:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --text-color: #1f2937;
    --light-bg: #f3f4f6;
    --heading-color: #111827;
    --text-secondary: #4b5563;
    --spacing-section: 6rem;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-secondary);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    color: var(--heading-color);
    letter-spacing: -0.02em;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

header {
    padding: 1rem 5%;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.logo img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    margin-left: -0.25rem;
}

.blue-text {
    color: var(--primary-color);
}

.nav-links a {
    margin-left: 2rem;
    text-decoration: none;
    color: var(--text-color);
}

.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    transition: background-color 0.3s;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0.01em;
}

.cta-button:hover {
    background: var(--secondary-color);
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 5%;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1469474968028-56623f02e42e');
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.8), rgba(0,0,0,0.4));
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin-right: auto;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.secondary-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: transform 0.3s ease;
}

.secondary-button:hover {
    transform: translateX(5px);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.2);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
}

.features {
    padding: var(--spacing-section) 5%;
    background: var(--light-bg);
}

.features h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.features > p {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
    color: var(--text-secondary);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

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

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

.feature-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 2rem 5%;
    }
    
    .hero-content {
        padding-right: 0;
        margin-bottom: 2rem;
        max-width: 100%;
    }
    
    .nav-links {
        display: none;
    }
    
    .steps-container {
        flex-direction: column;
        padding: 1rem 5%;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        padding: 0 5%;
    }
    
    .contact-container {
        flex-direction: column;
        padding: 0 5%;
    }
} 

.how-it-works {
    padding: var(--spacing-section) 5%;
    background: white;
}

.how-it-works h2 {
    text-align: center;
    margin-bottom: 3rem;
}

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

.step {
    flex: 1;
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    max-width: 350px;
    margin: 0 auto;
}

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

.step-icon {
    font-size: 5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    display: block;
    opacity: 0.9;
}

.step h3 {
    color: var(--heading-color);
    margin-bottom: 1rem;
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.pricing {
    padding: var(--spacing-section) 5%;
    background: var(--light-bg);
}

.pricing h2 {
    text-align: center;
    margin-bottom: 1rem;
}

.pricing > p {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 0;
}

.pricing-card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem 2rem;
    position: relative;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.05);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.1);
}

.pricing-card.popular {
    border: 2px solid var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(37,99,235,0.15);
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-5px);
}

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

.pricing-header h3 {
    color: var(--heading-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.pricing-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.popular-badge {
    position: absolute;
    top: -12px;
    right: 2rem;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 4px 6px rgba(37,99,235,0.2);
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1rem 0;
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.price::before {
    content: "$";
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
}

.pricing-features li {
    margin-bottom: 1rem;
}

.pricing-features i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

footer {
    background: var(--text-color);
    color: white;
    padding: 4rem 5% 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-section h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
}

/* 补充响应式设计 */
@media (max-width: 768px) {
    .steps-container {
        flex-direction: column;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
} 

html {
    scroll-behavior: smooth;
} 

/* 生活方式特色部分 */
.lifestyle-features {
    max-width: 100%;
    margin: 0 auto;
    gap: 2rem;
    padding: 6rem 3%;
    background: white;
}

.lifestyle-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin: 2rem 0;
    margin-bottom: 3rem;
    max-width: 1800px;
    margin-left: auto;
    margin-right: auto;
}

.feature-item {
    position: relative;
    overflow: hidden;
    border-radius: 1rem;
    aspect-ratio: 2/3;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.feature-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.feature-item:hover img {
    transform: scale(1.15);
}

.feature-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 2rem 2rem;
    background: linear-gradient(
        to top,
        rgba(0,0,0,0.95) 0%,
        rgba(0,0,0,0.8) 30%,
        rgba(0,0,0,0.4) 60%,
        transparent 100%
    );
    color: white;
    transform: translateY(0);
    transition: transform 0.3s ease;
}

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

.feature-content h3 {
    color: white;
    margin-bottom: 0.5rem;
    font-size: 1.75rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.feature-content p {
    color: rgba(255,255,255,0.9);
    font-size: 1rem;
    line-height: 1.5;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    max-width: 90%;
}

/* 响应式调整 */
@media (max-width: 1400px) {
    .lifestyle-grid {
        grid-template-columns: repeat(2, 1fr);
        max-width: 1200px;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .lifestyle-features {
        padding: 4rem 5%;
    }

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

    .feature-item {
        aspect-ratio: 3/2;
    }
} 

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info {
    margin-top: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: rgba(255,255,255,0.9);
}

.contact-item i {
    color: var(--primary-color);
} 

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.cta-container {
    text-align: center;
    margin: 2rem auto 0;
    padding: 2rem;
    background: linear-gradient(to right, rgba(37,99,235,0.05), rgba(30,64,175,0.05));
    border-radius: 1rem;
    max-width: 600px;
    box-shadow: 0 4px 20px rgba(37,99,235,0.08);
    border: 1px solid rgba(37,99,235,0.1);
}

.cta-text {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--heading-color);
}

.guarantee-text {
    margin-top: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    opacity: 0.8;
}

.guarantee-text i {
    color: var(--primary-color);
} 

.offer-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    margin-left: 0.5rem;
}

.limited-offer {
    color: var(--primary-color);
    font-size: 0.9rem;
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    justify-content: center;
}

.limited-offer i {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}