:root {
    --page-index-card-bg: #111111;
    --page-index-background: #0A0A0A;
    --page-index-text-main: #FFF6D6;
    --page-index-border: #3A2A12;
    --page-index-glow: #FFD36B;
    --page-index-button-gradient: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%);
}

.page-index {
    color: var(--page-index-text-main); /* Deep dark background, so light text */
    background-color: var(--page-index-background);
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

/* Module 1: HERO主图区域样式 */
.page-index__hero-section {
    position: relative;
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    padding-top: 10px; /* Small top padding, assuming body handles --header-offset */
    margin-top: 0;
    width: 100%;
    box-sizing: border-box;
}

.page-index__hero-container {
    position: relative;
    margin: 0 auto;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.page-index__hero-image {
    width: 100%;
    margin: 0;
}

.page-index__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
}

@media (min-width: 850px) {
    .page-index__hero-image img {
        aspect-ratio: 16/5;
        object-fit: cover;
    }
}

/* 🚨 移动端主图防裁切（必读）：禁止 aspect-ratio + object-fit:cover + max-height 限高组合 */
@media (max-width: 849px) {
    .page-index__hero-section {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        box-sizing: border-box;
    }
    .page-index__hero-image img {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        aspect-ratio: unset !important;
        object-fit: contain !important;
        max-height: none !important;
        display: block !important;
    }
}

/* 🚨 移动端响应式设计（必须严格遵守） */
@media (max-width: 768px) {
    .page-index__hero-section {
        padding-bottom: 0;
        padding-left: 0;
        padding-right: 0;
        padding-top: 10px !important;
        margin-top: 0;
    }
}

/* Module 2: Sản phẩm nổi bật (Product Display Area) */
.page-index__products-section {
    width: 100%;
    padding: 60px 20px;
    box-sizing: border-box;
    background-color: var(--page-index-background);
}

.page-index__products-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

.page-index__products-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: repeat(6, 1fr); /* Desktop: 1 row, 6 columns */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.page-index__product-card {
    width: 100%;
    max-width: 300px; /* Max width for each card */
    border-radius: 0; /* No rounded corners */
    overflow: hidden;
    background: transparent; /* No background */
    box-shadow: none; /* No shadow */
    transition: transform 0.3s ease;
}

.page-index__product-card:hover {
    transform: translateY(-3px);
}

.page-index__product-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.page-index__product-card-image {
    width: 100%;
    max-width: 300px; /* Max width for image container */
    overflow: hidden;
}

.page-index__product-card-image img {
    max-width: 100%;
    width: 100%;
    height: auto; /* Maintain aspect ratio */
    display: block;
}

@media (max-width: 768px) {
    .page-index__products-section {
        padding: 40px 15px;
        width: 100%;
        max-width: 100%;
        overflow-x: hidden; /* Prevent horizontal scroll */
        box-sizing: border-box;
    }
    .page-index__products-container,
    .page-index__products-grid {
        width: 100%;
        max-width: 100%;
        overflow-x: hidden;
        box-sizing: border-box;
    }
    .page-index__products-grid {
        grid-template-columns: repeat(2, 1fr); /* Mobile: 2 columns x 3 rows */
        gap: 15px;
    }
    .page-index__product-card,
    .page-index__product-card-image {
        max-width: 100%;
    }
}

/* Module 3: Tiêu đề chính có trang trí */
.page-index__section-title-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    width: 100%;
    max-width: 100%;
    padding: 24px 12px;
    box-sizing: border-box;
    text-align: center;
    background-color: var(--page-index-background);
}

.page-index__section-title {
    margin: 0;
    font-size: clamp(1.1rem, 4.5vw, 1.75rem); /* Responsive font size */
    line-height: 1.35;
    color: var(--page-index-text-main);
    font-weight: 700;
}

.page-index__section-title-line {
    flex: 1;
    max-width: 80px;
    height: 2px;
    background-color: var(--page-index-glow); /* Use glow color for lines */
    opacity: 0.6;
}

