/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-orange: #FF6B35;
    --primary-blue: #48BFE3;
    --bg-light: #F8F9FA;
    --text-dark: #2C3E50;
    --text-gray: #6C757D;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
}

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

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

section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-dark);
}

/* 首屏 Hero 区 */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #48BFE3 0%, #6FDBFF 100%);
    position: relative;
    overflow: hidden;
}

.hero-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle, rgba(255, 107, 53, 0.1) 2px, transparent 2px),
        radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px, 30px 30px;
    background-position: 0 0, 25px 25px;
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
    color: var(--white);
}

.hero-shrimp {
    font-size: 120px;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 30px;
}

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: 40px;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    padding: 18px 40px;
    background: var(--primary-orange);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.cta-button:hover {
    background: #FF5722;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

/* 业务能力介绍 */
.services-section {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service-card:nth-child(odd) {
    border-color: rgba(255, 107, 53, 0.2);
}

.service-card:nth-child(even) {
    border-color: rgba(72, 191, 227, 0.2);
}

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

.service-icon {
    font-size: 60px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

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

/* 领养套餐 */
.packages-section {
    background: var(--bg-light);
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.package-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.package-card.recommended {
    border: 3px solid var(--primary-orange);
    transform: scale(1.05);
}

.package-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--primary-orange);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.package-icon {
    font-size: 60px;
    text-align: center;
    margin-bottom: 20px;
}

.package-title {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.package-price {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--primary-orange);
    margin-bottom: 30px;
}

.package-features {
    list-style: none;
    margin-bottom: 20px;
    flex-grow: 1;
}

.package-features li {
    padding: 12px 0;
    color: var(--text-gray);
    border-bottom: 1px solid #f0f0f0;
}

.package-features li:last-child {
    border-bottom: none;
}

.package-note {
    background: var(--bg-light);
    padding: 15px;
    border-radius: 10px;
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 25px;
    text-align: center;
}

.package-button {
    display: block;
    text-align: center;
    padding: 15px 30px;
    background: var(--primary-blue);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.package-button.primary {
    background: var(--primary-orange);
}

.package-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 关于我 */
.about-section {
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 50px;
    align-items: center;
}

.about-avatar {
    text-align: center;
}

.avatar-placeholder {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 120px;
    margin: 0 auto;
    box-shadow: var(--shadow);
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.about-text p {
    margin-bottom: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

.about-slogan {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-orange);
    margin-top: 25px;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    border-left: 4px solid var(--primary-orange);
}

/* 联系我 */
.contact-section {
    background: var(--bg-light);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.qrcode-box {
    text-align: center;
}

.qrcode-image {
    width: 300px;
    height: 300px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin: 0 auto 20px;
    display: block;
}

.qrcode-placeholder {
    width: 300px;
    height: 300px;
    background: var(--white);
    border: 3px dashed var(--primary-blue);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--text-gray);
}

.qrcode-placeholder p {
    margin: 5px 0;
}

.qrcode-hint {
    font-size: 0.9rem;
}

.wechat-id {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
}

.contact-right h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    color: var(--text-dark);
}

.contact-list {
    list-style: none;
}

.contact-list li {
    padding: 15px 0;
    font-size: 1.1rem;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 15px;
}

.contact-icon {
    font-size: 1.5rem;
}

.contact-note {
    margin-top: 30px;
    padding: 20px;
    background: var(--white);
    border-radius: 10px;
    color: var(--text-gray);
    border-left: 4px solid var(--primary-blue);
}

/* 页脚 */
.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    margin: 10px 0;
}

.footer-links {
    margin-top: 20px;
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    margin: 0 15px;
    transition: color 0.3s ease;
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.5rem;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .hero-shrimp {
        font-size: 80px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .packages-grid {
        grid-template-columns: 1fr;
    }
    
    .package-card.recommended {
        transform: scale(1);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    section {
        padding: 50px 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .cta-button {
        padding: 15px 30px;
        font-size: 1rem;
    }
    
    .package-price {
        font-size: 2rem;
    }
}