@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #ff4d8d;
    --secondary-color: #8e44ad;
    --dark-color: #1a1a2e;
    --light-color: #f5f5f5;
    --text-color: #333;
    --white: #ffffff;
    --gradient: linear-gradient(135deg, #ff4d8d 0%, #ff6b6b 100%);
    --gradient-alt: linear-gradient(135deg, #8e44ad 0%, #ff4d8d 100%);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-strong: 0 15px 40px rgba(0, 0, 0, 0.2);
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--shadow);
}

.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 77, 141, 0.2);
}

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

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 5%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

header.scrolled {
    padding: 12px 5%;
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo img {
    height: 40px;
    width: auto;
    transition: all 0.3s ease;
}

.logo-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary-color);
    font-family: 'Arial', sans-serif;
    letter-spacing: 0.5px;
}

header.scrolled .logo img {
    height: 35px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

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

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

/* Language toggle button */
.lang-switch {
    display: flex;
    align-items: center;
}

#lang-toggle {
    background: transparent;
    border: 1px solid var(--primary-color);
    border-radius: 20px;
    padding: 5px 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--primary-color);
    font-weight: 500;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    height: 32px;
    line-height: 1;
    margin-top: 0;
}

#lang-toggle:hover {
    background: var(--primary-color);
    color: white;
}

.lang-icon {
    font-size: 1rem;
}

.lang-text {
    font-size: 1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 5%;
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 77, 141, 0.1) 0%, rgba(142, 68, 173, 0.1) 100%);
    z-index: 0;
    animation: pulse 10s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -200px;
    left: -200px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(142, 68, 173, 0.1) 0%, rgba(255, 77, 141, 0.1) 100%);
    z-index: 0;
    animation: pulse 10s ease-in-out infinite reverse;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.7;
    }
    100% {
        transform: scale(1);
        opacity: 0.5;
    }
}

.hero-content {
    flex: 1;
    z-index: 2;
    padding-right: 5%;
}

.hero-image {
    flex: 1;
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-images {
    position: relative;
    width: 100%;
    height: 500px;
    max-width: 100%;
    overflow: visible;
}

.floating-images .main-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-width: 80%;
    border-radius: 20px;
    box-shadow: var(--shadow);
    z-index: 3;
    animation: float 6s ease-in-out infinite;
}

.floating-images .floating-image-1 {
    position: absolute;
    top: 10%;
    right: 5%;
    width: 40%;
    border-radius: 15px;
    box-shadow: var(--shadow);
    z-index: 2;
    animation: float 4s ease-in-out infinite;
    animation-delay: 1s;
}

.floating-images .floating-image-2 {
    position: absolute;
    bottom: 10%;
    left: 10%;
    width: 35%;
    border-radius: 15px;
    box-shadow: var(--shadow);
    z-index: 1;
    animation: float 5s ease-in-out infinite;
    animation-delay: 2s;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientText 10s ease infinite;
}

@keyframes gradientText {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.hero .subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--secondary-color);
}

.hero .description {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 600px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    margin-top: 2rem;
}

/* Features Section */
.features {
    padding: 100px 5%;
    background-color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
    position: relative;
    color: var(--dark-color);
}

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

.feature-card {
    display: flex;
    align-items: center;
    margin-bottom: 5rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.feature-card.reverse {
    flex-direction: row-reverse;
}

.feature-image, .feature-content {
    flex: 1;
    padding: 40px;
}

.stacked-images {
    position: relative;
    height: 450px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
}

.stacked-images .main-stack {
    position: relative;
    max-width: 70%;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 2;
    transition: transform 0.3s ease;
}

.stacked-images .stack-back {
    position: absolute;
    max-width: 50%;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 1;
    left: 5%;
    bottom: 100px;
    transform: rotate(-8deg);
    transition: all 0.3s ease;
}

.stacked-images .stack-top {
    position: absolute;
    max-width: 50%;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    z-index: 3;
    right: 5%;
    top: 100px;
    transform: rotate(8deg);
    transition: all 0.3s ease;
}

.stacked-images:hover .main-stack {
    transform: scale(1.05);
}

.stacked-images:hover .stack-back {
    transform: rotate(-12deg) translateX(-15px);
}

.stacked-images:hover .stack-top {
    transform: rotate(12deg) translateX(15px);
}

