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

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

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    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;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #f39c12;
    background: transparent;
    border: none;
    padding: 0;
    border-radius: 0;
    transition: all 0.3s ease;
}

.nav-logo i {
    margin-right: 0.5rem;
    font-size: 1.8rem;
    color: #e67e22;
    background: transparent;
    padding: 0;
}

.nav-logo:hover {
    color: #d68910;
}

.nav-logo:hover i {
    color: #d68910;
}

/* Logo图片样式 */
.logo-image {
    width: 32px;
    height: 32px;
    margin-right: 0.5rem;
    object-fit: contain;
    background: transparent;
    border: none;
    filter: brightness(1.05) contrast(1.1);
    opacity: 0.95;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #f39c12;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* 主页面 */
.hero {
    min-height: 70vh;
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 50%, #f8c471 100%);
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::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 1000 1000"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.cta-button {
    background: linear-gradient(45deg, #e67e22, #f39c12);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(243, 156, 18, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(243, 156, 18, 0.4);
}

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 2rem;
    width: 180px;
    color: white;
    text-align: center;
    position: absolute;
    animation: float 6s ease-in-out infinite;
}

.floating-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #ffd700;
}

.floating-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.card-2 {
    top: 0px;
    right: 20px;
    animation-delay: -3s;
}
.card-3 {
    top: 260px;
    left: 0px;
    animation-delay: -3s;
}
.card-4 {
    top: 260px;
    right: 20px;
    animation-delay: -3s;
}
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* 问题展示区 */
.problems {
    padding: 6rem 0;
    background: #f8fafc;
}

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

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.problem-item {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.problem-item:hover {
    transform: translateY(-10px);
}

.problem-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.problem-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

.problem-item p {
    color: #64748b;
    font-size: 1rem;
}

/* 解决方案介绍 */
.solution {
    padding: 6rem 0;
    background: white;
}

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

.solution-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 2rem;
}

.solution-intro {
    font-size: 1.2rem;
    color: #64748b;
    line-height: 1.8;
}

.solution-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.robot-illustration {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, #f8c471, #f39c12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 8rem;
    animation: pulse 2s ease-in-out infinite;
}

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

/* 核心功能 */
.features {
    padding: 6rem 0;
    background: #f8fafc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(45deg, #e67e22, #f39c12);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(45deg, #e67e22, #f39c12);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.feature-card p {
    color: #64748b;
    line-height: 1.7;
}

/* 详细功能介绍 */
.detailed-features {
    padding: 6rem 0;
    background: white;
}

.detailed-feature {
    margin-bottom: 4rem;
}

.detailed-content {
    max-width: 1000px;
    margin: 0 auto;
}

.feature-detail-card {
    background: #f8fafc;
    padding: 3rem;
    border-radius: 25px;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.feature-detail-card:hover {
    border-color: #e67e22;
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(243, 156, 18, 0.1);
}

.feature-detail-card h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-detail-card h3 i {
    color: #f39c12;
    font-size: 2.2rem;
}

.feature-list {
    display: grid;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 15px;
    border-left: 4px solid #a855f7;
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 10px 25px rgba(99, 102, 241, 0.1);
}

.feature-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #a855f7, #8b5cf6);
    color: white;
    font-weight: 700;
    font-size: 1rem;
    border-radius: 50%;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 0.5rem;
}

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

.stat-timeframes {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid #e2e8f0;
}

.stat-timeframes h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 1rem;
}

.timeframe-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.badge {
    background: linear-gradient(45deg, #a855f7, #8b5cf6);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, 0.3);
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    color: white;
    text-align: center;
}

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

.cta-content p {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
}

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

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 107, 107, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-3px);
}

/* 联系我们 */
.contact {
    padding: 6rem 0;
    background: white;
}

.contact-content {
    text-align: center;
}

.contact-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 3rem;
}

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

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 1.1rem;
    color: #64748b;
}

.contact-item i {
    color: #8b5cf6;
    font-size: 1.5rem;
}

/* 页脚 */
.footer {
    background: #1e293b;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
.logo-image-container{width: 150px; height: 150px;}
.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: #8b5cf6;
}

.footer-logo i {
    margin-right: 0.5rem;
}

/* 页脚Logo图片样式 */
.footer-logo .logo-image {
    width: 24px;
    height: 24px;
    margin-right: 0.5rem;
    object-fit: contain;
    background: transparent;
    border: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
        word-wrap: break-word;
        margin-bottom: 1.5rem;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }
    
    .cta-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
    
    .hero-visual {
        height: 250px;
        margin-top: 1rem;
    }
    
    .floating-card {
        position: relative;
        margin: 1rem auto;
        width: 200px;
        padding: 1.5rem;
    }
    
    .card-2 {
        top: 0;
        right: 0;
    }
    .solution-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding-top: 60px;
        min-height: 50vh;
    }
    
    .hero-container {
        gap: 1.5rem;
        padding: 0 10px;
    }
    
    .hero-title {
        font-size: 1.6rem;
        line-height: 1.4;
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
    }
    
    .hero-description {
        font-size: 0.9rem;
        line-height: 1.5;
    }
    
    .cta-button {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .hero-visual {
        height: 200px;
    }
    
    .floating-card {
        width: 180px;
        padding: 1.2rem;
        margin: 0.5rem auto;
    }
    
    .floating-card i {
        font-size: 2rem;
    }
    
    .floating-card h3 {
        font-size: 1rem;
    }
    
    .floating-card p {
        font-size: 0.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .solution-text h2 {
        font-size: 1.8rem;
    }
}