/* ============================================================
 * 悦互动官网 - 样式文件
 * 文件: css/pages/lists_article_news.css
 * 悦多网络版权所有 © YueDuo Network. All Rights Reserved.
 * ============================================================ */

/* lists_article_news.html 页面专属样式（自内联 <style> 抽离） */
/* ===== 产品功能页专用样式 ===== */
.page-hero {
    position: relative;
    padding: 180px 0 110px;
    text-align: center;
    overflow: hidden;
    background: #0a0e27;
}
/* 视频背景 */
.page-hero-video {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}
.page-hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
/* 亮度降低遮罩 */
.page-hero-dim {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: rgba(10, 14, 39, 0.55);
}
.page-hero-inner {
    position: relative;
    z-index: 2;
}
.page-hero h1 {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.page-hero h1 span {
    background: linear-gradient(135deg, #2563EB 0%, #7C3AED 50%, #EC4899 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.page-hero p {
    font-size: 16px;
    color: rgba(255,255,255,0.7);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.7;
}

/* 功能导航 */
.func-nav { position: relative; z-index: 2;
    position: sticky;
    top: 64px;
    z-index: 100;
    background: #FFFFFF;
    border-bottom: 1px solid #E2E8F0;
    padding: 14px 0;
}
.func-nav-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
}
.func-nav-inner::-webkit-scrollbar { display: none; }
.func-tab {
    flex-shrink: 0;
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 500;
    color: #64748B;
    background: #F1F5F9;
    border-radius: 9999px;
    transition: all 0.25s ease;
    white-space: nowrap;
}
.func-tab:hover { background: #DBEAFE; color: #2563EB; }
.func-tab.active {
    background: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(37,99,235,0.25);
}

/* 分类区域 */
.product-category { position: relative; z-index: 1; padding: 48px 0; background: rgba(255,255,255,0.45); overflow: hidden; }

                .category-header { position: relative; z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}
.category-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}
.category-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}
.category-title {
    font-size: 24px;
    font-weight: 700;
    color: #0F172A;
    letter-spacing: -0.01em;
}
.category-count {
    font-size: 13px;
    font-weight: 500;
    color: #94A3B8;
    background: #F1F5F9;
    padding: 5px 12px;
    border-radius: 9999px;
}

/* 覆盖 style.css 中的滚动动画隐藏 */
.product-card {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* CTA */
.page-cta {
    padding: 72px 0;
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, rgba(59,130,246,0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(139,92,246,0.12) 0%, transparent 50%);
}
.page-cta-inner { position: relative; z-index: 1; }
.page-cta h2 {
    font-size: 32px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}
.page-cta p {
    font-size: 16px;
    color: #94A3B8;
    margin-bottom: 28px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}


/* ===== 功能介绍页专用样式 ===== */
.feature-detail-hero {
    padding: 180px 0 110px;
    text-align: center;
    background: linear-gradient(135deg, #2563EB 0%, #4F46E5 50%, #7C3AED 100%);
    color: #fff;
}
.feature-detail-hero h1 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
    color: #fff;
}
.feature-detail-hero h1 span {
    color: #FBBF24;
}
.feature-hero-sub {
    font-size: 18px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 28px;
}
.feature-hero-tags {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.f-tag {
    padding: 8px 18px;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 999px;
    font-size: 14px;
    color: #fff;
    backdrop-filter: blur(4px);
}
.feature-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 40px;
    padding: 40px 0 60px;
}
.feature-sidebar {
    position: sticky;
    top: 84px;
    height: fit-content;
    border-right: 1px solid var(--color-border-light);
    padding-right: 20px;
}
.sidebar-group {
    margin-bottom: 24px;
}
.sidebar-group:last-child {
    margin-bottom: 0;
}
.sidebar-group h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-text);
    padding: 10px 14px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-md);
    margin-bottom: 6px;
}
.sidebar-group a {
    display: block;
    padding: 8px 14px;
    font-size: 13px;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all 0.2s;
}
.sidebar-group a:hover {
    color: var(--color-primary);
}
.sidebar-group a.active {
    color: var(--color-primary);
    font-weight: 600;
}
.feature-main {
    min-width: 0;
}
.feature-showcase {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 48px;
}
.feature-visual img {
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: block;
}

