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

/* Cấu trúc chung */
.page-news {
    font-family: 'Arial', sans-serif;
    color: var(--page-news-text-main); /* Mặc định chữ sáng trên nền tối */
    background-color: var(--card-bg); /* Giả định body background là tối */
}

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

.page-news__section {
    padding: 60px 0;
    position: relative;
    overflow: hidden;
}

.page-news__section-title {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: bold;
    text-align: center;
    margin-bottom: 40px;
    color: var(--page-news-gold-color);
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-news__sub-title {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 600;
    color: var(--page-news-text-main);
    margin-top: 30px;
    margin-bottom: 15px;
    text-align: left;
}

.page-news p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 15px;
    color: var(--page-news-text-secondary);
}

.page-news strong {
    color: var(--page-news-text-main);
}

.page-news__content-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.page-news__content-image {
    width: 100%;
    height: auto;
    display: block;
    margin: 30px auto;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* Hero Section */
.page-news__hero-section {
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    text-align: center;
    position: relative;
    background-color: var(--page-news-deep-navy-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.page-news__hero-image {
    width: 100%;
    position: relative;
    height: 600px; /* Fixed height for desktop */
    overflow: hidden;
    margin-bottom: 30px;
}

.page-news__hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.page-news__hero-content {
    position: relative; /* Ensure content is above other elements */
    z-index: 1;
    max-width: 900px;
    padding: 0 20px;
}

.page-news__main-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 900;
    color: var(--page-news-gold-color);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 0 15px rgba(242, 193, 78, 0.7);
}

.page-news__description {
    font-size: 19px;
    line-height: 1.6;
    color: var(--page-news-text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-news__cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: var(--page-news-button-gradient);
    color: var(--page-news-text-main);
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-news__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    opacity: 0.9;
}

.page-news__btn-primary {
    background: var(--page-news-button-gradient);
    color: var(--page-news-text-main);
    border: none;
}

.page-news__btn-secondary {
    background: var(--page-news-deep-navy-color);
    color: var(--page-news-gold-color);
    border: 2px solid var(--page-news-gold-color);
}

.page-news__btn-secondary:hover {
    background: var(--page-news-gold-color);
    color: var(--page-news-deep-navy-color);
}

/* News List Section */
.page-news__news-list-section {
    background-color: var(--page-news-card-bg);
    padding: 80px 0;
}

.page-news__news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.page-news__news-card {
    background: var(--page-news-deep-navy-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--page-news-border-color);
}

.page-news__news-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.page-news__card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.page-news__card-content {
    padding: 25px;
}

.page-news__card-title {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.4;
}

.page-news__card-title a {
    color: var(--page-news-gold-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-news__card-title a:hover {
    color: var(--page-news-glow-color);
}

.page-news__card-meta {
    font-size: 14px;
    color: var(--page-news-text-secondary);
    margin-bottom: 15px;
}

.page-news__card-summary {
    font-size: 16px;
    color: var(--page-news-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.page-news__card-link {
    display: inline-block;
    color: var(--page-news-secondary-color);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-news__card-link:hover {
    color: var(--page-news-glow-color);
}

.page-news__view-all {
    text-align: center;
    margin-top: 40px;
}

/* Why News Section */
.page-news__why-news-section {
    background-color: var(--page-news-deep-navy-color);
    padding: 80px 0;
    color: var(--page-news-text-secondary);
}

.page-news__why-news-section .page-news__section-title {
    color: var(--page-news-gold-color);
}

.page-news__why-news-section p {
    color: var(--page-news-text-secondary);
}

/* Commitment Section */
.page-news__commitment-section {
    background-color: var(--page-news-card-bg);
    padding: 80px 0;
    text-align: center;
    color: var(--page-news-text-secondary);
}

.page-news__commitment-section .page-news__section-title {
    color: var(--page-news-gold-color);
}

.page-news__commitment-section p {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 25px;
    color: var(--page-news-text-secondary);
}

.page-news__commitment-section .page-news__cta-button {
    margin-top: 30px;
    margin-bottom: 40px;
}

