/*
 * 文件名: page.css
 * 描述: 深圳市天拓光电技术有限公司 内页通用样式
 * 模块: 标签切换、流程卡片、数据表、时间轴、FAQ
 */

.page {
  position: relative;
}

.page .section-title.center {
  max-width: 720px;
}

/* ===== 标签切换组件 ===== */
.tab-nav {
  display: inline-flex;
  align-items: center;
  background: rgba(3, 9, 21, 0.75);
  border: 1px solid rgba(33, 242, 255, 0.2);
  border-radius: var(--radius-pill);
  padding: var(--spacing-6);
  gap: var(--spacing-6);
}

.tab-nav button {
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  padding: var(--spacing-12) var(--spacing-20);
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: var(--transition-fast);
}

.tab-nav button.is-active {
  background: linear-gradient(120deg, rgba(33, 242, 255, 0.25), rgba(20, 125, 255, 0.25));
  color: var(--text-title);
  box-shadow: 0 12px 24px rgba(33, 242, 255, 0.2);
}

.tab-panels {
  margin-top: var(--spacing-32);
  display: grid;
  gap: var(--spacing-32);
}

.tab-panel {
  display: none;
}

.tab-panel.is-active {
  display: grid;
  gap: var(--grid-gap);
}

/* ===== 卡片布局 ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--grid-gap);
}

.card {
  padding: var(--spacing-32);
  border-radius: var(--radius-lg);
  background: rgba(6, 14, 30, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: grid;
  gap: var(--spacing-16);
  position: relative;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(33, 242, 255, 0.15), transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.card:hover::before {
  opacity: 1;
}

.card h3 {
  color: var(--text-title);
  font-size: var(--font-size-xl);
}

.card p {
  color: var(--text-muted);
}

.card ul {
  list-style: none;
  display: grid;
  gap: var(--spacing-12);
}

.card ul li {
  color: var(--text-body);
  display: flex;
  gap: var(--spacing-12);
}

.card ul li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-secondary);
  margin-top: var(--spacing-8);
}

.card--stacked {
  grid-template-columns: minmax(0, 1fr);
  gap: var(--spacing-16);
}

.card--glass {
  background: rgba(3, 8, 18, 0.65);
  border: 1px solid rgba(124, 92, 255, 0.25);
}

/* ===== 场景时间线 ===== */
.timeline {
  display: grid;
  gap: var(--spacing-32);
  position: relative;
  padding-left: var(--spacing-40);
}

.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(33, 242, 255, 0.6), rgba(20, 125, 255, 0));
}

.timeline-item {
  position: relative;
  display: grid;
  gap: var(--spacing-12);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  padding: var(--spacing-24);
  background: rgba(6, 14, 30, 0.75);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: var(--spacing-24);
  left: -30px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 3px solid rgba(33, 242, 255, 0.6);
  background: rgba(2, 7, 20, 1);
}

.timeline-item strong {
  font-family: var(--font-en);
  color: var(--color-primary);
}

/* ===== 进度流程 ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--grid-gap);
}

.process-step {
  padding: var(--spacing-24);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(5, 12, 26, 0.75);
  display: grid;
  gap: var(--spacing-16);
  position: relative;
}

.process-step span {
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.process-step strong {
  font-family: var(--font-en);
  font-size: var(--font-size-xl);
  color: var(--text-title);
}

/* ===== 表格增强 ===== */
.metric-table thead th {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--font-size-xs);
}

.metric-table tbody td {
  font-size: var(--font-size-sm);
  color: var(--text-body);
}

.metric-table tbody tr:hover td {
  background: rgba(33, 242, 255, 0.08);
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-8);
  padding: var(--spacing-6) var(--spacing-12);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ===== 兼容性栅格 ===== */
.compat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--grid-gap);
}

.compat-card {
  padding: var(--spacing-24);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(124, 92, 255, 0.22);
  background: rgba(6, 12, 28, 0.75);
  display: grid;
  gap: var(--spacing-12);
}

.compat-card strong {
  font-size: var(--font-size-lg);
  color: var(--text-title);
}

.compat-card span {
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* ===== FAQ 手风琴 ===== */
.accordion {
  display: grid;
  gap: var(--spacing-16);
}

.accordion-item {
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 12, 26, 0.7);
  overflow: hidden;
}

.accordion-header {
  padding: var(--spacing-20);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-16);
  cursor: pointer;
}

.accordion-header h4 {
  margin: 0;
  font-size: var(--font-size-md);
  color: var(--text-title);
}

.accordion-header svg {
  width: 18px;
  height: 18px;
  transition: transform 0.3s ease;
}

.accordion-header.is-open svg {
  transform: rotate(45deg);
}

.accordion-content {
  padding: 0 var(--spacing-20) var(--spacing-20);
  color: var(--text-muted);
  display: none;
}

.accordion-content.is-open {
  display: block;
}

/* ===== 套件卡片 ===== */
.package-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--grid-gap);
}

.package-card {
  padding: var(--spacing-24);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(33, 242, 255, 0.18);
  background: rgba(6, 14, 30, 0.7);
  display: grid;
  gap: var(--spacing-16);
}

.package-card header {
  display: grid;
  gap: var(--spacing-8);
}

.package-card header span {
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.package-card strong {
  font-family: var(--font-en);
  font-size: var(--font-size-xl);
}

/* ===== 申请流程 ===== */
.application-flow {
  display: grid;
  gap: var(--spacing-24);
}

.application-flow__step {
  padding: var(--spacing-24);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(5, 12, 26, 0.75);
  display: grid;
  gap: var(--spacing-12);
}

.application-flow__step span {
  font-size: var(--font-size-xs);
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.application-flow__step strong {
  font-size: var(--font-size-lg);
  color: var(--text-title);
}

/* ===== 指标条 ===== */
.metric-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-16);
  padding: var(--spacing-16);
  border-radius: var(--radius-md);
  background: rgba(4, 10, 24, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.metric-bar strong {
  font-size: var(--font-size-lg);
  color: var(--text-title);
}

.metric-progress {
  position: relative;
  flex: 1;
  height: 8px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.metric-progress span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, rgba(33, 242, 255, 0.9), rgba(124, 92, 255, 0.7));
}

/* ===== 媒体与证书 ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--grid-gap);
}

.gallery-grid img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .tab-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .timeline {
    padding-left: var(--spacing-24);
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item::before {
    left: -24px;
  }
}