/* /feeds/list.html — 未来必应 hero（星空 / 前瞻气质） */
.ffh-poster.archive-poster {
  --ffh-violet: #8b7cf6;
  --ffh-indigo: #4f6ef7;
  --ffh-cyan: #5eead4;
  --ffh-midnight: #0a0e1a;
  --ffh-nav-clear: 4.5rem;
  position: relative;
  min-height: calc(220px + var(--ffh-nav-clear));
  padding-top: var(--ffh-nav-clear);
  overflow: hidden;
  isolation: isolate;
}

.ffh-poster .ffh-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  transform-origin: 52% 38%;
  animation: ffh-ken 28s ease-in-out infinite alternate;
  will-change: transform;
}

.ffh-poster .ffh-hero-overlay {
  position: absolute;
  inset: 0;
  opacity: 1;
  background:
    linear-gradient(180deg, rgba(10, 14, 26, 0.42) 0%, rgba(12, 16, 32, 0.62) 44%, rgba(8, 10, 22, 0.82) 100%),
    radial-gradient(100% 80% at 12% 0%, rgba(79, 110, 247, 0.32), transparent 58%),
    radial-gradient(70% 55% at 88% 92%, rgba(139, 124, 246, 0.22), transparent 52%),
    radial-gradient(50% 40% at 50% 100%, rgba(94, 234, 212, 0.12), transparent 65%);
  pointer-events: none;
}

.ffh-hero-fx {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

.ffh-star {
  position: absolute;
  width: 2px;
  height: 2px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 6px 1px rgba(255, 255, 255, 0.35);
  animation: ffh-twinkle 4s ease-in-out infinite;
}

.ffh-star--1 { top: 18%; left: 12%; animation-delay: 0s; }
.ffh-star--2 { top: 28%; left: 78%; width: 3px; height: 3px; animation-delay: 0.8s; }
.ffh-star--3 { top: 52%; left: 22%; animation-delay: 1.4s; opacity: 0.7; }
.ffh-star--4 { top: 14%; left: 58%; animation-delay: 2.1s; }
.ffh-star--5 { top: 38%; left: 44%; width: 1px; height: 1px; animation-delay: 0.5s; }
.ffh-star--6 { top: 62%; left: 68%; animation-delay: 1.9s; }
.ffh-star--7 { top: 22%; left: 92%; animation-delay: 2.6s; opacity: 0.65; }

.ffh-hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(32px);
  mix-blend-mode: screen;
}

.ffh-hero-orb--a {
  width: min(48vw, 460px);
  height: min(48vw, 460px);
  top: -22%;
  right: -12%;
  background: radial-gradient(circle, rgba(79, 110, 247, 0.65) 0%, rgba(139, 124, 246, 0.15) 50%, transparent 72%);
  opacity: 0.5;
  animation: ffh-drift 18s ease-in-out infinite alternate;
}

.ffh-hero-orb--b {
  width: min(36vw, 340px);
  height: min(36vw, 340px);
  left: -10%;
  bottom: -30%;
  background: radial-gradient(circle, rgba(94, 234, 212, 0.35) 0%, rgba(79, 110, 247, 0.12) 48%, transparent 70%);
  opacity: 0.42;
  animation: ffh-drift 22s ease-in-out infinite alternate-reverse;
}

.ffh-hero-orb--c {
  width: min(20vw, 180px);
  height: min(20vw, 180px);
  top: 36%;
  left: 54%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.28) 0%, transparent 68%);
  opacity: 0.3;
  animation: ffh-pulse 6.5s ease-in-out infinite;
}

.ffh-hero-shimmer {
  position: absolute;
  inset: -30% -50%;
  background: linear-gradient(
    112deg,
    transparent 0%,
    transparent 40%,
    rgba(255, 255, 255, 0.06) 46%,
    rgba(139, 124, 246, 0.18) 50%,
    rgba(94, 234, 212, 0.1) 52%,
    rgba(255, 255, 255, 0.05) 56%,
    transparent 62%,
    transparent 100%
  );
  transform: translateX(-40%) rotate(8deg);
  animation: ffh-shimmer 11s ease-in-out infinite;
}

/* 未来时间轴：由近及远 */
.ffh-horizon {
  position: absolute;
  left: 50%;
  bottom: 1.1rem;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  width: min(90vw, 480px);
  height: 30px;
  z-index: 1;
  opacity: 0.88;
}

.ffh-horizon::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(94, 234, 212, 0.5) 0%,
    rgba(139, 124, 246, 0.45) 35%,
    rgba(255, 255, 255, 0.28) 65%,
    rgba(79, 110, 247, 0.35) 100%
  );
  transform: translateY(-50%);
  animation: ffh-line-flow 5s ease-in-out infinite;
}

.ffh-horizon-tick {
  position: relative;
  flex: 1 1 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
}

.ffh-horizon-tick::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(200, 210, 255, 0.8);
  box-shadow: 0 0 0 2px rgba(139, 124, 246, 0.3);
  z-index: 1;
  animation: ffh-tick 3.2s ease-in-out infinite;
  animation-delay: calc(var(--i, 0) * 0.22s);
}

