/* ============================================================
   gayChou UI 3.0 —— 简约大气 · 丝滑动画 · 深色优先
   设计语言：近黑底 + 纯色卡片 + 单一强调色 + 大圆角 + 细边框
   动画：cubic-bezier(.22,1,.36,1) 全站统一
   ============================================================ */
:root{
  /* 亮色 */
  --bg:#f4f5f7;
  --bg-soft:#ffffff;
  --card:#ffffff;
  --field:#f1f2f5;
  --line:rgba(15,20,30,.08);
  --line2:rgba(15,20,30,.14);
  --fg:#16181d;
  --fg2:#78808f;
  --fg3:#a5abb8;
  --acc:#4f7dff;
  --acc-soft:rgba(79,125,255,.12);
  --danger:#e5484d;
  --danger-soft:rgba(229,72,77,.1);
  --ok:#23a06f;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow-md:0 8px 28px rgba(16,24,40,.08);
  --shadow-lg:0 24px 70px rgba(10,16,30,.22);
  --card-t:rgba(255,255,255,var(--alpha,.62));
  --btn-t:rgba(255,255,255,calc(var(--alpha,.62) * .9));
  --radius:18px;
  --radius-lg:24px;
  --nav-h:64px;
  --ease:cubic-bezier(.22,1,.36,1);
  --dur:.35s;
  --sheet-w:460px;
  --ovw:72%;
  --ovmax:680px;
  --blur:18px;
  --alpha:.62;
  --topbar-h:61px;
  --ovw-m:94%;
  --sheetw-m:92%;
}
[data-theme="dark"]{
  --bg:#0a0c10;
  --bg-soft:#11141a;
  --card:#14171e;
  --field:#1a1e27;
  --line:rgba(255,255,255,.07);
  --line2:rgba(255,255,255,.13);
  --fg:#f2f4f8;
  --fg2:#8f97a6;
  --fg3:#5b6270;
  --acc:#5c88ff;
  --acc-soft:rgba(92,136,255,.16);
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 8px 28px rgba(0,0,0,.35);
  --shadow-lg:0 24px 70px rgba(0,0,0,.55);
  --card-t:rgba(20,24,32,var(--alpha,.62));
  --btn-t:rgba(38,44,58,calc(var(--alpha,.62) * .9));
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--font,-apple-system),BlinkMacSystemFont,"PingFang SC","Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--fg);min-height:100dvh;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--acc);text-decoration:none}
img{max-width:100%}
button{font:inherit;cursor:pointer;color:inherit}
::selection{background:var(--acc-soft)}
::-webkit-scrollbar{width:0;height:0}

/* ---------- 表单基础 ---------- */
input,textarea,select{
  font:inherit;color:var(--fg);background:var(--field);
  border:1px solid transparent;border-radius:14px;padding:12px 15px;width:100%;
  outline:none;transition:border-color .2s,background .2s,box-shadow .25s var(--ease);
}
input:focus,textarea:focus{border-color:var(--acc);background:var(--bg-soft);box-shadow:0 0 0 4px var(--acc-soft)}
input::placeholder,textarea::placeholder{color:var(--fg3)}
.size-counter{font-size:12px;color:var(--fg3);text-align:right;margin-top:4px;font-variant-numeric:tabular-nums}
.size-counter.limit{color:var(--danger)}
input[type=color]{cursor:pointer;padding:3px}

/* ---------- 骨架 ---------- */
.app-shell{display:flex;flex-direction:column;min-height:100dvh}
.body-row{display:flex;flex:1;min-width:0}
.main{flex:1;min-width:0;max-width:820px;margin:0 auto;width:100%;padding:14px 16px 120px}

/* ---------- 顶栏：极简毛玻璃 ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;gap:12px;
  margin:0;padding:10px 16px;padding-top:calc(10px + env(safe-area-inset-top));
  background:color-mix(in srgb,var(--bg) calc(40% + var(--alpha,.62) * 55%),transparent);
  backdrop-filter:blur(calc(var(--blur,14px) + 6px)) saturate(1.6);-webkit-backdrop-filter:blur(calc(var(--blur,14px) + 6px)) saturate(1.6);
  border-bottom:1px solid var(--line);
}
.topbar-title{flex:1;font-weight:800;font-size:17px;letter-spacing:-.01em}
.topbar-right{flex:none;display:flex;gap:8px;align-items:center}
.topbar-right .btn.small{border-radius:999px;padding:7px 16px}
.icon-btn{
  background:transparent;border:none;color:var(--fg);width:38px;height:38px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;flex:none;
  transition:background .2s,transform .2s var(--ease);
}
.icon-btn:hover{background:var(--field)}
.icon-btn:active{transform:scale(.92)}
.icon-btn.round{border-radius:50%;background:var(--field)}
.burger{display:inline-flex;flex-direction:column;gap:4px}
.burger i{width:16px;height:2px;background:var(--fg);border-radius:2px;display:block;transition:transform .3s var(--ease)}
#menuBtn{width:40px;height:40px}
.top-search{flex:1}
.top-search input{border-radius:999px;background:var(--field)}

/* ---------- 侧边栏 ---------- */
.sidebar{
  width:264px;flex:none;display:flex;flex-direction:column;
  background:var(--card-t);border-right:1px solid var(--line2);
  backdrop-filter:blur(calc(var(--blur) + 6px));-webkit-backdrop-filter:blur(calc(var(--blur) + 6px));
  position:sticky;top:0;height:100dvh;z-index:45;
}
.side-head{padding:18px 16px 14px;border-bottom:1px solid var(--line)}
.side-user-btn{display:flex;align-items:center;gap:12px;width:100%;background:transparent;border:none;padding:8px;border-radius:16px;text-align:left;transition:background .2s}
.side-user-btn:hover{background:var(--field)}
.side-id{min-width:0;flex:1;display:flex;flex-direction:column;gap:2px}
.side-name{font-weight:700;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-mail{font-size:12px;color:var(--fg2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-chev{flex:none;color:var(--fg3);transform:rotate(180deg);line-height:0}
.side-nav{padding:12px 10px;display:flex;flex-direction:column;gap:2px;flex:1;overflow:auto;position:relative}
.side-nav a{
  color:var(--fg2);padding:11px 14px;border-radius:13px;font-size:14.5px;font-weight:600;
  display:flex;align-items:center;gap:12px;line-height:1;position:relative;z-index:1;
  transition:color .25s var(--ease);-webkit-user-drag:none;user-select:none;
}
.side-nav a svg{flex:0 0 auto;display:block;transition:transform .3s var(--ease)}
.side-nav a span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.side-nav a:hover{color:var(--fg)}
.side-nav a:hover svg{transform:translateX(1px) scale(1.06)}
.side-nav a.active{color:var(--fg);background:var(--acc-soft)}
.side-group{font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--fg3);text-transform:uppercase;padding:16px 14px 6px}
.side-foot{padding:12px 14px;border-top:1px solid var(--line)}
.side-mask{display:none}
.side-foot .logout-btn{color:var(--danger);width:100%}
.side-foot .logout-btn.ghost{background:transparent;border:1px solid var(--line2)}
.side-foot .logout-btn:hover{background:var(--danger-soft)}
.nav-pill{display:none}

/* ---------- 主区入场动画 ---------- */
@keyframes gcPageIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
main.main > *{animation:gcPageIn .45s var(--ease) both}
body[data-anim="off"] main.main > *{animation:none}
main.main > *:nth-child(2){animation-delay:.03s}
main.main > *:nth-child(3){animation-delay:.06s}
main.main > *:nth-child(4){animation-delay:.09s}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card-t);border:1px solid var(--line2);border-radius:var(--radius);
  padding:18px;margin-bottom:14px;box-shadow:var(--shadow-sm);
  backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));
  transition:box-shadow .3s var(--ease),transform .3s var(--ease),border-color .3s;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  background:color-mix(in srgb,var(--acc) 82%,transparent);color:#fff;border:none;border-radius:14px;padding:12px 22px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  font-weight:700;font-size:14.5px;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,opacity .2s;
  box-shadow:0 6px 20px color-mix(in srgb,var(--acc) 30%,transparent);
}
.btn:hover{box-shadow:0 10px 28px color-mix(in srgb,var(--acc) 42%,transparent);transform:translateY(-1px)}
.btn:active{transform:scale(.96)}
.btn.small{padding:8px 15px;font-size:13px;border-radius:12px}
.btn.ghost{background:var(--btn-t);color:var(--fg);border:1px solid var(--line2);box-shadow:none;backdrop-filter:blur(14px) saturate(1.6);-webkit-backdrop-filter:blur(14px) saturate(1.6)}
.btn.ghost:hover{background:var(--line)}
.btn.dark{background:var(--fg);color:var(--bg);box-shadow:none}
.btn.danger{background:var(--danger);box-shadow:0 6px 20px color-mix(in srgb,var(--danger) 30%,transparent)}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- Hero ---------- */
.hero{padding:26px 4px 10px}
.hero .kicker{font-size:11px;letter-spacing:.24em;color:var(--acc);font-weight:800;text-transform:uppercase}
.hero h1{font-size:32px;font-weight:800;margin:10px 0 6px;letter-spacing:-.03em}
.hero p{color:var(--fg2);font-size:15px;line-height:1.6}
.hero-search{display:flex;gap:10px;margin:20px 0 8px}
.hero-search input{flex:1;border-radius:999px;padding:14px 20px;background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm)}

