/* ============================================
   零染社区 — 液态玻璃设计系统
   ============================================ */

:root {
  --bg: #050507;
  --bg-2: #0a0a0e;
  --glass: rgba(255,255,255,.045);
  --glass-2: rgba(255,255,255,.07);
  --glass-hi: rgba(255,255,255,.12);
  --border: rgba(255,255,255,.08);
  --border-hi: rgba(255,255,255,.16);
  --text: #f0f0f2;
  --text-2: rgba(240,240,242,.62);
  --text-3: rgba(240,240,242,.38);
  --accent: #00e5a0;
  --accent-2: #00b4d8;
  --accent-glow: rgba(0,229,160,.35);
  --danger: #ff4d6a;
  --warn: #ffb020;
  --gold: #e8c468;
  --r-sm: 10px;
  --r: 14px;
  --r-lg: 20px;
  --blur: 24px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

/* 浅色主题 */
[data-theme="light"] {
  --bg: #f2f2f7;
  --bg-2: #ffffff;
  --glass: rgba(255,255,255,.7);
  --glass-2: rgba(255,255,255,.85);
  --glass-hi: rgba(255,255,255,.95);
  --border: rgba(0,0,0,.08);
  --border-hi: rgba(0,0,0,.12);
  --text: #1a1a1e;
  --text-2: rgba(26,26,30,.6);
  --text-3: rgba(26,26,30,.35);
  --accent: #00c98a;
  --accent-2: #0099bb;
  --accent-glow: rgba(0,201,138,.25);
}
@media (prefers-color-scheme: light) {
  [data-theme="auto"] {
    --bg: #f2f2f7;
    --bg-2: #ffffff;
    --glass: rgba(255,255,255,.7);
    --glass-2: rgba(255,255,255,.85);
    --glass-hi: rgba(255,255,255,.95);
    --border: rgba(0,0,0,.08);
    --border-hi: rgba(0,0,0,.12);
    --text: #1a1a1e;
    --text-2: rgba(26,26,30,.6);
    --text-3: rgba(26,26,30,.35);
    --accent: #00c98a;
    --accent-2: #0099bb;
    --accent-glow: rgba(0,201,138,.25);
  }
}

* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }

html, body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}

/* 背景：极黑 + 两处微光 */
body::before {
  content:''; position:fixed; inset:0; z-index:-2;
  background:
    radial-gradient(ellipse 60% 40% at 15% 0%, rgba(0,229,160,.08), transparent 70%),
    radial-gradient(ellipse 50% 50% at 90% 100%, rgba(0,180,216,.06), transparent 70%);
  animation: bgShift 18s ease-in-out infinite alternate;
}
body::after {
  content:''; position:fixed; inset:0; z-index:-1;
  background-image: radial-gradient(rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity:.5;
}
@keyframes bgShift { 0%{transform:scale(1)} 100%{transform:scale(1.15) translate(2%,-1%)} }

/* ---- 液态玻璃基础 ---- */
.glass {
  background: var(--glass);
  backdrop-filter: blur(var(--blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(160%);
  border: 1px solid var(--border);
  border-radius: var(--r);
  position: relative;
}
.glass::before {
  content:''; position:absolute; inset:0; border-radius:inherit; pointer-events:none;
  background: linear-gradient(180deg, rgba(255,255,255,.06), transparent 40%);
}

/* ---- 布局 ---- */
.app { max-width:480px; margin:0 auto; min-height:100vh; padding-bottom:88px; position:relative; }

/* 顶栏 */
.topbar {
  position:sticky; top:0; z-index:50;
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 18px;
  background: rgba(5,5,7,.72);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
[data-theme="light"] .topbar { background:rgba(242,242,247,.85); border-bottom-color:rgba(0,0,0,.06); }
[data-theme="light"] .profile-page .topbar,
[data-theme="light"] .opage .topbar { background:rgba(255,255,255,.3)!important; backdrop-filter:blur(20px) saturate(160%); -webkit-backdrop-filter:blur(20px) saturate(160%); border-bottom:1px solid rgba(255,255,255,.25)!important; box-shadow:none!important; }
@media (prefers-color-scheme: light) { [data-theme="auto"] .topbar { background:rgba(242,242,247,.85); border-bottom-color:rgba(0,0,0,.06); } }
@media (prefers-color-scheme: light) { [data-theme="auto"] .profile-page .topbar, [data-theme="auto"] .opage .topbar { background:rgba(255,255,255,.3)!important; backdrop-filter:blur(20px) saturate(160%); -webkit-backdrop-filter:blur(20px) saturate(160%); border-bottom:1px solid rgba(255,255,255,.25)!important; box-shadow:none!important; } }
.topbar .brand { font-size:17px; font-weight:700; letter-spacing:-.3px; }
.topbar .brand span { color: var(--accent); }
.icon-btn {
  width:34px; height:34px; display:flex; align-items:center; justify-content:center;
  border-radius:50%; background:var(--glass); border:1px solid var(--border);
  color:var(--text-2); cursor:pointer; transition:.2s; font-size:15px;
}
.icon-btn:hover { background:var(--glass-2); color:var(--text); }

