/* ============================================
   首页样式 - 矿山重器视觉
   ============================================ */

@import url('layout.css');

/* ===== Section 基础 ===== */
.section {
  position: relative;
  padding: var(--spacing-5xl) var(--spacing-lg);
  overflow: hidden;
}

.section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(245, 127, 23, 0.08), transparent 60%);
  pointer-events: none;
}

.section-inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.section-header {
  margin-bottom: var(--spacing-3xl);
  max-width: 760px;
}

.section-eyebrow {
  font-size: var(--font-size-sm);
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(236, 239, 241, 0.6);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-eyebrow::before {
  content: '';
  width: 32px;
  height: 2px;
  background: var(--color-primary);
}

.section-header h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

.section-desc {
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
}

/* ===== 英雄区域 ===== */
.hero {
  position: relative;
  padding: var(--spacing-5xl) var(--spacing-lg);
  min-height: calc(100vh - 90px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2) brightness(0.5);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(245, 127, 23, 0.35), transparent 45%),
              linear-gradient(120deg, rgba(14, 19, 23, 0.92), rgba(10, 14, 17, 0.95));
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: -120px;
  width: 320px;
  height: 320px;
  background: repeating-linear-gradient(-45deg, rgba(211, 47, 47, 0.6), rgba(211, 47, 47, 0.6) 12px, transparent 12px, transparent 24px);
  opacity: 0.2;
  transform: rotate(-8deg);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--spacing-3xl);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.hero-content h1 {
  font-size: var(--font-size-5xl);
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}

.hero-description {
  color: rgba(236, 239, 241, 0.8);
}

.hero-eyebrow {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.4em;
  color: rgba(236, 239, 241, 0.7);
  margin-bottom: var(--spacing-md);
  display: inline-block;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin: var(--spacing-xl) 0;
}

.hero-badges span {
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--border-radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: var(--font-size-sm);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-lg);
}

.hero-stat {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  box-shadow: 0 20px 35px rgba(0, 0, 0, 0.45);
}

.hero-stat strong {
  font-size: var(--font-size-4xl);
  display: block;
  line-height: 1;
  color: var(--color-primary);
}

.hero-stat strong span {
  font-size: var(--font-size-base);
  color: var(--color-text);
  margin-left: var(--spacing-sm);
}

.hero-stat .label {
  font-size: var(--font-size-sm);
  color: rgba(236, 239, 241, 0.7);
}

.hero-stat p {
  color: var(--color-text-light);
  margin: 0;
}

/* ===== 服务矩阵 ===== */
.services-lab {
  background: radial-gradient(circle at top left, rgba(245, 127, 23, 0.08), transparent 60%);
}

.service-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-2xl);
}

.service-card {
  background: rgba(21, 27, 32, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  display: flex;
  gap: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: rgba(245, 127, 23, 0.6);
}

.service-icon {
  font-size: var(--font-size-4xl);
  color: var(--color-primary);
}

.service-body h3 {
  margin-bottom: var(--spacing-sm);
}

.service-body ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-md) 0 0;
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
}

.service-body ul li {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.service-body ul li::before {
  content: '▸';
  margin-right: var(--spacing-sm);
  color: var(--color-accent);
}

/* ===== 实力数据 ===== */
.strength-data {
  background: linear-gradient(180deg, rgba(8, 11, 13, 0.95), rgba(6, 8, 10, 0.98));
}

.strength-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--spacing-3xl);
}

.strength-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-xl);
}

.metric-card {
  background: rgba(33, 41, 47, 0.9);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
}

.metric-card span {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
}

.metric-card p {
  color: var(--color-text-light);
  margin: 0;
}

.strength-detail {
  background: rgba(28, 35, 40, 0.9);
  border-radius: var(--border-radius-xl);
  padding: var(--spacing-2xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.strength-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-xl) 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.strength-list li {
  padding-left: var(--spacing-xl);
  border-left: 3px solid var(--color-primary);
}

.strength-list li span {
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
}

.strength-list li p {
  margin: var(--spacing-sm) 0 0;
  color: var(--color-text-light);
}

.strength-bars {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.bar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--spacing-md);
  align-items: center;
}

.bar-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.bar-track {
  position: relative;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-full);
  overflow: hidden;
}

.bar-track span {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: calc(var(--value) * 100%);
  background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
}

