@charset "utf-8";
/* 樱桃视频 · 暮色放映风 · 双层顶栏 + 杂志拼贴布局
   所有类名统一 yt- 前缀，与站内其它模板零重合（防站群指纹） */

:root{
  --yt-night:#0D1424;      /* 页面底 */
  --yt-bar:#141C31;        /* 顶栏 / 页脚（同族实色） */
  --yt-slab:#1A2340;       /* 区块面 */
  --yt-tile:#212C4D;       /* 卡片 / 输入框 */
  --yt-cherry:#E23F55;
  --yt-cherry-hi:#FF6B7D;
  --yt-cherry-lo:#B22B3E;
  --yt-cherry-ink:#C92B42;  /* 承载白字时用这个：白字 5.37:1；#E23F55 只有 4.14:1 不达标 */
  --yt-amber:#FFB067;      /* 暖橙光：评分、放映光束 */
  --yt-light:#EEF1F8;
  --yt-mute:#9FA9C2;
  --yt-dim:#98A1BA;   /* 提亮：原 #68738F 当正文色压在 tile/slab 上只有 2.9-3.3:1，不达 AA */
  --yt-hair:rgba(226,63,85,.18);
  --yt-hair2:rgba(159,169,194,.14);

  --yt-c1:4px; --yt-c2:10px; --yt-c3:16px; --yt-cap:999px;
  --yt-gut:32px;
  --yt-max:1420px;
  --yt-glide:cubic-bezier(.24,.72,.32,1);
  --yt-type:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--yt-night);color:var(--yt-light);
  font:400 15px/1.7 var(--yt-type);
  overflow-x:hidden;
}
img{display:block;max-width:100%;border:0}
a{color:var(--yt-mute);text-decoration:none;transition:color .2s var(--yt-glide)}
a:hover{color:var(--yt-cherry-hi)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32}
p{margin:0}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--yt-amber);outline-offset:3px;border-radius:var(--yt-c1)}

.yt-jump{position:absolute;left:-9999px;top:0;z-index:999;background:var(--yt-amber);color:#12182A;
  padding:10px 18px;border-radius:0 0 var(--yt-c2) 0;font-weight:800}
.yt-jump:focus{left:0}

.yt-hold{width:100%;max-width:var(--yt-max);margin:0 auto;padding:0 var(--yt-gut)}

/* ============ 双层顶栏（实色，与页脚同族） ============ */
.yt-top{position:sticky;top:0;z-index:100;background:var(--yt-bar);box-shadow:0 2px 24px rgba(0,0,0,.5)}

.yt-top-a{border-bottom:1px solid var(--yt-hair2)}
.yt-top-a .yt-hold{display:flex;align-items:center;gap:20px;height:62px}
.yt-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.yt-logo-fruit{
  width:32px;height:32px;flex:0 0 auto;position:relative;
  background:radial-gradient(circle at 34% 32%,var(--yt-cherry-hi),var(--yt-cherry) 52%,var(--yt-cherry-lo));
  border-radius:50%;box-shadow:0 5px 16px rgba(226,63,85,.42);
}
.yt-logo-fruit::after{
  content:"";position:absolute;left:52%;bottom:82%;width:12px;height:14px;
  border:2px solid var(--yt-amber);border-width:2px 2px 0 0;border-radius:0 12px 0 0;
  transform:rotate(12deg);
}
.yt-logo-word{font-size:19px;font-weight:800;letter-spacing:.05em;color:var(--yt-light);white-space:nowrap}
.yt-logo:hover .yt-logo-word{color:var(--yt-cherry-hi)}