/* ---------- 帖子卡片 ---------- */
.post-card{
  display:block;color:var(--fg);cursor:pointer;position:relative;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .3s;
  will-change:transform;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line2)}
.post-card:active{transform:scale(.985)}
.post-card h3{font-size:16.5px;margin-bottom:6px;font-weight:750;letter-spacing:-.01em}
.post-card .desc{color:var(--fg2);font-size:13.5px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .meta{display:flex;gap:10px;color:var(--fg3);font-size:12px;margin-top:12px;align-items:center}
.post-card .meta .spacer{flex:1}
.meta-ic{display:inline-flex;align-items:center;gap:4px;font-variant-numeric:tabular-nums}
.avatar{width:var(--s,36px);height:var(--s,36px);border-radius:50%;object-fit:cover;flex:none}
.avatar-fallback{display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--acc),#8fb0ff);color:#fff;font-weight:800;font-size:calc(var(--s,36px)/2.4);border-radius:50%}
.list-head{display:flex;align-items:baseline;justify-content:space-between;margin:22px 2px 12px}
.list-head h2{font-size:20px;font-weight:800;letter-spacing:-.02em}
.empty{color:var(--fg3);text-align:center;padding:56px 0;font-size:14px}
.announce{border-left:3px solid var(--acc)}
.ann-head{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.ann-dot{width:7px;height:7px;border-radius:50%;background:var(--acc);flex:none;box-shadow:0 0 0 3px var(--acc-soft)}
.ann-date{margin-left:auto;font-size:12px;color:var(--fg3);font-variant-numeric:tabular-nums}

/* ---------- 封面图 ---------- */
.post-cover{border-radius:14px;overflow:hidden;background:var(--field)}
.post-cover img{display:block;width:100%;max-height:300px;object-fit:cover}
.post-card .post-cover{margin-bottom:12px;aspect-ratio:16/8;border-radius:12px}
.post-card .post-cover img{max-height:none;height:100%;transition:transform .6s var(--ease)}
.post-card:hover .post-cover img{transform:scale(1.045)}

/* ---------- 富文本块 ---------- */
.rich{line-height:1.75;margin:8px 0;font-size:15px}
.blk-title{font-size:17px;font-weight:750;margin:14px 0 6px}
.blk-img{border-radius:14px;margin:8px 0}
.blk-divider{border:none;border-top:1px solid var(--line);margin:14px 0}
.video-embed{position:relative;padding-top:56.25%;border-radius:14px;overflow:hidden;margin:8px 0}
.video-embed iframe,.video-embed video{position:absolute;inset:0;width:100%;height:100%;border:0;background:#000}
pre{background:var(--field);border:1px solid var(--line);border-radius:14px;padding:14px;overflow:auto;font-size:13px}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

/* ============================================================
   帖子小窗：居中卡片（手机/PC 统一图 1 效果）
   ============================================================ */
.post-overlay{
  position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;
  padding:calc(12px + env(safe-area-inset-top)) 10px calc(12px + env(safe-area-inset-bottom));
}
.post-overlay[hidden]{display:none}
.overlay-mask{
  position:absolute;inset:0;background:rgba(4,6,10,.5);
  backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px) saturate(1.3);
  opacity:0;transition:opacity .35s var(--ease);
}
.overlay-panel{
  position:relative;width:100%;max-width:640px;
  max-height:calc(100dvh - 24px - env(safe-area-inset-top) - env(safe-area-inset-bottom));
  border-radius:26px;border:1px solid var(--line2);overflow:hidden;display:flex;flex-direction:column;
  /* 背景 / 模糊统一交给下面「小窗三档」控制，避免实底档还残留玻璃 */
}
.post-overlay.open .overlay-mask{opacity:1}
/* 玻璃风格（设置可选） */
/* 小窗三档样式：实底 / 玻璃 / 强化玻璃；差异度统一控制不透明度与阴影 */
.overlay-panel,.gc-sheet-panel{
  background:color-mix(in srgb,var(--card) var(--ov-alpha,62%),transparent);
  box-shadow:0 calc(20px * var(--ov-shadow,1)) calc(52px * var(--ov-shadow,1)) rgba(10,16,30,calc(.3 * var(--ov-shadow,1))),
             inset 0 1.5px 0 rgba(255,255,255,.14);
}
[data-overlay="glass"] .overlay-panel,
[data-overlay="glass"] .gc-sheet-panel{
  backdrop-filter:blur(calc(var(--blur) + 12px)) saturate(1.85);-webkit-backdrop-filter:blur(calc(var(--blur) + 12px)) saturate(1.85);
}
[data-overlay="strong"] .overlay-panel,
[data-overlay="strong"] .gc-sheet-panel{
  background:color-mix(in srgb,var(--card) calc(var(--ov-alpha,62%) * .68),transparent);
  backdrop-filter:blur(calc(var(--blur) + 20px)) saturate(2);-webkit-backdrop-filter:blur(calc(var(--blur) + 20px)) saturate(2);
  border-color:color-mix(in srgb,#fff 26%,transparent);
}
/* 手机端也受「帖子小窗宽度」设置控制（按屏幕宽度换算，不会太窄） */
.overlay-panel{width:var(--ovw-m,94%)}
@media(min-width:761px){.overlay-panel{width:var(--ovw);max-width:var(--ovmax)}}
.overlay-bar{position:absolute;top:12px;left:12px;right:12px;z-index:8;display:flex;justify-content:space-between;pointer-events:none}
.overlay-bar .icon-btn{
  pointer-events:auto;width:38px;height:38px;border-radius:50%;
  background:color-mix(in srgb,var(--bg-soft) 92%,transparent);color:var(--fg);
  box-shadow:var(--shadow-md);backdrop-filter:blur(10px);
}
.overlay-bar .icon-btn small{display:none}
.overlay-body{flex:1;overflow:auto;padding:var(--ov-pad,20px);-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.overlay-body h1{font-size:22px;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.overlay-body .post-cover.flush{margin:calc(var(--ov-pad,20px) * -1) calc(var(--ov-pad,20px) * -1) 16px;border-radius:0;border-bottom:1px solid var(--line)}
.overlay-body .post-cover.flush img{max-height:36dvh;width:100%;object-fit:cover}
.overlay-body.no-cover{padding-top:60px}
.ov-c-sec{margin-top:18px}
.ov-c-head{display:flex;align-items:center;gap:7px;font-weight:800;font-size:14px;margin-bottom:12px}
.ov-c-input{display:flex;gap:8px;align-items:flex-end;margin-bottom:12px}
.ov-c-input textarea{flex:1;min-height:44px;max-height:120px;resize:none}
.ov-c-input .btn{flex:none;height:44px;padding:0 18px}
.comments{display:flex;flex-direction:column;gap:8px}
.ov-c-card{background:var(--field);border:1px solid var(--line);border-radius:15px;padding:12px 14px;box-shadow:none}
.ov-c-meta{display:flex;align-items:baseline;gap:8px;margin-bottom:3px}
.ov-c-meta small{color:var(--fg3);font-size:11px}
.ov-c-text{font-size:14px;white-space:pre-wrap;word-break:break-word}

