/* ==========================================
   益阳市弘源生物科技有限公司 官网
   子页面自然有机主义风格样式
   ========================================== */

/* ========== 页面头图 ========== */

.page-hero {
  --hero-image: none;
  position: relative;
  padding: calc(var(--spacing-3xl) + 48px) 0 var(--spacing-3xl);
  background-image: linear-gradient(150deg, rgba(15, 74, 60, 0.82), rgba(34, 197, 94, 0.58)), var(--hero-image);
  background-size: cover;
  background-position: center;
  color: var(--color-text-light);
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(250, 204, 21, 0.25), transparent 55%);
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--spacing-2xl);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.page-hero-content {
  max-width: 560px;
  display: grid;
  gap: var(--spacing-lg);
}

.page-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--border-radius-full);
  background: rgba(14, 165, 233, 0.25);
  letter-spacing: 2px;
  text-transform: uppercase;
  font-size: var(--font-size-xs);
}

.page-hero h1 {
  margin: 0;
  font-size: clamp(34px, 4.2vw, 48px);
  line-height: 1.2;
  color: var(--color-text-light);
}

.page-hero-subtitle {
  font-size: var(--font-size-lg);
  color: rgba(255, 255, 255, 0.75);
  line-height: var(--line-height-relaxed);
}

.page-hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.page-hero-stat {
  min-width: 140px;
  padding: var(--spacing-md);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.18);
}

.page-hero-stat strong {
  display: block;
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-light);
}

.page-hero-stat span {
  font-size: var(--font-size-sm);
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.8);
}

.page-hero-media {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

.page-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== 通用布局 ========== */

.metrics-grid {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metrics-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: var(--spacing-xl);
  box-shadow: 0 18px 36px rgba(15, 94, 52, 0.12);
  display: grid;
  gap: var(--spacing-sm);
}

.metrics-card strong {
  font-size: var(--font-size-3xl);
  color: var(--color-primary-dark);
}

.metrics-card span {
  font-size: var(--font-size-sm);
  color: var(--color-subtle);
  letter-spacing: 1px;
}

.split-layout {
  display: grid;
  gap: var(--spacing-2xl);
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: center;
}

.split-content {
  display: grid;
  gap: var(--spacing-lg);
}

.split-layout.reverse {
  direction: rtl;
}

.split-layout.reverse > * {
  direction: ltr;
}

.split-media {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(15, 94, 52, 0.16);
}

.split-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.feature-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: var(--spacing-xl);
  box-shadow: 0 18px 32px rgba(15, 94, 52, 0.12);
  display: grid;
  gap: var(--spacing-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card.plain {
  background: transparent;
  box-shadow: none;
  padding: 0;
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 28px 48px rgba(14, 165, 233, 0.18);
}

.feature-card h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  color: var(--color-secondary);
}

.feature-card p {
  color: var(--color-subtle);
  line-height: var(--line-height-relaxed);
}

.feature-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.feature-card li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.feature-card li::before {
  content: '•';
  color: var(--color-tertiary-dark);
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.badge-list span {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  background: rgba(34, 197, 94, 0.14);
  color: var(--color-primary-dark);
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
}

/* ========== 发展时间线 ========== */

.timeline {
  position: relative;
  display: grid;
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(34, 197, 94, 0.25);
}

.timeline-item {
  position: relative;
  padding-left: var(--spacing-2xl);
  display: grid;
  gap: var(--spacing-sm);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: 4px;
  top: var(--spacing-sm);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 6px rgba(34, 197, 94, 0.2);
}

.timeline-year {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-dark);
}

.timeline-body {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 18px;
  padding: var(--spacing-lg);
  box-shadow: 0 12px 24px rgba(15, 94, 52, 0.12);
  color: var(--color-subtle);
  line-height: var(--line-height-relaxed);
}

/* ========== 价值观与荣誉 ========== */

.value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.value-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 20px;
  padding: var(--spacing-xl);
  text-align: center;
  box-shadow: 0 18px 32px rgba(14, 165, 233, 0.14);
  display: grid;
  gap: var(--spacing-sm);
}

.value-card h3 {
  margin: 0;
  font-size: var(--font-size-xl);
  color: var(--color-secondary);
}

.value-card p {
  font-size: var(--font-size-sm);
  color: var(--color-subtle);
  line-height: var(--line-height-relaxed);
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.certificate-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 18px;
  padding: var(--spacing-lg);
  box-shadow: 0 16px 28px rgba(15, 94, 52, 0.12);
  display: grid;
  gap: var(--spacing-sm);
  border: 1px solid rgba(14, 165, 233, 0.1);
}

.certificate-card strong {
  font-size: var(--font-size-lg);
  color: var(--color-primary-dark);
}

.certificate-card span {
  font-size: var(--font-size-xs);
  color: var(--color-subtle);
  letter-spacing: 1px;
}

/* ========== 视频与多媒体 ========== */

.video-panel {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(15, 74, 60, 0.22);
}