.yt-seek{position:relative;flex:1 1 auto;max-width:420px;margin-left:auto}
.yt-seek input{
  width:100%;height:38px;padding:0 38px 0 15px;
  background:var(--yt-tile);border:1px solid var(--yt-hair2);border-radius:var(--yt-cap);
  color:var(--yt-light);outline:none;font-size:14px;
  transition:border-color .2s var(--yt-glide),box-shadow .2s var(--yt-glide);
}
.yt-seek input::placeholder{color:var(--yt-dim)}
.yt-seek input:focus{border-color:var(--yt-cherry);box-shadow:0 0 0 3px rgba(226,63,85,.15)}
.yt-seek i{position:absolute;right:15px;top:12px;width:13px;height:13px;
  border:2px solid var(--yt-amber);border-radius:50%;pointer-events:none}
.yt-seek i::after{content:"";position:absolute;right:-4px;bottom:-4px;width:7px;height:2px;
  background:var(--yt-amber);transform:rotate(45deg);border-radius:2px}

.yt-grab{
  flex:0 0 auto;display:inline-flex;align-items:center;padding:9px 18px;border-radius:var(--yt-cap);
  background:linear-gradient(122deg,var(--yt-cherry-hi),var(--yt-cherry) 58%,var(--yt-cherry-lo));
  color:#12182A;font-weight:800;font-size:14px;
  box-shadow:0 6px 18px rgba(226,63,85,.3);
  transition:transform .2s var(--yt-glide),box-shadow .2s var(--yt-glide);
}
.yt-grab:hover{transform:translateY(-2px);color:#12182A;box-shadow:0 10px 24px rgba(226,63,85,.42)}

.yt-flip{display:none;width:40px;height:36px;flex:0 0 auto;border-radius:var(--yt-c1);cursor:pointer;
  background:var(--yt-tile);border:1px solid var(--yt-hair2);
  flex-direction:column;align-items:center;justify-content:center;gap:5px}
.yt-flip span{width:18px;height:2px;background:var(--yt-light);border-radius:2px;
  transition:transform .28s var(--yt-glide),opacity .2s var(--yt-glide)}
.yt-flip[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.yt-flip[aria-expanded="true"] span:nth-child(2){opacity:0}
.yt-flip[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 下层：分类 tab 条，带底部指示线 */
.yt-top-b{background:var(--yt-bar)}
.yt-tabs{display:flex;align-items:stretch;gap:4px;overflow-x:auto;scrollbar-width:none}
.yt-tabs::-webkit-scrollbar{display:none}
.yt-tabs a{
  position:relative;display:flex;align-items:center;padding:0 16px;height:46px;
  color:#C9D2E8;font-size:15px;font-weight:600;white-space:nowrap;
  transition:color .2s var(--yt-glide);
}
.yt-tabs a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px 3px 0 0;
  background:transparent;transition:background .2s var(--yt-glide);
}
.yt-tabs a:hover{color:var(--yt-cherry-hi)}
.yt-tabs a:hover::after{background:rgba(226,63,85,.4)}
.yt-tabs a[aria-current="page"]{color:#fff}
.yt-tabs a[aria-current="page"]::after{background:var(--yt-cherry)}

/* ============ 首屏：放映厅轮播（缩略图条控件） ============ */
.yt-reel{padding:26px 0 0}
.yt-reel h1{font-size:23px;margin-bottom:8px}
.yt-reel-lead{color:var(--yt-mute);font-size:14.5px;max-width:840px;margin-bottom:20px}

.yt-screen{position:relative;border-radius:var(--yt-c3);overflow:hidden;background:var(--yt-tile);
  box-shadow:0 20px 50px rgba(0,0,0,.5)}
.yt-frames{display:flex;transition:transform .62s var(--yt-glide);will-change:transform}
.yt-frame{position:relative;min-width:100%}
.yt-frame img{width:100%;aspect-ratio:16/9;object-fit:cover}
.yt-frame-copy{position:absolute;left:0;right:0;bottom:0;padding:30px 34px 34px;
  background:linear-gradient(0deg,rgba(13,20,36,.96) 12%,rgba(13,20,36,.6) 56%,transparent)}
.yt-badge{display:inline-block;padding:4px 13px;border-radius:var(--yt-cap);margin-bottom:11px;
  background:rgba(255,176,103,.18);color:var(--yt-amber);font-size:12.5px;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(255,176,103,.34)}
.yt-frame-copy h2{font-size:27px;margin-bottom:9px}
.yt-frame-copy p{color:var(--yt-mute);font-size:14.5px;max-width:600px;margin-bottom:17px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.yt-go{display:inline-flex;align-items:center;gap:9px;padding:10px 21px;border-radius:var(--yt-cap);
  background:var(--yt-cherry-ink);color:#fff;font-weight:800;font-size:14.5px;
  transition:transform .2s var(--yt-glide),background .2s var(--yt-glide)}
.yt-go::before{content:"";border-left:11px solid currentColor;border-top:7px solid transparent;border-bottom:7px solid transparent}
.yt-go:hover{transform:translateY(-2px);background:var(--yt-cherry-lo);color:#fff}