/* Tab */
.tabs { display:flex; gap:28px; padding:14px 18px 6px; }
.tabs .tab { font-size:15px; color:var(--text-3); cursor:pointer; transition:.2s; font-weight:500; position:relative; padding-bottom:6px; }
.tabs .tab.on { color:var(--text); font-weight:700; font-size:16px; }
.tabs .tab.on::after { content:''; position:absolute; bottom:0; left:50%; transform:translateX(-50%); width:18px; height:2px; background:var(--accent); border-radius:2px; }

/* 轮播 */
.banner { margin:10px 16px; border-radius:var(--r-lg); height:150px; position:relative; overflow:hidden; }
.banner-slide { position:absolute; inset:0; display:flex; align-items:center; padding:24px; opacity:0; transition:opacity .5s; }
.banner-slide.on { opacity:1; }
.banner-slide h2 { font-size:20px; font-weight:700; margin-bottom:6px; letter-spacing:-.3px; }
.banner-slide p { font-size:12px; color:var(--text-2); }
.banner-dots { position:absolute; bottom:12px; left:50%; transform:translateX(-50%); display:flex; gap:5px; }
.banner-dots i { width:5px; height:5px; border-radius:50%; background:rgba(255,255,255,.25); transition:.3s; }
.banner-dots i.on { width:16px; border-radius:3px; background:var(--accent); }
.banner-img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.banner-content { position:relative; z-index:2; }

/* 快捷入口 */
.quick { display:grid; grid-template-columns:repeat(5,1fr); gap:4px; padding:14px 12px; }
.qa { display:flex; flex-direction:column; align-items:center; gap:7px; cursor:pointer; transition:transform .15s; }
.qa:active { transform:scale(.92); }
.qa .qi {
  width:46px; height:46px; border-radius:14px; display:flex; align-items:center; justify-content:center;
  background:var(--glass); border:1px solid var(--border); font-size:20px;
}
.qa .ql { font-size:11px; color:var(--text-2); }

/* 帖子卡 */
.post { margin:7px 12px; padding:11px 13px; transition:transform .15s; }
.post:active { transform:scale(.985); }
.post-hd { display:flex; align-items:center; gap:8px; margin-bottom:7px; }
.ava-wrap { position:relative; width:36px; height:36px; flex-shrink:0; }
.ava { width:36px; height:36px; border-radius:50%; object-fit:cover; display:block; background:var(--glass-2); }
/* 头像框：真实叠加渲染，框大于头像 */
.ava-frame {
  position:absolute; inset:-15px; border-radius:50%; pointer-events:none; z-index:3;
  background-size:100% 100%; background-position:center; background-repeat:no-repeat;
}
.ava-frame.vip {
  background: conic-gradient(from 0deg, var(--gold), #fff6d5, var(--gold), #b8860b, var(--gold));
  padding:2px; -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude;
  animation: spin 6s linear infinite;
  inset:-8px;
}
@keyframes spin { to { transform:rotate(360deg); } }

.post-ui { flex:1; min-width:0; }
.post-ui .nm { font-weight:600; font-size:13px; display:flex; align-items:center; gap:5px; }
.post-ui .tm { font-size:10px; color:var(--text-3); margin-top:1px; }
.badge { font-size:8px; padding:1px 4px; border-radius:4px; font-weight:700; letter-spacing:.3px; }
.badge.vip { background:linear-gradient(135deg,var(--gold),#fff6d5); color:#5c4400; }
.badge.lv { background:var(--glass-2); color:var(--accent); border:1px solid var(--border); }
.badge.top { background:var(--danger); color:#fff; }
.badge.admin { background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#001; }
.np-row { display:inline-flex; flex-wrap:wrap; gap:4px; max-width:280px; align-items:center; vertical-align:middle; }
.post-nameplate, .comment-nameplate { max-height:13px!important; max-width:50px!important; width:auto!important; height:auto!important; object-fit:contain; vertical-align:middle; flex-shrink:0; display:inline-block; }