.ffh-horizon-tick span {
  position: absolute;
  top: calc(100% + 3px);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  color: rgba(210, 218, 255, 0.7);
  white-space: nowrap;
  opacity: 0;
  transform: translateY(5px);
  animation: ffh-label-in 0.6s ease-out forwards;
  animation-delay: calc(0.4s + var(--i, 0) * 0.08s);
}

.ffh-horizon-tick.is-near::before {
  background: var(--ffh-cyan);
  box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.28), 0 0 12px rgba(94, 234, 212, 0.35);
}

.ffh-horizon-tick.is-near span {
  color: rgba(180, 255, 245, 0.95);
  font-weight: 600;
}

.ffh-horizon-tick.is-far::before {
  background: var(--ffh-violet);
  box-shadow: 0 0 0 2px rgba(139, 124, 246, 0.35), 0 0 10px rgba(139, 124, 246, 0.25);
}

.ffh-poster .ffh-hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 2.35rem;
}

.ffh-hero-badge {
  position: relative;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
  padding: 0.28rem 0.78rem 0.28rem 0.58rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #e8ecff;
  background: linear-gradient(135deg, rgba(79, 110, 247, 0.92) 0%, rgba(91, 58, 168, 0.94) 100%);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 24px rgba(40, 30, 90, 0.4);
  animation: ffh-in 0.7s ease-out both, ffh-badge-glow 4s ease-in-out 0.7s infinite;
}

.ffh-hero-badge .iconfont {
  font-size: 0.9rem;
  line-height: 1;
  color: #b8c8ff;
}

.ffh-poster .poster-title {
  margin: 0;
  font-size: clamp(1.7rem, 3.6vw, 2.25rem);
  letter-spacing: -0.02em;
  font-weight: 700;
  color: #fff;
  text-shadow: 0 2px 20px rgba(79, 110, 247, 0.35), 0 2px 14px rgba(0, 0, 0, 0.35);
  animation: ffh-in 0.75s ease-out 0.08s both;
}

.ffh-poster-sub {
  margin: 0.55rem auto 0;
  max-width: 28rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: rgba(210, 218, 255, 0.85);
  animation: ffh-in 0.75s ease-out 0.16s both;
}

@keyframes ffh-ken {
  from { transform: scale(1.02); }
  to { transform: scale(1.11); }
}

@keyframes ffh-drift {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(-6%, -8%, 0) scale(1.1); }
}

@keyframes ffh-pulse {
  0%, 100% { opacity: 0.2; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(1.18); }
}

@keyframes ffh-twinkle {
  0%, 100% { opacity: 0.35; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.4); }
}

@keyframes ffh-shimmer {
  0%, 14% { transform: translateX(-45%) rotate(8deg); opacity: 0; }
  32% { opacity: 1; }
  56% { transform: translateX(38%) rotate(8deg); opacity: 0.9; }
  70%, 100% { transform: translateX(55%) rotate(8deg); opacity: 0; }
}

@keyframes ffh-line-flow {
  0%, 100% { opacity: 0.65; }
  50% { opacity: 1; }
}

@keyframes ffh-tick {
  0%, 100% { transform: scale(1); opacity: 0.75; }
  50% { transform: scale(1.4); opacity: 1; }
}

@keyframes ffh-label-in {
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ffh-in {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ffh-badge-glow {
  0%, 100% { box-shadow: 0 8px 24px rgba(40, 30, 90, 0.38); }
  50% { box-shadow: 0 10px 32px rgba(139, 124, 246, 0.48); }
}

@media (max-width: 767.98px) {
  .ffh-poster.archive-poster {
    --ffh-nav-clear: 4rem;
    min-height: calc(176px + var(--ffh-nav-clear));
  }

  .ffh-horizon {
    width: min(94vw, 340px);
    bottom: 0.8rem;
  }

  .ffh-horizon-tick span {
    font-size: 0.5625rem;
  }

  .ffh-horizon-tick:not(.is-near):not(.is-far) span {
    display: none;
  }

  .ffh-hero-badge {
    margin-bottom: 0.65rem;
    font-size: 0.68rem;
  }

  .ffh-poster .poster-title {
    font-size: 1.4rem;
  }

  .ffh-poster-sub {
    font-size: 0.75rem;
    padding: 0 0.35rem;
  }

  .ffh-poster .ffh-hero-inner {
    padding-bottom: 1.9rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ffh-poster .ffh-hero-bg,
  .ffh-hero-orb,
  .ffh-hero-shimmer,
  .ffh-star,
  .ffh-horizon::before,
  .ffh-horizon-tick::before,
  .ffh-horizon-tick span,
  .ffh-hero-badge,
  .ffh-poster .poster-title,
  .ffh-poster-sub {
    animation: none !important;
  }

  .ffh-poster .ffh-hero-bg {
    transform: none;
  }

  .ffh-horizon-tick span {
    opacity: 1;
    transform: none;
  }
}