/* ========== Inner Page Common ========== */
.inner-content {
  padding: 60px 0;
}

/* ========== About Page ========== */
.about-intro {
  max-width: 900px;
  margin-bottom: 60px;
}

.about-intro-text h3 {
  font-size: 24px;
  color: var(--dark);
  margin-bottom: 16px;
}

.about-intro-text p {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 12px;
}

/* Timeline */
.timeline-section {
  padding: 60px 0;
  background: var(--gray-light);
}

.timeline-section h3 {
  text-align: center;
  font-size: 26px;
  color: var(--dark);
  margin-bottom: 40px;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--primary);
  opacity: 0.3;
}

.timeline-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 36px;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-year {
  width: 120px;
  text-align: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  flex-shrink: 0;
  padding-top: 8px;
}

.timeline-dot {
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 14px;
}

.timeline-content {
  flex: 1;
  max-width: 320px;
  background: var(--white);
  padding: 18px 22px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-left: 30px;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-right: 30px;
}

.timeline-content h4 {
  font-size: 16px;
  color: var(--dark);
  margin-bottom: 6px;
}

.timeline-content p {
  font-size: 13px;
  color: var(--gray);
}

/* ========== Culture Cards ========== */
.culture-section {
  padding: 60px 0;
}

.culture-section h3 {
  text-align: center;
  font-size: 26px;
  color: var(--dark);
  margin-bottom: 40px;
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.culture-card {
  text-align: center;
  padding: 36px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: transform var(--transition);
}

.culture-card:hover {
  transform: translateY(-6px);
}

.culture-icon {
  width: 64px;
  height: 64px;
  line-height: 64px;
  text-align: center;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  font-size: 28px;
  margin: 0 auto 16px;
}

.culture-card h4 {
  font-size: 17px;
  color: var(--dark);
  margin-bottom: 8px;
}

.culture-card p {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.6;
}

/* ========== Products Page ========== */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.filter-tabs button {
  padding: 8px 22px;
  background: var(--white);
  border: 1px solid var(--gray-border);
  border-radius: 20px;
  font-size: 14px;
  color: var(--gray);
  cursor: pointer;
  transition: all var(--transition);
}

.filter-tabs button:hover,
.filter-tabs button.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ========== News Page ========== */
.news-list-item {
  display: flex;
  gap: 20px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  cursor: pointer;
}

.news-list-item:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

.news-list-img {
  width: 200px;
  height: 140px;
  flex-shrink: 0;
  border-radius: var(--radius);
  overflow: hidden;
}

.news-list-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-list-body .news-date {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 6px;
}

.news-list-body h4 {
  font-size: 18px;
  color: var(--dark);
  margin-bottom: 8px;
}

.news-list-body p {
  font-size: 14px;
  color: var(--gray);
  line-height: 1.6;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 36px;
}

.pagination button {
  width: 36px;
  height: 36px;
  border: 1px solid var(--gray-border);
  background: var(--white);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--gray);
  cursor: pointer;
  transition: all var(--transition);
}

.pagination button:hover,
.pagination button.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ========== Contact Page ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-form {
  background: var(--white);
  padding: 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.contact-form h3 {
  font-size: 22px;
  color: var(--dark);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  color: #333;
  margin-bottom: 6px;
  font-weight: 500;
}

.form-group label .required {
  color: #e53;
  margin-left: 2px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-border);
  border-radius: 6px;
  font-size: 14px;
  transition: border-color var(--transition);
  background: #fafbfc;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  background: var(--white);
}

.form-group .error-msg {
  font-size: 12px;
  color: #e53;
  margin-top: 4px;
  display: none;
}

.form-group.error input,
.form-group.error textarea {
  border-color: #e53;
}

.form-group.error .error-msg {
  display: block;
}

.form-group .success-msg {
  padding: 12px;
  background: #f0fdf4;
  color: #16a34a;
  border-radius: 6px;
  font-size: 14px;
  display: none;
}

.form-group .success-msg.show {
  display: block;
}

.contact-info {
  background: var(--dark);
  color: var(--white);
  padding: 32px;
  border-radius: var(--radius-lg);
}

.contact-info h3 {
  font-size: 22px;
  margin-bottom: 24px;
}

.contact-info-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.contact-info-text h5 {
  font-size: 15px;
  margin-bottom: 4px;
}

.contact-info-text p {
  font-size: 13px;
  opacity: 0.8;
  line-height: 1.6;
}

/* ========== Case Detail ========== */
.case-detail-content img {
  border-radius: var(--radius-lg);
  margin: 20px 0;
}

.case-detail-content h3 {
  font-size: 22px;
  color: var(--dark);
  margin: 24px 0 12px;
}

.case-detail-content p {
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 12px;
}

/* ========== Empty State ========== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray);
}

.empty-state p {
  font-size: 16px;
}