.post-body { font-size:13px; line-height:1.55; margin-bottom:7px; word-break:break-word; }
.post-imgs { column-count:2; column-gap:4px; margin-bottom:7px; }
.post-imgs.count-1 { column-count:1; }
.post-imgs img { width:100%; height:auto; display:block; object-fit:cover; border-radius:8px; cursor:pointer; margin-bottom:4px; break-inside:avoid; max-height:160px; }
.post-imgs.count-1 img { max-height:200px; border-radius:10px; }
.post-act { display:flex; gap:16px; color:var(--text-3); font-size:12px; }
.post-act span { display:flex; align-items:center; gap:4px; cursor:pointer; transition:.2s; }
.post-act span:hover, .post-act span.liked { color:var(--danger); }
.post-act .like-btn.liked svg { fill:currentColor; }

/* 底部液态玻璃导航 */
.navbar {
  position:fixed; bottom:14px; left:50%; transform:translateX(-50%);
  width:calc(100% - 28px); max-width:452px; height:60px; z-index:100;
  display:flex; align-items:center; justify-content:space-around; padding:0 8px;
  background: linear-gradient(135deg, rgba(255,255,255,.09), rgba(255,255,255,.03));
  backdrop-filter: blur(30px) saturate(180%); -webkit-backdrop-filter: blur(30px) saturate(180%);
  border:1px solid var(--border-hi); border-radius:22px;
  box-shadow: 0 8px 32px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.15), inset 0 -1px 0 rgba(0,0,0,.2);
  animation: navFloat 5s ease-in-out infinite;
}
@keyframes navFloat { 0%,100%{transform:translateX(-50%) translateY(0)} 50%{transform:translateX(-50%) translateY(-3px)} }
.navbar::before { content:''; position:absolute; top:0; left:12%; right:12%; height:1px; background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent); }
.ni { display:flex; flex-direction:column; align-items:center; gap:2px; color:var(--text-3); cursor:pointer; transition:.25s cubic-bezier(.34,1.56,.64,1); padding:5px 8px; border-radius:12px; position:relative; text-decoration:none; }
.ni.on { color:var(--text); }
.ni.on::before { content:''; position:absolute; top:-4px; width:3px; height:3px; border-radius:50%; background:var(--accent); box-shadow:0 0 8px var(--accent-glow); }
.ni .nii { font-size:19px; transition:transform .25s; display:flex; align-items:center; justify-content:center; }
.ni.on .nii { transform:translateY(-2px) scale(1.08); }
.ni .nil { font-size:9px; font-weight:600; }
.ni-pub {
  width:50px; height:50px; border-radius:50%; margin-top:-22px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  display:flex; align-items:center; justify-content:center; font-size:24px; color:#001;
  cursor:pointer; box-shadow:0 4px 16px var(--accent-glow); transition:.25s cubic-bezier(.34,1.56,.64,1);
  position:relative; z-index:2;
}
.ni-pub:hover { transform:scale(1.08) rotate(90deg); }
.ni-pub:active { transform:scale(.94); }

/* 按钮 */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:5px; padding:9px 20px; border-radius:var(--r-sm); font-size:13px; font-weight:600; cursor:pointer; border:none; transition:.2s; text-decoration:none; }
.btn-primary { background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#001510; box-shadow:0 3px 12px var(--accent-glow); }
.btn-primary:hover { transform:translateY(-1px); box-shadow:0 5px 18px var(--accent-glow); }
.btn-ghost { background:transparent; color:var(--text); border:1px solid var(--border); }
.btn-ghost:hover { background:var(--glass); }
.btn-danger { background:var(--danger); color:#fff; }
.btn-gold { background:linear-gradient(135deg,var(--gold),#fff6d5); color:#5c4400; }
.btn-block { width:100%; }
.btn-sm { padding:5px 12px; font-size:12px; }

