.sticky-wrap {
  display: grid; gap: 10px;
  margin-bottom: 12px;
}
.sticky-wrap.sticky-count-1 { grid-template-columns: 1fr; }
.sticky-wrap.sticky-count-2 { grid-template-columns: repeat(2, 1fr); }
.sticky-wrap.sticky-count-3 { grid-template-columns: repeat(3, 1fr); }

.sticky-card {
  text-decoration: none; color: inherit;
  display: block;
  margin-bottom: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  transition: box-shadow .25s, border-color .25s;
}
.sticky-card:hover {
  background: var(--glass-bg-strong);
  box-shadow: var(--shadow-md);
  border-color: rgba(255,255,255,0.7);
}
html.dark .sticky-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(255,255,255,0.1);
}

.sticky-img {
  position: relative;
  overflow: hidden;
  background: rgba(0,0,0,0.04);
}
.sticky-img img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  display: block;
}
.sticky-img-fallback {
  width: 100%; height: 130px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: rgba(255,255,255,0.9);
  font-size: 36px; font-weight: 700;
}
.sticky-img::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  background: linear-gradient(to top, var(--bg) 10%, transparent);
  pointer-events: none;
}
.sticky-badge {
  position: absolute;
  top: 10px; right: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: .5px;
  box-shadow: none;
}

.sticky-body {
  padding: 12px 14px 14px;
}
.sticky-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color .15s;
}
.sticky-card:hover .sticky-title {
  color: var(--accent);
}
.sticky-divider {
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  margin: 8px 0;
  opacity: 0.5;
}
.sticky-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: var(--text-light);
}
.sticky-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.sticky-meta i {
  font-size: 11px;
  opacity: 0.7;
}

.post-card-simple {
  display: block;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.5);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 22px 24px; margin-bottom: 14px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
  transition: background .3s, border-color .3s, box-shadow .3s;
  position: relative; overflow: hidden;
  text-decoration: none; color: inherit;
  opacity: 0; transform: translateY(16px);
}
.post-card-simple.card-visible {
  animation: cardFadeIn 0.8s ease both;
}
.post-card-simple::before {
  content: ''; position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none;
  background: var(--glass-highlight); z-index: 1;
}
.post-card-simple:hover {
  background: var(--glass-bg-strong);
  box-shadow: 0 10px 26px rgba(0,0,0,0.06);
  border-color: rgba(255,255,255,0.72);
}
html.dark .post-card-simple { box-shadow: var(--shadow-sm); }
html.dark .post-card-simple:hover { box-shadow: 0 10px 26px rgba(0,0,0,0.3); border-color: rgba(255,255,255,0.1); }

.pcs-body {
  flex: 1; min-width: 0; position: relative; z-index: 2;
}
.pcs-title {
  font-size: 16px; font-weight: 600; color: var(--text);
  line-height: 1.55; margin-bottom: 7px; letter-spacing: .1px;
  overflow: hidden; text-overflow: ellipsis;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  transition: color .15s;
}
.post-card-simple:hover .pcs-title { color: var(--accent); }
.pcs-excerpt {
  font-size: 12.5px; color: var(--text-secondary); line-height: 1.8;
  margin-bottom: 14px;
  overflow: hidden; text-overflow: ellipsis;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}
.pcs-meta {
  display: flex; align-items: center; flex-wrap: wrap; gap: 0;
  font-size: 11.5px; color: var(--text-light); letter-spacing: .2px;
}
.pcs-meta-item { display: flex; align-items: center; gap: 5px; }
.pcs-meta-item + .pcs-meta-item::before {
  content: ''; display: inline-block; width: 3px; height: 3px; border-radius: 50%;
  background: currentColor; opacity: .35; margin: 0 4px 0 9px;
}
.pcs-meta-item i { font-size: 10.5px; opacity: .72; }


.post-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.5);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 20px 22px; margin-bottom: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
  transition: background .25s, box-shadow .25s, border-color .25s;
  position: relative; overflow: hidden;
  opacity: 0; transform: translateY(16px);
}
@keyframes cardFadeIn {
  from { opacity: 0; transform: translateY(6px); filter: blur(6px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.post-card, .friend-feed-card,
.cmt-card, .cmt-item, .photo-item {
  opacity: 0; transform: translateY(16px);
}
.post-card.card-visible, .friend-feed-card.card-visible,
.cmt-card.card-visible, .cmt-item.card-visible, .photo-item.card-visible {
  animation: cardFadeIn 0.8s ease both;
}


