/*
 * rc-daily-ai-news.css — AI 快讯模块专属样式
 */

/* ═══════════ 1. CSS 变量 ═══════════ */
:root {
  --ain-accent:       var(--rc-accent-600, #2563eb);
  --ain-accent-lt:    var(--rc-accent-400, #5286f7);
  --ain-accent-rgb:   var(--rc-accent-rgb, 82, 134, 247);
  --ain-banner-h:     360px;
  --ain-banner-sm:    240px;
  --ain-r:            14px;
  --ain-sidebar-w:    284px;
  --ain-bg:           #f4f6f9;
  --ain-card:         #ffffff;
  --ain-border:       rgba(226,232,240,.9);
  --ain-text:         #0f172a;
  --ain-text2:        #475569;
  --ain-muted:        #94a3b8;
  --ain-line:         rgba(148,163,184,.2);
  --ain-sk1:          rgba(148,163,184,.13);
  --ain-sk2:          rgba(148,163,184,.28);
  --ain-sh:           0 2px 8px rgba(15,23,42,.05),0 1px 2px rgba(15,23,42,.04);
  --ain-sh-h:         0 12px 32px rgba(15,23,42,.12),0 4px 10px rgba(15,23,42,.06);
  --ain-ease:         cubic-bezier(.22,1,.36,1);
}
html.dark {
  --ain-bg:    #0f172a;
  --ain-card:  rgba(30,41,59,.92);
  --ain-border:rgba(51,65,85,.7);
  --ain-text:  #f8fafc;
  --ain-text2: #cbd5e1;
  --ain-muted: #64748b;
  --ain-line:  rgba(71,85,105,.45);
  --ain-sk1:   rgba(71,85,105,.3);
  --ain-sk2:   rgba(100,116,139,.5);
  --ain-sh:    0 2px 12px rgba(0,0,0,.28);
  --ain-sh-h:  0 14px 36px rgba(0,0,0,.42);
}

/* ═══════════ 2. 顶栏 ═══════════ */
.ain-header-divider {
  display: inline-block;
  width: 1px; height: 1.25rem;
  background: rgba(148,163,184,.45);
  margin: 0 .5rem;
  flex-shrink: 0;
}
.ain-header-title {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .9375rem;
  font-weight: 700;
  color: var(--ain-accent);
  letter-spacing: -.01em;
  white-space: nowrap;
}
html.dark .ain-header-title { color: var(--ain-accent-lt); }

/* ═══════════ 3. Banner ═══════════ */
.ain-banner {
  position: relative;
  height: var(--ain-banner-h);
  overflow: hidden;
  flex-shrink: 0;
}
@media (max-width:640px) { .ain-banner { height: var(--ain-banner-sm); } }

.ain-banner__bg { position: absolute; inset: 0; z-index: 0; }
.ain-banner__img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transform: scale(1.06);
  transition: transform 7s ease-out;
  will-change: transform;
}
.ain-banner.is-loaded .ain-banner__img { transform: scale(1); }

.ain-banner__overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(to top,  rgba(2,6,23,.82) 0%, rgba(2,6,23,.18) 55%, rgba(2,6,23,.04) 100%),
    linear-gradient(to right, rgba(2,6,23,.42) 0%, transparent 60%);
}
.ain-banner__fade {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to bottom, transparent 0%, var(--ain-bg) 100%);
  z-index: 2;
  pointer-events: none;
  transition: background .3s;
}
.ain-banner__content {
  position: absolute; inset: 0; z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 clamp(1rem,5vw,3rem) 3.5rem;
  color: #fff;
}
.ain-banner__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  opacity: .82;
  margin-bottom: .6rem;
  animation: ainUp .7s var(--ain-ease) both;
}
.ain-live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #22d3ee;
  box-shadow: 0 0 0 0 rgba(34,211,238,.6);
  animation: ainPulse 1.8s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes ainPulse {
  0%  { box-shadow: 0 0 0 0   rgba(34,211,238,.6); }
  70% { box-shadow: 0 0 0 8px rgba(34,211,238,0); }
  100%{ box-shadow: 0 0 0 0   rgba(34,211,238,0); }
}
.ain-banner__heading {
  font-family: 'Noto Serif SC','Songti SC','STSong',Georgia,serif;
  font-size: clamp(2rem,5vw,3.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin: 0 0 .6rem;
  letter-spacing: -.02em;
  text-shadow: 0 2px 24px rgba(0,0,0,.55);
  animation: ainUp .7s .08s var(--ain-ease) both;
}
.ain-banner__sub {
  font-size: clamp(.8rem,2vw,.9375rem);
  opacity: .75;
  margin: 0 0 1.1rem;
  letter-spacing: .06em;
  animation: ainUp .7s .16s var(--ain-ease) both;
}
.ain-banner__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  animation: ainUp .7s .24s var(--ain-ease) both;
}
.ain-banner-tag {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .28rem .72rem;
  border-radius: 9999px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.28);
  color: #fff;
  cursor: pointer;
  transition: background .18s, border-color .18s, transform .18s var(--ain-ease);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  user-select: none;
}
.ain-banner-tag:hover {
  background: rgba(255,255,255,.24);
  border-color: rgba(255,255,255,.5);
  transform: translateY(-1px);
}
.ain-banner-tag.is-active {
  background: var(--ain-accent);
  border-color: var(--ain-accent);
  box-shadow: 0 4px 14px rgba(var(--ain-accent-rgb),.4);
}
@keyframes ainUp {
  from { opacity:0; transform:translateY(18px); }
  to   { opacity:1; transform:translateY(0); }
}

