/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: #ffffff;
    color: #333;
    line-height: 1.5;
    scroll-behavior: smooth; /* 唯梦风格：平滑滚动 */
}

/* 第一屏 -  */
.first-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
    /* 唯梦风格：背景粒子动画 */
    background-image: 
        radial-gradient(rgba(59, 130, 246, 0.05) 2px, transparent 2px),
        radial-gradient(rgba(139, 92, 246, 0.05) 2px, transparent 2px);
    background-size: 40px 40px;
    background-position: 0 0, 20px 20px;
}

/* 背景装饰 - 完整保留 */
.first-screen::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    clip-path: polygon(30% 0%, 100% 0%, 100% 100%, 0% 100%);
    z-index: 0;
    /* 唯梦风格：动态渐变 */
    animation: bgShift 15s ease infinite alternate;
}

/* 主标题 - 完整保留 + 唯梦风格增强 */
.main-title {
    font-size: 3rem;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    /* 唯梦风格：文字渐入动画 */
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.3s;
}

/* 渐变文字 */
.gradient-text {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    /* 唯梦风格：文字发光效果 */
    text-shadow: 0 0 15px rgba(59, 130, 246, 0.2);
}

/* 描述文本 - 完整保留 + 唯梦风格动画 */
.description {
    font-size: 1.2rem;
    color: #555;
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 600px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.5s;
}

.highlight {
    color: #3b82f6;
    font-weight: 600;
    /* 唯梦风格：高亮文字闪烁 */
    position: relative;
}

.highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    transform: scaleX(0);
    transform-origin: left;
    animation: underline 2s ease infinite alternate;
}

/* 场景标签容器 - 完整保留 */
.scene-tags-container {
    margin-bottom: 2.5rem;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.4s;
}

.scene-tags {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.8rem;
    width: 100%;
    padding: 10px 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.scene-tags::-webkit-scrollbar {
    display: none;
}

/* 场景标签 - 完整保留 + 唯梦风格增强 */
.scene-tag {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
    color: #475569;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
    white-space: nowrap;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 500;
    /* 唯梦风格：3D效果 + 发光 */
    position: relative;
    overflow: hidden;
}

.scene-tag i {
    font-size: 0.9rem;
}

/* 特性徽章 - 完整保留 + 唯梦风格增强 */
.feature-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    max-width: 600px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.7s;
}

.feature-badge {
    background: #f0f7ff;
    border: 1px solid #dbeafe;
    border-radius: 8px;
    padding: 0.7rem 1.5rem;
    font-size: 0.9rem;
    color: #3b82f6;
    font-weight: 500;
    transition: all 0.2s ease;
    /* 唯梦风格：徽章呼吸效果 */
    position: relative;
    overflow: hidden;
}

/* 支付合作伙伴 - 完整保留 + 唯梦风格增强 */
.payment-section {
    padding: 2rem 0;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards 0.8s;
}

.payment-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    width: 100%;
    margin: 0 auto;
}

.payment-logo {
    height: 35px;
    opacity: 0.9;
    transition: all 0.3s ease;
    /* 唯梦风格：支付图标悬浮缩放 */
}

/* 右侧图片区域 - 完整保留 + 唯梦风格增强 */
.hero-image-wrapper {
    text-align: center;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateX(30px);
    animation: fadeInRight 0.8s ease forwards 0.9s;
}

.hero-image {
    width: 100%;
    max-width: 600px;
    border-radius: 0;
    box-shadow: none;
    position: relative;
    z-index: 2;
    background: transparent;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.05));
    transition: transform 0.5s ease, filter 0.5s ease;
    /* 唯梦风格：图片悬浮3D效果 */
}

/* 图片修复 - 完整保留 */
.img-fluid {
    max-width: 100%;
    height: auto;
}

.rounded {
    border-radius: 12px !important;
}

/* 响应式 - 基础规则 */
@media (max-width: 1200px) {
    .first-screen::before {
        width: 50%;
    }
}

@media (max-width: 992px) {
    .first-screen::before {
        width: 40%;
        opacity: 0.7;
    }
    
    .hero-image-wrapper {
        margin-top: 3rem;
    }
}

@media (max-width: 768px) {
    .first-screen {
        padding: 80px 0 40px;
    }
    
    .first-screen::before {
        display: none;
    }
    
    .main-title {
        font-size: 2.2rem;
    }
    
    .description {
        font-size: 1.1rem;
    }
    
    .payment-logos {
        gap: 2rem;
    }
    
    .payment-logo {
        height: 30px;
    }
    
    .payment-section {
        text-align: center;
    }
    
    .scene-tag {
        padding: 0.5rem 0.85rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .main-title {
        font-size: 1.8rem;
    }
    
    .scene-tag {
        padding: 0.45rem 0.8rem;
        font-size: 0.78rem;
    }
}

@media (max-width: 480px) {
    .scene-tag {
        padding: 0.4rem 0.7rem;
        font-size: 0.75rem;
    }
    
    .scene-tag i {
        font-size: 0.7rem;
    }
}