/* ========================================
   组件样式表 - 企业级模块化组件
   ======================================== */

/* 区块标签 */
.smtn-section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  background: rgba(27, 106, 201, 0.12);
  color: var(--secondary-dark);
  font-size: var(--font-size-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.smtn-section-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--secondary-color);
  box-shadow: 0 0 0 6px rgba(27, 106, 201, 0.12);
}

/* 关键数字 KPI */
.smtn-metric-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.smtn-metric {
  position: relative;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  background: var(--surface-elevated);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.smtn-metric::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(31, 122, 77, 0.08), rgba(27, 106, 201, 0.08));
  opacity: 0.9;
  pointer-events: none;
}

.smtn-metric__value {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  color: var(--text-primary);
}

.smtn-metric__suffix {
  font-size: var(--font-size-lg);
  margin-left: var(--spacing-sm);
  color: var(--secondary-dark);
}

.smtn-metric__caption {
  margin-top: var(--spacing-lg);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  position: relative;
  z-index: 1;
}

/* 徽章与标签 */
.smtn-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-full);
  background: rgba(31, 122, 77, 0.1);
  color: var(--primary-dark);
  font-weight: 600;
  font-size: var(--font-size-sm);
}

.smtn-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background: rgba(15, 27, 19, 0.09);
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  letter-spacing: 0.02em;
}

/* 特性卡片 */
.smtn-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-2xl);
}

.smtn-feature-card {
  position: relative;
  padding: var(--spacing-3xl);
  border-radius: var(--radius-2xl);
  background: var(--surface-glass);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(190, 201, 195, 0.45);
  overflow: hidden;
  transition: all var(--transition-base);
}

.smtn-feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.smtn-feature-card::before {
  content: "";
  position: absolute;
  inset: -40% 40% 40% -40%;
  background: linear-gradient(120deg, rgba(27, 106, 201, 0.35), rgba(31, 122, 77, 0.18));
  opacity: 0.35;
  transform: rotate(8deg);
}

.smtn-feature-card h3,
.smtn-feature-card h4 {
  position: relative;
  z-index: 1;
  color: var(--text-primary);
}

.smtn-feature-card p,
.smtn-feature-card ul {
  position: relative;
  z-index: 1;
}

.smtn-icon-ring {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.05));
  border: 1px solid rgba(190, 201, 195, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-xl);
  font-size: var(--font-size-2xl);
  color: var(--primary-color);
  box-shadow: var(--shadow-sm);
}

/* 图文卡片 */
.smtn-media-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--spacing-2xl);
  align-items: center;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(190, 201, 195, 0.35);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

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

.smtn-media-card img {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-xl);
  object-fit: cover;
}

@media (max-width: 768px) {
  .smtn-media-card {
    grid-template-columns: 1fr;
  }
  
  .smtn-media-card img {
    height: 180px;
  }
}

/* 时间轴 */
.smtn-timeline {
  position: relative;
  padding-left: 32px;
  border-left: 2px dashed rgba(69, 168, 104, 0.4);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.smtn-timeline__item {
  position: relative;
  padding-left: var(--spacing-xl);
}

.smtn-timeline__item::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -43px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--primary-color);
  box-shadow: 0 0 0 6px rgba(69, 168, 104, 0.15);
}

.smtn-timeline__year {
  font-weight: 700;
  font-size: var(--font-size-xl);
  color: var(--primary-dark);
  margin-bottom: var(--spacing-sm);
}

.smtn-timeline__content {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

/* 服务流程 */
.smtn-process {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-2xl);
}

.smtn-process__item {
  position: relative;
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(190, 201, 195, 0.35);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.smtn-process__item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.smtn-process__badge {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--primary-tint);
  color: var(--primary-dark);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
}

.smtn-process__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-sm);
}

.smtn-process__desc {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* 合作伙伴墙 */
.smtn-logo-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--spacing-xl);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(190, 201, 195, 0.3);
  box-shadow: var(--shadow-sm);
}

.smtn-logo {
  height: 60px;
  background: rgba(31, 122, 77, 0.06);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.1em;
  transition: all var(--transition-base);
}

.smtn-logo:hover {
  background: rgba(31, 122, 77, 0.16);
  color: var(--primary-dark);
}

/* 客户评价 */
.smtn-testimonial-card {
  padding: var(--spacing-3xl);
  border-radius: var(--radius-2xl);
  background: rgba(15, 27, 19, 0.92);
  color: rgba(255, 255, 255, 0.94);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.smtn-testimonial-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(140deg, rgba(69, 168, 104, 0.16), rgba(27, 106, 201, 0.12));
  opacity: 0.9;
}

