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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e0e0e0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo {
    height: 40px;
    width: auto;
    filter: brightness(0) saturate(100%) invert(25%) sepia(89%) saturate(2476%) hue-rotate(216deg) brightness(92%) contrast(91%);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
}

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

.nav-menu a {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #2563eb;
}

/* CTA按钮样式 */
.cta-button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.cta-button.primary {
    background: #2563eb;
    color: white;
}

.cta-button.primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.cta-button.secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

.cta-button.tertiary {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: 2px solid rgba(16, 185, 129, 0.3);
}

.cta-button.tertiary:hover {
    background: linear-gradient(135deg, #059669, #047857);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.cta-button.large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.cta-button.x-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.25rem;
}

/* 英雄区样式 */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7);
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.6) 100%
    );
    z-index: 1;
}

/* 轮播控制按钮 */
.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 2;
}

.slider-prev,
.slider-next {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.slider-prev:hover,
.slider-next:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

/* 轮播指示点 */
.slider-dots {
    position: absolute;
    bottom: 2rem;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
    z-index: 2;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: white;
    transform: scale(1.2);
}

.hero-content {
    max-width: 800px;
    padding: 0 2rem;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero h3 {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    color: #f0f0f0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    opacity: 0.95;
}

/* 请找到你原来的 .hero-buttons 样式 */
.hero-buttons {
    display: flex;
    gap: 1.5rem; /* 增加了按钮之间的间距 */
    justify-content: center;
    align-items: center; /* 垂直居中对齐 */
    flex-wrap: wrap; /* 保持换行能力 */
    margin-top: 3rem; /* 增加了按钮区与上方文字的距离 */
}

/* 通用区块样式 */
section {
    padding: 5rem 0;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    color: #1f2937;
}

h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #374151;
}

h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #4b5563;
}

/* 行业痛点区样式 */
.pain-points {
    background: #f8fafc;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

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

.pain-point:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.pain-point .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.solution-title {
    text-align: center;
    color: #2563eb;
    font-weight: 600;
}

/* 核心创新功能区样式 */
.innovations {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.innovations h2 {
    color: white;
}

.innovation p {
    color: #333;
}

.innovations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    justify-items: center;
}

.innovations-grid .innovation:nth-child(3) {
    grid-column: 1 / 2;
}

.innovations-grid .innovation:nth-child(4) {
    grid-column: 2 / 3;
}

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

.innovation:hover {
    transform: translateY(-5px);
}

.innovation .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.innovation-img {
    width: 100%;
    max-width: 200px;
    height: auto;
    margin: 1rem 0;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

/* 技术架构区样式 */
.architecture {
    background: #f8fafc;
}

.architecture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
}

.wing {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.wing:hover {
    transform: translateY(-5px);
}

.wing-header {
    text-align: center;
    margin-bottom: 2rem;
}

.wing-header h3 {
    color: #2563eb;
    font-size: 1.5rem;
}

.wing-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.wing-advantages {
    list-style: none;
    margin-top: 1.5rem;
}

.wing-advantages li {
    padding: 0.5rem 0;
    color: #059669;
    font-weight: 500;
}

/* 社会认可区样式 */
.recognition {
    text-align: center;
}

.team-photo {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 12px;
    margin: 2rem 0;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.partner-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    margin: 3rem 0;
}

.partner-logos img {
    height: 60px;
    width: auto;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.partner-logos img:hover {
    opacity: 1;
}

.testimonial {
    max-width: 800px;
    margin: 3rem auto 0;
    padding: 2rem;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #2563eb;
}

.testimonial blockquote {
    font-size: 1.25rem;
    font-style: italic;
    color: #4b5563;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.testimonial cite {
    font-weight: 600;
    color: #2563eb;
}

/* 最终行动号召区样式 */
.final-cta {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    text-align: center;
}

.final-cta h3 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.final-cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* 页脚样式 */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.contact-info {
    text-align: center;
    margin-bottom: 1rem;
    color: #9ca3af;
}

.copyright {
    text-align: center;
    color: #6b7280;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* 备案信息样式 */
.beian-info {
    text-align: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #374151;
}

.beian-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.beian-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.beian-link:hover {
    color: #d1d5db;
}

.beian-icon {
    width: 16px;
    height: 16px;
    filter: brightness(0.8);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h3 {
        font-size: 1.25rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .architecture-grid {
        grid-template-columns: 1fr;
    }
    
    .partner-logos {
        gap: 2rem;
    }
    
    .partner-logos img {
        height: 40px;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    section {
        padding: 3rem 0;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero h3 {
        font-size: 1.1rem;
    }
    
    .pain-points-grid,
    .innovations-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
}