.feature-content h3 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.feature-list {
    margin-top: 1.5rem;
}

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

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

/* Showcase Section */
.showcase {
    padding: 100px 5%;
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.showcase::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(255, 77, 141, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.showcase-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
}

.showcase-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.showcase-tab {
    padding: 12px 25px;
    border: none;
    background-color: rgba(255, 255, 255, 0.6);
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.showcase-tab:hover {
    background-color: rgba(255, 77, 141, 0.1);
    color: var(--primary-color);
}

.showcase-tab.active {
    background: var(--gradient);
    color: var(--white);
    box-shadow: var(--shadow);
}

.showcase-tab-content {
    display: none;
    animation: fadeIn 0.5s ease forwards;
}

.showcase-tab-content.active {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.showcase-info {
    flex: 1;
    min-width: 300px;
    padding: 30px;
}

.showcase-info h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--dark-color);
}

.showcase-info p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.showcase-features {
    margin-top: 2rem;
}

.showcase-features li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.showcase-features i {
    margin-right: 15px;
    font-size: 1.3rem;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    background: var(--gradient);
    border-radius: 50%;
}

.showcase-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 30px;
}

.showcase-image img {
    max-width: 90%;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.showcase-image img:hover {
    transform: scale(1.05);
}

/* App Stats Section */
.app-stats {
    padding: 80px 5%;
    background: var(--gradient-alt);
    color: var(--white);
    text-align: center;
}

.stat-container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    max-width: 1200px;
    margin: 0 auto;
}

.stat-item {
    flex: 1;
    min-width: 200px;
    margin: 20px;
    padding: 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 1.2rem;
    font-weight: 500;
}

/* Download Section */
.download {
    padding: 100px 5%;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.download::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 77, 141, 0.1) 0%, rgba(142, 68, 173, 0.1) 100%);
    z-index: 0;
    animation: pulse 10s ease-in-out infinite reverse;
}

.download-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
}

.download-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-align: center;
}

.download-devices {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 50px;
}

.device-preview {
    position: relative;
    flex: 0 0 300px;
    max-width: 300px;
    height: 600px;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.5s ease;
}

.device-preview:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.device-screen {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 30px;
}

.device-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 50%, rgba(255, 255, 255, 0.1) 100%);
    pointer-events: none;
    border-radius: 30px;
}

.download-info {
    flex: 1;
    max-width: 500px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.download-btn {
    background: var(--dark-color);
    color: var(--white);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 180px;
    justify-content: center;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    transition: all 0.5s ease;
    z-index: -1;
}

.download-btn:hover {
    transform: translateY(-3px);
    color: var(--white);
}

.download-btn:hover::before {
    left: 0;
}

.android-btn {
    background: #3ddc84;
    color: #000;
}

.ios-btn {
    background: #000;
    color: #fff;
}

.download-btn i {
    font-size: 1.3rem;
}

.qrcode-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 20px;
}

.qrcode {
    text-align: center;
}

.qrcode-placeholder {
    width: 120px;
    height: 120px;
    margin: 0 auto 15px;
    background-color: #f0f0f0;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.qrcode-placeholder::before {
    /* content: 'QR'; */
    font-size: 2rem;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.2);
}

.qrcode-placeholder::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        45deg,
        rgba(255, 77, 141, 0.1),
        rgba(255, 77, 141, 0.1) 10px,
        rgba(142, 68, 173, 0.1) 10px,
        rgba(142, 68, 173, 0.1) 20px
    );
}

.pulse-animation {
    animation: qr-pulse 2s infinite;
}

@keyframes qr-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 77, 141, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 77, 141, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 77, 141, 0);
    }
}

.qrcode p {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Testimonials Section */
.testimonials {
    padding: 100px 5%;
    background-color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.testimonial-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.testimonial-card {
    flex: 1;
    min-width: 300px;
    max-width: 380px;
    background-color: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

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

.testimonial-rating {
    margin-bottom: 20px;
    color: gold;
    font-size: 1.2rem;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 25px;
    font-style: italic;
    color: var(--text-color);
}

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

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
    border: 2px solid white;
}

.testimonial-author p {
    font-weight: 500;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: var(--white);
    padding: 50px 5% 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.footer-logo {
    flex: 1;
    min-width: 300px;
    margin-bottom: 30px;
}

