:root {
    --primary-color: #FFD700; /* Gold */
    --secondary-color: #1A202C; /* Charcoal Black */
    --text-light: #ffffff;
    --text-dark: #333333; /* For better contrast on light backgrounds */
    --background-light: #f4f7f6;
    --background-dark: #1A202C;
    --accent-color: #FF4500; /* Orange-Red for emphasis, good contrast */
}

.page-bn-c {
    font-family: 'Arial', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
}

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

/* Hero Section */
.page-bn-c .hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    background-color: var(--background-dark); /* Dark background for hero */
    color: var(--text-light);
}

.page-bn-c .hero-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-bn-c .hero-image {
    width: 100%;
    margin-bottom: 30px;
}

.page-bn-c .hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 8px;
    object-fit: cover;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.page-bn-c .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
}

.page-bn-c .hero-content h1 {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--primary-color); /* Gold heading */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    line-height: 1.2;
}

.page-bn-c .hero-content p {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 30px auto;
    color: var(--text-light);
}

.page-bn-c .cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--primary-color); /* Gold button */
    color: var(--secondary-color); /* Dark text on gold */
    text-decoration: none;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    margin-top: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-bn-c .cta-button:hover {
    background: #e6c200; /* Slightly darker gold on hover */
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* General Section Styling */
.page-bn-c section {
    padding: 80px 0;
    background-color: var(--background-light);
    color: var(--text-dark);
}

.page-bn-c section:nth-of-type(even) { /* Alternate background for better visual separation */
    background-color: #ffffff;
}

.page-bn-c h2 {
    font-size: 2.5em;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.page-bn-c h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.page-bn-c h3 {
    font-size: 1.8em;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.page-bn-c p {
    margin-bottom: 15px;
    font-size: 1.05em;
}

/* Introduction Section */
.page-bn-c .introduction-section p {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Features Section */
.page-bn-c .features-section .feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-bn-c .features-section .feature-item {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-bn-c .features-section .feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.page-bn-c .features-section .feature-item img {
    width: 100%;
    max-width: 400px; /* Ensure images are not too small */
    height: 250px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 2px solid var(--primary-color);
}

.page-bn-c .features-section .feature-item h3 {
    color: var(--primary-color);
    font-size: 1.5em;
}

/* Guide Section */
.page-bn-c .guide-section {
    background-color: var(--background-dark);
    color: var(--text-light);
}

.page-bn-c .guide-section h2 {
    color: var(--primary-color);
}

.page-bn-c .guide-section p {
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
}

.page-bn-c .guide-section .guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.page-bn-c .guide-section .guide-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-bn-c .guide-section .guide-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
}

.page-bn-c .guide-section .guide-item img {
    width: 100%;
    max-width: 300px; /* Adjust max-width for guide images */
    height: 180px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 2px solid var(--primary-color);
}

.page-bn-c .guide-section .guide-item h3 {
    color: var(--primary-color);
    font-size: 1.6em;
}

.page-bn-c .guide-section .guide-item p {
    color: var(--text-light);
    text-align: center;
    font-size: 1em;
}

.page-bn-c .btn-guide {
    display: inline-block;
    padding: 10px 25px;
    background: var(--primary-color);
    color: var(--secondary-color);
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s ease;
    font-size: 0.95em;
}

.page-bn-c .btn-guide:hover {
    background: #e6c200;
    transform: translateY(-2px);
}

/* Promotions Section */
.page-bn-c .promotions-section .promotion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-bn-c .promotions-section .promotion-item {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-bn-c .promotions-section .promotion-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
}

.page-bn-c .promotions-section .promotion-item img {
    width: 100%;
    max-width: 400px;
    height: 220px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 2px solid var(--primary-color);
}

.page-bn-c .promotions-section .promotion-item h3 {
    color: var(--primary-color);
    font-size: 1.5em;
}

.page-bn-c .btn-promo {
    display: inline-block;
    padding: 10px 25px;
    background: var(--accent-color); /* Use accent color for promo buttons */
    color: var(--text-light);
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    margin-top: 20px;
    transition: all 0.3s ease;
    font-size: 0.95em;
}

.page-bn-c .btn-promo:hover {
    background: #cc3700; /* Darker accent on hover */
    transform: translateY(-2px);
}

/* Why Choose Section */
.page-bn-c .why-choose-section {
    background-color: var(--background-dark);
    color: var(--text-light);
}

.page-bn-c .why-choose-section h2 {
    color: var(--primary-color);
}

.page-bn-c .why-choose-section .why-choose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-bn-c .why-choose-section .why-choose-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-bn-c .why-choose-section .why-choose-item:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.1);
}

