:root {
    --primary-color: #2563eb;
    --primary-light: #3b82f6;
    --primary-dark: #1d4ed8;
    --secondary-color: #10b981;
    --accent-color: #f97316;
    --text-color: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --bg-color: #ffffff;
    --bg-light: #f8fafc;
    --bg-dark: #f1f5f9;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-sm: 4px;
    --container-width: 1200px;
    --header-height: 70px
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Inter,'PingFang SC','Microsoft YaHei',sans-serif
}

html {
    scroll-behavior: smooth
}

body {
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
    overflow-x: hidden
}

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

a:hover {
    color: var(--primary-dark)
}

ul {
    list-style: none
}

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

button {
    cursor: pointer;
    border: none;
    outline: 0;
    transition: var(--transition)
}

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

.section {
    padding: 100px 0
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 50px;
    text-align: center;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition)
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow)
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: #fff
}

.btn-secondary:hover {
    background-color: #0da271;
    transform: translateY(-2px);
    box-shadow: var(--shadow)
}

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

.btn-outline:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow)
}

.btn-accent {
    background-color: var(--accent-color);
    color: #fff
}

.btn-accent:hover {
    background-color: #ea580c;
    transform: translateY(-2px);
    box-shadow: var(--shadow)
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1.1rem
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    background-color: rgba(255,255,255,.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,.1)
}

.header.scrolled {
    background-color: rgba(255,255,255,.95);
    box-shadow: var(--shadow)
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height)
}

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

.logo img {
    height: 40px;
    margin-right: 10px
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color)
}

.nav-links {
    display: flex;
    align-items: center
}

.nav-link {
    margin-left: 30px;
    color: var(--text-color);
    font-weight: 500;
    position: relative
}

.nav-link:hover {
    color: var(--primary-color)
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition)
}

.nav-link:hover::after {
    width: 100%
}

.nav-buttons {
    display: flex;
    align-items: center;
    margin-left: 30px
}

.nav-buttons .btn {
    margin-left: 10px
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer
}

.hero {
    padding-top: calc(var(--header-height) + 80px);
    padding-bottom: 80px;
    background: linear-gradient(135deg,#f0f9ff 0,#e0f2fe 100%);
    position: relative;
    overflow: hidden
}

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

.hero-text {
    flex: 1;
    max-width: 600px
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-color)
}

.hero-title span {
    color: var(--primary-color)
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 30px
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px
}

.hero-image {
    flex: 1;
    max-width: 550px;
    position: relative
}

.chat-demo {
    width: 100%;
    background-color: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border-color)
}

.chat-header {
    background-color: var(--primary-color);
    color: #fff;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.chat-title {
    font-weight: 600;
    display: flex;
    align-items: center
}

.chat-title i {
    margin-right: 10px
}

.chat-body {
    padding: 20px;
    height: 350px;
    overflow-y: auto
}

.chat-message {
    display: flex;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp .5s forwards
}

.user-message {
    justify-content: flex-end
}

.ai-message {
    justify-content: flex-start
}

.message-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 10px
}

.user-message .message-avatar {
    margin-right: 0;
    margin-left: 10px;
    order: 2
}

.message-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.message-content {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    font-size: .95rem;
    line-height: 1.5
}

.user-message .message-content {
    background-color: var(--primary-light);
    color: #fff;
    border-bottom-right-radius: 4px
}

.ai-message .message-content {
    background-color: var(--bg-dark);
    color: var(--text-color);
    border-bottom-left-radius: 4px
}

.typing-indicator {
    display: inline-flex;
    align-items: center;
    padding: 12px 16px;
    background-color: var(--bg-dark);
    border-radius: 18px;
    border-bottom-left-radius: 4px
}

.typing-dot {
    width: 8px;
    height: 8px;
    background-color: var(--text-lighter);
    border-radius: 50%;
    margin: 0 2px;
    animation: typingAnimation 1.5s infinite ease-in-out
}

.typing-dot:nth-child(2) {
    animation-delay: .5s
}

.typing-dot:nth-child(3) {
    animation-delay: 1s
}

.chat-input {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center
}

.chat-input input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: .95rem;
    outline: 0;
    transition: var(--transition)
}

.chat-input input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37,99,235,.2)
}

.chat-input button {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 10px
}

.chat-input button:hover {
    background-color: var(--primary-dark)
}

.features {
    background-color: var(--bg-color)
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(248px,1fr));
    gap: 30px;
    margin-top: 50px
}

.feature-card {
    background-color: var(--bg-light);
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    z-index: 1
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg)
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background-color: var(--primary-color);
    z-index: -1
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: rgba(37,99,235,.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
    transition: var(--transition)
}

.feature-card:hover .feature-icon {
    background-color: var(--primary-color);
    color: #fff;
    transform: rotateY(180deg)
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color)
}

.feature-description {
    color: var(--text-light);
    margin-bottom: 20px
}

.feature-link {
    font-weight: 500;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center
}

