/* ============================================================
   视频卡片（首页区块 + 视频页共用）
   ============================================================ */

.video-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(270px, 1fr));
  gap:clamp(18px, 2.2vw, 30px);
  margin-top:clamp(32px, 4vw, 52px);
}

.card{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  background:rgba(9,11,18,.88);      /* 背景图变亮后，卡片要有自己的"面" */
  border:1px solid rgba(255,255,255,.10);
  transition:transform .45s cubic-bezier(.22,1,.36,1),
             border-color .3s, box-shadow .45s;
}
.card:hover{
  transform:translateY(-6px);
  border-color:rgba(255,180,205,.35);
  box-shadow:0 18px 50px rgba(0,0,0,.45), 0 0 0 1px rgba(255,180,205,.12);
}

.card-media{
  position:relative; display:block;
  aspect-ratio:3 / 4;   /* 与抖音封面 1080×1440 一致 */
  padding:10px;         /* 内缩，让封面自带的白色圆角边框完整露出 */
  background:
    radial-gradient(80% 80% at 25% 20%, rgba(124,58,237,.28), transparent 65%),
    radial-gradient(70% 70% at 80% 80%, rgba(6,182,212,.22), transparent 65%),
    #0a0d18;
  overflow:hidden;
}
.card-media img{
  width:100%; height:100%; object-fit:contain; display:block;
  border-radius:4px;
  transition:transform .6s cubic-bezier(.22,1,.36,1);
}
.card:hover .card-media img{transform:scale(1.05)}

.card-play{
  position:absolute; left:50%; top:50%;
  width:56px; height:56px; margin:-28px 0 0 -28px;
  border-radius:50%;
  display:grid; place-items:center;
  background:rgba(8,10,18,.55);
  border:1px solid rgba(255,255,255,.32);
  color:#fff; font-size:15px;
  backdrop-filter:blur(4px);
  transition:transform .4s cubic-bezier(.22,1,.36,1), background .3s, border-color .3s, color .3s;
}
.card:hover .card-play{
  transform:scale(1.12);
  background:rgba(255,180,205,.92);
  border-color:transparent;
  color:#0a0a0f;
}

.card-time{
  position:absolute; right:10px; bottom:10px;
  font-family:var(--mono); font-size:11px; letter-spacing:.08em;
  padding:3px 8px; border-radius:6px;
  background:rgba(4,6,12,.78); color:rgba(255,255,255,.8);
}

.card-body{padding:18px 18px 20px}
.card-body h3{
  margin:0 0 8px;
  font-size:16px; font-weight:600; line-height:1.5;
  letter-spacing:.01em;
}
.card-body p{
  margin:0 0 14px;
  font-size:13px; line-height:1.75;
  color:rgba(255,255,255,.52);
}
.card-meta{
  display:flex; align-items:center; gap:10px;
  font-family:var(--mono); font-size:11px; letter-spacing:.12em;
  color:rgba(255,255,255,.38);
}
.card-meta .tag{
  padding:3px 9px; border-radius:999px;
  border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.66);
}

/* 没有封面时的占位提示 */
.card-hint{
  position:absolute; left:0; right:0; top:24px;
  text-align:center;
  font-family:var(--mono); font-size:12px; letter-spacing:.18em;
  color:rgba(255,255,255,.22);
}

/* 列表加载失败 / 空状态 */
.grid-status{
  grid-column:1 / -1;
  padding:36px 0;
  text-align:center;
  font-size:13px; line-height:1.9;
  color:rgba(255,255,255,.45);
}

/* 封面占位配色（三组轮换，避免一排全一样） */
.card:nth-child(3n+2) .card-media{
  background:
    radial-gradient(80% 80% at 70% 20%, rgba(6,182,212,.26), transparent 65%),
    radial-gradient(70% 70% at 20% 85%, rgba(124,58,237,.20), transparent 65%),
    #0a0d18;
}
.card:nth-child(3n+3) .card-media{
  background:
    radial-gradient(80% 80% at 50% 15%, rgba(255,180,205,.22), transparent 62%),
    radial-gradient(70% 70% at 20% 80%, rgba(124,58,237,.22), transparent 65%),
    #0a0d18;
}

