/* 博客列表页样式 - PC端 */

/* 动态背景球 */
.bg-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px) saturate(1.2);
    opacity: 0.5;
    z-index: 0;
    transition: all 0.8s ease;
}

.bg-blob-1 {
    width: 550px;
    height: 550px;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--accent-color) 100%);
    top: -120px;
    right: -120px;
    animation: float 7s ease-in-out infinite;
}

.bg-blob-2 {
    width: 450px;
    height: 450px;
    background: linear-gradient(135deg, var(--gradient-end) 0%, var(--accent-color) 100%);
    bottom: 8%;
    left: -120px;
    animation: float 9s ease-in-out infinite reverse;
}

/* 页面标题区域 */
.blog-page-header {
    position: relative;
    padding: 162px 20px 54px;
    text-align: center;
    z-index: 1;
    background: radial-gradient(ellipse at 50% 50%, rgba(5, 175, 181, 0.05) 0%, transparent 70%);
}

/* ========== 主体布局（侧边栏 + 内容区） ========== */
.blog-layout {
    position: relative;
    display: flex;
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 40px 60px;
    z-index: 1;
}

/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.breadcrumb-item {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb-item:hover {
    color: var(--primary-color);
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 500;
}

.breadcrumb-separator {
    color: var(--text-muted);
}

/* ========== 左侧边栏 ========== */
.blog-sidebar {
    width: 240px;
    flex-shrink: 0;
    position: sticky;
    top: 100px;
    height: fit-content;
}

.blog-sidebar-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 2px solid rgba(5, 175, 181, 0.15);
}

/* 分类链接列表 */
.blog-categories {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.blog-category-link {
    display: block;
    padding: 12px 20px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    background: transparent;
    border: 2px solid transparent;
}

.blog-category-link:hover {
    background: rgba(5, 175, 181, 0.08);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.blog-category-link.active {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(5, 175, 181, 0.3);
}

/* 侧边栏产品推荐卡片 */
.blog-recommend-card {
    border-radius: 20px;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.blog-recommend-header {
    display: flex;
    align-items: center;
    gap: 14px;
}

.blog-recommend-avatar {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    object-fit: cover;
    flex-shrink: 0;
    border: 1px solid var(--primary-color);
    background: linear-gradient(135deg, rgba(5, 175, 181, 0.1) 0%, rgba(109, 207, 222, 0.1) 100%);
    box-shadow: 0 0 0 4px rgba(5, 175, 181, 0.12);
}

.blog-recommend-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin: 0;
}

.blog-recommend-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========== 右侧主内容区 ========== */
.blog-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ========== 文章卡片 ========== */
.blog-card {
    border-radius: 22px;
    padding: 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.blog-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow:
        0 12px 40px rgba(0, 0, 0, 0.12),
        0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-light);
    background: rgba(255, 255, 255, 0.88);
}

/* 文章元信息（时间 + 分类） */
.blog-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.blog-card-category {
    display: inline-block;
    padding: 4px 14px;
    background: linear-gradient(135deg, rgba(5, 175, 181, 0.1) 0%, rgba(109, 207, 222, 0.1) 100%);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

/* 文章标题 */
.blog-card-title {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
    margin: 0;
}

.blog-card-title a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

.blog-card-title a:hover {
    color: var(--primary-color);
}

/* 文章摘要 */
.blog-card-excerpt {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 分页 ========== */
.blog-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 40px 0 20px;
}

.blog-page-btn {
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(200, 200, 200, 0.3);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.blog-page-btn:hover {
    background: rgba(5, 175, 181, 0.08);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.blog-page-btn[aria-disabled="true"] {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.blog-page-numbers {
    display: flex;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.blog-page-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    border: 2px solid rgba(200, 200, 200, 0.3);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.blog-page-num:hover {
    background: rgba(5, 175, 181, 0.08);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.blog-page-num.active {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 16px rgba(5, 175, 181, 0.3);
}

/* ========== 联系销售模态框 ========== */
.contact-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.contact-modal {
    position: relative;
    width: 380px;
    max-width: 90vw;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 24px;
    padding: 40px 36px 36px;
    box-shadow:
        0 16px 56px rgba(0, 0, 0, 0.18),
        0 4px 16px rgba(0, 0, 0, 0.08);
    transform: translateY(20px) scale(0.96);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-modal-overlay.active .contact-modal {
    transform: translateY(0) scale(1);
}

.contact-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 36px;
    height: 36px;
    border: none;
    background: rgba(0, 0, 0, 0.06);
    border-radius: 50%;
    font-size: 22px;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-modal-close:hover {
    background: rgba(0, 0, 0, 0.12);
    color: var(--text-primary);
}

.contact-modal-body {
    text-align: center;
}

.contact-modal-qr {
    width: 200px;
    height: 200px;
    margin: 0 auto 24px;
    border-radius: 16px;
    overflow: hidden;
    border: 2px solid rgba(5, 175, 181, 0.15);
    background: rgba(5, 175, 181, 0.03);
}

.contact-modal-qr img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.contact-modal-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-modal-name {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.contact-modal-tip {
    font-size: 14px;
    color: var(--text-muted);
}

.contact-modal-tip strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* 动画 */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.delay-1s { animation-delay: 0.2s; }
.delay-2s { animation-delay: 0.4s; }
.delay-3s { animation-delay: 0.6s; }
.delay-4s { animation-delay: 0.8s; }

/* 响应式设计 */
@media (max-width: 1024px) {
    .blog-layout {
        padding: 100px 20px 60px;
        gap: 24px;
    }

    .blog-sidebar {
        width: 200px;
    }

    .blog-card-title {
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    .blog-layout {
        flex-direction: column;
        padding: 100px 16px 40px;
        gap: 20px;
    }

    .blog-sidebar {
        width: 100%;
        position: static;
    }

    .blog-categories {
        flex-direction: row;
        overflow-x: auto;
        gap: 8px;
        padding-bottom: 8px;
    }

    .blog-category-link {
        white-space: nowrap;
        padding: 8px 20px;
        font-size: 14px;
    }

    .blog-recommend-card {
        order: 1;
    }

    .blog-card {
        padding: 24px;
    }

    .blog-card-title {
        font-size: 18px;
    }
}