/* 表单 */
.fi { margin-bottom:14px; }
.fi label { display:block; margin-bottom:5px; color:var(--text-2); font-size:12px; }
.inp {
  width:100%; padding:11px 14px; background:var(--glass); border:1px solid var(--border);
  border-radius:var(--r-sm); color:var(--text); font-size:14px; outline:none; transition:.2s; font-family:inherit;
}
.inp:focus { border-color:var(--accent); box-shadow:0 0 0 3px rgba(0,229,160,.15); }
.inp::placeholder { color:var(--text-3); }
textarea.inp { resize:vertical; }

/* 个人中心 */
.prof-hd { padding:28px 18px 16px; text-align:center; }
.prof-ava { position:relative; width:76px; height:76px; margin:0 auto 12px; }
.prof-ava .ava { width:76px; height:76px; }
.prof-ava .ava-frame { inset:-5px; }
.prof-nm { font-size:19px; font-weight:700; display:flex; align-items:center; justify-content:center; gap:6px; }
.prof-uid { font-size:11px; color:var(--text-3); margin-top:2px; letter-spacing:.5px; }
.prof-sig { font-size:13px; color:var(--text-2); margin-top:6px; }
.prof-stats { display:flex; justify-content:space-around; padding:16px; margin:0 16px; }
.prof-stat { text-align:center; }
.prof-stat .n { font-size:17px; font-weight:700; }
.prof-stat .l { font-size:10px; color:var(--text-3); margin-top:2px; }

/* 菜单列表 */
.menu { margin:12px 16px; overflow:hidden; }
.mi { display:flex; align-items:center; gap:11px; padding:13px 15px; cursor:pointer; transition:background .2s; border-bottom:1px solid rgba(255,255,255,.04); }
.mi:last-child { border-bottom:none; }
.mi:hover { background:rgba(255,255,255,.03); }
.mi .mii { width:30px; height:30px; border-radius:9px; display:flex; align-items:center; justify-content:center; font-size:15px; background:var(--glass); flex-shrink:0; }
.mi .mit { flex:1; font-size:13px; }
.mi .mia { color:var(--text-3); font-size:13px; }

/* 商城 */
.shop-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:10px; padding:14px 16px; }
.si { padding:16px 12px; text-align:center; transition:.2s; cursor:pointer; }
.si:hover { transform:translateY(-3px); }
.si .prev { width:72px; height:72px; margin:0 auto 10px; border-radius:50%; display:flex; align-items:center; justify-content:center; position:relative; overflow:hidden; }
.si .nm { font-weight:600; font-size:13px; margin-bottom:3px; }
.si .pr { color:var(--warn); font-weight:700; font-size:13px; }
.si .vt { position:absolute; top:4px; right:4px; font-size:9px; padding:1px 5px; background:linear-gradient(135deg,var(--gold),#fff6d5); color:#5c4400; border-radius:4px; font-weight:700; }

/* 圈子 */
.circle { display:flex; align-items:center; gap:11px; padding:13px 15px; margin:8px 16px; }
.circle .ci { width:46px; height:46px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:22px; background:var(--glass); flex-shrink:0; }
.circle .cinfo { flex:1; min-width:0; }
.circle .cinfo .cn { font-weight:600; font-size:14px; }
.circle .cinfo .cd { font-size:11px; color:var(--text-3); margin-top:1px; }

/* 消息 */
.msg-item { display:flex; align-items:center; gap:11px; padding:13px 15px; margin:8px 16px; cursor:pointer; transition:.15s; }
.msg-item:active { transform:scale(.98); }
.msg-ic { width:42px; height:42px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:18px; flex-shrink:0; }
.msg-ic.like { background:linear-gradient(135deg,#ff4d6a,#ff8a3d); }
.msg-ic.cmt { background:linear-gradient(135deg,var(--accent-2),var(--accent)); }
.msg-ic.sys { background:linear-gradient(135deg,#4a4a5a,#6a6a7a); }
.msg-info { flex:1; min-width:0; }
.msg-info .t { font-weight:600; font-size:14px; display:flex; align-items:center; gap:5px; }
.msg-info .p { font-size:12px; color:var(--text-3); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.msg-time { font-size:11px; color:var(--text-3); flex-shrink:0; }
.dot { width:7px; height:7px; border-radius:50%; background:var(--danger); display:inline-block; }

