@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-gradient: linear-gradient(135deg, #434343 0%, #000000 100%);
    --light-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --bg-light: #f7fafc;
    --card-bg: #ffffff;
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: var(--text-primary);
    background-color: var(--bg-light);
    overflow-x: hidden;
    line-height: 1.6;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
}

/* 加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.loader-circle {
    width: 60px;
    height: 60px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loader-text {
    font-size: 18px;
    font-weight: 500;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 1rem 0;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
}

.navbar.scrolled .logo {
    color: #2d3748;
}

.logo-icon {
    margin-right: 0.75rem;
    font-size: 2rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: white;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.navbar.scrolled .nav-links a {
    color: #2d3748;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--primary-gradient);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(102, 126, 234, 0.4);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.navbar.scrolled .mobile-menu-btn {
    color: #2d3748;
}

/* 英雄区域 */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 2rem 0;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-gradient);
    opacity: 0.7;
    z-index: -1;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 900;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-content .highlight {
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-content p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: var(--secondary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(245, 87, 108, 0.4);
}

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

.btn-outline:hover {
    background: white;
    color: #2d3748;
    transform: translateY(-3px);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    z-index: 2;
    position: relative;
}

.hero-image::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 20px;
    transform: rotate(5deg) scale(0.95);
    z-index: 1;
}

/* 套餐展示区 */
.packages {
    padding: 6rem 0;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.packages::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, var(--dark-gradient), transparent);
    opacity: 0.5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.package-card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.package-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
    z-index: 2;
}

.package-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.package-card.popular {
    transform: scale(1.05);
}

.package-card.popular::after {
    content: '最受欢迎';
    position: absolute;
    top: 20px;
    right: -30px;
    background: var(--secondary-gradient);
    color: white;
    padding: 5px 40px;
    transform: rotate(45deg);
    font-size: 0.8rem;
    font-weight: 600;
    z-index: 3;
}

.package-header {
    padding: 2rem;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
}

.package-operator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.package-operator img {
    width: 40px;
    height: 40px;
    margin-right: 0.75rem;
}

.package-name {
    font-size: 1.5rem;
    font-weight: 700;
}

.package-price {
    font-size: 2.5rem;
    font-weight: 900;
    margin: 1rem 0;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.package-price span {
    font-size: 1rem;
    font-weight: 500;
    background: none;
    -webkit-text-fill-color: var(--text-secondary);
}

.package-data {
    font-size: 3rem;
    font-weight: 900;
    color: #e53e3e;
    margin-bottom: 0.5rem;
}

.package-data-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

.package-features {
    padding: 2rem;
}

.feature-list {
    list-style: none;
    margin-bottom: 2rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.feature-list li i {
    color: #48bb78;
    margin-right: 0.75rem;
    font-size: 1.25rem;
}

.package-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.package-tag {
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

.tag-primary {
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
}

.tag-secondary {
    background: rgba(245, 87, 108, 0.1);
    color: #f5576c;
}

.tag-accent {
    background: rgba(79, 172, 254, 0.1);
    color: #4facfe;
}

.package-cta {
    width: 100%;
    text-align: center;
}

/* 产品优势 */
.features {
    padding: 6rem 0;
    background: white;
    position: relative;
}

.features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(102, 126, 234, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(245, 87, 108, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 50% 50%, rgba(79, 172, 254, 0.05) 0%, transparent 30%);
    z-index: -1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.2);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 办理流程 */
.process {
    padding: 6rem 0;
    background: var(--bg-light);
    position: relative;
}

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

.process-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary-gradient);
    transform: translateY(-50%);
    z-index: -1;
}

.process-step {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.process-step:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.2);
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* 用户评价 */
.testimonials {
    padding: 6rem 0;
    background: white;
    position: relative;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(102, 126, 234, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(245, 87, 108, 0.05) 0%, transparent 20%);
    z-index: -1;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '"';
    position: absolute;
    top: 20px;
    left: 30px;
    font-size: 6rem;
    color: rgba(102, 126, 234, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.testimonial-rating {
    margin-bottom: 1.5rem;
    color: #ed8936;
}

.testimonial-content {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 3px solid #667eea;
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 1rem;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.25rem;
}

.author-info h4 {
    font-weight: 700;
    margin-bottom: 0.25rem;
}

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

/* 常见问题 */
.faq {
    padding: 6rem 0;
    background: var(--bg-light);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 15px;
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(102, 126, 234, 0.05);
}

.faq-question i {
    transition: all 0.3s ease;
    color: #667eea;
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--text-secondary);
    line-height: 1.7;
}

.faq-answer.active {
    padding: 0 1.5rem 1.5rem;
    max-height: 200px;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

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

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(102, 126, 234, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(245, 87, 108, 0.05) 0%, transparent 20%);
    z-index: -1;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.contact-info h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

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

.contact-details li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.contact-details li i {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
}

.contact-details li div {
    flex: 1;
}

.contact-details li h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-details li p {
    color: var(--text-secondary);
}

.contact-form {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-form h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.contact-form h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 2px;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* 底部区域 */
.footer {
    background: var(--dark-gradient);
    color: white;
    padding: 4rem 0 2rem;
    position: relative;
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: white;
    text-decoration: none;
    margin-bottom: 1.5rem;
}

.footer-logo i {
    margin-right: 0.75rem;
    font-size: 2rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

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

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-gradient);
    transform: translateY(-3px);
}

.footer-heading {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-gradient);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
}

.footer-links a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-links a i {
    margin-right: 0.5rem;
    font-size: 0.75rem;
}

.footer-bottom {
    max-width: 1200px;
    margin: 3rem auto 0;
    padding: 1.5rem 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 1rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-bottom-links a:hover {
    color: white;
}

/* 移动端底部菜单 */
.mobile-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    z-index: 1000;
    display: none;
}

.mobile-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 5px 15px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.8rem;
    transition: all 0.3s ease;
}

.mobile-menu-item:hover {
    color: #667eea;
}

.mobile-menu-item i {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content p {
        max-width: 100%;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: white;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links li {
        margin: 1.5rem 0;
    }
    
    .nav-links a {
        color: var(--text-primary);
        font-size: 1.2rem;
    }
    
    .mobile-menu-btn {
        display: block;
        z-index: 1001;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .packages-grid {
        grid-template-columns: 1fr;
    }
    
    .package-card.popular {
        transform: scale(1);
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .navbar {
        padding-bottom: 60px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .package-card,
    .feature-card,
    .process-step,
    .testimonial-card,
    .contact-info,
    .contact-form {
        padding: 1.5rem;
    }
}

/* 动画类 */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

/* 滚动动画延迟 */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }