/* ═══════════════════════════════════════════
   achievements.css — 战码少年教学成果
   参照 qucodeUI Achievements.css 设计
   ═══════════════════════════════════════════ */

.page-achievements {
  --rose: #E11D48;
  --rose-light: #FFE4E6;
  --blue: #2563EB;
  --blue-light: #DBEAFE;
  --teal: #0D9488;
  --teal-light: #CCFBF1;
  --amber: #D97706;
  --amber-light: #FEF3C7;
  --violet: #7C3AED;
  --violet-light: #EDE9FE;
  --emerald: #059669;
  --emerald-light: #D1FAE5;
}

/* ════════════════════ BANNER ════════════════════ */

.page-banner-achievements {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 35%, #D97706 100%);
  min-height: 360px;
  position: relative;
  overflow: hidden;
}
.page-banner-achievements .page-banner-tag { color: white !important; }
.page-banner-achievements .page-banner-body { margin-left: auto; margin-right: auto; }
.page-banner-achievements .page-banner-title {
  font-size: 3.5rem; line-height: 1.15; margin-bottom: 8px; text-align: center;
}
.page-banner-achievements .page-banner-desc {
  font-size: 1.125rem; color: rgba(255,255,255,0.85);
  line-height: 1.7; font-weight: 450; text-align: center;
  max-width: 640px; margin-left: auto; margin-right: auto;
  word-break: keep-all; overflow-wrap: break-word; text-wrap: pretty;
}
.banner-title-achievements-highlight {
  display: inline-block;
  background: linear-gradient(135deg, #FCD34D 0%, #F59E0B 50%, #D97706 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; font-size: inherit;
}
@media (max-width: 640px) {
  .page-banner-achievements { min-height: 320px; }
  .page-banner-achievements .page-banner-title { font-size: 2.5rem; }
  .page-banner-achievements .page-banner-desc {
    max-width: 92%; word-break: break-word; padding: 0 4px;
  }
}

/* ════════════════════ STATS ════════════════════ */

.achievements-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
@media (max-width: 1023px) { .achievements-stats { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) {
  .achievements-stats {
    grid-template-columns: 1fr 1fr; gap: 12px;
  }
}
@media (max-width: 380px) { .achievements-stats { grid-template-columns: 1fr; } }

.achievements-stat-item {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius-xl); padding: 36px 24px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  position: relative; overflow: hidden;
}
.achievements-stat-item:hover {
  box-shadow: 0 12px 32px rgba(0,0,0,0.06); transform: translateY(-4px);
}
.achievements-stat-item::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
}
.achievements-stat-item-blue::before { background: var(--blue); }
.achievements-stat-item-amber::before { background: var(--amber); }
.achievements-stat-item-teal::before { background: var(--teal); }
.achievements-stat-item-violet::before { background: var(--violet); }

.achievements-stat-icon-wrap {
  width: 56px; height: 56px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px; transition: transform 0.3s ease;
}
.achievements-stat-item:hover .achievements-stat-icon-wrap { transform: scale(1.1); }
.achievements-stat-icon-wrap-blue { background: var(--blue-light); color: var(--blue); }
.achievements-stat-icon-wrap-amber { background: var(--amber-light); color: var(--amber); }
.achievements-stat-icon-wrap-teal { background: var(--teal-light); color: var(--teal); }
.achievements-stat-icon-wrap-violet { background: var(--violet-light); color: var(--violet); }

.achievements-stat-num {
  font-family: var(--font-display); font-size: 2.75rem;
  font-weight: 800; line-height: 1;
}
.achievements-stat-num-blue { color: var(--blue); }
.achievements-stat-num-amber { color: var(--amber); }
.achievements-stat-num-teal { color: var(--teal); }
.achievements-stat-num-violet { color: var(--violet); }

.achievements-stat-label {
  font-size: 0.9375rem; color: var(--text-secondary); font-weight: 500;
}

/* ════════════════════ SHOWCASE CARDS ════════════════════ */

.section-achievements-showcase {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #1E3A5F 100%);
  position: relative;
}
.section-achievements-showcase .section-header h2 { color: white; }
.section-achievements-showcase .section-header .section-desc { color: rgba(255,255,255,0.65); }
.section-achievements-showcase .tag {
  background: rgba(217,119,6,0.15); color: #FCD34D;
  border: 1px solid rgba(217,119,6,0.20);
}

.achievements-showcase-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
@media (max-width: 1023px) { .achievements-showcase-grid { gap: 20px; } }
@media (max-width: 768px) { .achievements-showcase-grid { grid-template-columns: 1fr; gap: 16px; } }

