/* Landing Page Specific Styles */

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.hero-decoration {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.hero-decoration-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient-accent);
    top: 10%;
    right: 10%;
    animation-delay: 0s;
}

.hero-decoration-2 {
    width: 200px;
    height: 200px;
    background: var(--gradient-warm);
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.hero-decoration-3 {
    width: 150px;
    height: 150px;
    background: var(--gradient-secondary);
    top: 50%;
    left: 80%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
    padding: 2rem 0;
}

.brand-logo {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0;
    animation: slideInLeft 1s ease-out 0.2s forwards;
}

.brand-logo i {
    font-size: 32px;
    color: var(--accent-color);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: slideInLeft 1s ease-out 0.4s forwards;
}

.hero-title .highlight {
    background: linear-gradient(45deg, var(--accent-color), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 400;
    margin-bottom: 2.5rem;
    opacity: 0.9;
    line-height: 1.6;
    opacity: 0;
    animation: slideInLeft 1s ease-out 0.6s forwards;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: slideInLeft 1s ease-out 0.8s forwards;
}

.cta-button {
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    padding: 1rem 2rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

.primary-cta {
    background: var(--gradient-warm);
    color: white;
    box-shadow: 0 8px 32px rgba(250, 112, 154, 0.3);
}

.primary-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(250, 112, 154, 0.4);
}

.secondary-cta {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.secondary-cta:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

.cta-button.large {
    font-size: 1.2rem;
    padding: 1.25rem 2.5rem;
}

.hero-visual {
    position: relative;
    z-index: 2;
    opacity: 0;
    animation: slideInRight 1s ease-out 0.6s forwards;
}

.product-preview {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.product-preview:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.preview-image {
    width: 100%;
    height: auto;
    display: block;
}

/* 轮播容器 */
.image-carousel {
    position: relative;
    width: 100%;
    height: auto;
}

/* 轮播图片样式 */
.image-carousel .preview-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    display: block;
    opacity: 0;
    transform: scale(1);
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
}

/* 激活状态的图片 */
.image-carousel .preview-image.active {
    opacity: 1;
    transform: scale(1);
    position: relative;
}

/* 轮播过渡效果 */
.image-carousel .preview-image.fade-in {
    opacity: 1;
    transform: scale(1.02);
}

.image-carousel .preview-image.fade-out {
    opacity: 0;
    transform: scale(0.98);
}

.preview-overlay {
    position: absolute;
    top: 20px;
    right: 20px;
}

.preview-badge {
    background: var(--gradient-accent);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0;
    animation: fadeIn 1s ease-out 1.5s forwards;
}

.scroll-arrow {
    color: white;
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    cursor: pointer;
}

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

/* Section Styles */
.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #666;
    font-weight: 400;
}

/* Pain Points Section */
.pain-points-section {
    padding: 6rem 0;
    background: var(--light-bg);
}

.pain-point-card {
    background: white;
    padding: 2.5rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    height: 100%;
    border: 2px solid transparent;
}

.pain-point-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.pain-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.pain-point-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.pain-point-card p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
}

.solution-statement {
    margin-top: 4rem;
    text-align: center;
}

.statement-content {
    background: var(--gradient-primary);
    color: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    max-width: 800px;
    margin: 0 auto;
}

.statement-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.statement-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin: 0;
}

/* Features Section */
.features-section {
    padding: 6rem 0;
    background: white;
}

.feature-card {
    text-align: center;
    padding: 2rem 1rem;
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2.5rem;
    box-shadow: var(--shadow-colored);
}

.feature-card h4 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.feature-card p {
    color: #666;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Process Section */
.process-section {
    padding: 6rem 0;
    background: var(--light-bg);
}

.process-flow {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.process-step {
    text-align: center;
    flex: 1;
    position: relative;
    z-index: 2;
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: var(--gradient-warm);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    z-index: 3;
}

.step-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    font-size: 1.8rem;
    position: relative;
}

.process-step h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.process-step p {
    color: #666;
    font-size: 1rem;
    margin: 0;
}

.process-connector {
    height: 2px;
    background: var(--gradient-primary);
    flex: 1;
    margin: 0 1rem;
    position: relative;
    z-index: 1;
}

.process-note {
    text-align: center;
    margin-top: 3rem;
    padding: 1.5rem;
    background: rgba(91, 95, 222, 0.1);
    border-radius: 15px;
    border-left: 4px solid var(--primary-color);
}

.process-note p {
    margin: 0;
    color: var(--primary-color);
    font-weight: 500;
}

.process-note i {
    margin-right: 0.5rem;
}

/* Authority Section */
.authority-section {
    padding: 6rem 0;
    background: white;
}

.authority-content {
    background: white;
    padding: 4rem 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.authority-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.authority-content p {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 1rem;
}

.authority-description {
    font-size: 1rem !important;
    line-height: 1.6;
    margin-bottom: 0 !important;
}

.authority-logo {
    max-width: 200px;
    height: auto;
    filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.1));
}

/* CTA Section */
.cta-section {
    padding: 6rem 0;
    background: var(--gradient-primary);
    color: white;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Footer */
.landing-footer {
    background: var(--dark-color);
    color: white;
    padding: 2rem 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-info {
    text-align: right;
}

.footer-info p {
    margin: 0;
    font-size: 0.9rem;
}

.icp-info {
    opacity: 0.7;
    font-size: 0.8rem !important;
}

/* Animations */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Responsive Design */
@media (max-width: 576px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cta-button {
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .process-flow {
        flex-direction: column;
        gap: 2rem;
    }
    
    .process-connector {
        width: 2px;
        height: 50px;
        margin: 1rem 0;
    }
    
    .authority-content {
        padding: 2rem 1.5rem;
        text-align: center;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-info {
        text-align: center;
    }
    
    .product-preview {
        transform: none;
        margin-top: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .brand-logo {
        font-size: 24px;
    }
    
    .pain-point-card,
    .feature-card {
        margin-bottom: 2rem;
    }
    
    .authority-logo {
        max-width: 150px;
        margin-top: 1rem;
    }
}

/* Scroll-triggered animations */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}