/* ============================================================
   账户信息小窗（gc-sheet）
   ============================================================ */
.gc-sheet{
  position:fixed;inset:0;z-index:95;display:flex;align-items:center;justify-content:center;
  padding:calc(14px + env(safe-area-inset-top)) 14px calc(14px + env(safe-area-inset-bottom));
}
.gc-sheet[hidden]{display:none}
.gc-sheet-mask{
  position:absolute;inset:0;background:rgba(4,6,10,.5);
  backdrop-filter:blur(16px) saturate(1.3);-webkit-backdrop-filter:blur(16px) saturate(1.3);
  opacity:0;transition:opacity .35s var(--ease);
}
.gc-sheet-panel{
  position:relative;width:100%;max-width:var(--sheet-w);max-height:calc(100dvh - 28px);
  overflow:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;
  background:color-mix(in srgb,var(--card) var(--ov-alpha,62%),transparent);border:1px solid var(--line2);border-radius:28px;padding:22px 20px 18px;
  backdrop-filter:blur(calc(var(--blur) + 12px)) saturate(1.85);-webkit-backdrop-filter:blur(calc(var(--blur) + 12px)) saturate(1.85);
  box-shadow:var(--shadow-lg), inset 0 1.5px 0 rgba(255,255,255,.14);
}
.gc-sheet.open .gc-sheet-mask{opacity:1}
[data-overlay="glass"] .gc-sheet-panel{
  background:color-mix(in srgb,var(--card) var(--ov-alpha,62%),transparent);
  backdrop-filter:blur(calc(var(--blur) + 14px)) saturate(1.9);-webkit-backdrop-filter:blur(calc(var(--blur) + 14px)) saturate(1.9);
  box-shadow:var(--shadow-lg), inset 0 1.5px 0 rgba(255,255,255,.14);
}
.gc-sheet-grab{display:none}
.acc-hero{display:flex;align-items:center;gap:15px;margin-bottom:18px}
.acc-ava{flex:none;line-height:0}
.acc-hero-txt{min-width:0;flex:1}
.acc-name{font-size:20px;font-weight:800;letter-spacing:-.02em;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.acc-badge{font-style:normal;font-size:11px;font-weight:700;padding:3px 9px;border-radius:99px;background:var(--acc-soft);color:var(--acc)}
.acc-mail{color:var(--fg2);font-size:13px;margin-top:3px;word-break:break-all}
.acc-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}
.acc-stat{background:var(--field);border:1px solid var(--line);border-radius:16px;padding:12px 6px;text-align:center}
.acc-stat b{display:block;font-size:16px;font-weight:800;font-variant-numeric:tabular-nums}
.acc-stat span{display:block;font-size:11px;color:var(--fg2);margin-top:3px}
.acc-list{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.acc-row{display:flex;align-items:center;gap:12px;padding:12px;border-radius:15px;color:var(--fg);transition:background .2s}
.acc-row:hover{background:var(--field)}
.acc-ic{flex:none;width:33px;height:33px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:var(--acc-soft);color:var(--acc)}
.acc-row-t{flex:1;font-size:14.5px;font-weight:650}
.acc-arrow{flex:none;color:var(--fg3);transform:rotate(180deg);line-height:0}
.acc-logout{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:13px;border-radius:16px;
  font-weight:700;font-size:14.5px;color:var(--danger);background:var(--danger-soft);
  border:1px solid transparent;transition:background .2s,transform .25s var(--ease);
}
.acc-logout:hover{background:color-mix(in srgb,var(--danger) 16%,transparent)}
.acc-logout:active{transform:scale(.98)}

/* ============================================================
   底部导航：视口固定 · iOS 胶囊
   ============================================================ */
.bottom-nav{
  position:fixed;left:50%;top:auto;bottom:calc(14px + env(safe-area-inset-bottom));
  transform:translateX(-50%);
  width:min(calc(100% - 28px),420px);display:flex;border-radius:999px;padding:6px;z-index:60;
  /* 液态玻璃：极低遮罩 + 强模糊 + 高饱和，边缘用高光描边代替实色边框 */
  --nav-fg:rgba(18,22,30,.60);--nav-act:var(--acc);--tone-k:1.15;--pill:rgba(255,255,255,.58);
  background:rgba(255,255,255,calc(var(--navt,.15) * var(--tone-k)));
  backdrop-filter:blur(calc(var(--blur,14px) + 8px)) saturate(1.9) brightness(1.04);
  -webkit-backdrop-filter:blur(calc(var(--blur,14px) + 8px)) saturate(1.9) brightness(1.04);
  border:none;
  box-shadow:0 12px 36px rgba(0,0,0,.20),0 2px 8px rgba(0,0,0,.08),
    inset 0 1px 1px rgba(255,255,255,.55),inset 0 -1px 1px rgba(255,255,255,.16),inset 0 0 22px rgba(255,255,255,.05);
  transition:transform .3s var(--ease),opacity .25s;
  will-change:transform;backface-visibility:hidden;
}
html[data-glass="dark"] .bottom-nav{
  --nav-fg:rgba(255,255,255,.82);--nav-act:color-mix(in srgb,var(--acc) 62%,#fff);--tone-k:.55;--pill:rgba(255,255,255,.22);
  box-shadow:0 12px 36px rgba(0,0,0,.38),0 2px 8px rgba(0,0,0,.2),
    inset 0 1px 1px rgba(255,255,255,.35),inset 0 -1px 1px rgba(255,255,255,.10),inset 0 0 22px rgba(255,255,255,.04);
}
/* 描边高光（左上 / 右下亮，其余透明），模拟玻璃边缘折光 */
.bottom-nav::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,255,255,.75),rgba(255,255,255,.06) 38%,rgba(255,255,255,.06) 62%,rgba(255,255,255,.5));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;
  mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);
}
.bottom-nav a{
  flex:1;position:relative;z-index:1;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:8px 0 6px;color:var(--nav-fg);border-radius:999px;
  transition:color .3s var(--ease);-webkit-user-drag:none;user-select:none;
}
.bottom-nav a span{font-size:20px;line-height:1;transition:transform .45s cubic-bezier(.34,1.5,.64,1)}
.bottom-nav a label{font-size:10.5px;cursor:pointer;font-weight:700;letter-spacing:.02em}
.bottom-nav a.active{color:var(--nav-act)}
.bottom-nav a.active span{transform:translateY(-1px) scale(1.1)}
.bottom-nav .nav-pill{
  display:block;position:absolute;top:6px;left:0;height:calc(100% - 12px);width:80px;
  border-radius:999px;background:var(--pill);scale:1;
  backdrop-filter:blur(10px) saturate(1.7) brightness(1.12);-webkit-backdrop-filter:blur(10px) saturate(1.7) brightness(1.12);
  box-shadow:0 4px 16px rgba(0,0,0,.14),inset 0 1px 1px rgba(255,255,255,.75),inset 0 -1px 1px rgba(255,255,255,.22);
  transition:transform .55s cubic-bezier(.34,1.38,.64,1),width .5s cubic-bezier(.34,1.38,.64,1),scale .35s cubic-bezier(.34,1.5,.64,1),background .3s;
  pointer-events:none;z-index:0;will-change:transform;
}
/* 按住时胶囊像 iOS 26 那样放大、变亮 */
.bottom-nav.pressing .nav-pill{scale:1.14 1.1;background:color-mix(in srgb,var(--pill) 100%,#fff 22%)}
/* 实底模式：底栏回到实色 */
html[data-style="normal"] .bottom-nav{background:var(--bg-soft);--nav-fg:var(--fg3);--nav-act:var(--acc);--pill:var(--field)}
html[data-style="normal"] .bottom-nav::before{display:none}
[data-bottomnav="off"] .bottom-nav{display:none!important}
[data-bottomnav="off"] .main{padding-bottom:24px}
[data-bottomnav="off"] .sidebar{padding-bottom:0}
@media(min-width:761px){.bottom-nav{display:none}}

/* ============================================================
   折叠面板（设置页 / 管理后台）
   ============================================================ */
details.fold{
  background:var(--card-t);border:1px solid var(--line2);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);
  backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));
}
details.fold>summary{
  cursor:pointer;padding:16px 18px;font-weight:750;font-size:15px;list-style:none;
  display:flex;align-items:center;justify-content:space-between;user-select:none;
  transition:background .2s;
}
details.fold>summary::-webkit-details-marker{display:none}
details.fold>summary::after{
  content:'';width:8px;height:8px;border-right:2px solid var(--fg3);border-bottom:2px solid var(--fg3);
  transform:rotate(45deg) translateY(-2px);transition:transform .35s var(--ease);flex:none;
}
details.fold[open]>summary::after{transform:rotate(-135deg) translateY(-2px)}
details.fold>summary:hover{background:var(--field)}
details.fold[open]>summary{border-bottom:1px solid var(--line)}
details.fold>.fold-body{padding:18px}
details.fold>.fold-body .card{background:var(--field);border-color:var(--line);box-shadow:none;padding:0;margin:0 0 14px}
details.fold>.fold-body .card:last-child{margin-bottom:0}
details.fold>.fold-body h2{font-size:16px;margin-bottom:10px}
main > details.fold + details.fold{margin-top:-4px}

/* ---------- 表单布局 / 组件 ---------- */
.form-grid{display:flex;flex-direction:column;gap:14px}
label.f{display:flex;flex-direction:column;gap:7px;font-size:13px;font-weight:600;color:var(--fg2)}
.seg{display:flex;background:var(--field);border-radius:13px;padding:3px;gap:2px}
.seg button{
  flex:1;background:transparent;border:none;color:var(--fg2);padding:8px 0;border-radius:10px;
  font-weight:650;font-size:13px;transition:background .25s var(--ease),color .25s,box-shadow .25s var(--ease);
}
.seg button.active{background:var(--bg-soft);color:var(--fg);box-shadow:var(--shadow-sm)}
.range-row{display:flex;align-items:center;gap:12px}
.range-row input[type=range]{flex:1;accent-color:var(--acc);padding:0;border:none;background:transparent}
.check-row{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--fg2);cursor:pointer;user-select:none}
.check-row input[type=checkbox]{width:19px;height:19px;flex:none;accent-color:var(--acc);padding:0;border:none}
.swatch{width:30px;height:30px;border-radius:10px;border:2px solid var(--line2);cursor:pointer;transition:transform .25s var(--ease);flex:none;padding:0}
.swatch:hover{transform:scale(1.14)}
.tabs{display:flex;gap:6px;overflow:auto;padding-bottom:8px;margin-bottom:12px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs button{flex:none;background:var(--field);border:1px solid var(--line);color:var(--fg2);border-radius:999px;padding:8px 16px;font-size:14px;font-weight:600;transition:background .2s,color .2s}
.tabs button.active{background:var(--acc);color:#fff;border-color:var(--acc)}
.tab-pane[hidden]{display:none}
table.tb{width:100%;border-collapse:collapse;font-size:13px}
table.tb th,table.tb td{border-bottom:1px solid var(--line);padding:9px 6px;text-align:left;word-break:break-all}
.msg{padding:11px 15px;border-radius:13px;margin-bottom:12px;font-size:14px;font-weight:550}
.msg.ok{background:color-mix(in srgb,var(--ok) 12%,transparent);color:var(--ok)}
.msg.err{background:var(--danger-soft);color:var(--danger)}