.feature-link i {
    margin-left: 5px;
    transition: var(--transition)
}

.feature-link:hover i {
    transform: translateX(5px)
}

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

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 50px
}

.toggle-label {
    font-weight: 500;
    color: var(--text-light)
}

.toggle-switch {
    position: relative;
    width: 60px;
    height: 30px;
    margin: 0 15px
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--bg-dark);
    border-radius: 30px;
    transition: var(--transition)
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: #fff;
    border-radius: 50%;
    transition: var(--transition)
}

input:checked+.toggle-slider {
    background-color: var(--primary-color)
}

input:checked+.toggle-slider:before {
    transform: translateX(30px)
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(300px,1fr));
    gap: 30px
}

.pricing-card {
    background-color: var(--bg-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden
}

.pricing-card.popular {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
    border: 2px solid var(--primary-color)
}

.popular-badge {
    position: absolute;
    top: 3px;
    right: -35px;
    background-color: var(--primary-color);
    color: #fff;
    padding: 5px 40px;
    font-size: .8rem;
    font-weight: 600;
    transform: rotate(45deg)
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px
}

.pricing-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-color)
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    justify-content: center
}

.pricing-price .currency {
    font-size: 1.5rem;
    margin-right: 5px;
    align-self: flex-start;
    margin-top: 10px
}

.pricing-price .period {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
    margin-left: 5px;
    align-self: flex-end
}

.pricing-description {
    color: var(--text-light);
    text-align: center;
    margin-bottom: 30px
}

.pricing-features {
    margin-bottom: 30px
}

.pricing-feature {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: var(--text-color)
}

.pricing-feature i {
    color: var(--secondary-color);
    margin-right: 10px;
    font-size: 1.1rem
}

.pricing-feature.disabled {
    color: var(--text-lighter)
}

.pricing-feature.disabled i {
    color: var(--text-lighter)
}

.pricing-button {
    display: block;
    width: 100%;
    padding: 12px;
    text-align: center;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition)
}

.pricing-card:not(.popular) .pricing-button {
    background-color: var(--bg-light);
    color: var(--primary-color);
    border: 1px solid var(--primary-color)
}

.pricing-card:not(.popular) .pricing-button:hover {
    background-color: var(--primary-color);
    color: #fff
}

.pricing-card.popular .pricing-button {
    background-color: var(--primary-color);
    color: #fff
}

.pricing-card.popular .pricing-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow)
}

.testimonials {
    background-color: var(--bg-color);
    position: relative;
    overflow: hidden
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563eb' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: .5
}

.testimonial-slider {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    overflow: hidden
}

.testimonial-track {
    display: flex;
    transition: transform .5s ease
}

.testimonial-slide {
    min-width: 100%;
    padding: 20px
}

.testimonial-card {
    background-color: var(--bg-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 70px;
    position: relative
}

.testimonial-quote {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 4rem;
    color: rgba(37,99,235,.1);
    font-family: serif;
    line-height: 1
}

.testimonial-content {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 20px;
    position: relative;
    z-index: 1
}

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

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 15px
}

.author-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--text-color)
}

.author-info p {
    color: var(--text-light);
    font-size: .9rem
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    margin-top: 30px
}

.testimonial-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--bg-dark);
    margin: 0 5px;
    cursor: pointer;
    transition: var(--transition)
}

.testimonial-dot.active {
    background-color: var(--primary-color);
    transform: scale(1.2)
}

.testimonial-arrows {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10
}

.testimonial-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition)
}

.testimonial-arrow:hover {
    background-color: var(--primary-color);
    color: #fff
}

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

.demo-container {
    max-width: 800px;
    margin: 0 auto;
    background-color: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden
}

.demo-header {
    background-color: var(--primary-color);
    color: #fff;
    padding: 20px;
    text-align: center
}

.demo-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 5px
}

.demo-subtitle {
    font-size: .9rem;
    opacity: .8
}

.demo-body {
    padding: 30px
}

.demo-chat {
    height: 300px;
    overflow-y: auto;
    margin-bottom: 20px;
    padding: 10px;
    background-color: var(--bg-light);
    border-radius: var(--radius)
}

.demo-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px
}

.suggestion-chip {
    padding: 8px 16px;
    background-color: var(--bg-light);
    border-radius: 30px;
    font-size: .9rem;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition)
}

.suggestion-chip:hover {
    background-color: var(--primary-light);
    color: #fff
}

.demo-input {
    display: flex;
    gap: 10px
}

.demo-input input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: .95rem;
    outline: 0;
    transition: var(--transition)
}

.demo-input input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(37,99,235,.2)
}

.faq {
    background-color: var(--bg-color)
}

.faq-search {
    max-width: 600px;
    margin: 0 auto 50px;
    position: relative
}