.footer-logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

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

.footer-links, .footer-contact {
    flex: 1;
    min-width: 200px;
    margin-bottom: 30px;
}

.footer-links h4, .footer-contact h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
}

.footer-links h4::after, .footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-color);
}

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

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

.footer-contact p {
    margin-bottom: 15px;
}

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

.social-icons a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

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

.social-icons i {
    font-size: 1.2rem;
}

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Floating Action Buttons */
.floating-action {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.chat-button, .scroll-top {
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-button {
    background: var(--gradient);
    color: white;
    font-size: 1.5rem;
}

.chat-button:hover {
    transform: scale(1.1);
}

.scroll-top {
    background: rgba(255, 255, 255, 0.9);
    color: var(--dark-color);
    font-size: 1.2rem;
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: all 0.3s ease;
}

.scroll-top.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-top:hover {
    background: var(--dark-color);
    color: white;
}

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

/* Media Queries */
@media (max-width: 1200px) {
    .floating-images {
        height: 400px;
    }
    
    .stacked-images {
        height: 400px;
    }
    
    .stacked-images .main-stack {
        max-width: 65%;
    }
    
    .stacked-images .stack-back,
    .stacked-images .stack-top {
        max-width: 45%;
    }
}

@media (max-width: 992px) {
    .hero, .download {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content, .download-content {
        margin-bottom: 50px;
    }
    
    .hero .description {
        margin: 0 auto 2rem;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .feature-card, .feature-card.reverse {
        flex-direction: column;
    }
    
    .feature-content {
        text-align: center;
    }
    
    .feature-list {
        display: inline-block;
        text-align: left;
    }
    
    .floating-images {
        height: 450px;
        margin: 0 auto;
        max-width: 90%;
    }
    
    .floating-images .main-image {
        top: 50%;
        left: 50%;
        max-width: 70%;
    }
    
    .floating-images .floating-image-1 {
        top: 5%;
        right: 10%;
        width: 35%;
    }
    
    .floating-images .floating-image-2 {
        bottom: 5%;
        left: 10%;
        width: 35%;
    }
    
    .stacked-images {
        height: 380px;
        margin: 20px auto;
        max-width: 90%;
    }
    
    .showcase-tab-content.active {
        flex-direction: column-reverse;
    }
    
    .showcase-info {
        text-align: center;
    }
    
    .showcase-features {
        display: inline-block;
        text-align: left;
    }
    
    .download-devices {
        flex-direction: column;
    }
    
    .device-preview {
        transform: perspective(1000px) rotateY(0deg);
        max-width: 250px;
        height: 500px;
    }
    
    .download-info {
        width: 100%;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .feature-content h3 {
        font-size: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
    }
    
    .floating-images {
        height: 380px;
    }
    
    .floating-images .main-image {
        max-width: 70%;
    }
    
    .floating-images .floating-image-1,
    .floating-images .floating-image-2 {
        width: 35%;
    }
    
    .stacked-images {
        height: 320px;
    }
    
    .stacked-images .main-stack {
        max-width: 60%;
    }
    
    .stacked-images .stack-back,
    .stacked-images .stack-top {
        max-width: 40%;
    }
    
    .showcase-nav {
        flex-wrap: wrap;
    }
    
    .qrcode-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .testimonial-card {
        max-width: 100%;
    }
    
    .device-preview {
        max-width: 200px;
        height: 400px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .logo-text {
        font-size: 1.4rem;
    }
    
    .logo img, .footer-logo img {
        height: 35px;
    }
    
    .lang-switch {
        margin-top: 0;
    }
    
    #lang-toggle {
        padding: 8px 15px;
        height: 36px;
    }
    
    .nav-links.active .lang-switch {
        margin-top: 0;
    }
}

@media (max-width: 576px) {
    .floating-images {
        height: 320px;
    }
    
    .floating-images .main-image {
        max-width: 65%;
    }
    
    .floating-images .floating-image-1,
    .floating-images .floating-image-2 {
        width: 30%;
    }
    
    .stacked-images {
        height: 300px;
    }
    
    .stacked-images .main-stack {
        max-width: 55%;
    }
    
    .stacked-images .stack-back,
    .stacked-images .stack-top {
        max-width: 35%;
    }
    