/* ---------- 滑块人机验证 ---------- */
.slider-captcha{position:relative;height:48px;border-radius:14px;background:var(--field);overflow:hidden;user-select:none;-webkit-user-select:none;touch-action:pan-y}
.slider-captcha .slider-fill{position:absolute;left:0;top:0;bottom:0;width:44px;background:var(--acc-soft);transition:width .2s}
.slider-captcha .slider-hint{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:550;color:var(--fg3);pointer-events:none;letter-spacing:.5px}
.slider-captcha .slider-thumb{
  position:absolute;left:0;top:0;bottom:0;width:44px;display:flex;align-items:center;justify-content:center;
  background:var(--fg);color:var(--bg);border-radius:12px;cursor:grab;font-size:19px;
  transition:transform .3s var(--ease);box-shadow:var(--shadow-md);
}
.slider-captcha .slider-thumb:active{cursor:grabbing}
.slider-captcha.done .slider-thumb{background:var(--ok);color:#fff}
.slider-captcha.done .slider-fill{background:color-mix(in srgb,var(--ok) 14%,transparent);width:100%!important}
.slider-captcha.done .slider-hint{color:var(--ok);font-weight:700}

/* ---------- 设置页小窗预览 ---------- */
.ov-preview{
  position:relative;height:190px;border-radius:20px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(150deg,#3a4a6b,#5a3a6b 45%,#6b3a52 75%,#2a4a5e);
  display:flex;align-items:center;justify-content:center;padding:14px;
}
.ov-preview-mask{position:absolute;inset:0;background:rgba(4,6,10,.2)}
.ov-preview-panel{
  position:relative;width:var(--pv-w,72%);max-width:100%;border-radius:16px;background:var(--card);
  padding:12px 12px 14px;box-shadow:var(--shadow-lg);
  transition:width .35s var(--ease),background .3s;
}
.ov-preview-panel.glass{
  background:color-mix(in srgb,var(--card) 72%,transparent);
  backdrop-filter:blur(calc(var(--blur) + 10px)) saturate(1.9);-webkit-backdrop-filter:blur(calc(var(--blur) + 10px)) saturate(1.9);
  border:1px solid var(--line2);
}
.ov-preview-panel .pv-cover{height:36px;border-radius:9px;background:linear-gradient(120deg,var(--acc),#8fb0ff);opacity:.9;margin-bottom:8px}
.ov-preview-panel .pv-l1{height:9px;border-radius:5px;background:var(--fg2);opacity:.7;width:62%;margin-bottom:6px}
.ov-preview-panel .pv-l2,.ov-preview-panel .pv-l3{height:7px;border-radius:5px;background:var(--fg3);opacity:.45;margin-bottom:5px}
.ov-preview-panel .pv-l3{width:78%}

/* ---------- 顶部加载进度条 ---------- */
#gcProgressBar{border-radius:0 2px 2px 0}

/* ---------- 动画开关 / 降级 ---------- */
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}
body[data-anim="off"] *{transition:none!important;animation:none!important}

/* ============================================================
   移动端适配
   ============================================================ */
@media(max-width:760px){
  .main{padding:14px 14px calc(112px + env(safe-area-inset-bottom))}
  [data-bottomnav="off"] .main{padding-bottom:24px}
  .hero h1{font-size:28px}
  /* 侧栏：浮出卡片 */
  .sidebar{
    position:fixed;left:10px;right:auto;top:calc(64px + env(safe-area-inset-top));
    width:min(78vw,308px);height:auto;max-height:calc(100dvh - 110px);
    border-radius:24px;border:1px solid var(--line2);
    transform:translateY(-12px) scale(.97);opacity:0;pointer-events:none;
    transition:transform .4s var(--ease),opacity .3s var(--ease);
    box-shadow:var(--shadow-lg);overflow:auto;
  }
  .sidebar.open{transform:none;opacity:1;pointer-events:auto}
  .side-mask{display:block;position:fixed;inset:0;background:rgba(4,6,10,.45);z-index:44;opacity:0;pointer-events:none;transition:opacity .3s}
  .side-mask.show{opacity:1;pointer-events:auto}
  .side-head{padding:14px 12px 12px}
  .side-foot{padding:8px 10px 6px}
  /* 小窗居中卡片（图 1） */
  .post-overlay{padding:calc(10px + env(safe-area-inset-top)) 8px calc(10px + env(safe-area-inset-bottom))}
  .overlay-panel{max-width:100%;border-radius:24px}
  .overlay-body .post-cover.flush img{max-height:30dvh}
  .gc-sheet{padding:calc(10px + env(safe-area-inset-top)) 10px calc(10px + env(safe-area-inset-bottom))}
  .gc-sheet-panel{width:var(--sheetw-m,92%);max-width:100%;border-radius:26px;padding:20px 16px 16px}
}
@media(min-width:761px){
  .sidebar{top:0}
}

/* ============================================================
   移动端输入适配：所有输入控件字号 ≥16px，避免 iOS 聚焦时自动放大
   ============================================================ */
input,textarea,select{font-size:16px}
body{-webkit-text-size-adjust:100%;touch-action:manipulation}
/* 双击不再缩放（配合 viewport user-scalable=no，双保险） */
html{touch-action:manipulation}
/* 小屏统一把过小字号抬到可读区间 */
@media(max-width:760px){
  .post-card .meta,.ann-date,.side-mail,.size-counter{font-size:12.5px}
  .ov-c-meta small,.acc-stat span,.acc-badge,.hero .kicker,.side-group{font-size:11.5px}
  .post-card .desc,.label.f,label.f{font-size:14px}
  .btn.small{font-size:13.5px;padding:9px 16px}
  .bottom-nav a label{font-size:11px}
  .ov-c-input textarea,.ov-c-input input{font-size:16px}
}
/* 设置页滑动条在各端都能拖 */
input[type=range]{touch-action:pan-y;min-height:32px}
/* 复制按钮等元素在触屏上不被长按选中 */
.post-card,.btn,.bottom-nav a,.side-nav a{-webkit-touch-callout:none}

/* ============================================================
   iOS 设置列表导航（panel-nav）：点击行 → 页内进入面板；支持大图标排版
   ============================================================ */
.panel-wrap{display:block}
.panel-nav{
  background:var(--card-t);border:1px solid var(--line2);border-radius:20px;overflow:hidden;
  backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));
  box-shadow:var(--shadow-sm);margin-bottom:14px;
}
.panel-row{
  display:flex;align-items:center;gap:13px;width:100%;padding:14px 16px;text-align:left;
  background:transparent;border:none;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:650;color:var(--fg);cursor:pointer;
  transition:background .2s;position:relative;
}
.panel-row:last-child{border-bottom:none}
.panel-row:active{background:var(--field)}
.panel-row::after{
  content:'';width:8px;height:8px;border-right:2px solid var(--fg3);border-bottom:2px solid var(--fg3);
  transform:rotate(-45deg);margin-left:auto;flex:none;opacity:.7;
}
.panel-ic{
  width:31px;height:31px;border-radius:9px;flex:none;
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  background:var(--acc);box-shadow:0 3px 10px color-mix(in srgb,var(--acc) 35%,transparent);
}
.panel-sub{margin-left:auto;margin-right:10px;color:var(--fg3);font-size:13px;font-weight:500}
.panel-row .panel-sub + ::after{margin-left:0}
/* 大图标排版 */
.panel-wrap[data-layout="grid"] .panel-nav{
  display:grid;grid-template-columns:repeat(2,1fr);gap:10px;background:transparent;border:none;
  border-radius:0;box-shadow:none;overflow:visible;
  backdrop-filter:none;-webkit-backdrop-filter:none;
}
.panel-wrap[data-layout="grid"] .panel-row{
  flex-direction:column;justify-content:center;gap:9px;text-align:center;
  background:var(--card-t);border:1px solid var(--line2);border-bottom:1px solid var(--line2);
  border-radius:20px;padding:20px 8px;font-size:14px;
  backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur));
}
.panel-wrap[data-layout="grid"] .panel-row::after{display:none}
.panel-wrap[data-layout="grid"] .panel-ic{width:46px;height:46px;border-radius:14px}
.panel-wrap[data-layout="grid"] .panel-sub{display:none}
/* 页内面板视图（点行后进入，带返回键） */
.panel-view{display:block}
.panel-view[hidden]{display:none}
.panel-topbar{
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
  animation:gcPageIn .4s var(--ease) both;
}
.panel-topbar b{font-size:19px;font-weight:800;letter-spacing:-.02em}
.sh-back,.panel-back{
  display:inline-flex;align-items:center;gap:2px;background:transparent;border:none;
  color:var(--acc);font-size:15px;font-weight:650;padding:6px 10px 6px 2px;border-radius:10px;
  transition:opacity .2s,transform .2s var(--ease);
}
.sh-back:active,.panel-back:active{transform:scale(.94);opacity:.7}
.panel-view .card{background:var(--card-t)}
/* 小窗内部子视图 */
.sh-view{animation:gcPageIn .4s var(--ease) both}
.sh-view[hidden]{display:none}
.sh-top{
  display:flex;align-items:center;gap:6px;margin:-4px 0 14px;
  font-size:17px;font-weight:800;letter-spacing:-.01em;
}
/* 小窗内行列表（复用 acc-row） */
.sh-form{display:flex;flex-direction:column;gap:12px}
/* 「我的」页面头部 */
.me-hero{
  display:flex;align-items:center;gap:15px;margin:6px 0 16px;
}