.achievements-showcase-card {
  background: white; border-radius: var(--radius-xl); padding: 0;
  border: 1px solid var(--border);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
  position: relative; overflow: hidden;
}
.achievements-showcase-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.08); transform: translateY(-4px);
}
.achievements-showcase-accent { height: 4px; }
.achievements-showcase-accent-blue { background: var(--blue); }
.achievements-showcase-accent-teal { background: var(--teal); }
.achievements-showcase-accent-violet { background: var(--violet); }
.achievements-showcase-accent-rose { background: var(--rose); }
.achievements-showcase-accent-amber { background: var(--amber); }
.achievements-showcase-accent-emerald { background: var(--emerald); }

.achievements-showcase-top {
  display: flex; align-items: center; gap: 14px;
  padding: 24px 28px 0; margin-bottom: 14px;
}
.achievements-showcase-photo {
  width: 48px; height: 48px; border-radius: 50%;
  object-fit: cover; flex-shrink: 0;
  border: 2px solid white; box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.achievements-showcase-avatar {
  width: 48px; height: 48px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.125rem; font-weight: 700; color: white;
  flex-shrink: 0; font-family: var(--font-display);
}
.achievements-showcase-avatar-blue { background: var(--blue); }
.achievements-showcase-avatar-teal { background: var(--teal); }
.achievements-showcase-avatar-violet { background: var(--violet); }
.achievements-showcase-avatar-rose { background: var(--rose); }
.achievements-showcase-avatar-amber { background: var(--amber); }
.achievements-showcase-avatar-emerald { background: var(--emerald); }

.achievements-showcase-meta { flex: 1; }
.achievements-showcase-name {
  font-size: 1.125rem; font-weight: 700; margin-bottom: 2px;
}
.achievements-showcase-year { font-size: 0.8125rem; color: var(--text-tertiary); }
.achievements-showcase-quote-icon { color: rgba(0,0,0,0.08); flex-shrink: 0; }
.achievements-showcase-quote {
  font-size: 0.9375rem; color: var(--text-secondary);
  line-height: 1.7; font-style: italic; padding: 0 28px; margin-bottom: 16px;
}
.achievements-showcase-divider {
  height: 1px; background: var(--border); margin: 0 28px 16px;
}
.achievements-showcase-badges {
  display: flex; flex-wrap: wrap; gap: 8px; padding: 0 28px 24px;
}
.achievements-showcase-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border-radius: var(--radius-full);
  font-size: 0.8125rem; font-weight: 600;
}
.achievements-showcase-badge-blue { background: var(--blue-light); color: var(--blue); }
.achievements-showcase-badge-teal { background: var(--teal-light); color: var(--teal); }
.achievements-showcase-badge-violet { background: var(--violet-light); color: var(--violet); }
.achievements-showcase-badge-rose { background: var(--rose-light); color: var(--rose); }
.achievements-showcase-badge-amber { background: var(--amber-light); color: var(--amber); }
.achievements-showcase-badge-emerald { background: var(--emerald-light); color: var(--emerald); }
.achievements-showcase-badge-result {
  background: #D1FAE5; color: #059669;
}

