/* ── PUVIC Pass 锁区动画 ── */
@keyframes lockSweep{0%{transform:translateX(-100%)}100%{transform:translateX(100%)}}
@keyframes lockFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
@keyframes lockPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.15);opacity:0.5}}
@keyframes lockShimmer{0%,100%{border-color:rgba(210,195,170,0.35)}50%{border-color:rgba(200,190,175,0.6)}}

/* ── 锁横幅（文章 / 视频 / 词汇主体下方）── */
.pl-banner {
  margin-top: 24px;
  padding: 28px 20px 24px;
  background: linear-gradient(160deg, rgba(10,10,22,0.97) 0%, rgba(15,12,30,0.97) 40%, rgba(20,15,40,0.95) 100%);
  border: 1px solid rgba(200,190,175,0.15);
  border-radius: 16px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(200,190,175,0.06), 0 0 120px rgba(210,195,170,0.03), inset 0 1px 0 rgba(255,255,255,0.02);
}
.pl-banner__sweep {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(200,190,175,0.04) 48%, rgba(210,195,170,0.06) 50%, rgba(200,190,175,0.04) 52%, transparent 65%);
  animation: lockSweep 4s ease-in-out infinite;
  pointer-events: none;
}
.pl-banner__corner { position: absolute; width: 6px; height: 6px; border-radius: 50%; }
.pl-banner__corner--tl { top: 10px; left: 10px; background: rgba(210,195,170,0.5); box-shadow: 0 0 8px rgba(210,195,170,0.4); }
.pl-banner__corner--tr { top: 10px; right: 10px; background: rgba(200,190,175,0.5); box-shadow: 0 0 8px rgba(200,190,175,0.4); }
.pl-banner__corner--bl { bottom: 10px; left: 10px; background: rgba(200,190,175,0.5); box-shadow: 0 0 8px rgba(200,190,175,0.4); }
.pl-banner__corner--br { bottom: 10px; right: 10px; background: rgba(210,195,170,0.5); box-shadow: 0 0 8px rgba(210,195,170,0.4); }
.pl-banner__inner { position: relative; z-index: 1; }
.pl-banner__icon-wrap {
  display: inline-flex; align-items: center; justify-content: center;
  position: relative; width: 48px; height: 48px; margin-bottom: 10px;
}
.pl-banner__ring {
  position: absolute; top: 50%; left: 50%; border-radius: 50%;
  animation: lockPulse 2s ease-in-out infinite;
}
.pl-banner__ring--inner { width: 48px; height: 48px; margin: -24px 0 0 -24px; border: 2px solid rgba(210,195,170,0.25); }
.pl-banner__ring--outer { width: 64px; height: 64px; margin: -32px 0 0 -32px; border: 1px solid rgba(200,190,175,0.12); animation-delay: 0.3s; }
.pl-banner__icon {
  font-size: 32px; line-height: 1;
  animation: lockFloat 2.5s ease-in-out infinite;
  filter: drop-shadow(0 0 12px rgba(210,195,170,0.4));
}
.pl-banner__title {
  font-family: 'Source Serif 4', 'Georgia', serif; font-size: 17px; font-weight: 700;
  background: linear-gradient(135deg, #e8e0d5 0%, #d4c8b8 40%, #f0ebe4 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  letter-spacing: 0.02em; margin-bottom: 6px;
}
.pl-banner__sub {
  font-size: 13px; color: rgba(210,200,185,0.7); letter-spacing: 0.06em;
  font-family: 'Inter', 'Noto Sans SC', sans-serif; font-weight: 500;
}

/* ── 卡片锁遮罩（More to Read / More to Watch / 往期单词）── */
.pl-card-overlay {
  position: absolute; inset: 0;
  background: rgba(10,10,20,0.55);
  backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 10; border-radius: 20px; overflow: hidden;
}
.pl-card-overlay__sweep {
  position: absolute; inset: 0;
  background: linear-gradient(105deg, transparent 35%, rgba(200,190,175,0.06) 48%, rgba(210,195,170,0.08) 50%, rgba(200,190,175,0.06) 52%, transparent 65%);
  animation: lockSweep 4s ease-in-out infinite;
  pointer-events: none;
}
.pl-card-overlay__inner { position: relative; z-index: 1; text-align: center; }
.pl-card-overlay__icon { font-size: 24px; margin-bottom: 4px; animation: lockFloat 2.5s ease-in-out infinite; }
.pl-card-overlay__text {
  font-family: 'Inter', 'Noto Sans SC', sans-serif; font-size: 10px; font-weight: 600;
  color: rgba(210,195,170,0.65); letter-spacing: 0.08em;
}

/* ── 往期日期锁定 ── */
.pl-past-date { text-align: center; padding: 60px 20px; }
.pl-past-date__title {
  font-family: 'Source Serif 4', 'Georgia', serif; font-size: 20px; font-weight: 700;
  background: linear-gradient(135deg, #e8e0d5 0%, #d4c8b8 40%, #f0ebe4 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  letter-spacing: 0.02em; margin-bottom: 8px;
}