/* Page Header */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    font-family: 'Noto Serif SC', serif;
}

.page-header p {
    font-size: 20px;
    color: var(--text-light);
}

/* Feature Detail */
.feature-detail {
    padding: 80px 0;
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 120px;
}

.feature-row-reverse {
    direction: rtl;
}

.feature-row-reverse .feature-content {
    direction: ltr;
}

.feature-content {
    position: relative;
}

.feature-num {
    display: block;
    font-size: 72px;
    font-weight: 700;
    color: rgba(59, 130, 246, 0.1);
    line-height: 1;
    margin-bottom: 16px;
    font-family: 'Noto Serif SC', serif;
}

.feature-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 20px;
    font-family: 'Noto Serif SC', serif;
}

.feature-content > p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 32px;
    line-height: 1.8;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    color: var(--text);
    margin-bottom: 16px;
}

.feature-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.feature-visual {
    height: 400px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.feature-visual-penetration {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
}

.feature-visual-chip {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
}

.feature-visual-trade {
    background: linear-gradient(135deg, #fff7ed 0%, #ffedd5 100%);
}

.feature-visual-archive {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
}

/* More Features */
.more-features {
    padding: 80px 0;
    background: var(--bg-light);
}

.more-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.more-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

.more-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.more-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 12px;
}

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

/* Solutions */
.solutions {
    padding: 80px 0;
}

.solutions .container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.solution-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
}

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

.solution-icon {
    font-size: 48px;
    margin-bottom: 24px;
}

.solution-card h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 16px;
}

.solution-card > p {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 24px;
    line-height: 1.6;
}

.solution-card ul {
    list-style: none;
}

.solution-card li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text);
    margin-bottom: 12px;
}

.solution-card li::before {
    content: "";
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* About Page */
.about-hero {
    padding: 160px 0 100px;
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
}

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

.about-hero h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
    font-family: 'Noto Serif SC', serif;
}

.about-hero p {
    font-size: 18px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 32px;
}

.about-stats {
    display: flex;
    gap: 48px;
}

.about-stats .stat-item .stat-num {
    font-size: 40px;
}

.about-visual {
    height: 400px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 120px;
    font-weight: 700;
}

.about-mission {
    padding: 100px 0;
    text-align: center;
}

.about-mission h2 {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
    font-family: 'Noto Serif SC', serif;
}

.about-mission p {
    font-size: 20px;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.about-team {
    padding: 100px 0;
    background: var(--bg-light);
}

.about-team .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.about-team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

.team-card {
    background: white;
    padding: 32px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow);
}

.team-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--accent) 0%, #8b5cf6 100%);
    border-radius: 50%;
    margin: 0 auto 20px;
}

.team-card h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
}

.team-card p {
    font-size: 14px;
    color: var(--text-light);
}

/* Contact Page */
.contact-section {
    padding: 160px 0 100px;
}

.contact-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-info h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 24px;
    font-family: 'Noto Serif SC', serif;
}

.contact-info > p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
}

.contact-list {
    list-style: none;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-list .icon {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-list .icon svg {
    width: 24px;
    height: 24px;
    color: var(--accent);
}

.contact-list h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 4px;
}

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

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s;
}

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

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
    .feature-row {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .feature-row-reverse {
        direction: ltr;
    }
    
    .more-grid,
    .solutions .container {
        grid-template-columns: 1fr;
    }
    
    .about-hero .container {
        grid-template-columns: 1fr;
    }
    
    .about-visual {
        display: none;
    }
    
    .about-team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-section .container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-header h1,
    .about-hero h1,
    .contact-info h1 {
        font-size: 36px;
    }
    
    .feature-num {
        font-size: 48px;
    }
    
    .feature-content h2 {
        font-size: 28px;
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: 32px;
    }
    
    .about-team-grid {
        grid-template-columns: 1fr;
    }
}