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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo h1 {
    color: #FF6B6B;
    font-size: 24px;
    font-weight: 600;
}

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

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

.nav-links a:hover {
    color: #FF6B6B;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: #333;
    border-radius: 2px;
}

/* Hero区域 */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #FFE4E1 0%, #FFF5F5 50%, #FFF0F0 100%);
}

.hero .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-content h2 {
    font-size: 42px;
    color: #333;
    margin-bottom: 15px;
}

.tagline {
    font-size: 24px;
    color: #FF6B6B;
    font-weight: 600;
    margin-bottom: 20px;
}

.description {
    font-size: 16px;
    color: #666;
    margin-bottom: 30px;
    max-width: 500px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #FF6B6B 0%, #FF8E8E 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid #FF6B6B;
    color: #FF6B6B;
}

.btn-secondary:hover {
    background: #FF6B6B;
    color: white;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
}

.illustration svg {
    width: 400px;
    height: 300px;
}

/* 产品服务 */
.products {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    color: #333;
    margin-bottom: 15px;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 50px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.product-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
    text-align: center;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
}

.product-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    background: linear-gradient(135deg, #FFF0F0 0%, #FFE4E1 100%);
}

.product-icon svg {
    width: 50px;
    height: 50px;
}

.product-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.product-card p {
    color: #666;
    line-height: 1.8;
}

/* 核心优势 */
.features {
    padding: 80px 0;
    background: #FAFAFA;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.feature-number {
    font-size: 48px;
    font-weight: 700;
    color: #FFE4E1;
    line-height: 1;
}

.feature-content h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: #333;
}

.feature-content p {
    color: #666;
}

/* 关于我们 */
.about {
    padding: 80px 0;
}

.about .container {
    display: flex;
    gap: 50px;
    align-items: center;
}

.about-content {
    flex: 1;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.about-content p {
    color: #666;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 40px;
    font-weight: 700;
    color: #FF6B6B;
}

.stat-label {
    color: #666;
    font-size: 14px;
}

.about-image svg {
    width: 400px;
    height: 300px;
}

/* 联系我们 */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #FFF5F5 0%, #FFF 100%);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 50px;
    flex-wrap: nowrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.contact-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.contact-icon svg {
    width: 24px;
    height: 24px;
}

.contact-item h4 {
    margin-bottom: 5px;
    color: #333;
}

.contact-item p {
    color: #666;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #E0E0E0;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #FF6B6B;
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    text-align: center;
}

/* 页脚 */
.footer {
    background: #2D3436;
    color: white;
    padding: 50px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-brand h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #FF6B6B;
}

.footer-brand p {
    color: #B2BEC3;
}

.footer-links h4,
.footer-contact h4 {
    margin-bottom: 15px;
    color: #FFF;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #B2BEC3;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #FF6B6B;
}

.footer-contact p {
    color: #B2BEC3;
    margin-bottom: 10px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #4A4A4A;
    color: #636E72;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero .container,
    .about .container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content h2 {
        font-size: 32px;
    }

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

    .illustration svg,
    .about-image svg {
        width: 300px;
        height: 250px;
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-stats {
        justify-content: center;
    }

    .contact-info {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 26px;
    }

    .tagline {
        font-size: 20px;
    }

    .illustration svg,
    .about-image svg {
        width: 250px;
        height: 200px;
    }

    .contact-form {
        padding: 25px;
    }
}