/* ---------- 站内视频播放器 ---------- */
.card-media.is-local-video{cursor:pointer}

.player[hidden]{display:none}
.player{
  position:fixed; inset:0; z-index:200;
  display:grid; place-items:center;
  padding:clamp(14px, 3vw, 48px);
}
.player-backdrop{
  position:absolute; inset:0;
  background:rgba(3,4,10,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  animation:playerFade .3s ease both;
}
.player-box{
  position:relative;
  width:min(1100px, 100%);
  display:flex; flex-direction:column; gap:12px;
  animation:playerRise .4s cubic-bezier(.22,1,.36,1) both;
}
.player-box video{
  width:100%;
  max-height:76vh;
  border-radius:12px;
  background:#000;
  box-shadow:0 30px 90px rgba(0,0,0,.6);
  display:block;
}
.player-title{
  margin:0;
  font-size:13px; letter-spacing:.04em;
  color:rgba(255,255,255,.6);
}
.player-close{
  position:absolute; right:0; top:-44px;
  width:34px; height:34px; border-radius:50%;
  display:grid; place-items:center;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:#fff; font-size:14px; cursor:pointer;
  transition:background .25s, color .25s, border-color .25s;
}
.player-close:hover{background:#fff; color:#0a0a12; border-color:#fff}

@keyframes playerFade{from{opacity:0} to{opacity:1}}
@keyframes playerRise{from{opacity:0; transform:translateY(14px) scale(.99)} to{opacity:1; transform:none}}

@media (prefers-reduced-motion: reduce){
  .player-backdrop, .player-box{animation:none}
}

/* 封面下方：抖音链接 + 复制按钮 */
.card-link{
  display:flex; align-items:stretch; gap:6px;
  margin:2px 0 12px;
}
.card-link-main{
  flex:1; min-width:0;
  display:flex; align-items:center; gap:8px;
  padding:7px 10px;
  border-radius:6px;
  background:rgba(255,255,255,.035);
  border:1px solid rgba(255,255,255,.07);
  text-decoration:none;
  overflow:hidden;
  transition:background .25s, border-color .25s;
}
.card-link-main:hover{background:rgba(255,180,205,.1); border-color:rgba(255,180,205,.35)}
.card-link-k{
  flex:none;
  font-family:var(--mono); font-size:9.5px; letter-spacing:.16em;
  color:rgba(255,180,205,.8);
}
.card-link-url{
  flex:1; min-width:0;
  font-family:var(--mono); font-size:11.5px; letter-spacing:.02em;
  color:rgba(255,255,255,.62);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
}
.card-link-main:hover .card-link-url{color:#fff}
.card-link-arrow{
  flex:none; font-size:11px;
  color:rgba(255,255,255,.35);
  transition:transform .3s, color .25s;
}
.card-link-main:hover .card-link-arrow{transform:translate(2px,-2px); color:#fff}
.card-link.is-empty{cursor:default}
.card-link.is-empty .card-link-url{color:rgba(255,255,255,.24)}

/* 复制按钮 */
.card-copy{
  flex:none;
  padding:0 10px;
  border-radius:6px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);
  color:rgba(255,255,255,.62);
  font-family:inherit; font-size:11.5px; letter-spacing:.06em;
  cursor:pointer;
  transition:background .2s, color .2s, border-color .2s;
}
.card-copy:hover{background:rgba(255,255,255,.12); color:#fff; border-color:rgba(255,255,255,.3)}
.card-copy.is-done{background:rgba(97,220,163,.16); border-color:rgba(97,220,163,.5); color:#61dca3}