:root {
    --primary-color: #113B7A;
    --secondary-color: #1D5FD1;
    --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --card-bg: #10233F;
    --text-main: #F3F8FF;
    --text-secondary: #AFC4E8;
    --border-color: #244D84;
    --glow-color: #4FA8FF;
    --gold-color: #F2C14E;
    --divider-color: #1B3357;
    --deep-navy: #08162B;
}

/* Ensure main content area text color adapts to the dark body background */
.page-blog-k9cc-dang-ky-benefits {
    background-color: var(--deep-navy); /* Assumes body background is dark */
    color: var(--text-secondary); /* Light text for readability */
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    padding-bottom: 40px; /* Add some padding at the bottom */
}

/* Headings */
.page-blog-k9cc-dang-ky-benefits h1,
.page-blog-k9cc-dang-ky-benefits h2,
.page-blog-k9cc-dang-ky-benefits h3,
.page-blog-k9cc-dang-ky-benefits h4,
.page-blog-k9cc-dang-ky-benefits h5,
.page-blog-k9cc-dang-ky-benefits h6 {
    color: var(--text-main);
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.page-blog-k9cc-dang-ky-benefits h1 {
    /* No fixed font-size for H1, rely on inherited or responsive clamp if needed */
    font-weight: 900;
    letter-spacing: -0.02em;
}

.page-blog-k9cc-dang-ky-benefits h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    text-align: center;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 10px;
}

.page-blog-k9cc-dang-ky-benefits h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--gold-color);
    border-radius: 2px;
}

.page-blog-k9cc-dang-ky-benefits h3 {
    font-size: clamp(1.4rem, 3vw, 2rem);
    margin-bottom: 1.5rem;
    color: var(--gold-color);
}

.page-blog-k9cc-dang-ky-benefits h4 {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--text-main);
}

/* Text elements */
.page-blog-k9cc-dang-ky-benefits__text-block {
    margin-bottom: 1.5rem;
    color: var(--text-secondary);
}

.page-blog-k9cc-dang-ky-benefits__highlight {
    color: var(--gold-color);
    font-weight: bold;
}

/* Container for content sections */
.page-blog-k9cc-dang-ky-benefits__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* Sections */
.page-blog-k9cc-dang-ky-benefits__hero-section {
    position: relative;
    display: flex;
    flex-direction: column; /* Image first, then content */
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    padding-top: 10px; /* Small top padding, body handles header-offset */
    padding-bottom: 60px;
}

.page-blog-k9cc-dang-ky-benefits__hero-image-wrapper {
    width: 100%;
    height: auto;
    margin-bottom: 30px;
}

.page-blog-k9cc-dang-ky-benefits__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.page-blog-k9cc-dang-ky-benefits__hero-content {
    max-width: 900px;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-blog-k9cc-dang-ky-benefits__main-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 1rem;
    color: var(--gold-color);
}

.page-blog-k9cc-dang-ky-benefits__description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: 2rem;
    color: var(--text-main);
}

.page-blog-k9cc-dang-ky-benefits__introduction-section,
.page-blog-k9cc-dang-ky-benefits__registration-process-section,
.page-blog-k9cc-dang-ky-benefits__promotions-section,
.page-blog-k9cc-dang-ky-benefits__games-section,
.page-blog-k9cc-dang-ky-benefits__security-section,
.page-blog-k9cc-dang-ky-benefits__faq-section,
.page-blog-k9cc-dang-ky-benefits__conclusion-section {
    padding: 40px 0;
}

/* Buttons */
.page-blog-k9cc-dang-ky-benefits__cta-button {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1rem;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    box-sizing: border-box;
}

.page-blog-k9cc-dang-ky-benefits__button-primary {
    background: var(--button-gradient);
    color: var(--text-main);
    border: 2px solid transparent;
}

.page-blog-k9cc-dang-ky-benefits__button-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-blog-k9cc-dang-ky-benefits__button-secondary {
    background-color: var(--card-bg);
    color: var(--gold-color);
    border: 2px solid var(--gold-color);
    margin-left: 15px;
}

.page-blog-k9cc-dang-ky-benefits__button-secondary:hover {
    background-color: var(--gold-color);
    color: var(--deep-navy);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-blog-k9cc-dang-ky-benefits__cta-buttons-wrapper {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap;
}

/* Lists - Benefits, Requirements, Promotions, Security */
.page-blog-k9cc-dang-ky-benefits__benefits-list,
.page-blog-k9cc-dang-ky-benefits__requirements-list,
.page-blog-k9cc-dang-ky-benefits__promotions-list,
.page-blog-k9cc-dang-ky-benefits__security-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.page-blog-k9cc-dang-ky-benefits__list-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-blog-k9cc-dang-ky-benefits__list-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    object-fit: contain;
}

.page-blog-k9cc-dang-ky-benefits__list-content {
    flex-grow: 1;
}

.page-blog-k9cc-dang-ky-benefits__list-title {
    margin-top: 0;
    margin-bottom: 8px;
    color: var(--gold-color);
}

.page-blog-k9cc-dang-ky-benefits__list-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.page-blog-k9cc-dang-ky-benefits__step-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: step-counter;
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    margin-top: 30px;
}

.page-blog-k9cc-dang-ky-benefits__step-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    position: relative;
    padding-left: 70px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-blog-k9cc-dang-ky-benefits__step-item::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 20px;
    top: 25px;
    background-color: var(--gold-color);
    color: var(--deep-navy);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.page-blog-k9cc-dang-ky-benefits__step-title {
    margin-top: 0;
    margin-bottom: 8px;
    color: var(--gold-color);
}

.page-blog-k9cc-dang-ky-benefits__step-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 0;
}

