/* ========================================
   PinLoveBird - 内页通用样式
   ======================================== */

.page-header {
    padding: 180px 0 100px;
    background: linear-gradient(135deg, var(--color-light-green) 0%, var(--color-light-pink) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('../images/pattern.svg') repeat;
    opacity: 0.05;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.page-header p {
    font-size: 18px;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* Content Section */
.content-section {
    padding: 100px 0;
    background: var(--color-white);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

/* Case Study Cards */
.case-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.case-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.case-content {
    padding: 30px;
}

.case-category {
    display: inline-block;
    padding: 6px 15px;
    background: var(--color-light-pink);
    color: var(--color-deep-pink);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 15px;
}

.case-title {
    font-size: 22px;
    color: var(--color-text-dark);
    margin-bottom: 12px;
    font-weight: 600;
}

.case-description {
    color: var(--color-text-light);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-deep-green);
    font-weight: 600;
    font-size: 15px;
}

.case-link:hover {
    gap: 12px;
}

/* About Page Specific */
.about-intro {
    padding: 100px 0;
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-hover);
}

.about-text h2 {
    font-size: 38px;
    color: var(--color-text-dark);
    margin-bottom: 25px;
    font-weight: 700;
}

.about-text p {
    color: var(--color-text-light);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

/* Team Section */
.team {
    padding: 100px 0;
    background: var(--color-bg-cream);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.team-card {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    text-align: center;
    transition: var(--transition-smooth);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.team-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.team-info {
    padding: 25px;
}

.team-name {
    font-size: 20px;
    color: var(--color-text-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.team-role {
    color: var(--color-deep-pink);
    font-size: 14px;
    margin-bottom: 15px;
}

.team-social {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.team-social a {
    width: 35px;
    height: 35px;
    background: var(--color-light-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-deep-green);
    transition: var(--transition-smooth);
}

.team-social a:hover {
    background: var(--color-deep-green);
    color: var(--color-white);
}

/* Contact Page */
.contact-wrapper {
    padding: 100px 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-box {
    background: linear-gradient(135deg, var(--color-light-green), var(--color-light-pink));
    border-radius: var(--border-radius-lg);
    padding: 50px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 35px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 18px;
    color: var(--color-text-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.contact-details p {
    color: var(--color-text-light);
    font-size: 15px;
}

.contact-form {
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    padding: 50px;
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--color-text-dark);
    font-weight: 500;
    font-size: 15px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--color-light-green);
    border-radius: var(--border-radius-sm);
    font-size: 15px;
    transition: var(--transition-smooth);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-deep-green);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

/* News List Page */
.news-list-section {
    padding: 100px 0;
    background: var(--color-white);
}

.news-filter {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 25px;
    background: var(--color-white);
    border: 2px solid var(--color-light-green);
    border-radius: 25px;
    color: var(--color-text-dark);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-deep-green);
    border-color: var(--color-deep-green);
    color: var(--color-white);
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.news-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    background: var(--color-white);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.news-item:hover {
    box-shadow: var(--shadow-hover);
}

.news-item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.news-item-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-item-date {
    color: var(--color-deep-pink);
    font-size: 14px;
    margin-bottom: 10px;
}

.news-item-title {
    font-size: 24px;
    color: var(--color-text-dark);
    margin-bottom: 15px;
    font-weight: 600;
}

.news-item-excerpt {
    color: var(--color-text-light);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.news-item-link {
    display: inline-flex;
    align-items: center;
    color: var(--color-deep-green);
    font-weight: 600;
}

/* News Detail Page */
.news-detail {
    padding: 80px 0;
    background: var(--color-white);
}

.news-detail-content {
    max-width: 900px;
    margin: 0 auto;
}

.news-detail-header {
    text-align: center;
    margin-bottom: 50px;
}

.news-detail-title {
    font-size: 42px;
    color: var(--color-text-dark);
    margin-bottom: 20px;
    font-weight: 700;
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: var(--color-text-light);
    font-size: 14px;
}

.news-detail-image {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    margin-bottom: 50px;
}

.news-detail-body {
    font-size: 17px;
    line-height: 1.9;
    color: var(--color-text-dark);
}

.news-detail-body p {
    margin-bottom: 25px;
}

.news-detail-body img {
    width: 100%;
    border-radius: var(--border-radius-md);
    margin: 30px 0;
}

/* Related News */
.related-news {
    padding: 80px 0;
    background: var(--color-bg-cream);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

/* Responsive */
@media (max-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .news-item {
        grid-template-columns: 1fr;
    }
    
    .news-item-image {
        height: 250px;
    }
    
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .page-header {
        padding: 140px 0 60px;
    }
    
    .page-header h1 {
        font-size: 36px;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}