/* ════════════════════ TIMELINE ════════════════════ */

.section-achievements-timeline { background: #F8FAFC; }
.achievements-timeline {
  max-width: 720px; margin: 0 auto;
  position: relative; padding-left: 32px;
}
.achievements-timeline::before {
  content: ''; position: absolute; left: 11px; top: 8px; bottom: 8px;
  width: 3px;
  background: linear-gradient(to bottom, var(--blue) 0%, var(--amber) 50%, var(--violet) 100%);
  border-radius: 3px;
}
.achievements-timeline-item {
  position: relative; margin-bottom: 28px;
}
.achievements-timeline-item:last-child { margin-bottom: 0; }
.achievements-timeline-dot {
  position: absolute; left: -28px; top: 20px;
  width: 16px; height: 16px; border-radius: 50%;
  background: white; border: 3px solid var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15), 0 0 12px rgba(37,99,235,0.2);
  z-index: 1;
}
.achievements-timeline-item:nth-child(2) .achievements-timeline-dot {
  border-color: var(--amber);
  box-shadow: 0 0 0 3px rgba(217,119,6,0.15), 0 0 12px rgba(217,119,6,0.2);
}
.achievements-timeline-item:nth-child(3) .achievements-timeline-dot {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.15), 0 0 12px rgba(13,148,136,0.2);
}
.achievements-timeline-item:nth-child(4) .achievements-timeline-dot {
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15), 0 0 12px rgba(124,58,237,0.2);
}
.achievements-timeline-item:nth-child(5) .achievements-timeline-dot {
  border-color: var(--rose);
  box-shadow: 0 0 0 3px rgba(225,29,72,0.15), 0 0 12px rgba(225,29,72,0.2);
}
.achievements-timeline-item:nth-child(6) .achievements-timeline-dot {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(13,148,136,0.15), 0 0 12px rgba(13,148,136,0.2);
}
.achievements-timeline-content {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 18px 22px;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
  position: relative; overflow: hidden;
}
.achievements-timeline-content:hover {
  box-shadow: 0 8px 28px rgba(0,0,0,0.06); transform: translateX(6px);
}
.achievements-timeline-content::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--blue); opacity: 0.5;
}
.achievements-timeline-item:nth-child(2) .achievements-timeline-content::before { background: var(--amber); }
.achievements-timeline-item:nth-child(3) .achievements-timeline-content::before { background: var(--teal); }
.achievements-timeline-item:nth-child(4) .achievements-timeline-content::before { background: var(--violet); }
.achievements-timeline-item:nth-child(5) .achievements-timeline-content::before { background: var(--rose); }
.achievements-timeline-item:nth-child(6) .achievements-timeline-content::before { background: var(--teal); }

.achievements-timeline-event-wrap {
  display: flex; align-items: flex-start; gap: 14px;
}
.achievements-timeline-year-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 52px; padding: 3px 10px; border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 700; color: white;
  background: var(--blue); flex-shrink: 0; margin-top: 1px;
}
.achievements-timeline-item:nth-child(2) .achievements-timeline-year-badge { background: var(--amber); }
.achievements-timeline-item:nth-child(3) .achievements-timeline-year-badge { background: var(--teal); }
.achievements-timeline-item:nth-child(4) .achievements-timeline-year-badge { background: var(--violet); }
.achievements-timeline-item:nth-child(5) .achievements-timeline-year-badge { background: var(--rose); }
.achievements-timeline-item:nth-child(6) .achievements-timeline-year-badge { background: var(--teal); }

.achievements-timeline-event {
  font-size: 0.9375rem; color: var(--text-secondary);
  line-height: 1.6; flex: 1;
}

/* ════════════════════ CTA ════════════════════ */

.section-achievements-cta {
  position: relative; overflow: hidden; background: #0B1322;
}
.section-achievements-cta-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 30% 50%, rgba(217,119,6,0.10) 0%, transparent 70%),
    radial-gradient(ellipse 50% 60% at 70% 30%, rgba(249,115,22,0.08) 0%, transparent 70%);
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px; pointer-events: none;
}
.section-achievements-cta-glow {
  position: absolute; top: -30%; left: 50%;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(217,119,6,0.08) 0%, transparent 60%);
  transform: translateX(-50%); pointer-events: none;
}
.achievements-cta {
  position: relative; display: flex; align-items: center; gap: 28px;
  background: linear-gradient(135deg, rgba(217,119,6,0.15), rgba(249,115,22,0.08));
  border: 1px solid rgba(217,119,6,0.20); border-radius: var(--radius-xl);
  padding: 40px 44px; color: white; overflow: hidden;
  backdrop-filter: blur(8px);
}
.achievements-cta-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px; pointer-events: none;
}
.achievements-cta-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: rgba(217,119,6,0.20);
  display: flex; align-items: center; justify-content: center;
  color: #FBBF24; flex-shrink: 0; position: relative; z-index: 1;
  font-size: 1.75rem;
}
.achievements-cta-body { flex: 1; position: relative; z-index: 1; }
.achievements-cta-tag {
  display: inline-block; padding: 4px 12px; border-radius: var(--radius-full);
  font-size: 0.75rem; font-weight: 600;
  color: #FBBF24; background: rgba(217,119,6,0.15); margin-bottom: 8px;
}
.achievements-cta-body h3 {
  color: white; font-size: 1.375rem; font-weight: 700; margin-bottom: 4px;
}
.achievements-cta-body p {
  color: rgba(255,255,255,0.65); font-size: 0.9375rem; margin: 0;
}
.achievements-cta .btn {
  position: relative; z-index: 1; flex-shrink: 0;
}

@media (max-width: 768px) {
  .achievements-cta { flex-direction: column; text-align: center; padding: 32px 24px; }
  .achievements-cta-body { text-align: center; }
}