/* 聊天气泡 */
.chat-area { padding:16px; min-height:calc(100vh - 180px); }
.chat-row { display:flex; margin-bottom:12px; }
.chat-row.self { justify-content:flex-end; }
.chat-row .ava { width:32px; height:32px; margin-right:8px; flex-shrink:0; }
.bubble { max-width:72%; padding:9px 14px; border-radius:16px; font-size:14px; word-break:break-word; line-height:1.5; }
.bubble.self { border-bottom-right-radius:4px; background:linear-gradient(135deg,var(--accent),var(--accent-2)); color:#001510; }
.bubble.other { border-bottom-left-radius:4px; background:var(--glass-2); border:1px solid var(--border); }
.chat-input { position:fixed; bottom:0; left:50%; transform:translateX(-50%); width:100%; max-width:480px; padding:10px 14px; background:rgba(5,5,7,.85); backdrop-filter:blur(20px); border-top:1px solid var(--border); display:flex; gap:8px; }
[data-theme="light"] .chat-input { background:rgba(242,242,247,.9); }
@media (prefers-color-scheme: light) { [data-theme="auto"] .chat-input { background:rgba(242,242,247,.9); } }

/* 登录页 */
.auth-page { min-height:100vh; display:flex; flex-direction:column; justify-content:center; padding:32px 24px; }
.auth-logo { text-align:center; margin-bottom:36px; }
.auth-logo h1 { font-size:30px; font-weight:800; letter-spacing:-.5px; }
.auth-logo h1 span { color:var(--accent); }
.auth-logo p { color:var(--text-2); font-size:13px; margin-top:6px; }
.auth-card { padding:26px; }

/* 后台 */
.admin-wrap { display:flex; min-height:100vh; }
.admin-side { width:210px; background:var(--bg-2); border-right:1px solid var(--border); padding:18px 0; flex-shrink:0; }
.admin-side .ab { padding:0 18px 18px; font-size:16px; font-weight:700; border-bottom:1px solid var(--border); margin-bottom:8px; }
.admin-side .ab span { color:var(--accent); }
.am a { display:flex; align-items:center; gap:9px; padding:10px 18px; color:var(--text-2); text-decoration:none; font-size:13px; transition:.2s; border-left:2px solid transparent; }
.am a:hover, .am a.on { background:var(--glass); color:var(--text); border-left-color:var(--accent); }
.admin-main { flex:1; padding:22px; overflow-y:auto; }
.admin-hd { display:flex; justify-content:space-between; align-items:center; margin-bottom:20px; }
.admin-hd h2 { font-size:20px; font-weight:700; }
.stat-row { display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); gap:12px; margin-bottom:20px; }
.stat-card { padding:18px; }
.stat-card .sl { color:var(--text-3); font-size:12px; margin-bottom:6px; }
.stat-card .sv { font-size:24px; font-weight:700; }
.tbl { width:100%; border-collapse:collapse; }
.tbl th, .tbl td { padding:11px 14px; text-align:left; border-bottom:1px solid var(--border); font-size:13px; }
.tbl th { color:var(--text-3); font-weight:600; font-size:11px; text-transform:uppercase; letter-spacing:.5px; }
.tbl tr:hover { background:var(--glass); }
.tbl-wrap { overflow-x:auto; }

/* Toast */
.toast { position:fixed; top:18px; left:50%; transform:translateX(-50%) translateY(-80px); padding:10px 20px; border-radius:var(--r-sm); z-index:9999; font-size:13px; font-weight:500; backdrop-filter:blur(20px); transition:transform .35s cubic-bezier(.34,1.56,.64,1); max-width:90%; }
.toast.show { transform:translateX(-50%) translateY(0); }
.toast.ok { background:rgba(0,229,160,.9); color:#001510; }
.toast.err { background:rgba(255,77,106,.9); color:#fff; }
.toast.info { background:rgba(0,180,216,.9); color:#001; }

/* Modal */
.modal-ov { position:fixed; inset:0; background:rgba(0,0,0,.65); backdrop-filter:blur(6px); z-index:2000; display:none; align-items:center; justify-content:center; padding:20px; }
.modal-ov.show { display:flex; animation:fade .25s; }
.modal { width:100%; max-width:380px; padding:22px; animation:mIn .3s cubic-bezier(.34,1.56,.64,1); }
@keyframes fade { from{opacity:0} to{opacity:1} }
@keyframes mIn { from{transform:scale(.92) translateY(16px); opacity:0} to{transform:scale(1) translateY(0); opacity:1} }
.modal h3 { margin-bottom:16px; font-size:17px; }
.modal-act { display:flex; gap:8px; margin-top:18px; }