    .device-preview {
        max-width: 200px;
        height: 400px;
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .qrcode-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .logo img, .footer-logo img {
        height: 30px;
    }
}

/* 克隆人与运营部分 */
.digital-clone {
    padding: 100px 5%;
    background-color: var(--white);
    position: relative;
    overflow: hidden;
}

.digital-clone::before {
    content: '';
    position: absolute;
    right: -10%;
    top: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(142, 68, 173, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.digital-clone-content {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 60px;
}

.digital-clone-text {
    flex: 1;
    padding-right: 20px;
}

.digital-clone-text h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.digital-clone-text > p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

.feature-points {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.feature-point {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 1.3rem;
    box-shadow: 0 5px 15px rgba(255, 77, 141, 0.3);
}

.feature-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.feature-info p {
    font-size: 1rem;
    line-height: 1.5;
    color: #666;
}

.digital-clone-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.phone-mockup-overlay {
    position: relative;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.phone-main {
    width: 100%;
    border-radius: 25px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    z-index: 2;
    position: relative;
}

.training-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 85%;
    height: auto;
    background: rgba(0, 0, 0, 0.75);
    border-radius: 20px;
    padding: 20px;
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 3;
    backdrop-filter: blur(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: pulse-overlay 2s ease-in-out infinite;
}

@keyframes pulse-overlay {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 77, 141, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(255, 77, 141, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(255, 77, 141, 0);
    }
}

.training-screen {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 2px solid white;
}

.training-info {
    text-align: center;
    width: 100%;
}

.training-info h5 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    margin-bottom: 12px;
    overflow: hidden;
}

.progress {
    height: 100%;
    width: 70%;
    background: var(--gradient);
    border-radius: 4px;
    animation: progress 2s ease-in-out infinite alternate;
}

@keyframes progress {
    0% {
        width: 40%;
    }
    100% {
        width: 80%;
    }
}

.training-info p {
    font-size: 0.9rem;
    opacity: 0.9;
}

/* 媒体查询 */
@media (max-width: 992px) {
    .digital-clone-content {
        flex-direction: column-reverse;
        gap: 50px;
    }
    
    .digital-clone-text {
        text-align: center;
        padding-right: 0;
    }
    
    .feature-points {
        align-items: center;
    }
    
    .feature-point {
        max-width: 450px;
    }
    
    .phone-mockup-overlay {
        max-width: 350px;
    }
}

@media (max-width: 768px) {
    .digital-clone {
        padding: 80px 5%;
    }
    
    .digital-clone-text h3 {
        font-size: 1.8rem;
    }
    
    .feature-point {
        max-width: 100%;
    }
    
    .feature-icon {
        width: 45px;
        height: 45px;
        min-width: 45px;
        font-size: 1.1rem;
    }
    
    .feature-info h4 {
        font-size: 1.1rem;
    }
    
    .phone-mockup-overlay {
        max-width: 300px;
    }
}

@media (max-width: 576px) {
    .feature-point {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 10px;
    }
    
    .feature-icon {
        margin-bottom: 5px;
    }
    
    .phone-mockup-overlay {
        max-width: 250px;
    }
    
    .training-overlay {
        padding: 15px;
    }
    
    .training-screen {
        width: 50px;
        height: 50px;
    }
    
    .training-info h5 {
        font-size: 1rem;
    }
    
    .training-info p {
        font-size: 0.8rem;
    }
}

/* 新增AI数字人写真部分样式和动效 */
.ai-portrait {
    padding: 100px 5%;
    background-color: var(--light-color);
    position: relative;
    overflow: hidden;
}

.ai-portrait::before {
    content: '';
    position: absolute;
    left: -10%;
    bottom: -10%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 77, 141, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.portrait-content {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 60px;
}

.portrait-text {
    flex: 1;
    padding-right: 20px;
}

.portrait-text h3 {
    font-size: 2rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.portrait-text > p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

.portrait-showcase {
    flex: 1;
    position: relative;
}

.portrait-slider {
    position: relative;
    width: 100%;
    height: 700px;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.portrait-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.5s ease;
}

.portrait-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slide-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: white;
}

.slide-tag {
    display: inline-block;
    padding: 5px 10px;
    background: var(--primary-color);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 10px;
}