/* 账户小窗：固定右上角关闭键 + 内容独立滚动 */
.gc-sheet-panel{display:flex;flex-direction:column;padding:0;overflow:hidden}
.sheet-body{padding:22px 20px 18px;overflow:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
.sheet-x{
  position:absolute;top:14px;right:14px;z-index:5;width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:color-mix(in srgb,var(--fg) 8%,transparent);border:1px solid var(--line);color:var(--fg2);
  transition:background .2s,transform .2s var(--ease);
}
.sheet-x:active{transform:scale(.9)}
.sheet-x:hover{background:color-mix(in srgb,var(--fg) 14%,transparent)}
@media(max-width:760px){.sheet-body{padding:20px 16px 16px}}
.sheet-body{flex:1;min-height:0}
.sheet-body .acc-hero{padding-right:38px}

/* 修复：小窗内用 <button> 实现的列表行会继承浏览器默认白底 */
.acc-row{background:transparent;border:none;width:100%;font:inherit;text-align:left;cursor:pointer;color:var(--fg)}
.acc-row:hover{background:var(--field)}
/* 关闭键在深浅两种主题下都清晰 */
.sheet-x{background:var(--field)}

/* 大图标排版：进入面板时必须真正隐藏导航（grid 会覆盖 [hidden]） */
.panel-nav[hidden]{display:none!important}
.panel-view[hidden]{display:none!important}
/* 玻璃质感关闭时（style=normal）彻底去掉模糊与透明 */
html[data-style="normal"] .card,
html[data-style="normal"] .panel-nav,
html[data-style="normal"] .panel-wrap[data-layout="grid"] .panel-row,
html[data-style="normal"] .gc-sheet-panel,
html[data-style="normal"] .overlay-panel,
html[data-style="normal"] .sidebar,
html[data-style="normal"] .btn.ghost,
html[data-style="normal"] .topbar,
html[data-style="normal"] .bottom-nav{
  backdrop-filter:none!important;-webkit-backdrop-filter:none!important;
}
html[data-style="normal"]{--card-t:var(--card);--btn-t:var(--field)}

/* ============================================================
   帖子详情（小窗/整页通用）· 单列阅读视图
   ============================================================ */
.pv{display:block}
.pv-cover{position:relative;margin:calc(var(--ov-pad,20px) * -1) calc(var(--ov-pad,20px) * -1) 0;border-radius:0;overflow:hidden;background:var(--field)}
.pv-cover img{display:block;width:100%;max-height:32dvh;object-fit:cover}
.pv-cover-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,6,10,0) 38%,rgba(4,6,10,.72) 100%)}
.pv-cover-txt{position:absolute;left:20px;right:20px;bottom:16px;color:#fff}
.pv-cover-txt .pv-title{font-size:22px;font-weight:800;letter-spacing:-.02em;line-height:1.15;text-shadow:0 2px 14px rgba(0,0,0,.45)}
.pv-cover-sub{margin-top:5px;font-size:12.5px;opacity:.9}
.pv-body{padding-top:16px}
.pv-title.standalone{font-size:22px;font-weight:800;letter-spacing:-.02em;line-height:1.18;margin-bottom:10px}
.pv-head{display:flex;align-items:center;gap:11px;padding:12px 0;border-bottom:1px solid var(--line)}
.pv-av{
  width:38px;height:38px;border-radius:50%;flex:none;display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#fff;background:linear-gradient(145deg,var(--acc),color-mix(in srgb,var(--acc) 62%,#0b1220));
  box-shadow:0 4px 12px color-mix(in srgb,var(--acc) 32%,transparent);
}
.pv-head-t{display:flex;flex-direction:column;line-height:1.35;min-width:0}
.pv-head-t b{font-size:14.5px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pv-head-t small{color:var(--fg3);font-size:12px}
.pv-tag{margin-left:auto;font-style:normal;font-size:11.5px;font-weight:700;padding:4px 9px;border-radius:999px;
  background:color-mix(in srgb,var(--fg) 8%,transparent);color:var(--fg2);border:1px solid var(--line)}
.pv-tag.owner{background:color-mix(in srgb,var(--acc) 16%,transparent);color:var(--acc);border-color:color-mix(in srgb,var(--acc) 30%,transparent)}
.pv-stats{display:flex;gap:16px;padding:11px 0 0;color:var(--fg2);font-size:12.5px}
.pv-stats span{display:inline-flex;align-items:center;gap:5px}
.pv-rich{margin-top:14px;font-size:14.5px;line-height:1.72;color:var(--fg);word-break:break-word}
.pv-rich.desc{color:var(--fg2)}
.pv-rich pre{
  margin:12px 0;padding:14px 16px;border-radius:14px;overflow:auto;
  background:color-mix(in srgb,var(--fg) 6%,transparent);border:1px solid var(--line);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;line-height:1.6;
}
.pv-rich code{padding:2px 6px;border-radius:6px;background:color-mix(in srgb,var(--fg) 7%,transparent);font-size:13px}
.pv-rich pre code{background:none;padding:0}
.pv-rich img{max-width:100%;border-radius:12px;margin:8px 0}
.pv-rich a{color:var(--acc);font-weight:600}
.pv-actions{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0 4px}
.pv-c-sec{margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}
.pv-c-head{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:750;margin-bottom:12px}
.pv-c-input{display:flex;gap:9px;align-items:flex-end;margin-bottom:14px}
.pv-c-input textarea{flex:1;min-height:44px;resize:vertical}
.pv-c-list{display:flex;flex-direction:column;gap:10px}
.pv-c-card{
  padding:12px 14px;border-radius:16px;border:1px solid var(--line);
  background:color-mix(in srgb,var(--card) 55%,transparent);
}
.pv-c-meta{display:flex;align-items:baseline;gap:8px;justify-content:space-between;margin-bottom:5px}
.pv-c-meta b{font-size:13.5px;font-weight:700}
.pv-c-meta small{color:var(--fg3);font-size:11.5px}
.pv-c-text{font-size:14px;line-height:1.65;white-space:pre-wrap;word-break:break-word}
.pv-c-login{display:block;text-align:center;padding:14px;border-radius:16px;border:1px dashed var(--line);color:var(--acc);font-weight:650;font-size:13.5px}
/* 尺寸变化动画期间裁掉溢出内容，避免跳动 */
.gc-sizing{overflow:hidden!important}
@media(max-width:760px){
  .pv-cover img{max-height:26dvh}
  .pv-cover-txt{left:16px;right:16px;bottom:14px}
  .pv-cover-txt .pv-title{font-size:20px}
  .pv-actions .btn{flex:1 1 auto;min-width:0}
}

/* ============================================================
   性能：禁止嵌套模糊（父级小窗已模糊，子卡片再模糊 = 合成延迟的主要来源）
   实底：小窗风格 = solid 时彻底不透明、无模糊
   ============================================================ */
.overlay-panel .card,
.overlay-panel .btn.ghost,
.overlay-panel .panel-nav,
.overlay-panel .pv-c-card,
.gc-sheet-panel .card,
.gc-sheet-panel .btn.ghost,
.gc-sheet-panel .pv-c-card,
.sheet-x{
  backdrop-filter:none!important;-webkit-backdrop-filter:none!important;
}
[data-overlay="solid"] .overlay-panel,
[data-overlay="solid"] .gc-sheet-panel{
  background:var(--card);
  backdrop-filter:none!important;-webkit-backdrop-filter:none!important;
  box-shadow:0 calc(22px * var(--ov-shadow,1)) calc(56px * var(--ov-shadow,1)) rgba(10,16,30,calc(.34 * var(--ov-shadow,1)));
}
/* 低端设备 / 关闭动画时进一步降级：只对小窗保留模糊 */
html[data-perf="lite"] .card,
html[data-perf="lite"] .panel-nav,
html[data-perf="lite"] .btn.ghost{
  backdrop-filter:none!important;-webkit-backdrop-filter:none!important;
  background:var(--card);
}