/* ═══════════ 4. 布局 ═══════════ */
.ain-page-body { background: var(--ain-bg); transition: background .3s; }
.ain-layout {
  max-width: 1360px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}
@media (max-width:1023px) { .ain-layout { flex-direction: column; gap: 1.5rem; } }
@media (max-width:640px)  { .ain-layout { padding: 1.25rem .85rem 3rem; } }

.ain-main    { flex:1 1 auto; min-width:0; }
.ain-sidebar {
  width: var(--ain-sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
@media (max-width:1023px) { .ain-sidebar { width:100%; } }

/* ═══════════ 5. 工具栏 ═══════════ */
.ain-toolbar {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  padding-bottom: .875rem;
  border-bottom: 1px solid var(--ain-line);
  position: sticky;
  top: 3.55rem;
  z-index: 20;
  background: var(--ain-bg);
  transition: background .3s;
}
.ain-toolbar__cats {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  flex: 1 1 auto;
  min-width: 0;
}
.ain-cat-btn {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .3rem .8rem;
  border-radius: 9999px;
  font-size: .8125rem;
  font-weight: 500;
  border: 1px solid var(--ain-border);
  background: var(--ain-card);
  color: var(--ain-text2);
  cursor: pointer;
  transition: color .18s, border-color .18s, background .18s, box-shadow .18s;
  white-space: nowrap;
  user-select: none;
}
.ain-cat-btn:hover   { border-color: var(--ain-accent); color: var(--ain-accent); }
.ain-cat-btn.is-active {
  background: var(--ain-accent);
  border-color: var(--ain-accent);
  color: #fff;
  box-shadow: 0 3px 10px rgba(var(--ain-accent-rgb),.28);
}
html.dark .ain-cat-btn.is-active { box-shadow: 0 3px 12px rgba(var(--ain-accent-rgb),.38); }

.ain-toolbar__actions { display:flex; align-items:center; gap:.5rem; flex-shrink:0; }
.ain-search-wrap { position:relative; display:flex; align-items:center; }
.ain-search-icon {
  position:absolute; left:.65rem;
  color: var(--ain-muted);
  font-size: .8rem;
  pointer-events: none;
}
.ain-search-input {
  height: 2.1rem;
  padding: 0 .75rem 0 2rem;
  border-radius: 9999px;
  border: 1px solid var(--ain-border);
  background: var(--ain-card);
  color: var(--ain-text);
  font-size: .8125rem;
  outline: none;
  width: 10rem;
  transition: border-color .2s, box-shadow .2s, width .3s var(--ain-ease);
}
.ain-search-input::placeholder { color: var(--ain-muted); }
.ain-search-input:focus {
  border-color: var(--ain-accent);
  box-shadow: 0 0 0 2.5px rgba(var(--ain-accent-rgb),.18);
  width: 13rem;
}
.ain-sort-select {
  height: 2.1rem;
  padding: 0 1.8rem 0 .65rem;
  border-radius: 9999px;
  border: 1px solid var(--ain-border);
  background: var(--ain-card);
  color: var(--ain-text2);
  font-size: .8125rem;
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%2394a3b8' d='M2 3.5L5 6.5L8 3.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .55rem center;
  transition: border-color .2s;
}
.ain-sort-select:focus { border-color: var(--ain-accent); outline: none; }

