/* ============================================================
   首页专属样式
   ============================================================ */

/* 统一板块布局 */
.section-wrapper {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 60px);
}

.section-header {
    padding-bottom: var(--spacing-lg);
}

.section-footer {
    display: flex;
    justify-content: center;
    padding-top: var(--spacing-lg);
}

@media (max-width: 576px) {
    .section-header {
        margin-bottom: 0;
    }

    .section-footer {
        justify-content: center !important;
    }
}

/* 首页场景卡片 */
.scene-fullwidth {
    width: 100%;
}

.scene-card {
    display: block;
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--bg-card);
    text-decoration: none;
}

.scene-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(60%);
    transition: all 0.4s ease;
}

.scene-card:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.scene-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(12, 11, 9, 0.95) 0%, rgba(12, 11, 9, 0.3) 60%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-md);
    transition: all 0.4s ease;
}

.scene-card:hover .scene-card-overlay {
    background: linear-gradient(to top, rgba(12, 11, 9, 0.98) 0%, rgba(12, 11, 9, 0.5) 70%, rgba(212, 175, 55, 0.1) 100%);
}

.scene-card-name {
    font-family: 'Playfair Display', serif;
    font-size: var(--font-xl);
    color: #fff;
}

.scene-card-arrow {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    color: var(--gold);
    font-size: 1.2rem;
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.scene-card:hover .scene-card-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* 热门产品横向滚动卡片 */
.hot-products-fullwidth {
    width: 100%;
    padding: 0 max(5vw, 60px);
}

.hot-products-scroll {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.hot-products-scroll::-webkit-scrollbar {
    display: none;
}

.hot-products-track {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    padding-left: max(5vw, 60px);
    box-sizing: content-box;
}

.hot-products-track.auto-scroll {
    animation: scrollLeft 30s linear infinite;
}

@keyframes scrollLeft {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.hot-product-card {
    flex: 0 0 300px;
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.4s ease;
    border-radius: var(--radius-md);
}

.hot-product-card:hover {
    border-color: var(--gold);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.hot-product-image {
    position: relative;
    aspect-ratio: 1/1;
    overflow: hidden;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.hot-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: all 0.4s ease;
}

.hot-product-card:hover .hot-product-image img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

.hot-product-overlay {
    position: absolute;
    inset: 0;
    background: rgba(12, 11, 9, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hot-product-card:hover .hot-product-overlay {
    opacity: 1;
}

.hot-product-view {
    padding: 10px 20px;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-size: var(--font-sm);
}

.hot-product-info {
    padding: var(--spacing-md);
}

.hot-product-sub {
    font-size: 0.7rem;
    color: var(--gold);
    letter-spacing: 0.1em;
}

.hot-product-name {
    font-family: 'Playfair Display', serif;
    font-size: var(--font-lg);
    color: #000;
    margin: 8px 0;
}

.hot-product-desc {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.hot-product-price {
    font-size: var(--font-lg);
    color: var(--gold);
    font-weight: 600;
}

/* 初心专栏4列全屏 */
.column-fullwidth {
    width: 100%;
}

.column-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    width: 100%;
}

.column-grid-item {
    border-right: 1px solid var(--border);
}

.column-grid-item:last-child {
    border-right: none;
}

.column-full-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.4s ease;
}

.column-full-card:last-child {
    border-right: none;
}

.column-full-card:hover {
    background: var(--bg-card-hover);
}

.column-full-image {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    flex-shrink: 0;
}

.column-full-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(30%);
    transition: all 0.4s ease;
}

.column-full-card:hover .column-full-image img {
    filter: grayscale(0%);
    transform: scale(1.03);
}

.column-full-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 12px;
    background: var(--gold);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.column-full-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.column-full-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    color: #fff;
    margin-bottom: 12px;
    line-height: 1.4;
    transition: color 0.3s ease;
}

.column-full-card:hover .column-full-title {
    color: var(--gold);
}

.column-full-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.column-full-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.column-full-read {
    color: var(--gold);
    opacity: 0;
    transform: translateX(-5px);
    transition: all 0.3s ease;
}

.column-full-card:hover .column-full-read {
    opacity: 1;
    transform: translateX(0);
}

/* 品牌使命 */
.brand-mission {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--gold-muted);
    border-left: 3px solid var(--gold);
    border-radius: var(--radius-md);
}

.mission-label {
    display: block;
    font-size: 0.75rem;
    color: var(--gold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.mission-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: var(--font-base);
    color: var(--text-warm);
    margin-bottom: 8px;
}

.mission-item:last-child {
    margin-bottom: 0;
}

.mission-item i {
    color: var(--gold);
    font-size: 0.8rem;
}

/* 品牌使命 */
.brand-mission-box {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 0;
    margin: 20px 0;
}

.mission-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, transparent, #009380, transparent);
}

.mission-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mission-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mission-icon-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(0, 147, 128, 0.1), rgba(0, 147, 128, 0.05));
    border-radius: 50%;
    color: #009380;
}

.mission-text {
    font-size: 1.1rem;
    color: #009380;
    font-weight: 500;
}