/* 缩略图条：代替圆点 */
.yt-strip{display:flex;gap:10px;margin-top:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.yt-strip::-webkit-scrollbar{display:none}
.yt-strip button{
  flex:0 0 132px;padding:0;border:0;cursor:pointer;background:none;border-radius:var(--yt-c2);
  overflow:hidden;position:relative;opacity:.5;
  transition:opacity .24s var(--yt-glide),transform .24s var(--yt-glide);
}
.yt-strip button img{width:100%;aspect-ratio:16/9;object-fit:cover}
.yt-strip button::after{content:"";position:absolute;inset:0;border-radius:var(--yt-c2);
  box-shadow:inset 0 0 0 2px transparent;transition:box-shadow .24s var(--yt-glide)}
.yt-strip button:hover{opacity:.85}
.yt-strip button[aria-selected="true"]{opacity:1;transform:translateY(-2px)}
.yt-strip button[aria-selected="true"]::after{box-shadow:inset 0 0 0 2px var(--yt-amber)}
.yt-strip-cap{position:absolute;left:0;right:0;bottom:0;padding:14px 8px 5px;font-size:11.5px;
  color:var(--yt-light);background:linear-gradient(0deg,rgba(13,20,36,.92),transparent);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left}

/* ============ 区块 ============ */
.yt-sec{padding:34px 0}
.yt-sec-bar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.yt-sec-bar h2{font-size:21px;display:flex;align-items:center;gap:11px}
.yt-sec-bar h2::before{content:"";width:9px;height:9px;border-radius:50%;
  background:var(--yt-cherry);box-shadow:0 0 0 4px rgba(226,63,85,.18)}
.yt-sec-note{font-size:13px;color:var(--yt-dim);margin-top:6px}
.yt-all{font-size:13.5px;font-weight:700;color:var(--yt-amber);white-space:nowrap}
.yt-all::after{content:" ▸"}

/* ---- 分类入口：胶片格横排 ---- */
.yt-films{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.yt-film{position:relative;display:block;border-radius:var(--yt-c2);overflow:hidden;background:var(--yt-tile);
  box-shadow:inset 0 0 0 1px var(--yt-hair2);transition:transform .28s var(--yt-glide),box-shadow .28s var(--yt-glide)}
.yt-film:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(226,63,85,.28),inset 0 0 0 1px var(--yt-cherry)}
.yt-film img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.82;transition:opacity .28s var(--yt-glide)}
.yt-film:hover img{opacity:1}
.yt-film-tag{position:absolute;inset:auto 0 0 0;padding:22px 14px 12px;
  background:linear-gradient(0deg,rgba(13,20,36,.95),transparent)}
.yt-film-name{display:block;font-size:15px;font-weight:800;color:#fff}
.yt-film-num{display:block;font-size:11.5px;color:var(--yt-mute);margin-top:2px}

/* ---- 杂志拼贴：1 大 + 4 小 ---- */
.yt-mag{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;
  grid-template-areas:"big big one two" "big big three four"}
.yt-mag-big{grid-area:big}
.yt-mag > *:nth-child(2){grid-area:one}
.yt-mag > *:nth-child(3){grid-area:two}
.yt-mag > *:nth-child(4){grid-area:three}
.yt-mag > *:nth-child(5){grid-area:four}