.smtn-testimonial-text {
  position: relative;
  z-index: 1;
  font-size: var(--font-size-lg);
  line-height: 1.8;
}

.smtn-testimonial-meta {
  position: relative;
  z-index: 1;
  margin-top: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.smtn-testimonial-meta strong {
  font-size: var(--font-size-lg);
}

.smtn-testimonial-meta span {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--font-size-sm);
}

/* CTA 区域 */
.smtn-cta {
  padding: var(--spacing-4xl);
  border-radius: var(--radius-2xl);
  background: linear-gradient(120deg, rgba(31, 122, 77, 0.9), rgba(27, 106, 201, 0.85));
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.smtn-cta::before {
  content: "";
  position: absolute;
  inset: -60% 50% 30% -40%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 70%);
}

.smtn-cta h2 {
  color: white;
  font-size: var(--font-size-4xl);
}

.smtn-cta p {
  color: rgba(255, 255, 255, 0.8);
  max-width: 640px;
}

.smtn-cta-actions {
  margin-top: var(--spacing-2xl);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
}

/* Tab 导航 */
.smtn-tab-nav {
  display: inline-flex;
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-full);
  padding: var(--spacing-sm);
  border: 1px solid rgba(190, 201, 195, 0.4);
  gap: var(--spacing-sm);
}

.smtn-tab-nav button {
  border: none;
  background: transparent;
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.smtn-tab-nav button.active,
.smtn-tab-nav button:hover {
  background: rgba(27, 106, 201, 0.12);
  color: var(--secondary-dark);
}

.smtn-tab-panels[data-tab-group] > [data-tab-panel] {
  display: none;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.smtn-tab-panels[data-tab-group] > [data-tab-panel].is-active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* 小分隔符 */
.smtn-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(190, 201, 195, 0.55), transparent);
  margin: var(--spacing-3xl) 0;
}

/* 数据看板 */
.smtn-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-2xl);
}

.smtn-stat-card {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(190, 201, 195, 0.4);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.smtn-stat-card__number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--primary-dark);
}

.smtn-stat-card__desc {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* 亮点区块 */
.smtn-highlight-block {
  background: rgba(255, 255, 255, 0.88);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(190, 201, 195, 0.35);
  padding: var(--spacing-3xl);
  box-shadow: var(--shadow-md);
}

.smtn-highlight-block h3 {
  margin-bottom: var(--spacing-lg);
}

.smtn-two-column {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-2xl);
}

.smtn-checklist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--spacing-md);
}

.smtn-checklist li {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  color: var(--text-secondary);
}

.smtn-checklist li::before {
  content: "✓";
  color: var(--primary-color);
  font-weight: 700;
  margin-top: 2px;
}

/* 信息提示 */
.smtn-infobox {
  padding: var(--spacing-2xl);
  border-radius: var(--radius-2xl);
  background: rgba(27, 106, 201, 0.08);
  border: 1px solid rgba(27, 106, 201, 0.25);
  color: var(--secondary-dark);
  box-shadow: var(--shadow-sm);
}

.smtn-infobox--success {
  background: rgba(31, 122, 77, 0.08);
  border-color: rgba(31, 122, 77, 0.25);
  color: var(--primary-dark);
}

.smtn-infobox strong {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-lg);
}

/* 媒体列表 */
.smtn-media-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.smtn-media-list__item {
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-2xl);
  border: 1px solid rgba(190, 201, 195, 0.35);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}

.smtn-media-list__item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.smtn-media-list__content {
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* 折叠面板 */
.smtn-accordion {
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(190, 201, 195, 0.4);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.smtn-accordion__item + .smtn-accordion__item {
  border-top: 1px solid rgba(190, 201, 195, 0.35);
}

.smtn-accordion__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl) var(--spacing-2xl);
  cursor: pointer;
}

.smtn-accordion__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.smtn-accordion__icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: rgba(31, 122, 77, 0.12);
  color: var(--primary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  transition: transform var(--transition-base);
}

.smtn-accordion__item.is-open .smtn-accordion__icon {
  transform: rotate(45deg);
}

.smtn-accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base) ease, padding var(--transition-base);
  padding: 0 var(--spacing-2xl);
}

.smtn-accordion__item.is-open .smtn-accordion__content {
  padding: var(--spacing-xl) var(--spacing-2xl) var(--spacing-2xl);
}

.smtn-accordion__content p {
  margin-bottom: var(--spacing-md);
}

/* 动画关键帧 */
@keyframes smtnFloat {
  0% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

.smtn-floating {
  animation: smtnFloat 6s ease-in-out infinite;
}