/* ============================================================
   聊天（微信式气泡）
   ============================================================ */
.chat-wrap{display:flex;gap:12px;align-items:stretch;min-height:60dvh}
/* 聊天侧栏 / 聊天室 hidden 必须压过 display:flex，否则两者会并排显示 */
.chat-side[hidden],.chat-room[hidden]{display:none!important}
.chat-side{flex:1;min-width:0;display:flex;flex-direction:column}
.chat-tabs{display:flex;gap:6px;margin-bottom:10px}
.chat-tabs button{flex:1;background:var(--field);border:1px solid transparent;border-radius:12px;padding:8px 0;
  font-size:13px;font-weight:650;color:var(--fg2);transition:background .25s var(--ease),color .25s}
.chat-tabs button.active{background:color-mix(in srgb,var(--acc) 16%,transparent);color:var(--acc);border-color:color-mix(in srgb,var(--acc) 30%,transparent)}
.chat-tabs b{display:inline-block;min-width:17px;padding:0 5px;border-radius:9px;background:var(--danger);color:#fff;font-size:11px;line-height:17px}
.chat-pane{display:flex;flex-direction:column;gap:8px}
.chat-pane[hidden]{display:none!important}
.chat-search{display:flex;gap:8px;margin-bottom:10px}
.chat-search input{flex:1}
.conv{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:16px;cursor:pointer;
  border:1px solid var(--line);background:var(--card-t);transition:background .2s,transform .2s var(--ease)}
.conv:active{transform:scale(.985)}
.conv:hover{background:var(--field)}
.conv-t{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35}
.conv-t b{font-size:14.5px}
.conv-t small{color:var(--fg3);font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:22ch}
.conv-r{display:flex;align-items:center;gap:8px}
.conv-r small{color:var(--fg3);font-size:11.5px}
.dot{min-width:19px;height:19px;padding:0 5px;border-radius:10px;background:var(--danger);color:#fff;
  font-size:11px;font-style:normal;display:inline-flex;align-items:center;justify-content:center}
.chat-room{flex:1;min-width:0;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--card-t)}
.chat-top{display:flex;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--line)}
.chat-top b{font-size:16px;font-weight:750}
.chat-msgs{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:12px;min-height:46dvh;overscroll-behavior:contain}
.cmsg{display:flex;gap:9px;align-items:flex-end;animation:gcPageIn .3s var(--ease) both}
.cmsg.mine{flex-direction:row-reverse}
.bubble{max-width:72%;padding:9px 13px;border-radius:16px;background:var(--field);font-size:14.5px;line-height:1.55;word-break:break-word}
.cmsg.mine .bubble{background:var(--acc);color:#fff;border-bottom-right-radius:6px}
.bubble a{color:var(--acc);text-decoration:underline;word-break:break-all}
.cmsg.mine .bubble a{color:#fff;text-decoration:underline;text-underline-offset:2px}
.cmsg:not(.mine) .bubble{border-bottom-left-radius:6px}
.bubble.img{padding:3px;background:transparent}
.bubble.img img{max-width:200px;max-height:240px;border-radius:13px;display:block}
.bubble.link{padding:0;background:transparent}
.bubble.link a{display:block;max-width:260px;padding:10px 12px;border-radius:14px;border:1px solid var(--line);
  color:var(--acc);font-size:13.5px;word-break:break-all;background:var(--field)}
.chat-input{display:flex;align-items:flex-end;gap:8px;padding:10px;border-top:1px solid var(--line)}
.chat-input textarea{flex:1;min-height:42px;max-height:110px;resize:none}
.chat-linkchip{display:flex;align-items:center;gap:8px;margin:0 10px;padding:7px 10px;border-radius:12px;
  background:color-mix(in srgb,var(--acc) 12%,transparent);color:var(--acc);font-size:12.5px;overflow:hidden}
.chat-linkchip span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(min-width:761px){
  .chat-wrap{min-height:70dvh}
  .chat-side{flex:0 0 320px}
  .chat-msgs{min-height:52dvh}
}

/* 评论区：头像 + 抖音式回复 + 独立滚动（不牵动帖子正文） */
.pv-c-card{display:flex;gap:10px;padding:10px 0;border:none;background:none}
.pv-c-card.sub{padding:8px 0 0}
.pv-c-main{flex:1;min-width:0}
.pv-c-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.pv-c-meta b{font-size:13.5px;font-weight:700}
.pv-c-meta small{color:var(--fg3);font-size:11.5px;margin-left:auto}
.pv-c-reply{font-style:normal;font-size:11.5px;color:var(--acc);background:color-mix(in srgb,var(--acc) 12%,transparent);padding:2px 7px;border-radius:8px}
.pv-c-text{font-size:14px;line-height:1.6;margin-top:3px;white-space:pre-wrap;word-break:break-word}
.pv-c-ops{margin-top:5px}
.pv-c-act{background:none;border:none;padding:0;color:var(--fg3);font-size:12.5px;font-weight:650}
.pv-c-act:active{color:var(--acc)}
.pv-c-subs{margin-left:6px;padding-left:12px;border-left:2px solid var(--line);margin-top:6px}
/* 评论独立滚动区：overscroll-behavior 阻止滚动穿透到帖子 */
.pv-c-scroll{max-height:min(46dvh,420px);overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
  padding-right:2px;margin-top:4px}
.pv-c-more{text-align:center;color:var(--fg3);font-size:12.5px;padding:10px 0}

/* 头像裁剪器 */
.crop-mask{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  background:rgba(4,6,10,.62);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);animation:gcPageIn .25s var(--ease) both}
.crop-box{width:min(92vw,360px);background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;box-shadow:var(--shadow-lg)}
.crop-title{font-size:16px;font-weight:750;margin-bottom:12px}
.crop-stage{position:relative;width:100%;aspect-ratio:1/1;background:#0b0d12;border-radius:16px;overflow:hidden;touch-action:none}
.crop-stage canvas{width:100%;height:100%;display:block}
.crop-ring{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:74%;height:74%;border-radius:50%;
  border:2px solid rgba(255,255,255,.9);box-shadow:0 0 0 9999px rgba(0,0,0,.45);pointer-events:none}
.crop-zoom{display:flex;align-items:center;gap:10px;margin:14px 0;font-size:13px;color:var(--fg2)}
.crop-zoom input[type=range]{flex:1}
.crop-btns{display:flex;gap:10px;justify-content:flex-end}

/* 头像：点击即换（可裁剪） */
.avatar-pick{position:relative;display:inline-flex;align-items:center;justify-content:center;
  background:none;border:none;padding:0;cursor:pointer;line-height:0;border-radius:999px;
  transition:transform .18s var(--ease)}
.avatar-pick:active{transform:scale(.94)}
.acc-ava.avatar-pick{display:block}
.avatar-pick-tip{position:absolute;right:-2px;bottom:-2px;width:22px;height:22px;border-radius:999px;
  display:flex;align-items:center;justify-content:center;color:#fff;background:var(--acc);
  border:2px solid var(--card);box-shadow:0 2px 8px rgba(0,0,0,.25);pointer-events:none}
.avatar-pick-tip svg{width:12px;height:12px;vertical-align:0}
.hint{font-size:12.5px;color:var(--fg3);line-height:1.5;margin:-2px 0 2px}

/* 底栏未读角标 */
.bottom-nav a span{position:relative;display:inline-block}
.nav-dot{position:absolute;top:-5px;right:-9px;min-width:16px;height:16px;padding:0 4px;border-radius:8px;
  background:var(--danger,#ef4444);color:#fff;font-size:10px;font-style:normal;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;line-height:1;
  box-shadow:0 1px 4px rgba(239,68,68,.4)}


/* ---- 置顶标签 / 列表底部加载提示 ---- */
.pin-tag{display:inline-block;margin-right:8px;padding:1px 8px;border-radius:999px;font-size:11px;font-weight:600;line-height:18px;vertical-align:2px;color:var(--acc);background:color-mix(in srgb,var(--acc) 14%,transparent)}
.load-more{text-align:center;color:var(--fg2);font-size:13px;padding:20px 0;cursor:pointer}

/* ---- 发布页富文本块编辑器 ---- */
.block-row{display:flex;gap:8px;align-items:flex-start;margin-bottom:8px}
.block-row input,.block-row textarea{flex:1;min-width:0}
.block-tag{flex:none;min-width:64px;padding-top:12px;font-size:12px;color:var(--fg2)}


