/* 全局样式 */
:root {
    --primary-color: #6c63ff;
    --secondary-color: #4a45b1;
    --accent-color: #ff6b6b;
    --dark-color: #2a2a2a;
    --light-color: #f8f9fa;
    --gray-color: #6c757d;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --border-radius: 8px;
    --section-padding: 80px 0;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: var(--light-color);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 15px;
}

p {
    margin-bottom: 15px;
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.section-subtitle {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--gray-color);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 按钮样式 */
.primary-button, .secondary-button, .cta-button, .pricing-button, .platform-button, .subscribe-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 25px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    outline: none;
}

.primary-button {
    background-color: var(--primary-color);
    color: white;
}

.primary-button:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.secondary-button {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.secondary-button:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.cta-button {
    background-color: var(--accent-color);
    color: white;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
}

.cta-button:hover {
    background-color: #ff5252;
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

/* 动画效果 */
.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.glow-animation {
    animation: glow 3s infinite;
}

@keyframes glow {
    0% {
        box-shadow: 0 0 5px rgba(108, 99, 255, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(108, 99, 255, 0.8);
    }
    100% {
        box-shadow: 0 0 5px rgba(108, 99, 255, 0.5);
    }
}

/* 导航栏样式 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

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

/* 英雄区域样式 */
.hero-section {
    position: relative;
    padding: 100px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.hero-text h2 {
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 20px;
    color: var(--gray-color);
}

.hero-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--gray-color);
}

.hero-cta {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.hero-stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.floating-badge {
    position: absolute;
    top: -20px;
    right: -20px;
    background-color: var(--accent-color);
    color: white;
    padding: 15px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    animation: float 3s ease-in-out infinite;
    box-shadow: var(--box-shadow);
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

.badge-text {
    font-size: 0.8rem;
    font-weight: 600;
}

.badge-discount {
    font-size: 1.5rem;
    font-weight: 700;
}

.countdown-timer {
    font-size: 0.8rem;
    margin-top: 5px;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

/* 痛点部分样式 */
.pain-points-section {
    padding: var(--section-padding);
    background-color: white;
}

.pain-points-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pain-point-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.pain-point-card:hover {
    transform: translateY(-10px);
}

.pain-point-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(108, 99, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.pain-point-icon i {
    font-size: 30px;
    color: var(--primary-color);
}

.pain-point-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.pain-points-cta {
    text-align: center;
    margin-top: 50px;
}

.scroll-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-weight: 600;
}

.scroll-button i {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 解决方案部分样式 */
.solution-section {
    padding: var(--section-padding);
    background-color: #f8f9fa;
}

.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto 50px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.video-container video {
    width: 100%;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-button {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.play-button i {
    color: white;
    font-size: 30px;
}

.play-button:hover {
    transform: scale(1.1);
    background-color: var(--secondary-color);
}

.solution-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.benefit-card {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-10px);
}

.benefit-card img {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.benefit-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* 功能部分样式 */
.features-section {
    padding: var(--section-padding);
    background-color: white;
}

.feature-tabs {
    margin-top: 50px;
}

.tab-navigation {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tab-button {
    padding: 12px 25px;
    background-color: #f1f1f1;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.tab-button.active {
    background-color: var(--primary-color);
    color: white;
}

.tab-button:hover:not(.active) {
    background-color: #e0e0e0;
}

.tab-content {
    position: relative;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.feature-content {
    display: flex;
    align-items: center;
    gap: 40px;
}

.feature-text {
    flex: 1;
}

.feature-text h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.feature-list {
    margin-bottom: 30px;
}

.feature-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.feature-list i {
    color: var(--success-color);
    font-size: 1.2rem;
    margin-top: 3px;
}

.feature-cta {
    display: inline-block;
    padding: 12px 25px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
}

.feature-cta:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.feature-image {
    flex: 1;
}

.feature-image img {
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}
/* 用户评价部分样式 */
.testimonials-section {
    padding: var(--section-padding);
    background-color: #f8f9fa;
}

.testimonials-slider {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 0;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.testimonials-slider::-webkit-scrollbar {
    display: none;
}

.testimonial-card {
    flex: 0 0 350px;
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    scroll-snap-align: start;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-10px);
}

.testimonial-rating {
    margin-bottom: 15px;
    color: var(--warning-color);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info h4 {
    margin-bottom: 5px;
}