/* 空状态 */
.empty { text-align:center; padding:50px 20px; color:var(--text-3); }
.empty .ei { font-size:42px; margin-bottom:10px; opacity:.4; }

/* 标签 */
.tag { display:inline-block; padding:1px 6px; border-radius:4px; font-size:10px; font-weight:600; }

/* 粒子 */
.particles { position:fixed; inset:0; pointer-events:none; z-index:-1; overflow:hidden; }
.ptcl { position:absolute; width:3px; height:3px; background:var(--accent); border-radius:50%; opacity:0; animation:pFloat linear infinite; }
@keyframes pFloat { 0%{transform:translateY(100vh) scale(0); opacity:0} 10%{opacity:.25} 90%{opacity:.25} 100%{transform:translateY(-10vh) scale(1); opacity:0} }

/* 页面进入 */
.page-in { animation:pIn .35s ease; }
@keyframes pIn { from{opacity:0; transform:translateY(8px)} to{opacity:1; transform:translateY(0)} }

/* 滚动条 */
::-webkit-scrollbar { width:3px; height:3px; }
::-webkit-scrollbar-thumb { background:var(--border); border-radius:2px; }

/* ============================================
   全站性能优化
   ============================================ */
/* GPU加速动画，避免卡顿（navbar有自己的transform居中，不加） */
.topbar, .glass, .post, .modal, .banner-slide,
.page-in, .pts-item, .nav-item, .btn {
    transform: translateZ(0);
    backface-visibility: hidden;
}

/* 减少重绘：固定元素用contain */
.topbar { contain: layout style; }

/* 字体优化 */
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* 视频优化：只预加载元数据 */
video { preload: metadata; }

/* 图片优化：防止布局偏移 */
img { max-width:100%; height:auto; }

/* 动画只触发transform和opacity */
.post, .pts-item, .circle-post-card, .nav-item, .btn {
    will-change: transform;
}

/* 响应式 */
@media(max-width:768px){
  .admin-wrap { flex-direction:column; }
  .admin-side { width:100%; display:flex; overflow-x:auto; padding:10px; }
  .admin-side .ab { display:none; }
  .am { display:flex; gap:3px; }
  .am a { padding:7px 12px; white-space:nowrap; border-left:none !important; border-radius:8px; }
}

/* ============================================
   浅色主题全面覆盖
   ============================================ */
[data-theme="light"] body,
[data-theme="light"] .app { background:var(--bg); color:var(--text); }
[data-theme="light"] .glass::before { background:linear-gradient(180deg, rgba(255,255,255,.5), transparent 40%); }
[data-theme="light"] .modal-ov { background:rgba(0,0,0,.35); }
[data-theme="light"] .qr-modal { background:rgba(0,0,0,.35); }
[data-theme="light"] .global-toast { background:rgba(255,255,255,.92)!important; color:var(--text)!important; border:1px solid var(--border); }
/* 浅色模式输入框 */
[data-theme="light"] .inp { background:rgba(255,255,255,.7); }
[data-theme="light"] .inp:focus { box-shadow:0 0 0 3px rgba(0,201,138,.12); }
/* 浅色模式底部导航 */
[data-theme="light"] .navbar { background:linear-gradient(135deg, rgba(255,255,255,.85), rgba(255,255,255,.7)); border-color:rgba(0,0,0,.08); box-shadow:0 8px 32px rgba(0,0,0,.12); }
/* 跟随系统-浅色 */
@media (prefers-color-scheme: light) {
  [data-theme="auto"] body, [data-theme="auto"] .app { background:var(--bg); color:var(--text); }
  [data-theme="auto"] .glass::before { background:linear-gradient(180deg, rgba(255,255,255,.5), transparent 40%); }
  [data-theme="auto"] .modal-ov { background:rgba(0,0,0,.35); }
  [data-theme="auto"] .qr-modal { background:rgba(0,0,0,.35); }
  [data-theme="auto"] .global-toast { background:rgba(255,255,255,.92)!important; color:var(--text)!important; border:1px solid var(--border); }
  [data-theme="auto"] .inp { background:rgba(255,255,255,.7); }
  [data-theme="auto"] .inp:focus { box-shadow:0 0 0 3px rgba(0,201,138,.12); }
  [data-theme="auto"] .navbar { background:linear-gradient(135deg, rgba(255,255,255,.85), rgba(255,255,255,.7)); border-color:rgba(0,0,0,.08); box-shadow:0 8px 32px rgba(0,0,0,.12); }
}