.yt-lead{position:relative;display:block;border-radius:var(--yt-c3);overflow:hidden;background:var(--yt-tile);
  box-shadow:0 12px 32px rgba(0,0,0,.42);transition:transform .3s var(--yt-glide)}
.yt-lead:hover{transform:translateY(-4px)}
.yt-lead img{width:100%;height:100%;min-height:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .5s var(--yt-glide)}
.yt-lead:hover img{transform:scale(1.04)}
.yt-lead-copy{position:absolute;inset:auto 0 0 0;padding:26px 24px 22px;
  background:linear-gradient(0deg,rgba(13,20,36,.96) 14%,rgba(13,20,36,.5) 62%,transparent)}
.yt-lead-copy h3{font-size:21px;margin-bottom:8px;color:#fff}
.yt-lead-copy p{font-size:13.5px;color:var(--yt-mute);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.yt-lead-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;margin-top:10px;font-size:12.5px;color:var(--yt-dim)}

/* ---- 3:4 卡片，文字压在图上 ---- */
.yt-card{position:relative;display:block;border-radius:var(--yt-c2);overflow:hidden;background:var(--yt-tile);
  box-shadow:0 8px 22px rgba(0,0,0,.4);transition:transform .28s var(--yt-glide),box-shadow .28s var(--yt-glide)}
.yt-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(226,63,85,.3)}
.yt-card img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .5s var(--yt-glide)}
.yt-card:hover img{transform:scale(1.05)}
.yt-card::after{content:"";position:absolute;inset:0;border-radius:var(--yt-c2);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.07);transition:box-shadow .25s var(--yt-glide)}
.yt-card:hover::after{box-shadow:inset 0 0 0 2px var(--yt-cherry)}
.yt-card-copy{position:absolute;inset:auto 0 0 0;padding:34px 13px 12px;
  background:linear-gradient(0deg,rgba(13,20,36,.96) 16%,rgba(13,20,36,.55) 58%,transparent)}
.yt-card-name{display:block;font-size:14.5px;font-weight:700;color:#fff;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.yt-card-sub{display:block;font-size:12px;color:var(--yt-mute);margin-top:3px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.yt-score{position:absolute;left:10px;top:10px;padding:2px 9px;border-radius:var(--yt-c1);
  background:rgba(13,20,36,.8);color:var(--yt-amber);font-size:12.5px;font-weight:800;
  font-variant-numeric:tabular-nums}
.yt-ep{position:absolute;right:10px;top:10px;padding:2px 9px;border-radius:var(--yt-c1);
  background:rgba(226,63,85,.92);color:#fff;font-size:11.5px;font-weight:700}

/* ---- 列表页：3:4 卡片网格 ---- */
.yt-shelf{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px 16px}

.yt-void{display:none;padding:48px 0;text-align:center;color:var(--yt-mute);font-size:15px}
.yt-void.yt-lit{display:block}

/* ---- 列表页页头 ---- */
.yt-banner{position:relative;border-radius:var(--yt-c3);overflow:hidden;margin-top:24px;
  box-shadow:0 16px 40px rgba(0,0,0,.45)}
.yt-banner img{width:100%;aspect-ratio:16/9;max-height:250px;object-fit:cover}
.yt-banner-copy{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;padding:0 36px;
  background:linear-gradient(94deg,rgba(13,20,36,.95) 22%,rgba(13,20,36,.42) 72%,transparent)}
.yt-banner-copy h1{font-size:27px;margin-bottom:9px}
.yt-banner-copy p{color:var(--yt-mute);max-width:540px;font-size:14px}

.yt-trail{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-top:18px;font-size:12.5px;color:var(--yt-dim)}
.yt-trail a{color:var(--yt-dim)}
.yt-trail a:hover{color:var(--yt-amber)}
.yt-trail span[aria-hidden]{color:#3F4966}

