/* 文章列表页面 */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.article-card {
    background: var(--bg-white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.article-card.coming-soon {
    opacity: 0.6;
    pointer-events: none;
}

.article-image {
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 4rem;
}

.article-content {
    padding: 1.5rem;
}

.article-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--primary-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.article-content h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.article-content h3 a {
    color: var(--text-color);
}

.article-content h3 a:hover {
    color: var(--primary-color);
}

.article-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

.article-meta span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.article-categories {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.article-categories h3 {
    margin-bottom: 1.5rem;
}

.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.category-tags .tag {
    background: var(--bg-white);
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.category-tags .tag:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* 文章详情页面 */
.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: white;
    opacity: 0.9;
}

.article-breadcrumb a {
    color: white;
}

.article-breadcrumb a:hover {
    text-decoration: underline;
}

.article-meta-main {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 1.5rem;
    opacity: 0.95;
}

.article-meta-main span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-content {
    background: var(--bg-light);
    padding: 3rem 0;
}

.article-content-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 3rem;
}

.article-main {
    background: var(--bg-white);
    padding: 2.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.article-section {
    margin-bottom: 3rem;
}

.article-section h2 {
    font-size: 1.8rem;
    color: var(--text-color);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.article-section h2 i {
    color: var(--primary-color);
}

.article-section h3 {
    font-size: 1.4rem;
    color: var(--text-color);
    margin: 1.5rem 0 1rem;
}

.article-section p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.article-section ul {
    margin-bottom: 1rem;
}

.article-section ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.7;
}

.article-section ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 价格卡片 */
.price-factors {
    margin: 2rem 0;
}

.price-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--primary-color);
}

.price-card:hover {
    box-shadow: var(--shadow);
}

.price-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.price-card h4 {
    font-size: 1.3rem;
    color: var(--text-color);
    margin-bottom: 0.75rem;
}

.price-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.price-amount {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin: 1rem 0;
}

.price-card ul {
    list-style: none;
    padding: 0;
}

.price-card ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-light);
}

.price-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

/* 因素卡片 */
.factor-card {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.factor-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.factor-card h4 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.factor-card p {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

/* 复选列表 */
.check-list {
    list-style: none;
    padding: 0;
}

.check-list li {
    padding: 0.75rem 0;
    padding-left: 2rem;
    position: relative;
    color: var(--text-light);
    line-height: 1.7;
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* 警告框 */
.warning-box {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.warning-box h4 {
    color: #856404;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.warning-box ul {
    list-style: none;
    padding: 0;
}

.warning-box ul li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: #856404;
}

.warning-box ul li::before {
    content: '⚠';
    position: absolute;
    left: 0;
}

/* 质保框 */
.warranty-box {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    margin: 2rem 0;
}

.warranty-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.warranty-box h4 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.warranty-box p {
    color: var(--text-light);
    margin: 0;
}

/* 高亮区块 */
.highlight-section {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
    padding: 2rem;
    border-radius: 10px;
    border: 2px solid var(--secondary-color);
}

/* 特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-item {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.feature-item h4 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.feature-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

/* 种植牙优势 */
.implants-advantages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.advantage-item {
    background: var(--bg-white);
    padding: 1rem;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow);
}

.advantage-item i {
    color: var(--secondary-color);
    font-size: 1.2rem;
}

.advantage-item span {
    color: var(--text-color);
    font-size: 0.95rem;
}

/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.sidebar-card {
    background: var(--bg-white);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: var(--shadow);
}

.sidebar-card h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-card.contact-card {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.sidebar-card.contact-card h3 {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.sidebar-card.contact-card .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: white;
}

.sidebar-card.contact-card .contact-item i {
    color: rgba(255, 255, 255, 0.8);
}

.sidebar-card.contact-card .btn {
    width: 100%;
    justify-content: center;
}

.sidebar-list {
    list-style: none;
    padding: 0;
}

.sidebar-list li {
    margin-bottom: 0.75rem;
}

.sidebar-list li a {
    color: var(--text-light);
    display: block;
    padding: 0.5rem;
    border-radius: 5px;
    transition: var(--transition);
}

.sidebar-list li a:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    padding-left: 1rem;
}

.sidebar-list li a i {
    margin-right: 0.5rem;
}