/* ==========================================================================
   archive.css · 成果存档索引页
   期数总览、时间轴列表、归档说明
   ========================================================================== */

.page-hero {
  position: relative;
  padding: 64px 0 46px;
  background:
    radial-gradient(circle at 88% 0%, rgba(37, 99, 235, .13), transparent 30%),
    radial-gradient(circle at 12% 6%, rgba(6, 182, 212, .11), transparent 28%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
  border-bottom: 1px solid var(--line);
}

.page-hero-grid {
  display: grid;
  grid-template-columns: 1.3fr .7fr;
  gap: 40px;
  align-items: end;
}

.page-hero h1 {
  font-size: clamp(34px, 4.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -2px;
  color: var(--navy);
}

.page-hero p {
  margin-top: 16px;
  max-width: 640px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.hero-stat {
  padding: 16px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
}
.hero-stat b {
  display: block;
  font-size: 27px;
  line-height: 1;
  color: var(--navy);
  letter-spacing: -1px;
  font-variant-numeric: tabular-nums;
}
.hero-stat span { display: block; margin-top: 6px; font-size: 10px; color: var(--muted); }

/* ---------- 期数列表 ---------- */

.phase-list { display: grid; gap: 14px; }

.phase-row {
  position: relative;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) 210px;
  gap: 26px;
  align-items: center;
  padding: 26px 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .32s var(--ease), box-shadow .32s var(--ease), border-color .32s;
}

.phase-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--teal), var(--cyan));
  opacity: 0;
  transition: opacity .3s;
}

.phase-row.is-live:hover {
  transform: translateY(-3px);
  border-color: #cfe7e3;
  box-shadow: 0 20px 44px rgba(11, 49, 91, .1);
}
.phase-row.is-live:hover::before { opacity: 1; }

.phase-year {
  font-size: 38px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -2px;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}
.phase-year small {
  display: block;
  margin-top: 6px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 1.6px;
  color: var(--faint);
  text-transform: uppercase;
}

.phase-kicker {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 6px;
  font-size: 9.5px;
  font-weight: 900;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  color: var(--teal);
}

.phase-main h3 {
  font-size: 19px;
  color: var(--navy);
  letter-spacing: -.5px;
}

.phase-main .phase-desc {
  margin-top: 7px;
  max-width: 620px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
}

.phase-main .p-meta { margin-top: 12px; }

.p-meta { display: flex; flex-wrap: wrap; gap: 6px; }
.p-meta span {
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--soft);
  border: 1px solid #eef2f6;
  font-size: 9.5px;
  font-weight: 700;
  color: #6b7a8d;
}

.phase-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
  text-align: right;
}

.phase-side .num {
  display: flex;
  align-items: baseline;
  gap: 6px;
  color: var(--navy);
}
.phase-side .num b { font-size: 24px; font-weight: 900; line-height: 1; font-variant-numeric: tabular-nums; }
.phase-side .num span { font-size: 10px; color: var(--faint); }

.phase-side .btn { width: 100%; }

.phase-row.is-off { background: linear-gradient(180deg, #fbfdff, #f7fafc); }
.phase-row.is-off .phase-year,
.phase-row.is-off .phase-main h3 { color: #6b7c90; }
.phase-row.is-off .phase-side .num b { color: #9aa8b8; }
.phase-row.is-off .phase-kicker { color: #9aa8b8; }

/* ---------- 归档说明 ---------- */

.notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.note {
  padding: 24px 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}
.note i {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--teal-wash);
  color: var(--teal-deep);
  font-style: normal;
  font-size: 10px;
  font-weight: 900;
  margin-bottom: 14px;
}
.note b { display: block; font-size: 13px; color: var(--navy); margin-bottom: 6px; }
.note p { font-size: 11.5px; line-height: 1.75; color: var(--muted); }

.callout-line {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 3px solid var(--teal);
  border-radius: var(--r-sm);
  background: #edf8f7;
  color: #47626a;
  font-size: 11.5px;
  line-height: 1.75;
}
.callout-line b { color: #145d57; }

@media (max-width: 1024px) {
  .page-hero-grid { grid-template-columns: 1fr; gap: 26px; }
  .phase-row { grid-template-columns: 92px minmax(0, 1fr); gap: 18px; }
  .phase-side { grid-column: 2; flex-direction: row; align-items: center; justify-content: space-between; text-align: left; }
  .phase-side .btn { width: auto; }
  .notes { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .page-hero { padding: 42px 0 32px; }
  .phase-row { grid-template-columns: 1fr; gap: 14px; padding: 22px 20px; }
  .phase-year { display: flex; align-items: baseline; gap: 8px; }
  .phase-year small { display: inline; margin: 0; }
  .phase-side { grid-column: 1; }
  .phase-side .btn { flex: 1; }
  .hero-stats { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .hero-stat { padding: 13px 11px; }
  .hero-stat b { font-size: 22px; }
}