contact-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* 页脚 */
.footer {
    background: #333;
    color: white;
    padding: 40px 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}

.footer-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

/* 页面头部样式 */
.page-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.1;
}

.header-content {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.header-icon {
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
}

.header-text h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.header-text p {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
}

/* 功能概览样式 */
.feature-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.overview-item {
    text-align: center;
    padding: 30px 20px;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.overview-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.overview-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
}

.overview-item h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.overview-item p {
    color: #666;
    line-height: 1.6;
}

.card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    border-radius: 10px;
    margin-bottom: 20px;
    position: relative;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.card-image:hover img {
    transform: scale(1.05);
}

.card-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.feature-tag {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
}

.feature-tag i {
    font-size: 0.7rem;
}

/* 流程样式 */
.process-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.process-step {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    max-width: 250px;
    position: relative;
}

.step-number {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 auto 20px;
}

.process-step h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: #333;
}

.process-step p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.process-step ul {
    list-style: none;
    text-align: left;
}

.process-step li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.process-step li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

.process-arrow {
    font-size: 2rem;
    color: #667eea;
    margin: 0 10px;
}

/* 技术特性样式 */
.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.tech-feature {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.tech-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.tech-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.tech-content p {
    color: #666;
    line-height: 1.6;
}

/* 协同模式样式 */
.collaboration-modes {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.mode-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mode-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.mode-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.mode-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.mode-content p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.mode-features {
    list-style: none;
}

.mode-features li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.mode-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 平台架构样式 */
.platform-architecture {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.platform-layer {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.platform-layer:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.layer-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.layer-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.layer-content p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.layer-features {
    list-style: none;
}

.layer-features li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.layer-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 平台特性样式 */
.platform-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.platform-feature {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.platform-feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.platform-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.platform-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.platform-content p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.platform-features-list {
    list-style: none;
}

.platform-features-list li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.platform-features-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 扩展能力样式 */
.extension-capabilities {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.capability-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.capability-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.capability-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.capability-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.capability-content p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.capability-features {
    list-style: none;
}

.capability-features li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.capability-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 扩展场景样式 */
.extension-scenarios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.scenario-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.scenario-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.scenario-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.scenario-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #333;
}

.scenario-content p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.scenario-features {
    list-style: none;
}

.scenario-features li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.scenario-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 分析能力样式 */
.analysis-capabilities {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.analysis-scenarios {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

/* 其他特殊样式 */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.metric-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.metric-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.metric-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.metric-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #333;
}

.metric-content p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.metric-details {
    list-style: none;
}

.metric-details li {
    padding: 5px 0;
    color: #666;
    position: relative;
    padding-left: 20px;
}

.metric-details li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* 场景标签样式 */
.scenario-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 15px 0;
}

.scenario-tag {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: transform 0.3s ease;
}

.scenario-tag:hover {
    transform: scale(1.05);
}

.scenario-tag i {
    font-size: 0.7rem;
}

/* 按钮图标样式 */
.btn i {
    margin-right: 8px;
}

/* 可点击卡片样式 */
.clickable-card {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    cursor: pointer;
}

.clickable-card:hover {
    text-decoration: none;
    color: inherit;
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
}

.clickable-card:hover .card-image img {
    transform: scale(1.1);
}

/* 功能详情区域样式 */
.feature-detail-section {
    background: white;
    border-radius: 15px;
    padding: 40px;
    margin: 30px 0;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    border-left: 4px solid #667eea;
    transition: all 0.3s ease;
}

.feature-detail-section:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.feature-detail-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.feature-detail-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-detail-content h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #333;
}

.feature-detail-content p {
    color: #666;
    line-height: 1.6;
    font-size: 1.1rem;
}

.feature-detail-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.detail-feature {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.detail-feature:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
}

.detail-feature i {
    font-size: 1.5rem;
    color: #667eea;
    transition: color 0.3s ease;
}

.detail-feature:hover i {
    color: white;
}

.detail-feature span {
    font-weight: 500;
    font-size: 1rem;
}

/* 高亮动画 */
@keyframes highlight {
    0% { 
        background-color: transparent;
        transform: scale(1);
    }
    50% { 
        background-color: rgba(102, 126, 234, 0.1);
        transform: scale(1.02);
    }
    100% { 
        background-color: transparent;
        transform: scale(1);
    }
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
    transition: all 0.3s ease;
    z-index: 1001;
    position: relative;
}

.mobile-menu-btn:hover {
    color: #f0f0f0;
    transform: scale(1.1);
}

.mobile-menu-btn:active {
    transform: scale(0.95);
}

/* 移动端响应式设计 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        right: 0;
        width: 200px;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 20px 0;
        transition: all 0.3s ease;
        z-index: 1000;
        box-shadow: 0 5px 20px rgba(0,0,0,0.3);
        border-radius: 10px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        display: none;
    }
    
    .nav-menu.mobile-active {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
        display: block !important;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
        z-index: 1001 !important;
    }
    
    .nav-menu li {
        margin: 0;
        padding: 0;
        opacity: 1;
        transform: none;
        transition: background-color 0.3s ease;
    }
    
    .nav-menu.mobile-active li {
        opacity: 1;
        transform: none;
    }
    
    .nav-menu li a {
        display: block;
        font-size: 1rem;
        padding: 12px 20px;
        color: white;
        text-decoration: none;
        transition: background-color 0.3s ease;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .nav-menu li:last-child a {
        border-bottom: none;
    }
    
    .nav-menu li a:hover {
        background: rgba(255,255,255,0.2);
    }
    
    /* 导航栏在移动端的样式调整 */
    .navbar {
        height: 70px;
    }
    
    .nav-container {
        height: 70px;
    }
    
    .nav-logo {
        font-size: 1.2rem;
    }
}

@keyframes slideInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-50px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 移动端菜单背景遮罩 */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* CSS图形元素 */
.hero-graphic {
    position: absolute;
    top: 50%;
    right: 10%;
    transform: translateY(-50%);
    width: 300px;
    height: 300px;
    opacity: 0.1;
    z-index: 0;
}

.hero-graphic::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.hero-graphic::after {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: calc(100% - 40px);
    height: calc(100% - 40px);
    background: linear-gradient(45deg, #764ba2, #667eea);
    border-radius: 50%;
    animation: rotate 15s linear infinite reverse;
}

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

/* 装饰性图标 */
.decorative-icon {
    position: absolute;
    font-size: 3rem;
    color: rgba(255,255,255,0.1);
    animation: float 4s ease-in-out infinite;
}

.decorative-icon:nth-child(1) {
    top: 20%;
    right: 20%;
    animation-delay: 0s;
}

.decorative-icon:nth-child(2) {
    top: 60%;
    right: 10%;
    animation-delay: 1s;
}

.decorative-icon:nth-child(3) {
    top: 40%;
    right: 30%;
    animation-delay: 2s;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .overview-grid,
    .features-grid,
    .architecture-grid,
    .scenarios-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .feature-card,
    .overview-card,
    .scenario-card,
    .arch-layer {
        padding: 20px;
    }
}

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

.feature-card,
.overview-card,
.scenario-card,
.arch-layer {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6a4190 100%);
}