.post-card::before {
  content: ''; position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none; -webkit-tap-highlight-color: transparent;
  background: var(--glass-highlight); z-index: 1;
}
.post-card:hover {
  background: var(--glass-bg-strong);
  box-shadow: var(--shadow-md);
  border-color: rgba(255,255,255,0.7);
}
html.dark .post-card { box-shadow: var(--shadow-sm); }
html.dark .post-card:hover { box-shadow: var(--shadow-md); border-color: rgba(255,255,255,0.1); }

.post-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; position: relative; z-index: 2; }
.post-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(0,0,0,0.04); flex-shrink: 0;
  object-fit: cover;
}
.post-avatar-text {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 16px; font-weight: 700;
  flex-shrink: 0;
}
.post-meta { flex: 1; }
.post-nickname {
  font-size: 14px; font-weight: 600; color: var(--text);
  cursor: pointer; transition: color .15s;
}
.post-nickname:hover { color: var(--accent); }
.post-time { font-size: 12px; color: var(--text-light); margin-top: 3px; }
.post-nickname a { color: var(--text); text-decoration: none; transition: color .15s; }
.post-nickname a:hover { color: var(--accent); }

.post-content {
  font-size: 14px; line-height: 1.75; color: var(--text-secondary);
  margin-bottom: 16px; word-break: break-word; overflow-wrap: break-word;
  position: relative; z-index: 2;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
  text-overflow: ellipsis;
}

.img-grid {
  display: grid; gap: 5px; border-radius: var(--radius-sm); overflow: hidden;
  margin-bottom: 16px; position: relative; z-index: 2;
}
.img-grid.g1 { grid-template-columns: 1fr; max-width: 360px; }
.img-grid.g2 { grid-template-columns: 1fr 1fr; max-width: 400px; }
.img-grid.g3 { grid-template-columns: 1fr 1fr 1fr; max-width: 440px; }
.img-grid.g4 { grid-template-columns: 1fr 1fr; max-width: 400px; }
.img-grid.g5, .img-grid.g6 { grid-template-columns: 1fr 1fr 1fr; max-width: 440px; }
.img-grid.g7, .img-grid.g8, .img-grid.g9 { grid-template-columns: 1fr 1fr 1fr; max-width: 440px; }
.img-grid .img-cell {
  aspect-ratio: 1; overflow: hidden; background: rgba(0,0,0,0.04);
  cursor: pointer; position: relative;
}
.img-grid .img-cell img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform .3s;
}
html.dark .img-grid .img-cell { background: rgba(255,255,255,0.04); }
.img-grid .img-cell .img-more {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.45);
  backdrop-filter: blur(var(--glass-blur));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 22px; font-weight: 600;
}

.post-actions {
  display: flex; align-items: center; gap: 8px; padding-top: 14px;
  position: relative; z-index: 2;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}
.action-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: none; border: none;
  cursor: pointer; color: var(--text-light); font-size: 12px;
  transition: all .2s, transform .3s var(--spring); padding: 5px 10px; border-radius: var(--radius-xs);
  text-decoration: none;
  line-height: 1;
}
.action-btn i { vertical-align: middle; font-size: 13px; }
.action-btn:hover { color: var(--accent); background: var(--accent-soft); }
html.dark .action-btn:hover { color: var(--accent); background: var(--accent-soft); }
.action-btn.liked { color: var(--accent); }
.action-btn.liked:hover { background: var(--accent-soft); }

.action-btn .action-count { font-size: 12px; font-weight: 500; }
.action-btn:hover .action-count { color: var(--accent); }

.bottom-bar {
  height: 40px; min-height: 40px;
  display: flex; align-items: center; justify-content: center;
  gap: 12px; padding: 0 16px;
  color: var(--text-light); font-size: 11px; z-index: 2;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.6);
  border-top: 1px solid var(--glass-border);
  position: relative;
}
.bottom-bar::before {
  content: ''; position: absolute; inset: 0;
  border-radius: inherit; pointer-events: none;
  background: var(--glass-highlight);
}
.bottom-bar a { color: var(--text-secondary); text-decoration: none; transition: color .15s; }
.bottom-bar a:hover { color: var(--accent); }
.bottom-bar .dot { width: 2px; height: 2px; border-radius: 50%; background: var(--text-light); opacity: .5; }

