.preland-header {
    background: var(--white);
    padding: 1rem 0;
    border-bottom: 1px solid var(--gray-300);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.preland-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preland-header .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.25rem;
}

.preland-header .logo i {
    font-size: 1.75rem;
}

.preland-header .back-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    background: var(--gray-100);
    transition: all 0.3s;
}

.preland-header .back-link:hover {
    background: var(--gray-200);
    color: var(--primary-color);
}

.preland-main {
    background: var(--light-bg);
}

.preland-hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 4rem 0;
    text-align: center;
}

.preland-headline {
    color: var(--white);
    font-family: 'Merriweather', serif;
    font-size: 2.75rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1.5rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.preland-video-note {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin-bottom: 2rem;
    font-style: italic;
}

.video-container {
    max-width: 800px;
    margin: 0 auto 2rem;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.video-placeholder {
    width: 102%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.5));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    gap: 1rem;
}

.video-placeholder i {
    font-size: 5rem;
    opacity: 0.8;
}

.video-placeholder span {
    font-size: 1.125rem;
    opacity: 0.7;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    color: var(--white);
    font-size: 1.375rem;
    font-weight: 700;
    padding: 1.125rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.preland-content {
    padding: 4rem 0;
}

.preland-content .container {
    max-width: 900px;
    text-align: center;
}

.content-box {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 2.5rem;
    text-align: left;
}

.content-box p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.content-box p:last-child {
    margin-bottom: 0;
}

.cta-bottom {
    margin-top: 1rem;
}

.disclaimer-section {
    background: var(--gray-100);
    padding: 4rem 0;
    border-top: 2px solid var(--gray-200);
}

.disclaimer-section .container {
    max-width: 1000px;
}

.disclaimer-box {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-left: 6px solid var(--primary-color);
}

.disclaimer-box h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--gray-200);
}

.disclaimer-content p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.disclaimer-content p:last-child {
    margin-bottom: 0;
}

.disclaimer-content strong {
    color: var(--primary-color);
    font-weight: 600;
}

@media (max-width: 768px) {
    .preland-headline {
        font-size: 2rem;
    }
    
    .preland-hero {
        padding: 3rem 0;
    }
    
    .content-box {
        padding: 2rem;
    }
    
    .content-box p {
        font-size: 1rem;
    }
    
    .disclaimer-box {
        padding: 2rem;
    }
    
    .cta-button {
        font-size: 1.125rem;
        padding: 1rem 2rem;
    }
    
    .preland-header .logo span,
    .preland-header .back-link span {
        display: none;
    }
}

@media (max-width: 480px) {
    .preland-headline {
        font-size: 1.5rem;
    }
    
    .video-placeholder i {
        font-size: 3rem;
    }
}