/* 悦多网络版权所有 */
/* 轮播 */
.carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}
.carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}
.carousel-slide {
    min-width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: none;
}
.carousel-slide.active {
    opacity: 1;
    display: block;
}
.carousel-slide img {
    width: 100%;
    border-radius: var(--radius-lg);
    display: block;
}
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(0,0,0,0.35);
    color: #fff;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    transition: all 0.2s;
    z-index: 2;
}
.carousel-arrow:hover {
    background: rgba(0,0,0,0.5);
    color: #fff;
}
.carousel-prev { left: 12px; }
.carousel-next { right: 12px; }
.carousel-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}
.carousel-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0,0,0,0.25);
    cursor: pointer;
    transition: all 0.3s;
}
.carousel-dots .dot.active {
    background: var(--color-primary);
    width: 20px;
    border-radius: 4px;
}

.feature-meta h2 {
    font-size: 25px;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 12px;
}
.feature-lead {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.feature-actions {
    display: flex;
    gap: 12px;
}
.feature-section {
    margin-bottom: 48px;
}
.feature-section > h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border-light);
}
/* 特性文本 */
.feature-text p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 14px;
}
.feature-text p:last-child {
    margin-bottom: 0;
}

/* FAQ */
.feature-faq .faq-row {
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border-light);
}
.feature-faq .faq-row:last-child {
    border-bottom: none;
}
.feature-faq .faq-q {
    color: var(--color-text);
    font-size: 15px;
    margin-bottom: 6px;
}
.feature-faq .faq-a {
    color: var(--color-text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* 特性文本 */
.feature-text p {
    font-size: 15px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 14px;
}
.feature-text p:last-child {
    margin-bottom: 0;
}
/* 案例推荐 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.case-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-card);
    background: #fff;
}
.case-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    display: block;
}
.case-title {
    padding: 14px 16px 4px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}
.case-desc {
    padding: 0 16px 14px;
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}
/* 底部 CTA */
.feature-cta {
    text-align: center;
    padding: 40px 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #1E40AF 100%);
    border-radius: var(--radius-lg);
    color: #fff;
    position: relative;
    overflow: hidden;
}
.feature-cta h3 {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}
.feature-cta p {
    font-size: 15px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}
@media (max-width: 1024px) {
    .feature-layout {
        grid-template-columns: 1fr;
        gap: 32px;
        padding: 32px 0 48px;
    }
    .feature-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 16px;
    }
    .feature-showcase {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .feature-detail-hero { padding: 100px 0 60px; }
    .feature-detail-hero h1 {
        font-size: clamp(14px, 4.5vw, 20px);
        margin-bottom: 8px;
        white-space: nowrap;
    }
    .feature-hero-sub {
        font-size: clamp(12px, 3.5vw, 14px);
        margin-bottom: 12px;
    }
    .feature-hero-tags {
        gap: clamp(3px, 1vw, 5px);
        flex-wrap: nowrap;
    }
    .f-tag {
        padding: 3px clamp(6px, 1.8vw, 8px);
        font-size: clamp(9px, 2.5vw, 11px);
        white-space: nowrap;
    }
    .feature-sidebar { display: none !important; }
    .feature-layout {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 24px 16px 40px;
    }
    .feature-showcase { gap: 20px; margin-bottom: 28px; }
    .feature-meta h2 { font-size: 20px; margin-bottom: 10px; }
    .feature-lead { font-size: 14px; margin-bottom: 16px; }
    .feature-actions { flex-direction: column; gap: 10px; }
    .feature-actions .btn { width: 100%; text-align: center; justify-content: center; }
    .feature-section { margin-bottom: 28px; }
    .feature-section > h3 {
        font-size: 17px;
        margin-bottom: 14px;
        padding-bottom: 10px;
    }
    .feature-text p { font-size: 14px; line-height: 1.7; margin-bottom: 12px; }
    .case-grid { grid-template-columns: 1fr; gap: 16px; }
    .case-card img { height: 140px; }
    .case-title { padding: 12px 14px 2px; font-size: 14px; }
    .case-desc { padding: 0 14px 12px; font-size: 12px; }
    .feature-cta { padding: 28px 16px; }
    .feature-cta h3 { font-size: 18px; }
    .carousel-arrow { width: 32px; height: 32px; }
}

/* 悦多网络版权所有 */
