/* Header Styles */
.header {
    position: fixed;
    width: 100%;
    background: rgba(17, 17, 17, 0.95);
    padding: 1rem 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo__img {
    height: 40px;
    width: auto;
}

.logo__text {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(45deg, #FF6B6B, #4ECDC4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.3);
}

.play-now-btn {
    background: linear-gradient(45deg, #FF6B6B, #FF4949);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(255, 75, 75, 0.3);
}

.play-now-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 75, 75, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
    .logo__text {
        font-size: 1.2rem;
    }

    .play-now-btn {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* Hero Section */
.hero {
    padding-top: 80px; /* 为固定定位的header留出空间 */
    min-height: 100vh;
    background: linear-gradient(to bottom, #1a1a1a, #2d2d2d);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('path/to/pattern.png');
    opacity: 0.1;
    pointer-events: none;
}

.hero__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
    padding: 4rem 0;
}

.hero__text {
    color: #fff;
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, #FF6B6B, #4ECDC4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero__subtitle {
    font-size: 1.2rem;
    color: #b8b8b8;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
}

.cta-button {
    background: linear-gradient(45deg, #FF6B6B, #FF4949);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: 0 0 20px rgba(255, 75, 75, 0.3);
}

.secondary-button {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 75, 75, 0.5);
}

.secondary-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hero__image {
    position: relative;
}

.hero__img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
    animation: float 6s ease-in-out infinite;
}

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

/* 响应式设计 */
@media (max-width: 968px) {
    .hero__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__image {
        order: -1;
        margin-bottom: 2rem;
    }
}

@media (max-width: 480px) {
    .hero__buttons {
        flex-direction: column;
    }

    .hero__title {
        font-size: 2rem;
    }
}

/* Video Section Styles */
.video-section {
    padding: 6rem 0;
    background: linear-gradient(to bottom, #2d2d2d, #1a1a1a);
    color: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    background: linear-gradient(45deg, #FF6B6B, #4ECDC4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
    background: #000;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
}

.video-wrapper:hover {
    transform: translateY(-5px);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .video-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .video-section {
        padding: 4rem 0;
    }

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

    .video-wrapper {
        margin-bottom: 1.5rem;
    }
}
/* Features Section Styles */
.features {
    padding: 6rem 0;
    background: linear-gradient(to bottom, #1a1a1a, #2d2d2d);
    color: #fff;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
    background: linear-gradient(45deg, #FF6B6B, #4ECDC4);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.features__grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    transition: transform 0.3s ease;
}

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

.feature-card__image {
    overflow: hidden;
    border-radius: 15px;
}

.feature-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-card__image img {
    transform: scale(1.05);
}

.feature-card__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-card__content h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #FF6B6B;
}

.feature-card__content p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #b8b8b8;
}

/* Responsive Design */
@media (max-width: 968px) {
    .feature-card {
        grid-template-columns: 1fr;
    }

    .feature-card__image {
        height: 300px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }

    .feature-card__content h3 {
        font-size: 1.5rem;
    }

    .feature-card__content p {
        font-size: 1rem;
    }
}
/* SEO Content Section Styles */
.content {
    padding: 6rem 0;
    background: linear-gradient(to bottom, #2d2d2d, #1a1a1a);
    color: #fff;
}

.content-block {
    margin-bottom: 4rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
}

.content-block h2 {
    font-size: 2.5rem;
    color: #FF6B6B;
    margin-bottom: 2rem;
}

.content-block h3 {
    font-size: 1.8rem;
    color: #4ECDC4;
    margin: 2rem 0 1rem;
}

.content-block h4 {
    font-size: 1.4rem;
    color: #FF6B6B;
    margin: 1.5rem 0 1rem;
}

.content-block p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #b8b8b8;
    margin-bottom: 1.5rem;
}

.content-block ul {
    list-style: none;
    padding-left: 1.5rem;
    margin: 1rem 0;
}

.content-block ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: #b8b8b8;
}

.content-block ul li::before {
    content: '•';
    color: #FF6B6B;
    position: absolute;
    left: 0;
}

.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .content-block h2 {
        font-size: 2rem;
    }

    .content-block h3 {
        font-size: 1.5rem;
    }

    .content-block h4 {
        font-size: 1.2rem;
    }

    .content-block p {
        font-size: 1rem;
    }
}