/* ===== 运营动态（公开页）· 极简白色风格 ===== */

.insights-page {
  --ink: #09090b;
  --ink-2: #3f3f46;
  --muted: #71717a;
  --faint: #a1a1aa;
  --line: rgba(9, 9, 11, 0.08);
  --line-2: rgba(9, 9, 11, 0.12);
  --bg: #ffffff;
  --accent: #2563eb;

  position: relative;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink-2);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* 顶部避让固定导航栏（--site-topbar-offset 定义于 base.css） */
  padding: calc(var(--site-topbar-offset, 72px) + 3.5rem) 1.25rem 4rem;
}
.insights-page ::selection { background: #dbeafe; color: #1e3a8a; }

.insights-shell {
  max-width: 56rem;
  margin: 0 auto;
}

/* ---------- 小标签 eyebrow ---------- */
.insights-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--faint);
}
.insights-eyebrow--live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 9999px;
  color: var(--ink-2);
  letter-spacing: 0.02em;
  text-transform: none;
  font-size: 12px;
  background: #fff;
}
.insights-livedot {
  width: 6px; height: 6px; border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.45);
  animation: insightsPulse 2.4s infinite;
}
@keyframes insightsPulse {
  0% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.45); }
  70% { box-shadow: 0 0 0 5px rgba(22, 163, 74, 0); }
  100% { box-shadow: 0 0 0 0 rgba(22, 163, 74, 0); }
}

/* ---------- Hero ---------- */
.insights-hero {
  text-align: center;
  padding-bottom: 2.5rem;
}
.insights-hero__title {
  margin: 1.1rem 0 0.75rem;
  font-size: 2.5rem;
  font-weight: 640;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--ink);
}
.insights-hero__lead {
  max-width: 34rem;
  margin: 0 auto;
  font-size: 0.9688rem;
  line-height: 1.65;
  color: var(--muted);
}
.insights-hero__meta {
  margin: 1rem 0 0;
  font-size: 12px;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

/* ---------- KPI 指标条 ---------- */
.insights-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  overflow: hidden;
  margin-bottom: 2.25rem;
}
.insights-stat {
  padding: 1.5rem 1.25rem;
  border-left: 1px solid var(--line);
}
.insights-stat:first-child { border-left: none; }
.insights-stat__value {
  font-size: 1.875rem;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.insights-stat__label {
  margin-top: 0.5rem;
  font-size: 12.5px;
  color: var(--muted);
}

/* ---------- 卡片 ---------- */
.insights-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 1.625rem 1.75rem;
  margin-bottom: 1.25rem;
}
.insights-card__head {
  margin-bottom: 1.25rem;
}
.insights-card__head .insights-eyebrow { display: block; margin-bottom: 0.4rem; }
.insights-card__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.insights-card__sub {
  margin: 0.3rem 0 0;
  font-size: 12.5px;
  color: var(--faint);
}
.insights-chart {
  position: relative;
  width: 100%;
  height: 320px;
}

/* ---------- 时间线 ---------- */
.insights-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
}
.insights-timeline__item {
  position: relative;
  padding: 0 0 1.5rem 1.5rem;
}
.insights-timeline__item:last-child { padding-bottom: 0; }
/* 竖线与节点共用同一条中轴（4px），保证精确居中对齐 */
.insights-timeline__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--line);
  transform: translateX(-50%);
}
.insights-timeline__item:last-child::before { bottom: auto; height: 6px; }
.insights-timeline__node {
  position: absolute;
  left: 4px;
  top: 1px;
  transform: translateX(-50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--faint);
}
.insights-timeline__item--price .insights-timeline__node { border-color: #d97706; }
.insights-timeline__item--feature .insights-timeline__node { border-color: var(--accent); }
.insights-timeline__item--notice .insights-timeline__node { border-color: #059669; }
.insights-timeline__item.is-pinned .insights-timeline__node { animation: insightsPulse 2.4s infinite; }
.insights-timeline__meta {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.3rem;
}
.insights-timeline__date {
  font-size: 12px;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.insights-timeline__tag {
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}
.insights-timeline__tag--price { color: #b45309; background: #fffbeb; border-color: #fde68a; }
.insights-timeline__tag--feature { color: #1d4ed8; background: #eff6ff; border-color: #bfdbfe; }
.insights-timeline__tag--notice { color: #047857; background: #ecfdf5; border-color: #a7f3d0; }
.insights-timeline__pin {
  font-size: 11px;
  font-weight: 600;
  color: #9f1239;
  background: #fff1f2;
  border: 1px solid #fecdd3;
  padding: 2px 8px;
  border-radius: 6px;
}
.insights-timeline__title {
  margin: 0;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink);
}
.insights-timeline__text {
  margin: 0.35rem 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 资质 ---------- */
.insights-trust__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}
.insights-trust__item {
  padding: 1.125rem 1.25rem 1.125rem 0;
  border-left: 1px solid var(--line);
  padding-left: 1.25rem;
}
.insights-trust__item:first-child { border-left: none; padding-left: 0; }
.insights-trust__name {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--faint);
}
.insights-trust__desc {
  margin: 0.4rem 0 0;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink);
  word-break: break-word;
}

/* ---------- 免责说明 ---------- */
.insights-disclaimer {
  margin: 1.75rem auto 0;
  max-width: 40rem;
  font-size: 12px;
  line-height: 1.6;
  color: var(--faint);
  text-align: center;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
  .insights-page { padding-left: 1rem; padding-right: 1rem; }
  .insights-hero__title { font-size: 2rem; }
  .insights-stats { grid-template-columns: repeat(2, 1fr); }
  .insights-stat:nth-child(3) { border-left: none; }
  .insights-stat:nth-child(n+3) { border-top: 1px solid var(--line); }
  .insights-stat__value { font-size: 1.625rem; }
  .insights-card { padding: 1.25rem 1.25rem; }
  .insights-chart { height: 280px; }
  .insights-trust__grid { grid-template-columns: repeat(2, 1fr); }
  .insights-trust__item { border-left: none; padding-left: 0; padding-top: 1rem; }
  .insights-trust__item:nth-child(even) { padding-left: 1.25rem; border-left: 1px solid var(--line); }
}
@media (prefers-reduced-motion: reduce) {
  .insights-livedot, .insights-timeline__item.is-pinned .insights-timeline__node { animation: none; }
}