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

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

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

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #ff69b4;
}

.nav-logo i {
    margin-right: 10px;
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: #ff69b4;
}

/* 主页部分 */
.hero {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ff69b4, #00bfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hd-badge {
    background: #ff69b4;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: bold;
    font-size: 1.2rem;
    margin-left: 1rem;
}

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

.hero-buttons {
    display: flex;
    gap: 1rem;
}

.btn-primary, .btn-secondary {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(45deg, #ff69b4, #ff1493);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid #ff69b4;
}

.btn-primary:hover, .btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 105, 180, 0.3);
}

/* 主图片样式 */
.main-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    margin: 0 auto;
    transition: transform 0.3s ease;
}

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

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        45deg,
        rgba(255, 105, 180, 0.1) 0%,
        rgba(0, 191, 255, 0.1) 100%
    );
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.main-image:hover .image-overlay {
    opacity: 1;
}

.play-button {
    background: rgba(255, 105, 180, 0.9);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.play-button:hover {
    background: rgba(255, 105, 180, 1);
    transform: scale(1.1);
}

.play-button i {
    font-size: 2rem;
    color: white;
    margin-left: 5px;
}

.image-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.feature-tag {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: white;
    font-size: 0.9rem;
    font-weight: bold;
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: rgba(255, 105, 180, 0.8);
    transform: translateX(10px);
}

.feature-tag i {
    font-size: 1.2rem;
    color: #ff69b4;
}

.feature-tag:hover i {
    color: white;
}

/* 功能特点 */
.features {
    padding: 80px 0;
    background: rgba(0, 0, 0, 0.1);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, #ff69b4, #00bfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    transition: transform 0.3s ease;
}

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

.feature-card i {
    font-size: 3rem;
    color: #ff69b4;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* 收益对比 */
.income-section {
    padding: 80px 0;
}

.income-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ff69b4, #00bfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.income-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.income-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.income-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    transition: transform 0.3s ease;
}

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

.other-streams .card-header {
    background: #4a90e2;
    color: white;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    text-align: center;
}

.flycar .card-header {
    background: #ff69b4;
    color: white;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    text-align: center;
}

.income-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.income-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.label {
    font-weight: bold;
    color: #ccc;
}

.value {
    text-align: right;
    flex: 1;
    margin-left: 1rem;
}

.highlight {
    color: #ff69b4;
    font-weight: bold;
    font-size: 1.1rem;
}

.stats {
    text-align: center;
}

.stat-number {
    font-size: 4rem;
    font-weight: bold;
    background: linear-gradient(45deg, #ff69b4, #00bfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-text {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 联系我们 */
.contact-section {
    padding: 80px 0;
    background: rgba(0, 0, 0, 0.1);
    text-align: center;
}

.contact-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #ff69b4, #00bfff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.get-started-btn {
    background: linear-gradient(45deg, #ff69b4, #ff1493);
    color: white;
    border: none;
    padding: 1rem 3rem;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    margin-bottom: 3rem;
    transition: all 0.3s ease;
}

.get-started-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 105, 180, 0.3);
}

.contact-methods {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 3rem;
}

.contact-item {
    text-align: center;
}

.qr-code {
    background: white;
    padding: 15px;
    border-radius: 15px;
    margin-bottom: 1rem;
    display: inline-block;
    width: 120px;
    height: 120px;
}

.qr-code.large {
    padding: 20px;
}

.qr-code img {
    display: block;
    width: 90px;
    height: 90px;
    object-fit: contain;
}

.contact-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    font-weight: bold;
}

.contact-label i {
    font-size: 1.5rem;
}

.app-download h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

/* 页脚 */
.footer {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem 0;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .income-comparison {
        grid-template-columns: 1fr;
    }
    
    .contact-methods {
        flex-direction: column;
        gap: 2rem;
    }
    
    .download-methods {
        flex-direction: row;
        gap: 2rem;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .qr-code {
        width: 100px;
        height: 100px;
    }
    
    .qr-code img {
        width: 70px;
        height: 70px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card, .income-card {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动动画 */
.hero, .features, .income-section, .contact-section {
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.features {
    animation-delay: 0.2s;
}

.income-section {
    animation-delay: 0.4s;
}

.contact-section {
    animation-delay: 0.6s;
}

/* APP Download Section */
.app-download {
    text-align: center;
    margin-top: 3rem;
}

.app-download h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: #fff;
}

.download-methods {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

/* Top Video Banner */
.top-video-banner {
    position: relative;
    width: 100vw;
    height: auto;
    min-height: 200px;
    overflow: hidden;
    background: #000;
    margin: 0;
    padding: 0;
    left: 50%;
    transform: translateX(-50%);
}

.video-container {
    position: relative;
    width: 100%;
    height: auto;
}

.quad-video-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 2px;
    width: 100%;
}

.video-item {
    position: relative;
    background: #000;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.banner-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-item:hover .video-overlay {
    opacity: 1;
}

.video-controls {
    display: flex;
    gap: 10px;
}

.video-control-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #333;
}

.video-control-btn:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

.video-control-btn i {
    font-size: 16px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .top-video-banner {
        min-height: 150px;
    }
    
    .quad-video-layout {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, auto);
        gap: 1px;
    }
    
    .video-item {
        aspect-ratio: 16/9;
    }
    
    .video-overlay {
        padding: 15px;
    }
    
    .video-control-btn {
        width: 35px;
        height: 35px;
    }
    
    .video-control-btn i {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .top-video-banner {
        min-height: 120px;
    }
    
    .video-overlay {
        padding: 10px;
    }
    
    .video-control-btn {
        width: 30px;
        height: 30px;
    }
    
    .video-control-btn i {
        font-size: 12px;
    }
}