.faq-search input {
    width: 100%;
    padding: 15px 20px;
    padding-left: 50px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 1rem;
    outline: 0;
    transition: var(--transition);
    box-shadow: var(--shadow)
}

.faq-search input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37,99,235,.2)
}

.faq-search i {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-lighter)
}

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

.faq-category {
    padding: 8px 16px;
    background-color: var(--bg-light);
    border-radius: var(--radius);
    font-size: .9rem;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition)
}

.faq-category.active,.faq-category:hover {
    background-color: var(--primary-color);
    color: #fff
}

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

.faq-item {
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    background-color: #fff;
    transition: var(--transition)
}

.faq-item:hover {
    box-shadow: var(--shadow)
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    color: var(--text-color);
    transition: var(--transition)
}

.faq-question i {
    transition: var(--transition)
}

.faq-item.active .faq-question {
    color: var(--primary-color)
}

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

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease,padding .3s ease
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px;
    max-height: 1000px
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.6
}

.footer {
    background-color: #1e293b;
    color: #fff;
    padding: 80px 0 30px
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(200px,1fr));
    gap: 40px;
    margin-bottom: 50px
}

.footer-column h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-bottom: 10px
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-light)
}

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

.footer-links a {
    color: rgba(255,255,255,.7);
    transition: var(--transition)
}

.footer-links a:hover {
    color: #fff;
    padding-left: 5px
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    color: rgba(255,255,255,.7)
}

.footer-contact i {
    margin-right: 10px;
    color: var(--primary-light)
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255,255,255,.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: var(--transition)
}

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

.newsletter {
    margin-top: 20px
}

.newsletter p {
    color: rgba(255,255,255,.7);
    margin-bottom: 15px
}

.newsletter-form {
    display: flex
}

.newsletter-form input {
    flex: 1;
    padding: 10px 15px;
    border: none;
    border-radius: var(--radius) 0 0 var(--radius);
    outline: 0
}

.newsletter-form button {
    padding: 10px 15px;
    background-color: var(--primary-color);
    color: #fff;
    border-radius: 0 var(--radius) var(--radius) 0
}

.newsletter-form button:hover {
    background-color: var(--primary-dark)
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,.1);
    color: rgba(255,255,255,.5);
    font-size: .9rem
}

.footer-bottom a {
    color: rgba(255,255,255,.7)
}

.footer-bottom a:hover {
    color: #fff
}

@media (max-width: 1200px) {
    .hero-title {
        font-size:3rem
    }

    .chat-body {
        height: 300px
    }
}

@media (max-width: 992px) {
    .section {
        padding:80px 0
    }

    .hero-content {
        flex-direction: column
    }

    .hero-text {
        max-width: 100%;
        text-align: center;
        margin-bottom: 50px
    }

    .hero-buttons {
        justify-content: center
    }

    .hero-image {
        max-width: 100%
    }

    .pricing-card.popular {
        transform: scale(1)
    }

    .testimonial-arrows {
        display: none
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size:2rem
    }

    .hero-title {
        font-size: 2.5rem
    }

    .mobile-toggle {
        display: block
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 80%;
        height: calc(100vh - var(--header-height));
        background-color: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 30px;
        box-shadow: var(--shadow);
        transition: var(--transition);
        z-index: 1000
    }

    .nav-links.active {
        left: 0
    }

    .nav-link {
        margin: 15px 0
    }

    .nav-buttons {
        margin-left: 0;
        margin-top: 20px;
        flex-direction: column;
        width: 100%
    }

    .nav-buttons .btn {
        margin: 5px 0;
        width: 100%;
        text-align: center
    }

    .features-grid {
        grid-template-columns: 1fr
    }

    .pricing-cards {
        grid-template-columns: 1fr
    }

    .pricing-card {
        margin-bottom: 30px
    }

    .footer-grid {
        grid-template-columns: 1fr
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size:2rem
    }

    .hero-subtitle {
        font-size: 1rem
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 1rem
    }

    .section-title {
        font-size: 1.8rem
    }

    .section-subtitle {
        font-size: 1rem
    }

    .demo-suggestions {
        flex-direction: column
    }

    .suggestion-chip {
        width: 100%;
        text-align: center
    }

    .faq-categories {
        flex-direction: column
    }

    .faq-category {
        width: 100%;
        text-align: center
    }

    .newsletter-form {
        flex-direction: column
    }

    .newsletter-form input {
        border-radius: var(--radius);
        margin-bottom: 10px
    }

    .newsletter-form button {
        border-radius: var(--radius);
        width: 100%
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

@keyframes typingAnimation {
    0% {
        transform: scale(.8);
        opacity: .5
    }

    50% {
        transform: scale(1.2);
        opacity: 1
    }

    100% {
        transform: scale(.8);
        opacity: .5
    }
}

.animate-fadeIn {
    animation: fadeInUp .5s forwards
}

.lazy-load {
    opacity: 0;
    transition: opacity .3s ease
}

.lazy-load.loaded {
    opacity: 1
}