:root {
    --primary-peach: #FFCDB6;  /* 背景粉色 */
    --primary-purple: #8B4367;  /* 紫色主色调 */
    --white: #FFFFFF;
}

.site-header {
    background-color: var(--primary-peach);
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

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

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

.logo-image {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.logo-text {
    font-size: 1.5rem;
    color: var(--primary-purple);
    font-weight: 600;
}

.play-now-button {
    background-color: var(--primary-purple);
    color: var(--white);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s ease;
}

.play-now-button:hover {
    opacity: 0.9;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .site-header {
        padding: 0.75rem 1rem;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
    
    .logo-image {
        height: 32px;
    }
}

.video-section {
    padding: 4rem 2rem;
    background-color: var(--primary-peach);
}

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

.video-section h2 {
    text-align: center;
    color: var(--primary-purple);
    margin-bottom: 2rem;
    font-size: 2rem;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    width: 100%;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 宽高比 */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

/* 响应式设计 */
@media (max-width: 768px) {
    .video-section {
        padding: 3rem 1rem;
    }

    .video-grid {
        grid-template-columns: 1fr; /* 手机端单列显示 */
        gap: 1.5rem;
    }

    .video-section h2 {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
}
.features {
    padding: 5rem 2rem;
    background-color: var(--white); /* 改为白色背景 */
}

.features h2 {
    text-align: center;
    color: var(--primary-purple);
    margin-bottom: 4rem;
    font-size: 2.5rem;
}

.features-grid {
    display: flex;
    flex-direction: column;
    gap: 4rem; /* 增加卡片之间的间距 */
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    display: grid;
    grid-template-columns: 400px 1fr; /* 固定图片宽度 */
    gap: 3rem;
    padding: 2.5rem;
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 8px 30px rgba(139, 67, 103, 0.08);
    transition: transform 0.3s ease;
}

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

.feature-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

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

.feature-card h3 {
    color: var(--primary-purple);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.feature-card p {
    color: #4a4a4a;
    line-height: 1.8;
    font-size: 1.1rem;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .feature-card {
        grid-template-columns: 300px 1fr;
        gap: 2rem;
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .features {
        padding: 3rem 1rem;
    }

    .features h2 {
        font-size: 2rem;
        margin-bottom: 2.5rem;
    }

    .feature-card {
        grid-template-columns: 1fr;
        text-align: left; /* 保持左对齐 */
        gap: 1.5rem;
    }

    .feature-image {
        height: 250px;
        width: 100%;
    }

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

    .feature-card p {
        font-size: 1rem;
    }
}

.hero {
    min-height: 100vh;
    background-color: var(--primary-peach);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero-content {
    max-width: 600px;
    margin-right: 2rem;
}

h1 {
    font-size: 3.5rem;
    color: var(--primary-purple);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4a4a4a;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.hero-cta {
    display: inline-block;
    background-color: var(--primary-purple);
    color: var(--white);
    padding: 1rem 2.5rem;
    border-radius: 30px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(139, 67, 103, 0.3);
}

.hero-image {
    flex: 1;
    max-width: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.floating-image {
    max-width: 100%;
    height: auto;
    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 {
        flex-direction: column;
        text-align: center;
        padding: 5rem 1.5rem 3rem;
    }

    .hero-content {
        margin-right: 0;
        margin-bottom: 3rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-image {
        max-width: 80%;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-image {
        max-width: 90%;
    }
}

.seo-content {
    padding: 5rem 2rem;
    background: var(--white);
}

.rich-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.rich-content h2 {
    color: var(--primary-purple);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.rich-content h3 {
    color: var(--primary-purple);
    font-size: 2rem;
    margin: 2.5rem 0 1.5rem;
}

.rich-content h4 {
    color: var(--primary-purple);
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
}

.rich-content h5 {
    font-size: 1.2rem;
    margin: 1.5rem 0 1rem;
    color: #333;
}

.rich-content p {
    margin-bottom: 1.5rem;
    color: #444;
}

.rich-content ul {
    margin: 1rem 0 2rem 2rem;
}

.rich-content li {
    margin-bottom: 0.5rem;
    color: #444;
}

.faq-item {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #eee;
}

blockquote {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--primary-peach);
    border-left: 4px solid var(--primary-purple);
    font-style: italic;
}

blockquote cite {
    display: block;
    margin-top: 1rem;
    font-style: normal;
    font-weight: 600;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .seo-content {
        padding: 3rem 1rem;
    }

    .rich-content h2 {
        font-size: 2rem;
    }

    .rich-content h3 {
        font-size: 1.75rem;
    }

    .rich-content h4 {
        font-size: 1.3rem;
    }
}