.author-info p {
    color: var(--gray-color);
    margin-bottom: 0;
}

.testimonials-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 50px;
    flex-wrap: wrap;
}

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

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.stat-text {
    color: var(--gray-color);
}

/* 价格方案部分样式 */
.pricing-section {
    padding: var(--section-padding);
    background-color: white;
}

.pricing-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.pricing-card {
    flex: 1;
    max-width: 350px;
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.pricing-card.popular {
    transform: scale(1.05);
    border: 2px solid var(--primary-color);
    z-index: 1;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--primary-color);
    color: white;
    padding: 8px 15px;
    font-size: 0.8rem;
    font-weight: 600;
    border-bottom-left-radius: var(--border-radius);
}

.pricing-header {
    padding: 30px;
    text-align: center;
    background-color: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

.plan-name {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.plan-price {
    position: relative;
    display: inline-flex;
    align-items: baseline;
    margin-bottom: 10px;
}

.original-price {
    position: absolute;
    top: -20px;
    right: -40px;
    color: var(--gray-color);
    text-decoration: line-through;
    font-size: 1.2rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
    margin-right: 5px;
}

.amount {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.period {
    font-size: 1rem;
    color: var(--gray-color);
    margin-left: 5px;
}

.discount-tag {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-top: 10px;
}

.pricing-features {
    padding: 30px;
}

.pricing-features ul li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features i.fa-check {
    color: var(--success-color);
}

.pricing-features i.fa-times {
    color: var(--danger-color);
}

.pricing-footer {
    padding: 0 30px 30px;
    text-align: center;
}

.pricing-button {
    display: inline-block;
    width: 100%;
    padding: 12px 25px;
    background-color: var(--primary-color);
    color: white;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    margin-bottom: 15px;
}

.pricing-button:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.countdown-container {
    font-size: 0.9rem;
    color: var(--gray-color);
}

.countdown-timer {
    font-weight: 600;
    color: var(--accent-color);
}

.pricing-guarantee {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
    color: var(--gray-color);
}

.pricing-guarantee i {
    color: var(--success-color);
}

/* 下载部分样式 */
.download-section {
    padding: var(--section-padding);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.download-section .section-title,
.download-section .section-subtitle {
    color: white;
}

.download-platforms {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 50px 0;
    flex-wrap: wrap;
}

.platform-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 120px;
    height: 120px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: white;
    transition: var(--transition);
}

.platform-button i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.platform-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    color: white;
}

.download-form {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.download-form h3 {
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    margin-bottom: 15px;
}

.form-group input {
    flex: 1;
    padding: 12px 15px;
    border: none;
    border-radius: var(--border-radius) 0 0 var(--border-radius);
    outline: none;
}

.subscribe-button {
    padding: 12px 25px;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    cursor: pointer;
    transition: var(--transition);
}

.subscribe-button:hover {
    background-color: #ff5252;
}

.form-privacy {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

/* FAQ部分样式 */
.faq-section {
    padding: var(--section-padding);
    background-color: #f8f9fa;
}

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

.faq-item {
    background-color: white;
    border-radius: var(--border-radius);
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.faq-question {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: #f8f9fa;
}

.faq-question h3 {
    margin-bottom: 0;
    font-size: 1.2rem;
}

.faq-toggle {
    transition: var(--transition);
}

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

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 500px;
}

.faq-more {
    text-align: center;
    margin-top: 30px;
}

.more-questions-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-weight: 600;
}

.more-questions-button:hover {
    color: var(--secondary-color);
}

.more-questions-button i {
    transition: var(--transition);
}

.more-questions-button:hover i {
    transform: translateX(5px);
}

/* Footer Section */
.footer-section {
    background-color: #1a1a2e;
    color: #fff;
    padding: 70px 0 40px;
    position: relative;
    overflow: hidden;
}

.footer-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.footer-top {
    display: flex;
    justify-content: space-between;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    max-width: 180px;
    height: auto;
    display: block;
}

.footer-slogan {
    color: #a0a0a0;
    font-size: 0.95rem;
    margin-top: 10px;
    max-width: 280px;
    line-height: 1.6;
}

.footer-nav {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
}

.footer-nav-column h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 10px;
}

.footer-nav-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-nav-column ul li {
    margin-bottom: 12px;
}