/* ---- 详情页：顶部胶片条 + 双栏 ---- */
.yt-perf{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:32px;margin-top:24px}
.yt-perf-art{border-radius:var(--yt-c3);overflow:hidden;background:var(--yt-tile);
  box-shadow:0 18px 42px rgba(0,0,0,.55)}
.yt-perf-art img{width:100%;aspect-ratio:3/4;object-fit:cover}
.yt-perf h1{font-size:26px;margin-bottom:13px}
.yt-facts{display:flex;flex-wrap:wrap;align-items:center;gap:11px;margin-bottom:15px;font-size:13px;color:var(--yt-mute)}
.yt-rate{font-size:31px;font-weight:800;color:var(--yt-amber);line-height:1;font-variant-numeric:tabular-nums}
.yt-chip{padding:2px 10px;border-radius:var(--yt-cap);font-size:12px;font-weight:600;
  background:rgba(226,63,85,.14);color:var(--yt-cherry-hi);box-shadow:inset 0 0 0 1px rgba(226,63,85,.28)}
.yt-story{color:#D3DAEC;line-height:1.86;margin-bottom:20px;max-width:760px}
.yt-row-btn{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.yt-quiet{display:inline-flex;align-items:center;padding:10px 21px;border-radius:var(--yt-cap);
  color:var(--yt-mute);font-weight:700;font-size:14.5px;box-shadow:inset 0 0 0 1px var(--yt-hair)}
.yt-quiet:hover{color:var(--yt-amber);box-shadow:inset 0 0 0 1px var(--yt-amber)}
.yt-sheet{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px 24px;
  background:var(--yt-slab);border-radius:var(--yt-c2);padding:17px 19px;
  box-shadow:inset 0 0 0 1px var(--yt-hair2);font-size:13.5px;color:var(--yt-dim)}
.yt-sheet b{color:var(--yt-light);font-weight:600}
.yt-eps{display:grid;grid-template-columns:repeat(auto-fill,minmax(76px,1fr));gap:9px}
.yt-eps a{text-align:center;padding:9px 0;border-radius:var(--yt-c1);background:var(--yt-tile);
  font-size:13.5px;font-weight:600;box-shadow:inset 0 0 0 1px var(--yt-hair2)}
.yt-eps a:hover{background:rgba(226,63,85,.16);color:var(--yt-cherry-hi);box-shadow:inset 0 0 0 1px var(--yt-cherry)}

/* ---- APP 页 ---- */
.yt-app{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px;align-items:center;padding:36px 0}
.yt-app h1{font-size:31px;margin-bottom:15px}
.yt-app p{color:var(--yt-mute);font-size:15.5px;margin-bottom:21px}
.yt-shots{display:flex;gap:14px;justify-content:center}
.yt-shots img{width:32%;border-radius:var(--yt-c2);box-shadow:0 22px 46px rgba(0,0,0,.52);
  aspect-ratio:420/860;object-fit:cover}
.yt-shots img:nth-child(2){transform:translateY(-16px)}
.yt-perks{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.yt-perk{background:var(--yt-slab);border-radius:var(--yt-c2);padding:18px;box-shadow:inset 0 0 0 1px var(--yt-hair2)}
.yt-perk-dot{width:32px;height:32px;border-radius:50%;margin-bottom:12px;
  background:radial-gradient(circle at 34% 32%,var(--yt-cherry-hi),var(--yt-cherry-lo))}
.yt-perk h3{font-size:15.5px;margin-bottom:6px}
.yt-perk p{font-size:13px;color:var(--yt-dim);margin:0}
.yt-walk{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.yt-walk-item{background:var(--yt-slab);border-radius:var(--yt-c2);padding:18px;box-shadow:inset 0 0 0 1px var(--yt-hair2)}
.yt-walk-item b{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;
  background:var(--yt-amber);color:#12182A;font-size:14px;margin-bottom:11px}
.yt-walk-item h3{font-size:15px;margin-bottom:5px}
.yt-walk-item p{font-size:13px;color:var(--yt-dim);margin:0}
.yt-ask{background:var(--yt-slab);border-radius:var(--yt-c2);padding:14px 19px;margin-bottom:10px;
  box-shadow:inset 0 0 0 1px var(--yt-hair2)}
.yt-ask h3{font-size:14.5px;color:var(--yt-cherry-hi);margin-bottom:5px}
.yt-ask p{font-size:13.5px;color:var(--yt-mute)}