/* ============================================================
   UI v2：玻璃设置全面生效 · 手机端小窗 · 评论 · 聊天布局
   ============================================================ */
/* —— 玻璃：给毛玻璃一个可透出的底层（纯色背景下模糊也能看见效果） —— */
html[data-style="glass"]:not([data-bgimg]) body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(70vmax 55vmax at 8% -6%,rgba(255,255,255,.55),transparent 62%),
    radial-gradient(60vmax 50vmax at 104% 34%,rgba(255,255,255,.30),transparent 60%),
    radial-gradient(70vmax 55vmax at -4% 104%,rgba(0,0,0,.10),transparent 62%);
}
html[data-theme="dark"][data-style="glass"]:not([data-bgimg]) body::before{
  background:
    radial-gradient(70vmax 55vmax at 8% -6%,rgba(120,150,255,.16),transparent 62%),
    radial-gradient(60vmax 50vmax at 104% 34%,rgba(255,255,255,.05),transparent 60%),
    radial-gradient(70vmax 55vmax at -4% 104%,rgba(0,0,0,.45),transparent 62%);
}
/* 实底：小窗 / 顶栏 / 底栏也一并变实 */
html[data-style="normal"] .overlay-panel,
html[data-style="normal"] .gc-sheet-panel{background:var(--card)}
html[data-style="normal"] .topbar{background:var(--bg)}
html[data-style="normal"] .bottom-nav{background:var(--bg-soft)}
html[data-style="normal"] .gl-card{background:var(--card);backdrop-filter:none;-webkit-backdrop-filter:none}

/* —— 设置页：玻璃质感实时预览 —— */
.gl-preview{position:relative;height:132px;border-radius:20px;overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(135deg,#ffb86b,#ff6b9d 48%,#6b8bff);display:flex;align-items:center;justify-content:center}
.gl-blob{position:absolute;border-radius:50%;filter:blur(2px);opacity:.9}
.gl-blob.b1{width:90px;height:90px;left:8%;top:-18px;background:#fff7a8}
.gl-blob.b2{width:70px;height:70px;right:10%;bottom:-14px;background:#7cf0d0}
.gl-blob.b3{width:44px;height:44px;left:46%;top:58%;background:#2d3a8c}
.gl-card{position:relative;width:78%;padding:14px 16px;border-radius:16px;display:flex;flex-direction:column;gap:3px;
  background:var(--card-t);border:1px solid var(--line2);
  backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur))}
.gl-card b{font-size:14px}
.gl-card small{font-size:12px;color:var(--fg2)}
.ov-preview-panel.glass{background:color-mix(in srgb,var(--card) var(--ov-alpha,62%),transparent)}
.ov-preview-panel.glass.strong{background:color-mix(in srgb,var(--card) calc(var(--ov-alpha,62%) * .68),transparent);
  backdrop-filter:blur(calc(var(--blur) + 20px)) saturate(2);-webkit-backdrop-filter:blur(calc(var(--blur) + 20px)) saturate(2)}

/* —— 帖子小窗内容 —— */
.pv-av{width:auto;height:auto;background:none;box-shadow:none;font-size:0}
.pv-av .avatar{box-shadow:0 4px 12px rgba(0,0,0,.14)}
.pv-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.pv-actions .btn{width:100%;min-width:0}
.pv-actions > :last-child:nth-child(odd){grid-column:1/-1}

/* —— 评论：抖音式（回复统一一层缩进，不再无限嵌套变窄） —— */
.pv-c-list{gap:0}
.pv-c-card{display:flex;gap:10px;padding:11px 0;border:none;background:none;border-radius:0}
.pv-c-card + .pv-c-card{border-top:1px solid var(--line)}
.pv-c-card.sub{padding:9px 0 0;border-top:none}
.pv-c-main{flex:1;min-width:0}
.pv-c-meta{display:flex;align-items:center;gap:7px;flex-wrap:nowrap;justify-content:flex-start;margin-bottom:2px}
.pv-c-meta b{min-width:0;max-width:8.5em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pv-c-reply{flex:none;white-space:nowrap}
.pv-c-meta small{margin-left:auto;flex:none;white-space:nowrap}
.pv-c-subs{margin:4px 0 0;padding:0;border:none}
.pv-c-extra[hidden]{display:none}
.pv-c-expand{display:block;margin-top:8px;background:none;border:none;padding:0;color:var(--acc);font-size:12.5px;font-weight:650}
.pv-c-more{cursor:pointer}

@media(max-width:760px){
  .overlay-body{--ov-pad:16px}
  .overlay-body.no-cover{padding-top:56px}
  .pv-c-scroll{max-height:none;overflow:visible;padding-right:0}
}

/* —— 聊天 —— */
.chat-room{min-height:0}
.chat-msgs{min-height:0}
.chat-msgs > :first-child{margin-top:auto}
.chat-msgs .empty{margin:auto;color:var(--fg3);font-size:13px}
.bubble img{-webkit-touch-callout:default}
.bubble.img img{width:auto;height:auto;max-width:min(230px,60vw);max-height:300px;object-fit:cover;background:var(--field)}
.chat-input{align-items:flex-end;padding:10px 10px calc(10px + env(safe-area-inset-bottom) * 0)}
.chat-input textarea{min-height:44px;padding:11px 16px;border-radius:22px;line-height:1.4;font-size:16px}
.chat-input .btn{height:44px;padding:0 20px;border-radius:22px}
.chat-input .icon-btn{width:44px;height:44px}
.chat-input button:disabled{opacity:.6}
.cmsg .avatar{flex:none}
@media(max-width:760px){
  .chat-wrap.in-room{
    height:calc(var(--vvh,100dvh) - var(--topbar-h) - env(safe-area-inset-top) - 14px - 112px - env(safe-area-inset-bottom));
    min-height:340px;
  }
  [data-bottomnav="off"] .chat-wrap.in-room{height:calc(var(--vvh,100dvh) - var(--topbar-h) - env(safe-area-inset-top) - 14px - 24px)}
  /* 输入时收起底部导航，让聊天区占满，输入框紧贴键盘 */
  html.gc-typing .chat-wrap.in-room{height:calc(var(--vvh,100dvh) - var(--topbar-h) - env(safe-area-inset-top) - 14px - 12px)}
  html.gc-typing .bottom-nav{transform:translate(-50%,170%);opacity:0;pointer-events:none}
  .chat-room{border-radius:22px}
  .bubble{max-width:80%}
}

.chat-linkchip[hidden]{display:none}

.nav-dot[hidden]{display:none}
.chat-tabs button{background:color-mix(in srgb,var(--field) 62%,transparent);backdrop-filter:blur(var(--blur));-webkit-backdrop-filter:blur(var(--blur))}


/* ============================================================
   UI v3
   ============================================================ */
/* —— 页面切换：只动 main 的子元素，main 本身不做任何 transform / opacity。
      旧版给 main 加 3D 倾斜，会让里面所有卡片的毛玻璃在动画期间失效（看起来像「默认玻璃」），
      动画结束约 1 秒后模糊才恢复，这是跳转时玻璃效果「先默认、后自定义」的根因 —— */
@keyframes gcLeave{to{opacity:0;transform:translate3d(var(--lx,0px),var(--ly,-6px),0)}}
@keyframes gcEnter{from{opacity:0;transform:translate3d(var(--ex,0px),var(--ey,14px),0)}to{opacity:1;transform:none}}
html.gc-leave main.main > *{animation:gcLeave .16s cubic-bezier(.4,0,1,1) both!important;animation-delay:0s!important}
main.main.gc-hold > *{opacity:0!important;animation:none!important}
main.main.gc-enter > *{animation:gcEnter .46s var(--ease) both!important;animation-delay:calc(var(--i,0) * 32ms)!important}
body[data-anim="off"] main.main > *{animation:none!important}
@media (prefers-reduced-motion:reduce){html.gc-leave main.main > *,main.main.gc-enter > *{animation:none!important}}

/* —— 背景图：独立固定图层，不再挂在 body 上（换页 / 内容高度变化 / iOS 地址栏伸缩都不会跳动） —— */
html[data-bgimg]::before{
  content:"";position:fixed;left:0;top:0;width:100%;height:100vh;height:100lvh;z-index:-2;pointer-events:none;
  background:var(--bgimg) center/cover no-repeat;transform:translateZ(0);
}

