/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2c7a7b;
    --secondary-color: #38b2ac;
    --accent-color: #4fd1c7;
    --text-dark: #2d3748;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    flex-wrap: wrap;
    gap: 20px;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 5px;
    color: white;
}

.logo .tagline {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 300;
}

.contact-info {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    font-size: 14px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-item .icon {
    font-size: 18px;
}

.phone-link {
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s;
}

.phone-link:hover {
    opacity: 0.8;
}

/* Navigation */
.main-nav {
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.main-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
}

.main-nav li {
    flex: 1;
    min-width: 120px;
}

.main-nav a {
    display: block;
    padding: 15px 20px;
    color: white;
    text-decoration: none;
    text-align: center;
    transition: background-color 0.3s;
    font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #e0f2f1 0%, #b2dfdb 100%);
    padding: 80px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.hero-subtitle {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

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

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 500;
}

.feature-icon {
    font-size: 24px;
}

/* Content Sections */
.content-section {
    padding: 80px 0;
}

.alt-bg {
    background-color: var(--bg-light);
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

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

.content-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.content-card h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.content-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Comparison Table */
.comparison-table {
    margin-top: 40px;
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    box-shadow: var(--shadow);
    border-radius: 10px;
    overflow: hidden;
}

.comparison-table th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 20px;
    text-align: left;
    font-weight: 600;
    font-size: 18px;
}

.comparison-table td {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-dark);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.comparison-table tr:nth-child(even) {
    background-color: var(--bg-light);
}

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

.pricing-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.pricing-card h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.price-range {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.pricing-card p {
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.8;
}

.price-features {
    list-style: none;
    text-align: left;
    margin-top: 25px;
}

.price-features li {
    padding: 10px 0;
    color: var(--text-dark);
    font-size: 16px;
}

.pricing-note {
    text-align: center;
    color: var(--text-light);
    font-size: 14px;
    margin-top: 30px;
    font-style: italic;
}

/* Gifts Section */
.gifts-content {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.gifts-content > p {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 25px;
    text-align: center;
}

.gifts-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 30px 0;
}

.gifts-list li {
    padding: 15px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 500;
}

.gifts-note {
    text-align: center;
    color: var(--text-light);
    font-size: 14px;
    margin-top: 25px;
    font-style: italic;
}

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

.contact-card {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.contact-card h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 600;
}

.contact-details p {
    margin-bottom: 15px;
    color: var(--text-dark);
    line-height: 1.8;
}

.contact-details a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.contact-details a:hover {
    color: var(--primary-color);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #1a4d4e 0%, #2c7a7b 100%);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--accent-color);
    font-weight: 600;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 10px;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    margin-bottom: 5px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        text-align: center;
    }

    .contact-info {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }

    .main-nav ul {
        flex-direction: column;
    }

    .main-nav li {
        width: 100%;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-description {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .content-grid,
    .pricing-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .hero-features {
        flex-direction: column;
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 50px 0;
    }

    .hero-title {
        font-size: 26px;
    }

    .content-section {
        padding: 50px 0;
    }

    .content-card,
    .pricing-card,
    .contact-card {
        padding: 25px;
    }
}

/* Accessibility */
a:focus,
button:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .header,
    .footer {
        background: white;
        color: black;
    }
    
    .main-nav {
        display: none;
    }
}