/* ═══════════ 6. 骨架屏 ═══════════ */
@keyframes ainShimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}
.ain-sk {
  display: block;
  border-radius: .5rem;
  background: linear-gradient(90deg,var(--ain-sk1) 0%,var(--ain-sk2) 45%,var(--ain-sk1) 90%);
  background-size: 200% 100%;
  animation: ainShimmer 1.2s ease-in-out infinite;
}
@media (prefers-reduced-motion:reduce) { .ain-sk { animation:none; background:var(--ain-sk1); } }

.ain-skeleton-card {
  background: var(--ain-card);
  border: 1px solid var(--ain-border);
  border-radius: var(--ain-r);
  padding: 1.1rem 1.2rem;
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  box-shadow: var(--ain-sh);
}
.ain-sk-thumb  { width:5.5rem; height:5.5rem; border-radius:.65rem; flex-shrink:0; }
.ain-sk-lines  { flex:1; min-width:0; display:flex; flex-direction:column; gap:.42rem; padding-top:.1rem; }
.ain-sk-cat    { height:.62rem;  width:4rem;  border-radius:.25rem; }
.ain-sk-title  { height:1rem;    width:75%;   border-radius:.35rem; }
.ain-sk-title2 { height:.875rem; width:55%;   border-radius:.35rem; }
.ain-sk-desc   { height:.62rem;  width:90%;   border-radius:.25rem; }
.ain-sk-desc2  { height:.62rem;  width:65%;   border-radius:.25rem; }
.ain-sk-meta   { height:.55rem;  width:8rem;  border-radius:.2rem;  margin-top:.2rem; }

/* ═══════════ 7. 虚拟列表 ═══════════ */
.ain-vlist-wrap  { position:relative; }
.ain-vlist-spacer{ position:absolute; top:0; left:0; right:0; pointer-events:none; }
.ain-vlist-inner { position:relative; display:flex; flex-direction:column; gap:.75rem; }

/* ═══════════ 8. 快讯卡片 ═══════════ */
.ain-card {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  background: var(--ain-card);
  border: 1px solid var(--ain-border);
  border-radius: var(--ain-r);
  padding: 1.1rem 1.2rem;
  box-shadow: var(--ain-sh);
  cursor: pointer;
  transition: box-shadow .22s var(--ain-ease), border-color .22s, transform .22s var(--ain-ease);
  color: inherit;
  position: relative;
  overflow: hidden;
  will-change: transform;
}
.ain-card:hover {
  box-shadow: var(--ain-sh-h);
  border-color: rgba(var(--ain-accent-rgb),.35);
  transform: translateY(-2px);
}
.ain-card__thumb {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: .65rem;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--ain-sk1);
  transition: transform .3s var(--ain-ease);
}
.ain-card:hover .ain-card__thumb { transform: scale(1.04); }
.ain-card__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: .3rem;
}
.ain-card__top {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
  margin-bottom: .1rem;
}
.ain-card__cat {
  display: inline-flex;
  align-items: center;
  gap: .22rem;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ain-accent);
  background: rgba(var(--ain-accent-rgb),.08);
  border-radius: .3rem;
  padding: .12rem  .4rem;
}
html.dark .ain-card__cat { background: rgba(var(--ain-accent-rgb),.15); }
.ain-card__hot-badge {
  display: inline-flex;
  align-items: center;
  gap: .18rem;
  font-size: .65rem;
  font-weight: 600;
  color: #f97316;
  background: rgba(249,115,22,.1);
  border-radius: .25rem;
  padding: .1rem .36rem;
}
.ain-card__title {
  font-size: .9375rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ain-text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
  letter-spacing: -.01em;
}
.ain-card__desc {
  font-size: .8125rem;
  color: var(--ain-text2);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}
.ain-card__meta {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
  font-size: .72rem;
  color: var(--ain-muted);
  margin-top: .15rem;
}
.ain-card__meta-dot { font-size: .4rem; opacity: .5; }
.ain-card__source {
  display: inline-flex;
  align-items: center;
  gap: .22rem;
}
.ain-card__source-icon {
  width: .9rem;
  height: .9rem;
  border-radius: .15rem;
  object-fit: cover;
}
.ain-card__views,
.ain-card__comments {
  display: inline-flex;
  align-items: center;
  gap: .22rem;
}
.ain-card::before {
  content: "";
  position: absolute;
  left: 0; top: .75rem; bottom: .75rem;
  width: 3px;
  border-radius: 0 2px 2px 0;
  background: var(--ain-accent);
  opacity: 0;
  transition: opacity .22s;
}
.ain-card:hover::before { opacity: 1; }