.orb {
  position: fixed; border-radius: 50%; pointer-events: none; -webkit-tap-highlight-color: transparent;
  filter: blur(90px); opacity: 0.25; z-index: 0; transition: opacity .5s;
  will-change: transform;
}
html.dark .orb { opacity: 0.12; }
.orb-1 { width: 420px; height: 420px; background: #8B9CF7; top: -100px; left: -100px; animation: f1 16s ease-in-out infinite; }
.orb-2 { width: 380px; height: 380px; background: #C084FC; bottom: -80px; right: -80px; animation: f2 19s ease-in-out infinite; }
.orb-3 { width: 320px; height: 320px; background: #67E8F9; top: 40%; left: 55%; animation: f3 13s ease-in-out infinite; }
@keyframes f1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(50px,35px); } }
@keyframes f2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-45px,-30px); } }
@keyframes f3 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-35px,45px); } }

.hamburger {
  display: none; width: 36px; height: 36px; border: none;
  background: transparent; cursor: pointer; align-items: center;
  justify-content: center; color: var(--text-secondary); font-size: 18px;
  border-radius: var(--radius-xs); transition: all .15s; flex-shrink: 0;
  position: relative; z-index: 10;
}
.hamburger:hover { background: rgba(0,0,0,0.06); color: var(--text); }
html.dark .hamburger:hover { background: rgba(255,255,255,0.08); }

.sidebar-overlay {
  display: none; position: fixed; inset: 0; z-index: 199;
  background: rgba(0,0,0,0.3);
  opacity: 0; pointer-events: none;
  transition: opacity .3s cubic-bezier(.4,0,.2,1);
  -webkit-tap-highlight-color: transparent;
}

.sidebar-mobile-header { display: none; }

.hero {
  position: relative;
  display: flex; flex-direction: column;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
  isolation: isolate;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  box-shadow: 0 6px 22px rgba(0,0,0,.10);
}
.hero-standard { min-height: 180px; }

/* 首页横幅图不参与载入动画，直接静态显示 */
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  object-fit: cover; display: block; pointer-events: none;
  opacity: 1; transform: none;
  transition: none;
}
.hero-bg.active { opacity: 1; transform: none; }

.hero-scrim { display: none; }
.hero-content {
  position: relative; z-index: 2;
  flex: 1 1 auto;
  padding: 16px 18px;
  display: flex; flex-direction: column; justify-content: space-between; gap: 10px;
}
.hero-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
}
/* 天气：收敛为右上角一枚玻璃胶囊，主行（图标+城市+温度）与副行合并一行 */
.hero-weather {
  order: 2; margin-left: auto; flex-shrink: 0; max-width: 100%;
  display: flex; align-items: center; gap: 9px;
  padding: 5px 11px; border-radius: 999px;
  color: #fff; text-align: right;
  background: rgba(0,0,0,.26);
  border: 1px solid rgba(255,255,255,.13);
  backdrop-filter: blur(10px) saturate(1.2);
  -webkit-backdrop-filter: blur(10px) saturate(1.2);
  text-shadow: none;
}
.hero-weather .hw-row { display: inline-flex; align-items: center; gap: 5px; }
.hero-weather .hw-row-main { font-size: 12.5px; font-weight: 600; line-height: 1.2; white-space: nowrap; }
.hero-weather .hw-row-sub {
  order: 2; flex-wrap: nowrap; justify-content: flex-end;
  font-size: 11px; font-weight: 400; line-height: 1.3; opacity: .78; white-space: nowrap;
}
.hero-weather .hw-icon { font-size: 13px; }
.hero-weather .hw-temp { font-variant-numeric: tabular-nums; }
.hero-weather .hw-meta:not(:empty)::before { content: '·'; margin-right: 5px; opacity: .55; }
.hero-weather.is-loading .hw-icon { opacity: .6; }
.hero-weather.is-error { opacity: .8; }

