.page-nap-tien {
    font-family: 'Segoe UI', Roboto, sans-serif;
    background: #08162B;
    color: #F3F8FF;
    line-height: 1.6;
}
.page-nap-tien__hero-section {
    padding: 20px 20px 40px;
    background: #08162B;
}
.page-nap-tien__hero-container {
    max-width: 1200px;
    margin: 0 auto;
}
.page-nap-tien__hero-image-wrapper {
    margin-bottom: 20px;
}
.page-nap-tien__hero-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    display: block;
}
.page-nap-tien__hero-content {
    text-align: center;
    padding: 20px 0 0;
}
.page-nap-tien__hero-title {
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    font-weight: 700;
    color: #F3F8FF;
    margin: 0 0 12px;
    letter-spacing: -0.02em;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}
.page-nap-tien__hero-description {
    color: #AFC4E8;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1rem;
}
.page-nap-tien__methods-section {
    background: #10233F;
    padding: 60px 20px;
}
.page-nap-tien__container {
    max-width: 1200px;
    margin: 0 auto;
}
.page-nap-tien__section-title {
    color: #F3F8FF;
    text-align: center;
    font-size: clamp(1.15rem, 2vw, 1.4rem);
    font-weight: 600;
    margin: 0 0 12px;
    letter-spacing: -0.02em;
}
.page-nap-tien__section-description {
    color: #AFC4E8;
    text-align: center;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}
.page-nap-tien__methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.page-nap-tien__method-card {
    background: #113B7A;
    border: 1px solid #244D84;
    border-radius: 16px;
    overflow: hidden;
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.page-nap-tien__method-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 30px rgba(79, 168, 255, 0.2);
}
.page-nap-tien__method-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin-bottom: 16px;
}
.page-nap-tien__method-info {
    text-align: center;
}
.page-nap-tien__method-title {
    color: #F3F8FF;
    font-size: clamp(1rem, 1.5vw, 1.1rem);
    font-weight: 600;
    margin: 0 0 12px;
}
.page-nap-tien__method-text {
    color: #AFC4E8;
    margin: 0;
}
.page-nap-tien__guide-section {
    background: #08162B;
    padding: 60px 20px;
}
.page-nap-tien__guide-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    margin: 0 auto 30px;
}
.page-nap-tien__guide-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: #10233F;
    border-radius: 12px;
    padding: 20px;
    border-left: 4px solid #F2C14E;
}
.page-nap-tien__guide-number {
    background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    color: #F3F8FF;
    border-radius: 50%;
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}
.page-nap-tien__guide-content {
    flex: 1;
}
.page-nap-tien__guide-title {
    color: #F3F8FF;
    margin: 0 0 8px;
    font-size: 1.1rem;
}
.page-nap-tien__guide-text {
    color: #AFC4E8;
    margin: 0;
}
.page-nap-tien__guide-cta {
    text-align: center;
    padding: 30px;
    background: #10233F;
    border-radius: 16px;
    border: 1px solid #244D84;
}
.page-nap-tien__guide-cta-text {
    color: #F3F8FF;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
}
.page-nap-tien__btn {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    font-size: 1rem;
    margin: 8px;
}
.page-nap-tien__btn--primary {
    background: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    color: #F3F8FF;
}
.page-nap-tien__btn--primary:hover {
    background: linear-gradient(180deg, #4FA8FF 0%, #2B73F6 100%);
}
.page-nap-tien__btn--secondary {
    background: #1D5FD1;
    color: #F3F8FF;
    border: 2px solid #4FA8FF;
}
.page-nap-tien__btn--secondary:hover {
    background: #244D84;
}
.page-nap-tien__security-section {
    background: #10233F;
    padding: 60px 20px;
}
.page-nap-tien__security-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}
.page-nap-tien__security-image {
    width: 100%;
    height: auto;
    border-radius: 16px;
    margin: 24px 0;
}
.page-nap-tien__security-text {
    color: #AFC4E8;
    text-align: left;
}
.page-nap-tien__promotions-section {
    background: #08162B;
    padding: 60px 20px;
}
.page-nap-tien__promotion-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.page-nap-tien__promotion-card {
    background: #10233F;
    border: 1px solid #244D84;
    border-radius: 16px;
    padding: 24px;
    text-align: center;
}
.page-nap-tien__promotion-card {
    background: #10233F;
    border: 1px solid #244D84;
    border-radius: 16px;
    padding: 24px;
    text-align: center;
}
.page-nap-tien__promotion-title {
    color: #F2C14E;
    font-size: 1.1rem;
    margin-bottom: 12px;
    font-weight: 600;
}
.page-nap-tien__promotion-text {
    color: #AFC4E8;
    font-size: 0.9rem;
    margin-bottom: 20px;
}
.page-nap-tien__promotion-link {
    display: inline-block;
    color: #F3F8FF;
    text-decoration: none;
    padding: 10px 24px;
    background: linear-gradient(135deg, #1D5FD1 0%, #113B7A 100%);
    border-radius: 6px;
    font-weight: 600;
    transition: opacity 0.3s ease;
}
.page-nap-tien__promotion-link:hover {
    opacity: 0.85;
}
.page-nap-tien__benefits-section {
    background: #10233F;
    padding: 60px 20px;
}
.page-nap-tien__benefits-list {
    max-width: 800px;
    margin: 0 auto;
    padding-left: 20px;
}
.page-nap-tien__benefit-item {
    color: #AFC4E8;
    margin-bottom: 12px;
}
.page-nap-tien__benefit-item::marker {
    color: #F2C14E;
}
@media (max-width: 768px) {
    .page-nap-tien {
        overflow-x: hidden;
        max-width: 100%;
    }
    .page-nap-tien img {
        max-width: 100%;
        height: auto;
    }
    .page-nap-tien__hero-section {
        padding-left: 12px;
        padding-right: 12px;
    }
    .page-nap-tien__methods-section,
    .page-nap-tien__guide-section,
    .page-nap-tien__security-section,
    .page-nap-tien__promotions-section,
    .page-nap-tien__benefits-section {
        padding: 35px 12px;
    }
    .page-nap-tien__methods-grid {
        grid-template-columns: 1fr;
    }
    .page-nap-tien__promotion-grid {
        grid-template-columns: 1fr;
    }
    .page-nap-tien__guide-step {
        padding: 15px;
    }
    .page-nap-tien__btn {
        display: block;
        margin: 8px auto;
    }
}