.slide-info h4 {
    font-size: 1.2rem;
    margin-top: 5px;
}

.slider-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 20px;
}

.slider-arrow {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    border: none;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 1rem;
    color: var(--dark-color);
    transition: all 0.3s ease;
}

.slider-arrow:hover {
    background: var(--primary-color);
    color: white;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 0 20px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
}

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

/* 动效样式增强 */
.portrait-gallery {
    position: relative;
    width: 100%;
    height: 400px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.main-portrait {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portrait-options {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    padding: 15px;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
}

.option-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: white;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.option-item:hover {
    opacity: 1;
    transform: translateY(-5px);
}

.option-item i {
    font-size: 1.5rem;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.option-item span {
    font-size: 0.9rem;
}

/* 音频通话动画效果 */
.animated-phone {
    animation: pulse-call 2s infinite alternate ease-in-out;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

@keyframes pulse-call {
    0% {
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    100% {
        transform: scale(1.05);
        box-shadow: 0 10px 30px rgba(255, 77, 141, 0.3);
    }
}

/* 收益管理动画效果 */
.animated-dashboard {
    transition: all 0.5s ease;
    transform-origin: center;
    box-shadow: var(--shadow);
    border-radius: 20px;
}

.animated-dashboard:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
}

/* 媒体查询适配 */
@media (max-width: 992px) {
    .portrait-content {
        flex-direction: column;
    }
    
    .portrait-text {
        text-align: center;
        padding-right: 0;
        margin-bottom: 40px;
    }
    
    .portrait-slider {
        height: 650px;
    }
}

@media (max-width: 768px) {
    .portrait-slider {
        height: 600px;
    }
    
    .option-item i {
        font-size: 1.3rem;
    }
    
    .option-item span {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .portrait-slider {
        height: 550px;
    }
}

/* 添加数字人写真动画效果 */
.animated-portrait {
    animation: portrait-float 4s infinite alternate ease-in-out;
    border-radius: 20px;
    box-shadow: var(--shadow);
    max-width: 100%;
}

@keyframes portrait-float {
    0% {
        transform: translateY(0) scale(1);
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    }
    100% {
        transform: translateY(-10px) scale(1.03);
        box-shadow: 0 15px 25px rgba(142, 68, 173, 0.3);
    }
}

/* 政策模态框样式 */
.policy-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.policy-modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background-color: var(--white);
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    border-radius: 15px;
    box-shadow: var(--shadow-strong);
    overflow: hidden;
    transform: translateY(-30px);
    transition: transform 0.3s ease;
}

.policy-modal.active .modal-content {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: var(--gradient);
    color: var(--white);
}

.modal-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 1.8rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    transition: transform 0.2s ease;
}

.close-modal:hover {
    transform: scale(1.1);
}

.modal-body {
    padding: 25px;
    max-height: calc(80vh - 70px);
    overflow-y: auto;
}

.modal-body h4 {
    color: var(--primary-color);
    margin-top: 20px;
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-body h4:first-child {
    margin-top: 0;
}

.modal-body p {
    margin-bottom: 15px;
    line-height: 1.6;
    color: var(--text-color);
    font-size: 1rem;
}

/* 滚动条美化 */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 10px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: #e03e7c;
}

/* 自动适配暗色模式 */
@media (prefers-color-scheme: dark) {
    .modal-content {
        background-color: #1e1e2e;
    }
    
    .modal-body h4 {
        color: var(--primary-color);
    }
    
    .modal-body p {
        color: #e0e0e0;
    }
    
    .modal-body::-webkit-scrollbar-track {
        background: #2a2a3a;
    }
}

@media (max-width: 768px) {
    .modal-content {
        width: 90%;
    }
    
    .modal-title {
        font-size: 1.3rem;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .modal-body h4 {
        font-size: 1.1rem;
    }
    
    .modal-body p {
        font-size: 0.95rem;
    }
}

/* 移动菜单按钮 */
.mobile-menu-toggle {
    display: none;
    width: 30px;
    height: 30px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(13px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-13px) rotate(-45deg);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background-color: var(--white);
        padding: 80px 20px 30px;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        z-index: 1000;
        align-items: flex-start;
        gap: 20px;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        display: block;
        padding: 10px 0;
        width: 100%;
    }

    body.menu-open {
        overflow: hidden;
    }
}