/* FAQ Section */
.page-news__faq-section {
    background-color: var(--page-news-deep-navy-color);
    padding: 80px 0;
}

.page-news__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

details.page-news__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid var(--page-news-border-color);
    overflow: hidden;
    background: var(--page-news-deep-navy-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

details.page-news__faq-item summary.page-news__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    cursor: pointer;
    user-select: none;
    list-style: none;
    transition: background-color 0.3s ease;
    background: var(--page-news-primary-color);
}

details.page-news__faq-item summary.page-news__faq-question::-webkit-details-marker {
    display: none;
}

details.page-news__faq-item summary.page-news__faq-question:hover {
    background: var(--page-news-secondary-color);
}

.page-news__faq-qtext {
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    text-align: left;
    color: var(--page-news-text-main);
}

.page-news__faq-toggle {
    font-size: 28px;
    font-weight: bold;
    color: var(--page-news-gold-color);
    flex-shrink: 0;
    margin-left: 20px;
    width: 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

details[open] .page-news__faq-toggle {
    transform: rotate(45deg);
}

details.page-news__faq-item .page-news__faq-answer {
    padding: 20px 25px 25px;
    background: var(--page-news-card-bg);
    border-top: 1px solid var(--page-news-divider-color);
    border-radius: 0 0 8px 8px;
}

details.page-news__faq-item .page-news__faq-answer p {
    color: var(--page-news-text-secondary);
    font-size: 16px;
    line-height: 1.7;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-news__hero-image {
        height: 500px;
    }
    .page-news__main-title {
        font-size: clamp(32px, 4.5vw, 48px);
    }
    .page-news__description {
        font-size: 18px;
    }
    .page-news__news-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
    .page-news__card-title {
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    .page-news__container {
        padding: 0 15px !important;
    }
    .page-news__section {
        padding: 40px 0 !important;
    }
    .page-news__section-title {
        font-size: clamp(24px, 6vw, 36px);
        margin-bottom: 30px;
    }
    .page-news__sub-title {
        font-size: clamp(20px, 5vw, 28px);
        margin-top: 25px;
        margin-bottom: 10px;
    }
    .page-news p {
        font-size: 16px;
        line-height: 1.7;
    }

    /* HERO 主图区域 */
    .page-news__hero-section {
        padding-top: 10px !important; /* Approx 10px top padding */
        padding-bottom: 40px;
    }
    .page-news__hero-image {
        height: auto !important; /* Allow height to adjust */
        aspect-ratio: unset !important; /* No fixed aspect ratio */
        margin-bottom: 20px;
    }
    .page-news__hero-image img {
        object-fit: contain !important; /* Prevent cropping on mobile */
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-news__hero-content {
        padding: 0 10px;
    }
    .page-news__main-title {
        font-size: clamp(28px, 7vw, 40px);
        margin-bottom: 15px;
    }
    .page-news__description {
        font-size: 16px;
        margin-bottom: 25px;
    }

    /* 通用图片与容器 */
    .page-news img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-news__content-image {
        margin: 20px auto;
    }
    .page-news__section,
    .page-news__card,
    .page-news__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* 按钮与按钮容器 */
    .page-news__cta-button,
    .page-news__btn-primary,
    .page-news__btn-secondary,
    .page-news a[class*="button"],
    .page-news a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding: 12px 20px !important;
        font-size: 16px !important;
    }
    .page-news__view-all {
        margin-top: 30px;
    }
    .page-news__cta-buttons,
    .page-news__button-group,
    .page-news__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
    }
    .page-news__news-grid {
        grid-template-columns: 1fr;
    }

    /* FAQ Section */
    details.page-news__faq-item summary.page-news__faq-question {
        padding: 15px !important;
    }
    .page-news__faq-qtext {
        font-size: 16px !important;
    }
    .page-news__faq-toggle {
        font-size: 24px !important;
        margin-left: 15px;
        width: 25px;
    }
    details.page-news__faq-item .page-news__faq-answer {
        padding: 15px !important;
    }
    details.page-news__faq-item .page-news__faq-answer p {
        font-size: 15px;
    }
}