@media (max-width: 768px) {
    .page-index__section-title-line {
        max-width: 40px;
    }
    .page-index__section-title {
        font-size: clamp(1.25rem, 5vw, 1.5rem); /* Adjust clamp for mobile */
    }
}

/* Module 4: Nội dung SEO dài */
.page-index__article-body {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 12px 48px;
    box-sizing: border-box;
    overflow-x: hidden; /* Prevent horizontal scroll */
    background-color: var(--page-index-background);
    color: var(--page-index-text-main);
}

.page-index__article-body h2 {
    margin: 2rem 0 1rem;
    color: var(--page-index-glow); /* Use glow color for main headings */
    font-size: 2rem;
    font-weight: 700;
}

.page-index__article-body h3 {
    margin: 1.25rem 0 0.75rem;
    color: var(--page-index-text-main);
    font-size: 1.5rem;
    font-weight: 600;
}

.page-index__article-body p {
    margin-bottom: 1rem;
    color: var(--page-index-text-main);
}

.page-index__article-body ul {
    list-style-type: disc;
    margin-left: 20px;
    margin-bottom: 1rem;
    color: var(--page-index-text-main);
}

.page-index__article-body li {
    margin-bottom: 0.5rem;
    color: var(--page-index-text-main);
}

.page-index__article-body strong {
    color: var(--page-index-glow);
}

.page-index__article-figure {
    margin: 1.5rem auto;
    max-width: 800px;
    text-align: center;
    background-color: var(--page-index-card-bg); /* Dark background for figures */
    padding: 10px;
    border-radius: 5px;
}

.page-index__article-figure img {
    width: 100%;
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 3px;
}

.page-index__article-figure figcaption {
    margin-top: 10px;
    font-size: 0.9em;
    color: var(--page-index-text-main);
}

.page-index__article-quote {
    margin: 1.5rem 0;
    padding: 1rem 1.25rem;
    border-left: 4px solid var(--page-index-glow); /* Use glow color for border */
    background-color: var(--page-index-card-bg); /* Dark background for quote */
    color: var(--page-index-text-main);
    font-style: italic;
    font-size: 1.1em;
}

.page-index__article-body a {
    color: var(--page-index-glow); /* Links use glow color */
    text-decoration: underline;
}

.page-index__article-body a:hover {
    text-decoration: none;
    opacity: 0.8;
}

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

/* General button styles (for CTA in long text) */
.page-index__cta-button {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    background: var(--page-index-button-gradient);
    color: #ffffff; /* White text for button */
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
    max-width: 100%; /* Ensure button responsive */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

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

/* 🚨 移动端 @media (max-width: 768px) 必写清单 */
@media (max-width: 768px) {
    .page-index__article-body {
        padding: 0 12px 32px;
        font-size: 16px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }
    .page-index__article-body h2 {
        font-size: clamp(1.25rem, 5vw, 1.5rem);
        margin: 1.5rem 0 0.8rem;
    }
    .page-index__article-body h3 {
        font-size: clamp(1.1rem, 4.5vw, 1.25rem);
        margin: 1rem 0 0.6rem;
    }
    .page-index__article-figure {
        max-width: 100% !important;
        padding: 8px;
    }
    .page-index__article-figure img {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
    }
    .page-index__article-quote {
        margin: 1rem 0;
        padding: 0.8rem 1rem;
        font-size: 1em;
    }
    
    /* 通用图片与容器 */
    .page-index img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }
    .page-index__section,
    .page-index__card,
    .page-index__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-index__cta-button,
    .page-index__btn-primary,
    .page-index__btn-secondary,
    .page-index a[class*="button"],
    .page-index 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-left: 15px;
        padding-right: 15px;
    }
    .page-index__cta-buttons,
    .page-index__button-group,
    .page-index__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-index__cta-buttons {
        display: flex;
        flex-direction: column; /* Mobile vertical stacking */
    }
}