/* ========================================
   哇哇智能健身房系统 - 功能模块列表页样式
   ======================================== */

/* ====== Hero区 ====== */
.product-hero {
    position: relative;
    min-height: 320px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 50px 0;
}
.product-hero .hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 25% 50%, rgba(200,22,29,0.2) 0%, transparent 50%),
        radial-gradient(circle at 75% 30%, rgba(200,22,29,0.15) 0%, transparent 40%);
}
.product-hero .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}
.product-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(200,22,29,0.2);
    border: 1px solid rgba(200,22,29,0.4);
    color: #ff6b70;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
}
.product-hero .hero-title {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin: 0 0 12px;
}
.product-hero .hero-desc {
    font-size: 15px;
    color: rgba(255,255,255,0.75);
    line-height: 1.8;
    margin: 0 0 28px;
}
.product-hero .hero-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
}
.product-hero .hero-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.85);
    font-size: 14px;
}
.product-hero .feature-icon {
    font-size: 22px;
}

/* ====== 主布局 ====== */
.product-container {
    padding: 50px 0;
}
.product-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 32px;
    align-items: flex-start;
}

/* ====== 侧边栏 ====== */
.product-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: sticky;
    top: 80px;
}
.sidebar-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.sidebar-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0;
    padding: 16px 20px;
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    border-bottom: 1px solid var(--border);
}
.sidebar-title svg {
    color: var(--primary);
}
.sidebar-menu {
    padding: 12px 0;
}

/* 侧边栏导航树样式 */
.product-treeBox,
.treeBox {
    font-size: 14px;
}
.product-treeBox h3,
.treeBox h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    background: none;
    border: none;
}
.product-treeBox .title-name,
.treeBox .title-name {
    font-size: 14px;
    font-weight: 600;
}
.product-treeBox .item-area,
.treeBox .item-area {
    padding: 0;
}
.product-treeBox .item,
.treeBox .item {
    margin: 0;
    padding: 0;
    border: none;
    background: none;
}
.product-treeBox .item a,
.treeBox .item a {
    display: block;
    padding: 10px 20px;
    color: var(--text-gray);
    font-size: 14px;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.3s;
}
.product-treeBox .item a:hover,
.treeBox .item a:hover {
    color: var(--primary);
    background: var(--primary-bg);
}
.product-treeBox .item.active a,
.treeBox .item.active a {
    color: var(--primary);
    font-weight: 600;
    border-left-color: var(--primary);
    background: var(--primary-bg);
}
.product-treeBox .item.active {
    background: none;
}

/* 温馨提示 */
.tips-card {
    padding: 16px 20px;
}
.tips-content {
    padding: 0;
}
.tips-content p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.7;
    margin: 0 0 8px;
    padding-left: 16px;
    position: relative;
}
.tips-content p::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}
.tips-content p:last-child {
    margin-bottom: 0;
}

/* 快速联系卡片 */
.contact-card {
    padding: 0;
}
.contact-header {
    padding: 16px 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    background: linear-gradient(135deg, #f9fafb 0%, #f3f4f6 100%);
    border-bottom: 1px solid var(--border);
}
.contact-content {
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
}
.contact-icon {
    font-size: 22px;
}
.contact-label {
    font-size: 12px;
    color: var(--text-light);
}
.contact-value {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
}
.contact-item:hover .contact-value {
    color: var(--primary);
}

/* ====== 主内容 ====== */
.product-main {
    min-width: 0;
}

/* 面包屑 */
.breadcrumb-bar {
    margin-bottom: 20px;
}
.breadcrumb {
    font-size: 13px;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    gap: 6px;
}
.breadcrumb a {
    color: var(--text-gray);
    text-decoration: none;
}
.breadcrumb a:hover {
    color: var(--primary);
}
.breadcrumb .sep {
    color: var(--text-light);
}
.breadcrumb .current {
    color: var(--text-dark);
    font-weight: 500;
}
.breadcrumb .current-cat {
    color: var(--primary);
    font-weight: 500;
}

/* 分类介绍 */
.cate-intro {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    margin-bottom: 28px;
    border-left: 4px solid var(--primary);
}
.cate-name {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 10px;
}
.cate-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin: 0;
}

/* ====== 功能卡片网格 ====== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}
.feature-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: all 0.4s ease;
    display: flex;
    flex-direction: column;
}
.feature-card:hover {
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}
.feature-img-wrap {
    position: relative;
    width: 100%;
    padding-top: 60%;
    overflow: hidden;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
}
.feature-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    opacity: 1;
    z-index: 2;
}
.feature-img.is-loading {
    opacity: 0;
}
.feature-card:hover .feature-img {
    transform: scale(1.05);
}
.feature-img-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    z-index: 1;
}
.feature-img-wrap.no-image::before {
    content: '✨';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 48px;
    background: linear-gradient(135deg, #f3f4f6 0%, #e5e7eb 100%);
    z-index: 1;
}
.feature-hover {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(200,22,29,0.3) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 20px;
    opacity: 0;
    transition: opacity 0.3s;
}
.feature-card:hover .feature-hover {
    opacity: 1;
}
.feature-hover span {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 6px 16px;
    background: rgba(0,0,0,0.5);
    border-radius: 20px;
}
.feature-body {
    padding: 20px 24px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.feature-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 10px;
    line-height: 1.4;
}
.feature-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    margin: 0 0 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.feature-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}
.feature-tag {
    font-size: 12px;
    color: var(--primary);
    background: var(--primary-bg);
    padding: 3px 12px;
    border-radius: 12px;
    font-weight: 500;
}
.feature-link {
    font-size: 13px;
    color: var(--primary);
    font-weight: 500;
}
.feature-card:hover .feature-link {
    text-decoration: underline;
}

/* 空状态 */
.feature-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
}
.feature-empty .empty-icon {
    font-size: 56px;
    margin-bottom: 12px;
    opacity: 0.5;
}
.feature-empty p {
    font-size: 15px;
    margin: 0 0 16px;
}
.empty-link {
    display: inline-block;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}
.empty-link:hover {
    text-decoration: underline;
}

/* ====== 分页 ====== */
.pagination-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
}
.pagination {
    display: flex;
    align-items: center;
    gap: 12px;
}
.page-btn {
    display: inline-block;
    padding: 8px 20px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-dark);
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
}
.page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}
.page-info {
    font-size: 14px;
    color: var(--text-gray);
    padding: 0 12px;
}

/* ====== CTA区 ====== */
.cta-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    /*border-radius: var(--radius-xl);*/
    padding: 48px;
    text-align: center;
}
.cta-section h2 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 8px;
}
.cta-section p {
    font-size: 15px;
    color: rgba(255,255,255,0.7);
    margin: 0 0 24px;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
}
.cta-section .btn-outline {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.5);
    color: #fff;
}
.cta-section .btn-outline:hover {
    background: rgba(255,255,255,0.15);
}

/* ====== 响应式 ====== */
@media (max-width: 1200px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 1024px) {
    .product-layout {
        grid-template-columns: 1fr;
    }
    .product-sidebar {
        position: static;
    }
}
@media (max-width: 768px) {
    .product-hero .hero-title {
        font-size: 28px;
    }
    .product-hero .hero-features {
        gap: 16px;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .cta-section {
        padding: 32px 24px;
    }
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}