/* ---- 下载引导条 ---- */
.yt-call{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  margin-bottom:34px;padding:26px 28px;border-radius:var(--yt-c3);
  background:linear-gradient(116deg,rgba(226,63,85,.2),rgba(255,176,103,.12));
  box-shadow:inset 0 0 0 1px var(--yt-hair)}
.yt-call h2{font-size:20px;margin-bottom:6px}
.yt-call p{color:var(--yt-mute);font-size:13.5px}

/* ---- 友情链接（仅首页，紧贴页脚上方） ---- */
.yt-pals{background:linear-gradient(180deg,var(--yt-night) 0%,var(--yt-slab) 44%,var(--yt-bar) 100%);
  padding:28px 0 24px}
.yt-pals h2{font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:14px}
.yt-pals h2::before{content:"";width:9px;height:9px;border-radius:50%;
  background:var(--yt-cherry);box-shadow:0 0 0 4px rgba(226,63,85,.18)}
.yt-pals-list{display:flex;flex-wrap:wrap;gap:10px}
.yt-pals-list a{
  display:inline-block;max-width:100%;padding:8px 18px;border-radius:var(--yt-cap);
  background:var(--yt-tile);color:var(--yt-light);font-size:13.5px;font-weight:600;line-height:1.5;
  box-shadow:inset 0 0 0 1px var(--yt-hair2);word-break:break-all;
  transition:background .2s var(--yt-glide),color .2s var(--yt-glide),box-shadow .2s var(--yt-glide),transform .2s var(--yt-glide);
}
.yt-pals-list a:hover{
  background:linear-gradient(122deg,var(--yt-cherry-ink),var(--yt-cherry-lo));color:#fff;
  box-shadow:0 8px 20px rgba(226,63,85,.32);transform:translateY(-2px);
}

/* ---- 页脚（与顶栏同族实色） ---- */
.yt-foot{background:var(--yt-bar);border-top:1px solid var(--yt-hair);padding:32px 0 22px}
.yt-foot-cols{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:32px;margin-bottom:26px}
.yt-foot-name{font-size:18px;font-weight:800;letter-spacing:.05em;color:var(--yt-light);margin-bottom:10px;display:block}
.yt-foot-line{color:var(--yt-mute);font-size:13.5px;line-height:1.85}
.yt-foot-col h3{font-size:14.5px;margin-bottom:12px}
.yt-foot-col li{margin-bottom:9px;font-size:13.5px;color:var(--yt-mute)}
.yt-foot-col a{color:var(--yt-mute)}
.yt-links-row{display:flex;gap:9px;margin-top:12px}
.yt-links-row span{width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--yt-tile);box-shadow:inset 0 0 0 1px var(--yt-hair2);
  font-size:11.5px;font-weight:700;color:var(--yt-dim);cursor:default}
.yt-links-row span:hover{color:var(--yt-cherry-hi);box-shadow:inset 0 0 0 1px var(--yt-cherry)}
.yt-foot-tail{border-top:1px solid var(--yt-hair2);padding-top:16px;
  display:flex;flex-direction:column;gap:5px;align-items:center;text-align:center;
  font-size:12.5px;color:var(--yt-mute)}
.yt-site{font-size:14.5px;font-weight:800;letter-spacing:.05em;color:var(--yt-light)}
.yt-slogan{font-size:12.5px;color:var(--yt-mute)}