/* —— 小窗：打开时锁住页面滚动，滚动只发生在小窗内部 —— */
html.gc-lock,html.gc-lock body{overflow:hidden}
.overlay-mask,.gc-sheet-mask{touch-action:none}
.overlay-body{display:flex;flex-direction:column;overflow:hidden;padding:0;min-height:0}
.overlay-body.no-cover{padding-top:0}
.overlay-body > .pv{display:flex;flex-direction:column;min-height:0;flex:1 1 auto}
.overlay-body .pv-main{flex:0 0 auto;max-height:50dvh;overflow:auto;overscroll-behavior:contain;padding:var(--ov-pad,20px);-webkit-overflow-scrolling:touch}
.overlay-body.no-cover .pv-main{padding-top:58px}
.overlay-body .pv-c-sec{flex:1 1 auto;min-height:160px;display:flex;flex-direction:column;overflow:hidden;
  margin:0;padding:0 var(--ov-pad,20px) var(--ov-pad,20px)}
.overlay-body .pv-c-scroll{flex:1 1 auto;min-height:0;max-height:none;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
@media(max-width:760px){
  .overlay-body.no-cover{padding-top:0}
  .overlay-body.no-cover .pv-main{padding-top:56px}
  .overlay-body .pv-c-scroll{overflow:auto;max-height:none}
}
/* 加载中骨架：小窗先展开，内容到了再按内容自适应大小 */
.overlay-panel.is-loading .overlay-body{min-height:340px}
.pv-skel{padding:64px var(--ov-pad,20px) 24px;display:flex;flex-direction:column;gap:16px}
.sk{display:block;border-radius:10px;background:linear-gradient(90deg,var(--field) 25%,color-mix(in srgb,var(--field) 55%,#fff) 50%,var(--field) 75%);background-size:200% 100%;animation:gcShimmer 1.25s linear infinite}
.sk-title{height:26px;width:55%}
.sk-row{display:flex;gap:12px;align-items:center}
.sk-av{width:40px;height:40px;border-radius:50%;flex:none}
.sk-col{flex:1;display:flex;flex-direction:column;gap:8px}
.sk-l1{height:12px;width:40%}.sk-l2{height:10px;width:62%}
.sk-block{height:84px;border-radius:14px}.sk-block.short{height:48px;width:70%}
@keyframes gcShimmer{to{background-position:-200% 0}}
.pv-err{padding:96px 24px 32px;text-align:center;color:var(--fg2);line-height:2.2}

/* —— 按钮忙碌态（表单无刷新提交时显示转圈） —— */
.btn.is-busy,button.is-busy{position:relative;color:transparent!important;pointer-events:none}
.btn.is-busy::after,button.is-busy::after{content:"";position:absolute;left:50%;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;
  border-radius:50%;border:2px solid var(--acc);border-right-color:transparent;animation:gcSpin .7s linear infinite}
.btn:not(.ghost):not(.danger).is-busy::after{border-color:#fff;border-right-color:transparent}
@keyframes gcSpin{to{transform:rotate(360deg)}}

/* —— 通用微动画 —— */
.card.post-card,.panel-row,.conv{transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s}
.card.post-card:active,.panel-row:active,.conv:active{transform:scale(.985)}
.panel-view:not([hidden]) > *{animation:gcEnter .4s var(--ease) both;animation-delay:calc(var(--i,0) * 30ms)}
.panel-view:not([hidden]) > *:nth-child(2){--i:1}.panel-view:not([hidden]) > *:nth-child(3){--i:2}.panel-view:not([hidden]) > *:nth-child(4){--i:3}
body[data-anim="off"] .panel-view > *{animation:none!important}
.chat-pane:not([hidden]) > *{animation:gcEnter .38s var(--ease) both}
body[data-anim="off"] .chat-pane > *{animation:none!important}


/* ============================================================
   他人主页小窗 / 头像可点 / 用户卡片
   ============================================================ */
.av-click{cursor:pointer;-webkit-tap-highlight-color:transparent;transition:transform .25s var(--ease)}
.av-click:active{transform:scale(.92)}
#userSheet{z-index:96}
.us-panel{max-width:min(var(--sheet-w),420px);padding:0;overflow:auto;overscroll-behavior:contain}
.us-panel > *{position:relative}
.us-close{position:absolute!important;top:14px;right:14px;z-index:3;width:36px;height:36px;border-radius:50%;
  background:color-mix(in srgb,var(--bg-soft) 85%,transparent);box-shadow:var(--shadow-md)}
.us-hero{display:flex;flex-direction:column;align-items:center;gap:8px;padding:34px 20px 10px;text-align:center}
.us-hero .avatar{box-shadow:0 10px 28px rgba(0,0,0,.2);cursor:default}
.us-name{font-size:21px;font-weight:800;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}
.us-sub{color:var(--fg2);font-size:12.5px}
.us-stats{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:6px 20px 4px}
.us-stats > div{background:var(--field);border:1px solid var(--line);border-radius:16px;padding:12px 6px;text-align:center}
.us-stats b{display:block;font-size:18px;font-weight:800;font-variant-numeric:tabular-nums}
.us-stats span{font-size:12px;color:var(--fg2)}
.us-actions{display:flex;gap:9px;padding:14px 20px 4px}
.us-actions .btn{flex:1;min-width:0}
.us-sec{padding:16px 22px 6px;font-size:13px;font-weight:700;color:var(--fg2)}
.us-empty{padding:6px 22px 24px;color:var(--fg3);font-size:13px}
.us-posts{padding:0 14px 20px;display:flex;flex-direction:column;gap:6px}
.us-post{display:flex;flex-direction:column;gap:3px;padding:11px 14px;border-radius:14px;background:var(--field);border:1px solid var(--line);
  color:var(--fg);transition:transform .3s var(--ease),background .25s}
.us-post:active{transform:scale(.985)}
.us-post span{font-weight:650;font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.us-post small{color:var(--fg3);font-size:12px;display:flex;align-items:center;gap:4px}
.us-panel.is-loading{min-height:360px}
.us-skel{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px 20px 24px}
.sk-av.big{width:84px;height:84px}
.us-skel .sk-l1{width:34%}.us-skel .sk-l2{width:48%}
.us-skel .sk-block{width:100%}
.user-card{display:flex;align-items:center;gap:12px;cursor:pointer;padding:12px 14px;margin-bottom:8px}
.user-card-t{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35}
.user-card-t small{color:var(--fg3);font-size:12px}
.user-card-go{transform:rotate(180deg);color:var(--fg3);display:flex}
.people{margin-bottom:6px}

/* ============================================================
   聊天：通讯录 / 纯净版
   ============================================================ */
.chat-wrap{position:relative}
.chat-wrap.morphing .chat-room{position:absolute;inset:0;z-index:5}
.chat-tabs{flex-wrap:nowrap;align-items:stretch}
.chat-tabs button{white-space:nowrap;padding:8px 4px;font-size:13px}
.chat-tabs .chat-pure-btn{flex:none;padding:8px 12px;color:var(--acc);border-color:color-mix(in srgb,var(--acc) 30%,transparent)}
.chat-pure-top,.pure-nav{display:none}
.conv .btn.small{padding:6px 12px}
.btn.danger.ghost,.btn.ghost.danger{background:transparent;color:var(--danger);border-color:color-mix(in srgb,var(--danger) 35%,transparent);box-shadow:none}
.nav-dot{position:absolute;top:2px;right:calc(50% - 20px);min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--danger);
  color:#fff;font-size:10px;font-style:normal;font-weight:700;line-height:16px;text-align:center;box-shadow:0 0 0 2px color-mix(in srgb,var(--bg) 80%,transparent)}

/* 纯净版：隐藏站点顶栏与全站底栏，聊天占满全屏，底栏换成聊天专用导航 */
body:has(.chat-wrap.pure) .topbar,
body:has(.chat-wrap.pure) .bottom-nav:not(.pure-nav){display:none!important}
body:has(.chat-wrap.pure) .main{padding:0!important;max-width:none}
.chat-wrap.pure{height:var(--vvh,100dvh);min-height:0;flex-direction:column;gap:0;max-width:760px;margin:0 auto}
.chat-wrap.pure .chat-pure-top{display:flex;align-items:center;gap:12px;padding:calc(10px + env(safe-area-inset-top)) 16px 10px}
.chat-wrap.pure .chat-pure-top b{font-size:19px;font-weight:800;letter-spacing:-.02em}
.chat-wrap.pure.in-room .chat-pure-top{display:none}
.chat-wrap.pure .chat-tabs{display:none}
.chat-wrap.pure .chat-side{flex:1;min-height:0;overflow:auto;overscroll-behavior:contain;padding:0 14px calc(104px + env(safe-area-inset-bottom))}
.chat-wrap.pure .pure-nav{display:flex}
.chat-wrap.pure.in-room .pure-nav{display:none}
.chat-wrap.pure .chat-room{flex:1;border-radius:0;border-left:none;border-right:none;border-bottom:none}
.chat-wrap.pure .chat-top{padding-top:calc(10px + env(safe-area-inset-top))}
.chat-wrap.pure.in-room{height:var(--vvh,100dvh)}
.chat-wrap.pure.morphing .chat-room{position:absolute;inset:0}
html.gc-typing .chat-wrap.pure.in-room{height:var(--vvh,100dvh)}
.chat-wrap.pure .chat-input{padding-bottom:calc(10px + env(safe-area-inset-bottom))}
html.gc-typing .chat-wrap.pure .chat-input{padding-bottom:10px}

/* 动画期间降低面板自身的模糊开销（背后的遮罩层本来就已模糊，视觉几乎无差别），结束后恢复完整玻璃 */
.overlay-panel.gc-animating,.gc-sheet-panel.gc-animating,.chat-room.gc-animating{
  backdrop-filter:blur(10px)!important;-webkit-backdrop-filter:blur(10px)!important;will-change:translate,scale,opacity}