/* �T�T�T�T�T�T�T�T�T�T�T 9. ��״̬ �T�T�T�T�T�T�T�T�T�T�T */
.ain-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 5rem 1rem;
  gap: .75rem;
  color: var(--ain-muted);
  text-align: center;
}
.ain-empty__icon { font-size: 3rem; opacity: .4; }
.ain-empty__text { font-size: .9375rem; margin: 0; }
.ain-btn-reset {
  padding: .4rem 1.1rem;
  border-radius: 9999px;
  border: 1px solid var(--ain-border);
  background: var(--ain-card);
  color: var(--ain-text2);
  font-size: .8125rem;
  cursor: pointer;
  transition: border-color .18s, color .18s;
}
.ain-btn-reset:hover { border-color: var(--ain-accent); color: var(--ain-accent); }

/* �T�T�T�T�T�T�T�T�T�T�T 10. ���ظ��� / ĩβ�� �T�T�T�T�T�T�T�T�T�T�T */
.ain-load-more-bar {
  display: flex;
  justify-content: center;
  padding: 1.5rem 0 .5rem;
}
.ain-btn-load-more {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .55rem 1.6rem;
  border-radius: 9999px;
  border: 1px solid var(--ain-border);
  background: var(--ain-card);
  color: var(--ain-text2);
  font-size: .8375rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color .18s, color .18s, box-shadow .18s;
}
.ain-btn-load-more:hover {
  border-color: var(--ain-accent);
  color: var(--ain-accent);
  box-shadow: 0 3px 10px rgba(var(--ain-accent-rgb),.15);
}
.ain-end-bar {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 1.5rem 0 .5rem;
  color: var(--ain-muted);
  font-size: .75rem;
}
.ain-end-line { flex:1; height:1px; background: var(--ain-line); }
.ain-end-text { white-space: nowrap; }

/* �T�T�T�T�T�T�T�T�T�T�T 11. ����� Widget �T�T�T�T�T�T�T�T�T�T�T */
.ain-widget {
  background: var(--ain-card);
  border: 1px solid var(--ain-border);
  border-radius: var(--ain-r);
  overflow: hidden;
  box-shadow: var(--ain-sh);
}
.ain-widget__head {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ain-text2);
  padding: .75rem 1rem;
  border-bottom: 1px solid var(--ain-line);
}
.ain-widget__body { padding: .85rem 1rem; }

.ain-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .75rem;
}
.ain-stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: .65rem .5rem;
  border-radius: .65rem;
  background: var(--ain-bg);
  gap: .2rem;
}
.ain-stat-num {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--ain-text);
  letter-spacing: -.03em;
  line-height: 1;
}
.ain-stat-label {
  font-size: .68rem;
  color: var(--ain-muted);
  letter-spacing: .04em;
}

.ain-hot-list {
  list-style: none;
  margin: 0;
  padding: .5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.ain-hot-item {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  padding: .55rem 1rem;
  cursor: pointer;
  transition: background .15s;
}
.ain-hot-item:hover { background: rgba(var(--ain-accent-rgb),.05); }
.ain-hot-rank {
  font-size: .75rem;
  font-weight: 800;
  min-width: 1.2rem;
  text-align: center;
  color: var(--ain-muted);
  padding-top: .05rem;
  flex-shrink: 0;
}
.ain-hot-item:nth-child(1) .ain-hot-rank { color: #ef4444; }
.ain-hot-item:nth-child(2) .ain-hot-rank { color: #f97316; }
.ain-hot-item:nth-child(3) .ain-hot-rank { color: #f59e0b; }
.ain-hot-title {
  font-size: .8125rem;
  color: var(--ain-text);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.ain-sources-list {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  padding: .6rem 1rem;
}
.ain-source-row {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--ain-text2);
  cursor: pointer;
  padding: .3rem 0;
  transition: color .15s;
}
.ain-source-row:hover { color: var(--ain-accent); }
.ain-source-favicon {
  width: 1rem;
  height: 1rem;
  border-radius: .2rem;
  object-fit: cover;
  flex-shrink: 0;
}
.ain-source-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ain-source-count {
  font-size: .7rem;
  color: var(--ain-muted);
  background: var(--ain-bg);
  border-radius: .25rem;
  padding: .06rem .3rem;
  flex-shrink: 0;
}

.ain-fab-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .5rem;
  position: sticky;
  bottom: 1.5rem;
}
@media (max-width:1023px) {
  .ain-fab-wrap {
    position: fixed;
    bottom: 1.5rem;
    right: 1.25rem;
    z-index: 40;
  }
}