.footer-nav-column ul li a {
    color: #a0a0a0;
    transition: var(--transition);
    font-size: 0.95rem;
    display: inline-block;
    position: relative;
}

.footer-nav-column ul li a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-social h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 10px;
}

.footer-social h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
}

.social-icons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

.social-icon:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    color: #a0a0a0;
    font-size: 0.9rem;
}

.app-badges {
    display: flex;
    gap: 15px;
}

.language-selector select {
    padding: 8px 15px;
    background-color: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: var(--border-radius);
    color: white;
    outline: none;
    cursor: pointer;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
    color: white;
}

/* Cookie同意提示 */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
    padding: 20px;
    z-index: 1000;
    display: none;
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 20px;
}

.cookie-content p {
    margin-bottom: 0;
    flex: 1;
}

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

.cookie-accept, .cookie-settings {
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.cookie-accept {
    background-color: var(--primary-color);
    color: white;
    border: none;
}

.cookie-accept:hover {
    background-color: var(--secondary-color);
}

.cookie-settings {
    background-color: transparent;
    color: var(--gray-color);
    border: 1px solid var(--gray-color);
}

.cookie-settings:hover {
    background-color: #f1f1f1;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .hero-text h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
    }
    
    .hero-text, .hero-image {
        width: 100%;
    }
    
    .feature-content {
        flex-direction: column;
    }
    
    .feature-text, .feature-image {
        width: 100%;
    }
    
    .feature-image {
        margin-top: 30px;
    }
    
    .footer-top {
        flex-direction: column;
    }
    
    .footer-nav {
        margin-top: 30px;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-text h2 {
        font-size: 1.3rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-cta .primary-button, 
    .hero-cta .secondary-button {
        width: 100%;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .tab-navigation {
        flex-direction: column;
        align-items: center;
    }
    
    .tab-button {
        width: 100%;
        text-align: center;
    }
    
    .pricing-card {
        flex: 0 0 100%;
    }
    
    .pricing-card.popular {
        transform: scale(1);
    }
    
    .pricing-card.popular:hover {
        transform: translateY(-10px);
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .hero-text h2 {
        font-size: 1.1rem;
    }
    
    .floating-badge {
        width: 100px;
        height: 100px;
    }
    
    .badge-discount {
        font-size: 1.2rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .form-group input {
        border-radius: var(--border-radius) var(--border-radius) 0 0;
    }
    
    .subscribe-button {
        border-radius: 0 0 var(--border-radius) var(--border-radius);
    }
    
    .cookie-content {
        flex-direction: column;
    }
    
    .cookie-buttons {
        width: 100%;
        justify-content: center;
    }
}

/* 打印样式 */
@media print {
    .navbar, 
    .hero-cta, 
    .download-section, 
    .footer-section, 
    .back-to-top, 
    .cookie-consent {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    .container {
        width: 100%;
        max-width: none;
        padding: 0;
    }
    
    .section-title, 
    .section-subtitle {
        color: black;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
    
    .pricing-card {
        break-inside: avoid;
        border: 1px solid #ddd;
        box-shadow: none;
    }
}

/* 暗黑模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --light-color: #121212;
        --dark-color: #f8f9fa;
        --gray-color: #a0a0a0;
    }
    
    body {
        background-color: var(--light-color);
        color: var(--dark-color);
    }
    
    .section-title {
        color: var(--dark-color);
    }
    
    .pain-point-card, 
    .benefit-card, 
    .testimonial-card, 
    .pricing-card, 
    .faq-item {
        background-color: #1e1e1e;
    }
    
    .pricing-header {
        background-color: #2a2a2a;
        border-bottom: 1px solid #333;
    }
    
    .tab-button {
        background-color: #2a2a2a;
    }
    
    .tab-button:hover:not(.active) {
        background-color: #333;
    }
    
    .cookie-consent {
        background-color: #1e1e1e;
        box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.3);
    }
    
    .cookie-settings {
        color: #a0a0a0;
        border: 1px solid #a0a0a0;
    }
    
    .cookie-settings:hover {
        background-color: #2a2a2a;
    }
}

/* 动画延迟加载 */
.animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate.active {
    opacity: 1;
    transform: translateY(0);
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.affiliate-disclaimer {
    font-size: 0.8rem;
    color: #888;
    margin-top: 10px;
    line-height: 1.4;
}