.page-bn-c .why-choose-section .why-choose-item img {
    width: 100%;
    max-width: 300px;
    height: 180px; /* Fixed height for consistency */
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 2px solid var(--primary-color);
}

.page-bn-c .why-choose-section .why-choose-item h3 {
    color: var(--primary-color);
    font-size: 1.6em;
}

.page-bn-c .why-choose-section .why-choose-item p {
    color: var(--text-light);
    font-size: 1em;
}

/* FAQ Section */
.page-bn-c .faq-section {
    background-color: var(--background-light);
}

.page-bn-c .faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-bn-c .faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-bn-c .faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    background: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.page-bn-c .faq-item.active .faq-question {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border-color: var(--primary-color);
}

.page-bn-c .faq-question:hover {
    background: #f5f5f5;
    border-color: #d0d0d0;
}

.page-bn-c .faq-item.active .faq-question:hover {
    background-color: #e6c200; /* Slightly darker gold on hover when active */
    border-color: var(--primary-color);
}

.page-bn-c .faq-question h3 {
    margin: 0;
    font-size: 1.15em;
    color: var(--secondary-color); /* Default dark text */
}

.page-bn-c .faq-item.active .faq-question h3 {
    color: var(--secondary-color); /* Dark text on gold active */
}

.page-bn-c .faq-toggle {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--primary-color); /* Gold toggle icon */
    transition: transform 0.3s ease;
    line-height: 1;
}

.page-bn-c .faq-item.active .faq-toggle {
    transform: rotate(45deg);
    color: var(--secondary-color); /* Dark toggle icon on gold */
}

.page-bn-c .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 25px;
    background: #fdfdfd;
    border: 1px solid #e0e0e0;
    border-top: none;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    color: var(--text-dark);
}

.page-bn-c .faq-item.active .faq-answer {
    max-height: 500px; /* Sufficient height for content */
    padding: 20px 25px;
    border-color: #e0e0e0;
}

.page-bn-c .faq-answer p {
    margin: 0;
    font-size: 1em;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-bn-c .hero-content h1 {
        font-size: 2.8em;
    }
    .page-bn-c h2 {
        font-size: 2em;
    }
    .page-bn-c h3 {
        font-size: 1.5em;
    }
    .page-bn-c section {
        padding: 60px 0;
    }
    .page-bn-c .features-section .feature-item img,
    .page-bn-c .guide-section .guide-item img,
    .page-bn-c .promotions-section .promotion-item img,
    .page-bn-c .why-choose-section .why-choose-item img {
        height: 200px; /* Adjust height for tablet */
    }
}

@media (max-width: 768px) {
    .page-bn-c .hero-section {
        padding: 40px 15px;
    }
    .page-bn-c .hero-content h1 {
        font-size: 2.2em;
    }
    .page-bn-c .hero-content p {
        font-size: 1em;
    }
    .page-bn-c .cta-button {
        padding: 12px 30px;
        font-size: 1em;
    }
    .page-bn-c h2 {
        font-size: 1.8em;
        margin-bottom: 30px;
    }
    .page-bn-c h3 {
        font-size: 1.3em;
    }
    .page-bn-c section {
        padding: 40px 0;
    }
    .page-bn-c .features-section .feature-grid,
    .page-bn-c .guide-section .guide-steps,
    .page-bn-c .promotions-section .promotion-grid,
    .page-bn-c .why-choose-section .why-choose-grid {
        grid-template-columns: 1fr;
    }
    .page-bn-c .features-section .feature-item,
    .page-bn-c .guide-section .guide-item,
    .page-bn-c .promotions-section .promotion-item,
    .page-bn-c .why-choose-section .why-choose-item {
        padding: 20px;
    }
    .page-bn-c .features-section .feature-item img,
    .page-bn-c .guide-section .guide-item img,
    .page-bn-c .promotions-section .promotion-item img,
    .page-bn-c .why-choose-section .why-choose-item img {
        height: 150px; /* Adjust height for mobile */
    }
    .page-bn-c .faq-question {
        padding: 15px 20px;
    }
    .page-bn-c .faq-answer {
        padding: 0 20px;
    }
    .page-bn-c .faq-item.active .faq-answer {
        padding: 15px 20px;
    }
    .page-bn-c .faq-question h3 {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .page-bn-c .hero-content h1 {
        font-size: 1.8em;
    }
    .page-bn-c .hero-content p {
        font-size: 0.9em;
    }
    .page-bn-c .cta-button {
        padding: 10px 25px;
        font-size: 0.9em;
    }
    .page-bn-c h2 {
        font-size: 1.5em;
    }
    .page-bn-c h3 {
        font-size: 1.2em;
    }
}