/* 
 * popularthreadz.com - 内页通用样式
 */

/* Page Header */
.page-header {
    position: relative;
    padding: 180px 0 100px;
    background: linear-gradient(135deg, var(--color-light-green) 0%, var(--color-white) 50%, var(--color-light-blue) 100%);
    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-container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    color: var(--color-text-dark);
    margin-bottom: 20px;
    animation: fadeInDown 0.8s ease-out;
}

.page-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-gray);
    max-width: 700px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

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

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

/* Breadcrumb */
.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 30px;
    font-size: 0.95rem;
    color: var(--color-text-gray);
}

.breadcrumb a {
    color: var(--color-accent-green);
    transition: var(--transition-smooth);
}

.breadcrumb a:hover {
    color: var(--color-accent-blue);
}

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

/* Content Sections */
.content-section {
    padding: 80px 0;
}

.content-section.alt-bg {
    background: linear-gradient(180deg, var(--color-light-green) 0%, var(--color-white) 100%);
}

/* About Grid */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-main-image {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
}

.about-sub-image {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    border-radius: 15px;
    box-shadow: var(--shadow-soft);
    border: 5px solid var(--color-white);
}

.about-content h3 {
    font-size: 2rem;
    color: var(--color-text-dark);
    margin-bottom: 25px;
}

.about-text {
    color: var(--color-text-gray);
    line-height: 1.9;
    margin-bottom: 25px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--color-light-green);
    border-radius: 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent-green);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    margin-top: 5px;
    display: block;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-card {
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    text-align: center;
}

.team-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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

.team-info {
    padding: 25px;
}

.team-name {
    font-size: 1.3rem;
    color: var(--color-text-dark);
    margin-bottom: 8px;
}

.team-position {
    color: var(--color-accent-green);
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 15px;
}

.team-bio {
    color: var(--color-text-gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    cursor: pointer;
}

.portfolio-image {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(129, 199, 132, 0.9), rgba(100, 181, 246, 0.9));
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition-smooth);
    padding: 30px;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.1);
}

.portfolio-title {
    font-size: 1.4rem;
    color: var(--color-white);
    margin-bottom: 10px;
    transform: translateY(20px);
    transition: var(--transition-smooth);
}

.portfolio-item:hover .portfolio-title {
    transform: translateY(0);
}

.portfolio-category {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    transform: translateY(20px);
    transition: var(--transition-smooth);
    transition-delay: 0.1s;
}

.portfolio-item:hover .portfolio-category {
    transform: translateY(0);
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info-section {
    background: linear-gradient(135deg, var(--color-light-green), var(--color-light-blue));
    padding: 50px;
    border-radius: 20px;
}

.contact-detail {
    margin-bottom: 30px;
}

.contact-detail h4 {
    font-size: 1.2rem;
    color: var(--color-text-dark);
    margin-bottom: 10px;
}

.contact-detail p {
    color: var(--color-text-gray);
    line-height: 1.8;
}

.contact-form-wrapper {
    background: var(--color-white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: var(--shadow-soft);
}

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

.form-group label {
    display: block;
    font-size: 0.95rem;
    color: var(--color-text-dark);
    margin-bottom: 10px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--color-border);
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-accent-green);
    box-shadow: 0 0 0 3px rgba(129, 199, 132, 0.1);
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* News List Page */
.news-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* News Detail Page */
.news-detail-container {
    max-width: 900px;
    margin: 0 auto;
}

.news-detail-header {
    margin-bottom: 40px;
    text-align: center;
}

.news-detail-title {
    font-size: 2.5rem;
    color: var(--color-text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: var(--color-text-gray);
    font-size: 0.95rem;
}

.news-detail-image {
    width: 100%;
    height: 450px;
    object-fit: cover;
    border-radius: 20px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-soft);
}

.news-detail-content {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--color-text-dark);
}

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

.news-detail-content img {
    max-width: 100%;
    border-radius: 15px;
    margin: 30px 0;
    box-shadow: var(--shadow-soft);
}

/* Related News */
.related-news {
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid var(--color-border);
}

.related-news h3 {
    font-size: 1.8rem;
    color: var(--color-text-dark);
    margin-bottom: 30px;
    text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-sub-image {
        position: relative;
        bottom: auto;
        right: auto;
        width: 100%;
        margin-top: 20px;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2.2rem;
    }
    
    .team-grid,
    .portfolio-grid,
    .news-list-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 140px 0 60px;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .contact-info-section,
    .contact-form-wrapper {
        padding: 30px;
    }
}