.hero-rec-wrap {
  align-self: flex-start;
  display: flex; align-items: center; gap: 9px;
  width: min(470px, 100%);
}
.hero-rec {
  position: relative; overflow: hidden;
  flex: 1 1 auto; min-width: 0;
  height: 36px; box-sizing: border-box;
  border-radius: var(--radius-pill);
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.6);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.6);
  box-shadow: var(--shadow-md);
}
.hero-rec::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  border-radius: inherit; pointer-events: none;
  background: var(--glass-highlight);
}
.hero-rec > * { position: relative; z-index: 1; }
@property --hr-ring {
  syntax: '<angle>'; initial-value: 0deg; inherits: false;
}
.hero-rec-nav::before {
  content: ''; position: absolute; inset: -2px; border-radius: 50%;
  pointer-events: none; opacity: 0;
  background: conic-gradient(var(--accent) var(--hr-ring), transparent 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px));
  transition: opacity .3s;
}
.hero-rec-nav.is-running::before { opacity: 1; animation: hrRing 5s linear forwards; }
.hero-rec-wrap.paused .hero-rec-nav.is-running::before { animation-play-state: paused; }
@keyframes hrRing { from { --hr-ring: 0deg; } to { --hr-ring: 360deg; } }
.hero-rec-ctrl {
  position: relative;
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 2px;
  height: 36px; box-sizing: border-box;
  padding: 5px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg-strong);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur)) saturate(1.6);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(1.6);
  box-shadow: var(--shadow-md);
}
.hero-rec-ctrl::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  border-radius: inherit; pointer-events: none;
  background: var(--glass-highlight);
}
.hero-rec-ctrl > * { position: relative; z-index: 1; }
.hero-rec-nav {
  position: relative;
  width: 24px; height: 24px; padding: 0; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border: none; background: transparent; cursor: pointer;
  color: var(--text-secondary); font-size: 11px;
  border-radius: 50%; line-height: 1;
  transition: transform .2s;
  -webkit-tap-highlight-color: transparent;
}
.hero-rec-nav:hover:not(:disabled) { color: var(--text); background: var(--accent-soft); }
.hero-rec-nav:active:not(:disabled) { transform: scale(.86); }
.hero-rec-nav:disabled { opacity: .32; cursor: default; }

.hero-rec-viewport {
  position: relative; overflow: hidden;
  height: 100%; border-radius: var(--radius-pill);
}
.hero-rec-track { height: 100%; margin: 0; padding: 0; list-style: none; }
.hero-rec-slide {
  position: absolute; inset: 0;
  opacity: 0; visibility: hidden; pointer-events: none;
  transform: translateY(100%) scale(.96);
  transition: opacity .3s ease, transform .46s cubic-bezier(.22,1.2,.36,1), visibility .46s;
}
.hero-rec-slide.active {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateY(0) scale(1);
}
.hero-rec-slide.exit-up { opacity: 0; visibility: visible; transform: translateY(-100%) scale(.96); }
.hero-rec-slide.exit-down { opacity: 0; visibility: visible; transform: translateY(100%) scale(.96); }

.hero-rec-slide a {
  display: flex; align-items: center; gap: 8px;
  height: 100%; box-sizing: border-box;
  padding: 0 12px;
  color: var(--text); text-decoration: none;
  font-size: 12.5px; line-height: 1.5;
}
.hero-rec .hr-avatar {
  width: 24px; height: 24px; flex-shrink: 0;
  border-radius: 50%; object-fit: cover; display: block;
}
.hero-rec .hr-avatar-text {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
}
.hero-rec .hr-author {
  flex-shrink: 0; font-size: 12px; font-weight: 600;
  color: var(--text); white-space: nowrap;
  max-width: 6em; overflow: hidden; text-overflow: ellipsis;
}
.hero-rec .hr-cat {
  flex-shrink: 0; max-width: 96px;
  padding: 2px 8px; border-radius: var(--radius-pill);
  font-size: 10.5px; font-weight: 700; line-height: 1.35;
  color: #10333D;
  background: var(--accent);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.hero-rec .hr-title {
  flex: 1; min-width: 0;
  font-size: 13.5px; font-weight: 700;
  letter-spacing: .2px;
  color: var(--text);
  transition: color .15s;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.hero-rec-slide a:hover .hr-title {
  color: var(--accent);
}
.hero-rec .hr-read {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: 4px;
  font-size: 11.5px; font-weight: 500; color: var(--text); white-space: nowrap;
}
.hero-rec .hr-read i { font-size: 10px; opacity: .7; }
.hero-rec .hr-date {
  flex-shrink: 0; display: inline-flex; align-items: center; gap: 4px;
  font-size: 11.5px; font-weight: 500; color: var(--text);
  font-variant-numeric: tabular-nums;
}
.hero-rec .hr-date i { font-size: 10px; opacity: .7; }