.page-blog-k9cc-dang-ky-benefits__image-full-width {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    margin-top: 40px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* Game Categories */
.page-blog-k9cc-dang-ky-benefits__game-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-blog-k9cc-dang-ky-benefits__game-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    text-align: center;
    padding-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
}

.page-blog-k9cc-dang-ky-benefits__game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 15px;
}

.page-blog-k9cc-dang-ky-benefits__game-title {
    color: var(--gold-color);
    margin-bottom: 10px;
    padding: 0 15px;
}

.page-blog-k9cc-dang-ky-benefits__game-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
    padding: 0 15px;
    flex-grow: 1;
}

.page-blog-k9cc-dang-ky-benefits__game-card .page-blog-k9cc-dang-ky-benefits__cta-button {
    margin-top: auto; /* Push button to bottom */
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    background: var(--button-gradient);
    color: var(--text-main);
    border: none;
}

.page-blog-k9cc-dang-ky-benefits__game-card .page-blog-k9cc-dang-ky-benefits__cta-button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* FAQ Section */
.page-blog-k9cc-dang-ky-benefits__faq-list {
    margin-top: 30px;
}

.page-blog-k9cc-dang-ky-benefits__faq-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-blog-k9cc-dang-ky-benefits__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    color: var(--gold-color);
    font-weight: bold;
    font-size: 1.1rem;
    list-style: none; /* Remove default marker for details summary */
}

.page-blog-k9cc-dang-ky-benefits__faq-question::-webkit-details-marker {
    display: none;
}

.page-blog-k9cc-dang-ky-benefits__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.3s ease;
}

.page-blog-k9cc-dang-ky-benefits__faq-item[open] .page-blog-k9cc-dang-ky-benefits__faq-toggle {
    transform: rotate(45deg);
}

.page-blog-k9cc-dang-ky-benefits__faq-answer {
    padding: 0 20px 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.page-blog-k9cc-dang-ky-benefits__faq-answer p {
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-blog-k9cc-dang-ky-benefits__container {
        padding: 0 15px;
    }

    .page-blog-k9cc-dang-ky-benefits__hero-section {
        padding-top: 10px !important; /* body handles header-offset, this is just small top padding */
        padding-bottom: 40px;
    }

    .page-blog-k9cc-dang-ky-benefits__main-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

    .page-blog-k9cc-dang-ky-benefits__description {
        font-size: clamp(0.9rem, 3vw, 1.1rem);
    }

    .page-blog-k9cc-dang-ky-benefits__cta-button {
        padding: 10px 20px;
        font-size: 0.9rem;
        margin-left: 0 !important;
    }

    .page-blog-k9cc-dang-ky-benefits__cta-buttons-wrapper {
        flex-direction: column !important;
        gap: 15px;
        padding: 0 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-blog-k9cc-dang-ky-benefits__button-secondary {
        margin-left: 0 !important;
    }

    .page-blog-k9cc-dang-ky-benefits__benefits-list,
    .page-blog-k9cc-dang-ky-benefits__game-categories {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-blog-k9cc-dang-ky-benefits__list-item,
    .page-blog-k9cc-dang-ky-benefits__step-item,
    .page-blog-k9cc-dang-ky-benefits__game-card,
    .page-blog-k9cc-dang-ky-benefits__faq-item {
        padding: 15px;
    }

    .page-blog-k9cc-dang-ky-benefits__list-icon {
        width: 48px;
        height: 48px;
    }

    .page-blog-k9cc-dang-ky-benefits__step-item {
        padding-left: 60px;
    }

    .page-blog-k9cc-dang-ky-benefits__step-item::before {
        width: 30px;
        height: 30px;
        font-size: 1rem;
        left: 15px;
        top: 15px;
    }

    .page-blog-k9cc-dang-ky-benefits img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-blog-k9cc-dang-ky-benefits__section,
    .page-blog-k9cc-dang-ky-benefits__card,
    .page-blog-k9cc-dang-ky-benefits__container,
    .page-blog-k9cc-dang-ky-benefits__hero-section,
    .page-blog-k9cc-dang-ky-benefits__introduction-section,
    .page-blog-k9cc-dang-ky-benefits__registration-process-section,
    .page-blog-k9cc-dang-ky-benefits__promotions-section,
    .page-blog-k9cc-dang-ky-benefits__games-section,
    .page-blog-k9cc-dang-ky-benefits__security-section,
    .page-blog-k9cc-dang-ky-benefits__faq-section,
    .page-blog-k9cc-dang-ky-benefits__conclusion-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow-x: hidden;
    }

    /* Video specific responsive styles (even if no video on this page, general rule) */
    .page-blog-k9cc-dang-ky-benefits video,
    .page-blog-k9cc-dang-ky-benefits__video {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
      display: block !important;
    }

    .page-blog-k9cc-dang-ky-benefits__video-section,
    .page-blog-k9cc-dang-ky-benefits__video-container,
    .page-blog-k9cc-dang-ky-benefits__video-wrapper {
      max-width: 100% !important;
      width: 100% !important;
      box-sizing: border-box !important;
      padding-left: 15px;
      padding-right: 15px;
      overflow: hidden !important;
    }

    /* Content area images must not be smaller than 200px */
    .page-blog-k9cc-dang-ky-benefits__introduction-section img,
    .page-blog-k9cc-dang-ky-benefits__registration-process-section img,
    .page-blog-k9cc-dang-ky-benefits__promotions-section img,
    .page-blog-k9cc-dang-ky-benefits__games-section img,
    .page-blog-k9cc-dang-ky-benefits__security-section img {
        min-width: 200px; /* Enforce minimum size for content images */
        min-height: 200px;
    }
}