/* �T�T�T�T�T�T�T�T�T�T�T 12. ���鵯�� �T�T�T�T�T�T�T�T�T�T�T */
.ain-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}
@media (min-width:640px) { .ain-modal { align-items: center; } }
.ain-modal[hidden] { display: none; }

.ain-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2,6,23,.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  animation: ainFadeIn .2s ease both;
}
@keyframes ainFadeIn { from { opacity:0; } to { opacity:1; } }

.ain-modal__box {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 680px;
  max-height: 92dvh;
  background: var(--ain-card);
  border-radius: var(--ain-r) var(--ain-r) 0 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: ainSlideUp .32s var(--ain-ease) both;
  box-shadow: 0 -8px 40px rgba(0,0,0,.18);
}
@media (min-width:640px) {
  .ain-modal__box {
    border-radius: var(--ain-r);
    animation: ainModalIn .28s var(--ain-ease) both;
    box-shadow: 0 24px 60px rgba(0,0,0,.22);
  }
}
@keyframes ainSlideUp {
  from { transform: translateY(100%); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
@keyframes ainModalIn {
  from { transform: translateY(16px) scale(.97); opacity: 0; }
  to   { transform: translateY(0)    scale(1);   opacity: 1; }
}
.ain-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .85rem 1.25rem;
  border-bottom: 1px solid var(--ain-line);
  flex-shrink: 0;
}
.ain-modal__cats { display: flex; flex-wrap: wrap; gap: .4rem; }
.ain-modal__close {
  width: 2rem; height: 2rem;
  border-radius: 50%;
  border: none;
  background: var(--ain-bg);
  color: var(--ain-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .9rem;
  flex-shrink: 0;
  transition: background .15s, color .15s;
}
.ain-modal__close:hover { background: rgba(var(--ain-accent-rgb),.1); color: var(--ain-accent); }
.ain-modal__body {
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  flex: 1;
}
.ain-modal__meta {
  display: flex;
  align-items: center;
  gap: .55rem;
  flex-wrap: wrap;
  font-size: .75rem;
  color: var(--ain-muted);
}
.ain-modal__title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--ain-text);
  line-height: 1.35;
  margin: 0;
  letter-spacing: -.02em;
}
.ain-modal__summary {
  font-size: .9rem;
  color: var(--ain-text2);
  line-height: 1.65;
  margin: 0;
  padding: .75rem 1rem;
  background: var(--ain-bg);
  border-radius: .65rem;
  border-left: 3px solid var(--ain-accent);
}
.ain-modal__content {
  font-size: .875rem;
  color: var(--ain-text2);
  line-height: 1.7;
}
.ain-modal__actions {
  display: flex;
  gap: .65rem;
  flex-wrap: wrap;
  padding-top: .5rem;
  border-top: 1px solid var(--ain-line);
}
.ain-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.25rem;
  border-radius: 9999px;
  background: var(--ain-accent);
  color: #fff;
  font-size: .8375rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity .18s, box-shadow .18s;
  box-shadow: 0 3px 10px rgba(var(--ain-accent-rgb),.3);
}
.ain-btn-primary:hover { opacity: .88; }
.ain-btn-share {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem 1.1rem;
  border-radius: 9999px;
  border: 1px solid var(--ain-border);
  background: var(--ain-card);
  color: var(--ain-text2);
  font-size: .8375rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color .18s, color .18s;
}
.ain-btn-share:hover { border-color: var(--ain-accent); color: var(--ain-accent); }

/* �T�T�T�T�T�T�T�T�T�T�T 13. Toast �T�T�T�T�T�T�T�T�T�T�T */
.ain-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: var(--ain-text);
  color: var(--ain-card);
  padding: .55rem 1.25rem;
  border-radius: 9999px;
  font-size: .8375rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  z-index: 500;
  transition: opacity .22s, transform .22s var(--ain-ease);
  box-shadow: 0 4px 16px rgba(0,0,0,.18);
}
.ain-toast.is-show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* �T�T�T�T�T�T�T�T�T�T�T 14. ��Ӧʽ���� �T�T�T�T�T�T�T�T�T�T�T */
@media (max-width:640px) {
  .ain-card { padding: .85rem .9rem; gap: .7rem; }
  .ain-card__thumb { width: 4.5rem; height: 4.5rem; }
  .ain-card__title { font-size: .875rem; }
  .ain-modal__box { max-height: 96dvh; }
  .ain-toolbar { top: 3.25rem; }
  .ain-widget__head { font-size: .75rem; }
}