.video-panel img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-panel button {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  border: none;
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.85);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  box-shadow: 0 20px 36px rgba(0, 0, 0, 0.2);
}

/* ========== 数据面板 ========== */

.data-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.data-card {
  border-radius: 20px;
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.16), rgba(34, 197, 94, 0.14));
  color: var(--color-primary-dark);
  box-shadow: 0 20px 36px rgba(14, 165, 233, 0.16);
  display: grid;
  gap: var(--spacing-sm);
}

.data-card h3 {
  margin: 0;
  font-size: var(--font-size-lg);
}

.data-card p {
  margin: 0;
  color: var(--color-subtle);
}

/* ========== 标签导航 ========== */

.tab-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.tab-button {
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: var(--border-radius-full);
  padding: var(--spacing-sm) var(--spacing-lg);
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-primary-dark);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-button.active {
  background: rgba(34, 197, 94, 0.16);
  color: var(--color-secondary);
  box-shadow: 0 12px 24px rgba(34, 197, 94, 0.16);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* ========== 新闻文章 ========== */

.article-meta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  font-size: var(--font-size-sm);
  color: var(--color-subtle);
}

.article-body {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: var(--spacing-lg);
  line-height: var(--line-height-relaxed);
}

.article-body h2,
.article-body h3 {
  color: var(--color-primary-dark);
}

.article-body img {
  width: 100%;
  border-radius: 18px;
  box-shadow: 0 16px 28px rgba(15, 94, 52, 0.12);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.article-tags span {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  background: rgba(14, 165, 233, 0.15);
  color: var(--color-tertiary-dark);
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
}

/* ========== 文章列表 ========== */

.article-list {
  display: grid;
  gap: var(--spacing-lg);
}

.article-tag {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  background: rgba(14, 165, 233, 0.16);
  color: var(--color-tertiary-dark);
  font-size: var(--font-size-xs);
  letter-spacing: 1px;
}

.article-card {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 18px;
  padding: var(--spacing-lg);
  box-shadow: 0 16px 28px rgba(15, 94, 52, 0.12);
  display: grid;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 40px rgba(14, 165, 233, 0.16);
}

.article-card h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--color-primary-dark);
}

.article-card p {
  color: var(--color-subtle);
  margin: 0;
}

.article-meta {
  display: flex;
  gap: var(--spacing-md);
  font-size: var(--font-size-xs);
  color: var(--color-subtle);
}

/* ========== FAQ ========== */

.faq-list {
  display: grid;
  gap: var(--spacing-md);
}

.faq-item {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 16px;
  padding: var(--spacing-lg);
  box-shadow: 0 16px 28px rgba(15, 94, 52, 0.12);
}

.faq-question {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

.faq-answer {
  color: var(--color-subtle);
  line-height: var(--line-height-relaxed);
}

/* ========== 联系面板 ========== */

.contact-form {
  display: grid;
  gap: var(--spacing-lg);
}

.contact-form .form-group {
  display: grid;
  gap: var(--spacing-sm);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(34, 197, 94, 0.2);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--color-tertiary-dark);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.2);
  outline: none;
}

.form-submit {
  justify-self: flex-start;
}


.contact-panel {
  background: rgba(255, 255, 255, 0.95);
  border-radius: 24px;
  padding: var(--spacing-2xl);
  box-shadow: 0 24px 48px rgba(15, 94, 52, 0.16);
  display: grid;
  gap: var(--spacing-xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.contact-card {
  background: rgba(14, 165, 233, 0.12);
  border-radius: 18px;
  padding: var(--spacing-xl);
  display: grid;
  gap: var(--spacing-sm);
}

.contact-card h3 {
  margin: 0;
  color: var(--color-tertiary-dark);
}

.contact-card a {
  color: var(--color-secondary);
  font-weight: var(--font-weight-medium);
  text-decoration: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  display: grid;
  gap: var(--spacing-xl);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--font-size-lg);
}

.cta-actions {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.cta-actions .btn {
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

/* ========== 响应式适配 ========== */

@media (max-width: 1200px) {
  .page-hero .container {
    grid-template-columns: 1fr;
  }

  .split-layout {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .value-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .metrics-grid,
  .certificate-grid,
  .data-grid,
  .contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: var(--spacing-3xl) 0;
  }

  .page-hero-stats {
    flex-direction: column;
  }

  .metrics-grid,
  .feature-grid,
  .value-grid,
  .certificate-grid,
  .data-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 10px;
  }

  .timeline-item::before {
    left: 0;
  }

  .timeline-item {
    padding-left: var(--spacing-xl);
  }

  .page-hero .container {
    gap: var(--spacing-xl);
  }
}

@media (max-width: 480px) {
  .page-hero-stat {
    min-width: auto;
  }

  .feature-card,
  .metrics-card,
  .certificate-card,
  .data-card,
  .faq-item {
    padding: var(--spacing-lg);
  }
}