@media (min-width: 921px) {
  .hero-rec-wrap { align-self: stretch; width: 100%; gap: 10px; }
  .hero-rec { height: 42px; }
  .hero-rec-slide a { gap: 10px; padding: 0 16px; font-size: 13px; }
  .hero-rec .hr-avatar { width: 26px; height: 26px; }
  .hero-rec .hr-author { font-size: 12.5px; }
  .hero-rec .hr-cat { font-size: 11px; padding: 2.5px 9px; max-width: 110px; }
  .hero-rec .hr-read, .hero-rec .hr-date { font-size: 12px; }
  .hero-rec .hr-title { font-size: 14px; }
  .hero-rec-ctrl { height: 42px; padding: 5px; gap: 2px; }
  .hero-rec-nav { width: 30px; height: 30px; font-size: 12px; }
}

@media (max-width: 920px) {
  .hero-standard { min-height: 155px; }
  .hero-content { padding: 14px 15px; }
  .hero-rec-wrap { width: 100%; }
  .hero-rec-slide a { font-size: 12.5px; }
}
@media (max-width: 640px) {
  .hero { margin-bottom: 12px; }
  .hero-standard { min-height: 140px; }
  .hero-content { padding: 13px 14px; }
  .hero-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .hero-weather { order: 0; margin-left: auto; align-items: center; padding: 4px 10px; gap: 6px; }
  .hero-weather .hw-row-sub { display: none; }
  .hero-weather .hw-row-main { font-size: 12px; }
  .hero-rec-wrap { gap: 7px; }
  .hero-rec { height: 32px; }
  .hero-rec-slide a { gap: 6px; padding: 0 11px; }
  .hero-rec-ctrl { height: 32px; padding: 4px; gap: 1px; }
  .hero-rec-nav { width: 22px; height: 22px; font-size: 10px; }
  .hero-rec .hr-avatar { width: 22px; height: 22px; }
  .hero-rec .hr-author { font-size: 11.5px; }
  .hero-rec .hr-title { font-size: 12.5px; }
  .hero-rec .hr-cat, .hero-rec .hr-read { display: none; }
  .hero-rec .hr-date { font-size: 11px; }
}