/* ---- 404 ---- */
.yt-gone{text-align:center;padding:72px 0 84px}
.yt-gone-num{font-size:88px;font-weight:800;line-height:1;color:var(--yt-cherry);
  text-shadow:0 0 36px rgba(226,63,85,.45)}
.yt-gone h1{font-size:24px;margin:16px 0 12px}
.yt-gone p{color:var(--yt-mute);margin-bottom:22px}
.yt-gone-ways{display:flex;flex-wrap:wrap;gap:11px;justify-content:center}

.yt-rise{position:fixed;right:20px;bottom:20px;width:42px;height:42px;border:0;border-radius:50%;
  background:var(--yt-cherry-ink);color:#fff;font-size:18px;font-weight:800;cursor:pointer;
  box-shadow:0 10px 26px rgba(226,63,85,.4);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--yt-glide),transform .25s var(--yt-glide),visibility .25s;z-index:80}
.yt-rise.yt-lit{opacity:1;visibility:visible;transform:none}

.yt-fade{opacity:0;transform:translateY(16px);
  transition:opacity .55s var(--yt-glide),transform .55s var(--yt-glide)}
.yt-fade.yt-shown{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .yt-shelf{grid-template-columns:repeat(4,minmax(0,1fr))}
  .yt-films{grid-template-columns:repeat(3,minmax(0,1fr))}
  .yt-mag{grid-template-columns:repeat(2,minmax(0,1fr));
    grid-template-areas:"big big" "one two" "three four"}
  .yt-lead img{aspect-ratio:16/9}
  .yt-perks{grid-template-columns:repeat(2,minmax(0,1fr))}
  .yt-sheet{grid-template-columns:repeat(2,minmax(0,1fr))}
  .yt-app{grid-template-columns:1fr;gap:26px}
  .yt-perf{grid-template-columns:minmax(0,220px) minmax(0,1fr);gap:24px}
}
@media (max-width:860px){
  :root{--yt-gut:18px}
  .yt-top-a .yt-hold{height:auto;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
  .yt-seek{order:4;flex:1 1 100%;max-width:none;margin-left:0}
  .yt-flip{display:flex;margin-left:auto}
  .yt-grab{display:none}
  .yt-top-b{max-height:0;overflow:hidden;transition:max-height .3s var(--yt-glide)}
  .yt-top-b.yt-open{max-height:60vh;overflow-y:auto;border-top:1px solid var(--yt-hair2)}
  .yt-tabs{flex-direction:column;gap:0;padding:6px 0}
  .yt-tabs a{height:44px;padding:0 var(--yt-gut)}
  .yt-tabs a::after{left:var(--yt-gut);right:auto;width:3px;top:10px;bottom:10px;height:auto;border-radius:3px}
  .yt-shelf{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px 12px}
  .yt-films{grid-template-columns:repeat(2,minmax(0,1fr))}
  .yt-mag{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-areas:"big big" "one two" "three four";gap:12px}
  .yt-frame-copy{padding:18px}
  .yt-frame-copy h2{font-size:20px}
  .yt-frame-copy p{font-size:13px}
  .yt-strip button{flex:0 0 108px}
  .yt-banner-copy{padding:0 var(--yt-gut)}
  .yt-banner-copy h1{font-size:20px}
  .yt-banner-copy p{font-size:13px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .yt-perf{grid-template-columns:1fr;gap:18px}
  .yt-perf-art{max-width:200px}
  .yt-sheet{grid-template-columns:1fr}
  .yt-walk{grid-template-columns:1fr}
  .yt-perks{grid-template-columns:1fr}
  .yt-foot-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .yt-reel h1{font-size:19px}
}
@media (max-width:560px){
  .yt-shelf{grid-template-columns:repeat(2,minmax(0,1fr))}
  .yt-mag{grid-template-columns:1fr;grid-template-areas:"big" "one" "two" "three" "four"}
  .yt-films{grid-template-columns:repeat(2,minmax(0,1fr))}
  .yt-foot-cols{grid-template-columns:1fr}
  .yt-gone-num{font-size:64px}
}
@media (max-width:380px){
  .yt-shelf,.yt-films{grid-template-columns:1fr}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .yt-fade{opacity:1;transform:none}
}