/* 响应式适配 */
@media (max-width: 992px) {
    .scene-card {
        aspect-ratio: 3/2;
    }
    .hot-product-card {
        flex: 0 0 260px;
    }
    .column-full-card {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}

/* ===================== 初心专栏（新布局） ===================== */
.column-section {
    /* background 由父级 section#column 控制 */
}

.column-header-wrap {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.column-full-wrap {
    width: 100%;
}

.column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 左侧大卡片 */
.column-feature-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    height: 100%;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.column-feature-card:hover {
    border-color: var(--border-light);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.column-feature-image {
    position: relative;
    aspect-ratio: 16/14;
    overflow: hidden;
}

.column-feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
    transition: transform 0.5s ease, filter 0.4s ease;
}

.column-feature-card:hover .column-feature-image img {
    transform: scale(1.04);
    filter: grayscale(0%);
}

.column-feature-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(12,11,9,0.8) 0%, transparent 100%);
}

.column-feature-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 14px;
    background: var(--gold);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    z-index: 2;
    border-radius: var(--radius-sm);
}

.column-feature-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.column-feature-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

.column-feature-card:hover .column-feature-title {
    color: var(--gold);
}

.column-feature-excerpt {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.column-feature-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.column-feature-read {
    color: var(--gold);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

/* 右侧文章列表 */
.column-layout-right {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.column-list-item {
    display: flex;
    align-items: center;
    padding: 18px 20px;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    text-decoration: none;
    transition: border-color 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

.column-list-item:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
    transform: translateX(4px);
}

.column-list-body {
    flex: 1;
    min-width: 0;
}

.column-list-category {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.column-list-title {
    font-size: var(--font-md);
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.4;
    margin-bottom: 6px;
    transition: color 0.3s ease;
}

.column-list-item:hover .column-list-title {
    color: var(--gold-light);
}

.column-list-excerpt {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 6px;
}

.column-list-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

.column-list-arrow {
    flex-shrink: 0;
    color: var(--gold);
    font-size: 0.85rem;
    opacity: 0;
    transform: translateX(-4px);
    transition: opacity 0.3s ease, transform 0.3s ease;
    margin-left: 16px;
}

.column-list-item:hover .column-list-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* 初心专栏新布局响应式 */
@media (max-width: 992px) {
    .column-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .column-layout-left {
        order: 1;
    }

    .column-layout-right {
        order: 2;
    }
}

@media (max-width: 576px) {
    .column-section {
        padding: var(--spacing-lg) 0 var(--spacing-md);
    }

    .column-header-wrap {
        margin-bottom: var(--spacing-md);
    }

    .column-full-wrap {
        padding: 0 16px;
    }

    .column-feature-image {
        aspect-ratio: 16/9;
    }

    .column-feature-content {
        padding: var(--spacing-md);
    }

    .column-feature-title {
        font-size: var(--font-lg);
    }

    .column-list-item {
        padding: var(--spacing-sm);
    }
}

#video .video-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    padding: 32px clamp(20px, 5vw, 60px);
}

#video .article-card {
    width: 100%;
    border-radius: 12px;
    position: relative;
    aspect-ratio: 9 / 16;
    overflow: hidden;
    background: #1a1a1f;
    border: 1px solid rgba(255, 255, 255, 0.06);
    text-decoration: none;
    display: block;
    cursor: pointer;
    transition: all 0.4s ease;
}

#video .article-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

#video .article-image {
    height: 100%;
    position: relative;
    overflow: hidden;
    background: #0f0f0f;
}

#video .article-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0) 0%,
        rgba(0, 0, 0, 0.15) 50%,
        rgba(0, 0, 0, 0.7) 100%
    );
    transition: opacity 0.4s ease;
}

#video .article-card:hover .article-image::after {
    opacity: 0.6;
}

#video .article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: none;
    transition: all 0.4s ease;
}

#video .article-card:hover .article-image img {
    transform: scale(1.05);
}

#video .video-play-icon {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 56px;
    height: 56px;
    background: rgba(0, 147, 128, 0.9);
    backdrop-filter: blur(8px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1rem;
    transition: all 0.3s ease;
    z-index: 3;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

#video .video-play-icon.small {
    width: 50px;
    height: 50px;
    font-size: 0.85rem;
    background: rgba(0, 147, 128, 0.85);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

#video .article-card:hover .video-play-icon {
    transform: translate(-50%, -50%) scale(1.12);
    background: var(--primary);
    box-shadow: 0 8px 32px rgba(0, 147, 128, 0.5);
    border-color: rgba(255, 255, 255, 0.4);
}

#video .article-info {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 14px 12px;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.85) 100%);
    z-index: 2;
}

#video .article-title {
    font-family: 'Noto Serif SC', 'Playfair Display', serif;
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.5;
    color: #fff;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

#video .article-duration {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.75);
    color: #fff;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 4px;
    z-index: 3;
    font-family: 'Space Grotesk', monospace;
    letter-spacing: 0.02em;
}

@media (max-width: 1200px) {
    #video .video-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    #video .video-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 576px) {
    #video .video-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 16px 12px;
    }
}