.bar-value {
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

/* ===== 解决方案 Tab ===== */
.solutions-tabs {
  background: radial-gradient(circle at bottom right, rgba(211, 47, 47, 0.1), transparent 55%);
}

.tab-system {
  background: rgba(14, 18, 22, 0.9);
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-2xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tab-system input {
  display: none;
}

.tab-switchers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.tab-label {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: 0.2em;
  color: rgba(236, 239, 241, 0.7);
  cursor: pointer;
  transition: all var(--transition-base);
}

.tab-label strong {
  font-size: var(--font-size-xl);
  letter-spacing: normal;
  color: var(--color-text);
}

.tab-panels .tab-panel {
  display: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-2xl);
  align-items: center;
}

.panel-content ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-xl) 0 var(--spacing-lg);
  color: var(--color-text-light);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.panel-content ul li {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.panel-content ul li::before {
  content: '▶';
  margin-right: var(--spacing-sm);
  color: var(--color-primary);
}

.panel-visual {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
}

.panel-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.85);
}

.panel-metric {
  position: absolute;
  bottom: var(--spacing-lg);
  left: var(--spacing-lg);
  padding: var(--spacing-md) var(--spacing-xl);
  background: rgba(0, 0, 0, 0.55);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
}

.panel-metric strong {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
}

/* Tab 激活状态 */
#tab-overhaul:checked ~ .tab-switchers label[for="tab-overhaul"],
#tab-preventive:checked ~ .tab-switchers label[for="tab-preventive"],
#tab-emergency:checked ~ .tab-switchers label[for="tab-emergency"] {
  border-color: var(--color-primary);
  background: rgba(245, 127, 23, 0.08);
  color: var(--color-text);
}

#tab-overhaul:checked ~ .tab-panels .panel-overhaul,
#tab-preventive:checked ~ .tab-panels .panel-preventive,
#tab-emergency:checked ~ .tab-panels .panel-emergency {
  display: grid;
}

/* ===== 案例展示 ===== */
.case-display {
  background: rgba(9, 12, 14, 0.95);
}

.case-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.case-item {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--spacing-2xl);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(14, 17, 20, 0.95);
}

.case-tag {
  font-size: var(--font-size-sm);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(236, 239, 241, 0.7);
}

.case-meta ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-lg) 0;
  display: flex;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  color: var(--color-text-light);
}

.case-meta ul li::before {
  content: '▹';
  margin-right: var(--spacing-sm);
  color: var(--color-primary);
}

.case-media {
  position: relative;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
}

.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.case-result {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: rgba(0, 0, 0, 0.6);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  border-left: 3px solid var(--color-primary);
}

.case-result strong {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
}

.case-link {
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: var(--font-size-sm);
}

/* ===== 安全承诺 ===== */
.safety-commitment {
  background: radial-gradient(circle at top, rgba(245, 127, 23, 0.1), transparent 60%);
}

.safety-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--spacing-2xl);
}

.cert-wall {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--spacing-xl);
}

.cert-card {
  display: flex;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.cert-card img {
  width: 110px;
  height: 110px;
  object-fit: cover;
  border-radius: var(--border-radius-lg);
}

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

.badge-item {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-lg);
  text-align: center;
  padding: var(--spacing-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.badge-item span {
  display: block;
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.safety-list {
  list-style: none;
  padding: 0;
  margin-bottom: var(--spacing-2xl);
  color: var(--color-text-light);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.safety-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.safety-list li::before {
  content: '■';
  color: var(--color-accent);
  margin-right: var(--spacing-sm);
}

/* ===== CTA ===== */
.cta-line {
  background: linear-gradient(120deg, rgba(245, 127, 23, 0.2), rgba(211, 47, 47, 0.2));
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-2xl);
  background: rgba(0, 0, 0, 0.45);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-2xl);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 40px 80px rgba(0, 0, 0, 0.35);
}

.cta-content h2 {
  margin: var(--spacing-md) 0 0;
}

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

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero-grid,
  .case-item,
  .strength-layout,
  .safety-grid {
    grid-template-columns: 1fr;
  }

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

  .cert-wall {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: var(--spacing-4xl);
    min-height: auto;
  }

  .hero-actions,
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .service-list {
    grid-template-columns: 1fr;
  }

  .tab-switchers {
    grid-template-columns: 1fr;
  }

  .tab-panels .tab-panel {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  .hero-stats {
    grid-template-columns: 1fr;
  }

  .badge-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner {
    flex-direction: column;
  }
}