/* ============================================================
   ASIN 找竞品 · 更新公告
   森林绿主题：日期时间线 + 更新内容卡片
   ============================================================ */

.announce-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 8% 12%, rgba(103, 204, 145, 0.14), transparent 28%),
    radial-gradient(circle at 92% 28%, rgba(59, 130, 246, 0.07), transparent 24%),
    var(--c-bg);
}

.announce-container {
  width: min(1040px, calc(100% - 48px));
  margin: 0 auto;
  padding: 46px 0 88px;
}

.announce-hero {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 34px;
  padding: 28px 32px;
  overflow: hidden;
  border: 1px solid rgba(183, 228, 199, 0.88);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(230, 244, 236, 0.82));
  box-shadow: var(--shadow-md);
}

.announce-hero::after {
  content: '';
  position: absolute;
  width: 220px;
  height: 220px;
  right: -82px;
  top: -112px;
  border-radius: 50%;
  border: 34px solid rgba(103, 204, 145, 0.12);
  pointer-events: none;
}

.announce-hero-mark {
  width: 58px;
  height: 58px;
  flex: 0 0 58px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: #fff;
  font-size: 25px;
  background: linear-gradient(145deg, #67cc91, #2f9560);
  box-shadow: 0 12px 26px rgba(45, 106, 79, 0.22);
}

.announce-eyebrow {
  margin: 0 0 5px;
  color: #3d9d69;
  font: 700 10px/1 var(--font-mono);
  letter-spacing: 0.18em;
}

.announce-hero h1 {
  margin: 0;
  color: var(--c-text);
  font: 700 30px/1.25 var(--font-display);
}

.announce-intro {
  margin: 8px 0 0;
  color: var(--c-text-dim);
  font-size: 14px;
}

.announce-timeline {
  position: relative;
}

.announce-timeline::before {
  content: '';
  position: absolute;
  left: 116px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background: linear-gradient(180deg, rgba(67, 185, 120, 0.16), rgba(67, 185, 120, 0.65), rgba(67, 185, 120, 0.08));
}

.announce-empty {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px dashed var(--c-border-strong);
  border-radius: var(--radius-lg);
  color: var(--c-text-hint);
  background: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

.announce-empty-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-primary);
  box-shadow: 0 0 0 5px rgba(45, 106, 79, 0.1);
}

.announce-timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 116px minmax(0, 1fr);
  padding: 0 0 22px;
}

.announce-timeline-left {
  position: relative;
  padding: 22px 25px 0 0;
  text-align: right;
}

.announce-timeline-left::after {
  content: '';
  position: absolute;
  top: 27px;
  right: -6px;
  width: 11px;
  height: 11px;
  border: 3px solid #43b978;
  border-radius: 50%;
  background: var(--c-bg);
  box-shadow: 0 0 0 5px rgba(67, 185, 120, 0.1);
  z-index: 2;
}

.announce-timeline-date {
  display: inline-block;
  color: var(--c-primary-h);
  font: 700 12px/1.4 var(--font-mono);
  letter-spacing: 0.015em;
}

.announce-timeline-right {
  min-width: 0;
  margin-left: 26px;
  padding: 24px 28px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 26px rgba(15, 40, 25, 0.06);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.announce-timeline-item:hover .announce-timeline-right {
  transform: translateY(-2px);
  border-color: var(--c-primary-soft);
  box-shadow: 0 16px 34px rgba(45, 106, 79, 0.1);
}

.announce-timeline-content {
  color: var(--c-text-soft);
  font-size: 15px;
  line-height: 1.82;
  overflow-wrap: anywhere;
}

.announce-timeline-content > :first-child { margin-top: 0; }
.announce-timeline-content > :last-child { margin-bottom: 0; }

.announce-timeline-content h2,
.announce-timeline-content h3,
.announce-timeline-content h4 {
  color: var(--c-text);
  font-family: var(--font-body);
  font-weight: 700;
}

.announce-timeline-content h2 {
  margin: 18px 0 10px;
  padding-left: 12px;
  border-left: 3px solid #55bd82;
  font-size: 18px;
}

.announce-timeline-content h3 { margin: 16px 0 8px; font-size: 16px; }
.announce-timeline-content h4 { margin: 14px 0 7px; font-size: 14px; }
.announce-timeline-content p { margin: 7px 0; }
.announce-timeline-content br + br { display: none; }

.announce-timeline-content ul {
  display: grid;
  gap: 7px;
  margin: 9px 0;
  padding: 0;
  list-style: none;
}

.announce-timeline-content li {
  position: relative;
  padding: 8px 12px 8px 30px;
  border-radius: 9px;
  background: linear-gradient(90deg, rgba(230, 244, 236, 0.82), rgba(255, 255, 255, 0));
}

.announce-timeline-content li::before {
  content: '';
  position: absolute;
  left: 13px;
  top: 17px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #43b978;
  box-shadow: 0 0 0 3px rgba(67, 185, 120, 0.12);
}

@media (max-width: 720px) {
  .announce-container {
    width: min(100% - 28px, 1040px);
    padding: 24px 0 60px;
  }

  .announce-hero { padding: 22px 20px; border-radius: 18px; }
  .announce-hero-mark { width: 48px; height: 48px; flex-basis: 48px; border-radius: 15px; }
  .announce-hero h1 { font-size: 25px; }
  .announce-intro { font-size: 13px; }

  .announce-timeline::before { left: 7px; }
  .announce-timeline-item { display: block; padding: 0 0 18px 28px; }
  .announce-timeline-left { padding: 0 0 9px; text-align: left; }
  .announce-timeline-left::after { top: 4px; left: -27px; right: auto; }
  .announce-timeline-right { margin-left: 0; padding: 20px; border-radius: 15px; }
}

@media (max-width: 430px) {
  .announce-hero-mark { display: none; }
  .announce-hero { padding: 20px; }
  .announce-timeline-content { font-size: 14px; }
}