/* ==================== 首页首屏封面与标题（原 index.php 内联样式） ==================== */
                /* 首屏：封面大图轮播 + 大标题 */
                #hero.hero-standard { min-height: 188px; }
                #hero.hero-plain { min-height: 134px; }
                #hero .hero-bgs { position: absolute; inset: 0; z-index: 0; overflow: hidden; border-radius: inherit; }
                #hero .hero-bg-layer {
                    position: absolute; inset: -14px;
                    background-size: cover; background-position: center;
                    opacity: 0; filter: blur(12px);
                    transition: opacity 1.05s ease, filter 1.05s ease;
                    will-change: opacity, filter;
                }
                #hero .hero-bg-layer.is-active { opacity: 1; filter: blur(0); }
                #hero .hero-content { padding: 12px 16px 8px; gap: 7px; }
                #hero .hero-feature { position: relative; flex: 1 1 auto; min-height: 84px; max-width: 600px; margin-top: auto; }
                #hero .hero-feat-track { margin: 0; padding: 0; list-style: none; height: 100%; }
                #hero .hero-feat {
                    position: absolute; left: 0; right: 0; bottom: 0;
                    opacity: 0; visibility: hidden;
                    pointer-events: none;
                }
                #hero .hero-feat:not(.is-active) { transition: opacity .16s ease, visibility .16s; }
                #hero .hero-feat.is-active { opacity: 1; visibility: visible; pointer-events: auto; }
                @keyframes heroTitleIn {
                    from { opacity: 0; transform: translateY(16px); }
                    to   { opacity: 1; transform: translateY(0); }
                }
                @keyframes heroMetaIn {
                    from { opacity: 0; transform: translateY(10px); }
                    to   { opacity: .9; transform: translateY(0); }
                }
                #hero .hero-feat.is-active .hf-title {
                    animation: heroTitleIn .78s cubic-bezier(.22,1,.36,1) backwards;
                }
                #hero .hero-feat.is-active .hf-meta {
                    animation: heroMetaIn .7s cubic-bezier(.22,1,.36,1) .08s backwards;
                }
                #hero .hero-feat a { display: block; color: #fff; text-decoration: none; }
                #hero .hf-title {
                    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
                    font-size: 21px; font-weight: 700; line-height: 1.34;
                    letter-spacing: .1px;
                    text-shadow: none;
                    transition: opacity .2s;
                }
                #hero .hero-feat a:hover .hf-title { opacity: .88; }
                #hero .hf-meta {
                    display: flex; flex-wrap: wrap; align-items: center; gap: 0;
                    margin-top: 9px; font-size: 11.5px; line-height: 1;
                    letter-spacing: .2px; opacity: .9;
                    text-shadow: none;
                }
                #hero .hf-meta > span { display: inline-flex; align-items: center; }
                #hero .hf-meta > span + span:not(.hf-cat)::before {
                    content: ''; display: inline-block;
                    width: 3px; height: 3px; border-radius: 50%;
                    background: currentColor; opacity: .45; margin: 0 10px;
                }
                #hero .hf-meta i { margin-right: 5px; font-size: 10px; opacity: .68; }
                #hero .hf-cat {
                    display: inline-flex; align-items: center;
                    margin-left: 13px; padding: 3px 10px; border-radius: 999px;
                    background: rgba(255,255,255,.14); color: #fff;
                    border: 1px solid rgba(255,255,255,.22);
                    font-size: 10.5px; font-weight: 600; line-height: 1.4;
                    letter-spacing: .3px;
                }
                #hero .hero-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
                #hero .hero-dots {
                    display: flex; align-items: center; gap: 6px; flex-wrap: wrap; max-width: 68%;
                    height: 33px; box-sizing: border-box; padding: 0 12px; border-radius: 999px;
                    background: rgba(0,0,0,.24);
                    border: 1px solid rgba(255,255,255,.11);
                    backdrop-filter: blur(8px);
                    -webkit-backdrop-filter: blur(8px);
                }
                #hero .hero-dot {
                    width: 5px; height: 5px; padding: 0; border: 0; border-radius: 999px;
                    background: rgba(255,255,255,.5); cursor: pointer;
                    transition: width .35s ease, background .3s ease;
                    -webkit-tap-highlight-color: transparent;
                }
                #hero .hero-dot.is-active { width: 16px; background: #fff; }
                #hero .hero-rec-ctrl {
                    height: 33px; padding: 3px;
                    background: rgba(0,0,0,.24);
                    border: 1px solid rgba(255,255,255,.11);
                    box-shadow: none;
                    backdrop-filter: blur(8px);
                    -webkit-backdrop-filter: blur(8px);
                }
                #hero .hero-rec-ctrl::before { background: none; }
                #hero .hero-rec-nav { width: 27px; height: 27px; color: #fff; font-size: 11px; }
                #hero .hero-rec-nav::before { inset: 0; }
                #hero .hero-rec-nav:hover:not(:disabled) { color: #fff; background: rgba(255,255,255,.18); }
                /* 播放在右箭头上用进度环表示（与原始设计一致） */
                #hero.is-paused .hero-rec-nav.is-running::before { animation-play-state: paused; }
                @media (max-width: 920px) {
                    #hero.hero-standard { min-height: 164px; }
                    #hero .hero-content { padding: 10px 12px 8px; gap: 6px; }
                    #hero .hero-feature { min-height: 46px; }
                    #hero .hf-title {
                        display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
                        -webkit-line-clamp: initial; font-size: 15.5px;
                    }
                    #hero .hf-meta { font-size: 11px; gap: 0; margin-top: 5px; }
                    #hero .hf-meta > span + span:not(.hf-cat)::before { margin: 0 6px; }
                    #hero .hf-meta i { margin-right: 2px; }
                    #hero .hf-cat { font-size: 10px; padding: 1px 8px; margin-left: 7px; }
                    #hero .hero-rec-ctrl { height: 32px; padding: 2px; }
                    #hero .hero-rec-nav { width: 26px; height: 26px; font-size: 11px; }
                }
                @media (prefers-reduced-motion: reduce) {
                    #hero .hero-bg-layer { transition: opacity .5s ease; filter: none; }
                    #hero .hero-feat.is-active .hf-title,
                    #hero .hero-feat.is-active .hf-meta { animation: none; }
                }