:root {
    --Primary-Color: #113B7A;
    --Auxiliary-Color: #1D5FD1;
    --Button-Color: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
    --Card-BG: #10233F;
    --Text-Main: #F3F8FF;
    --Text-Secondary: #AFC4E8;
    --Border-Color: #244D84;
    --Glow: #4FA8FF;
    --Gold: #F2C14E;
    --Divider: #1B3357;
    --Deep-Navy: #08162B;
}

/* Base styles for the news page */
.page-news {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--Text-Main);
    background-color: var(--Deep-Navy);
}

/* Container for content width */
.page-news__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

/* Hero Section */
.page-news__hero-section {
    position: relative;
    overflow: hidden;
    padding-top: 10px; /* Small top padding, relying on body padding-top for header offset */
    padding-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: var(--Deep-Navy);
}

.page-news__hero-image-wrapper {
    width: 100%;
    max-height: 500px;
    overflow: hidden;
    margin-bottom: 30px;
}

.page-news__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 8px;
}

.page-news__hero-content {
    max-width: 900px;
    padding: 0 20px;
}

.page-news__main-title {
    font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--Text-Main);
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.page-news__description {
    font-size: 1.1rem;
    color: var(--Text-Secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* CTA Button */
.page-news__cta-button {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    background: var(--Button-Color);
    color: var(--Text-Main);
    border: none;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-news__cta-button:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

/* Section Titles */
.page-news__section-title {
    font-size: clamp(1.8rem, 3vw + 1rem, 2.8rem);
    font-weight: 700;
    color: var(--Text-Main);
    text-align: center;
    margin-bottom: 25px;
    margin-top: 60px;
}

.page-news__section-intro {
    font-size: 1.1rem;
    color: var(--Text-Secondary);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 50px auto;
}

/* Latest News Section */
.page-news__latest-news-section {
    padding: 80px 0;
    background-color: var(--Deep-Navy);
}

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

.page-news__news-card {
    background-color: var(--Card-BG);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.page-news__news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-news__card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

.page-news__card-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--Text-Main);
    padding: 20px 25px 10px;
    line-height: 1.3;
}

.page-news__card-text {
    font-size: 1rem;
    color: var(--Text-Secondary);
    padding: 0 25px 20px;
    flex-grow: 1;
}

.page-news__card-link {
    display: inline-block;
    color: var(--Auxiliary-Color);
    text-decoration: none;
    font-weight: 600;
    padding: 0 25px 25px;
    transition: color 0.3s ease;
}

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

/* Analysis Section */
.page-news__analysis-section {
    padding: 80px 0;
    background-color: var(--Deep-Navy);
}

.page-news__article-content {
    background-color: var(--Card-BG);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-news__article-subtitle {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--Text-Main);
    margin-top: 30px;
    margin-bottom: 15px;
}

.page-news__article-content p {
    font-size: 1rem;
    color: var(--Text-Secondary);
    margin-bottom: 20px;
}

/* Guide Section */
.page-news__guide-section {
    padding: 80px 0;
    background-color: var(--Deep-Navy);
}

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

.page-news__guide-item {
    background-color: var(--Card-BG);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.page-news__guide-subtitle {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--Text-Main);
    margin-bottom: 15px;
    line-height: 1.3;
}

.page-news__guide-item p {
    font-size: 1rem;
    color: var(--Text-Secondary);
    flex-grow: 1;
}

/* FAQ Section */
.page-news__faq-section {
    margin-top: 60px;
}

.page-news__faq-main-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--Text-Main);
    text-align: center;
    margin-bottom: 30px;
}

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

.page-news__faq-item {
    background-color: var(--Card-BG);
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.page-news__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--Text-Main);
    cursor: pointer;
    background-color: var(--Card-BG);
    border-bottom: 1px solid var(--Divider);
    list-style: none;
}

.page-news__faq-item summary::-webkit-details-marker,
.page-news__faq-item summary::marker {
    display: none;
    content: "";
}

.page-news__faq-qtext {
    flex-grow: 1;
    margin-right: 15px;
}

.page-news__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    transition: transform 0.3s ease;
}

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

.page-news__faq-answer {
    padding: 0 25px 20px;
    font-size: 1rem;
    color: var(--Text-Secondary);
    line-height: 1.7;
}

/* Conclusion Section */
.page-news__conclusion-section {
    padding: 80px 0;
    text-align: center;
    background-color: var(--Deep-Navy);
}

/* General image responsiveness */
.page-news img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .page-news__container {
        padding: 15px;
    }

    .page-news__hero-content {
        padding: 0 15px;
    }

    .page-news__main-title {
        font-size: clamp(2rem, 5vw + 1rem, 3rem);
    }

    .page-news__section-title {
        font-size: clamp(1.6rem, 4vw + 1rem, 2.5rem);
    }

    .page-news__news-grid,
    .page-news__guide-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    .page-news__card-image {
        height: 200px;
    }

    .page-news__article-content {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    /* HERO 主图区域 */
    .page-news__hero-section {
        padding-top: 10px !important;
        padding-bottom: 30px !important;
    }
    
    .page-news__hero-image-wrapper {
        max-height: 300px !important;
        margin-bottom: 20px !important;
    }

    .page-news__hero-image {
        width: 100% !important;
        height: auto !important;
    }

    .page-news__main-title {
        font-size: clamp(1.8rem, 6vw + 1rem, 2.8rem) !important;
        margin-bottom: 10px !important;
    }

    .page-news__description {
        font-size: 1rem !important;
        margin-bottom: 20px !important;
    }

    /* 通用图片与容器 */
    .page-news img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    
    .page-news__container,
    .page-news__latest-news-section,
    .page-news__analysis-section,
    .page-news__guide-section,
    .page-news__conclusion-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    /* 按钮与按钮容器 */
    .page-news__cta-button {
        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: 1rem !important;
    }

    .page-news__section-title {
        font-size: clamp(1.5rem, 5vw + 1rem, 2.2rem) !important;
        margin-top: 40px !important;
        margin-bottom: 20px !important;
    }

    .page-news__section-intro {
        font-size: 0.95rem !important;
        margin-bottom: 30px !important;
    }

    .page-news__news-grid,
    .page-news__guide-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }

    .page-news__news-card,
    .page-news__guide-item {
        margin-bottom: 20px !important;
    }

    .page-news__card-image {
        height: 180px !important;
    }

    .page-news__card-title {
        font-size: 1.2rem !important;
        padding: 15px 20px 8px !important;
    }

    .page-news__card-text {
        font-size: 0.9rem !important;
        padding: 0 20px 15px !important;
    }

    .page-news__card-link {
        padding: 0 20px 20px !important;
    }

    .page-news__article-content {
        padding: 25px !important;
    }

    .page-news__article-subtitle {
        font-size: 1.4rem !important;
        margin-top: 25px !important;
        margin-bottom: 10px !important;
    }

    .page-news__article-content p {
        font-size: 0.95rem !important;
        margin-bottom: 15px !important;
    }

    .page-news__faq-main-title {
        font-size: 1.6rem !important;
        margin-bottom: 20px !important;
    }

    .page-news__faq-question {
        padding: 15px 20px !important;
        font-size: 1rem !important;
    }

    .page-news__faq-answer {
        padding: 0 20px 15px !important;
        font-size: 0.95rem !important;
    }

    /* Other content modules - ensure all section/div have padding */
    .page-news__latest-news-section,
    .page-news__analysis-section,
    .page-news__guide-section,
    .page-news__conclusion-section {
        padding-top: 40px !important;
        padding-bottom: 40px !important;
    }
}