/* ============================================================
   飞腾鼠 FEITENGMOUSE · 前台 PHP 页面共享样式
   白底 GitHub 风克制设计；深色页脚。兼容手机与电脑端。
   页面特有布局可在该页 <style> 中追加，勿覆盖本文件基础类。
   ============================================================ */
:root{
  --fg:#1f2328; --fg-muted:#59636e; --fg-subtle:#818b96;
  --black:#101418;
  --bg:#ffffff; --bg-subtle:#f6f8fa; --bg-muted:#f3f4f6;
  --border:#d0d7de; --border-strong:#afb8c1;
  --blue:#0969da; --blue-deep:#0550ae;
  --green:#1f883d; --green-deep:#1a7f37;
  --red:#cf222e; --red-deep:#a40e26;
  --yellow:#9a6700;
  --radius:10px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);color:var(--fg);background:var(--bg);font-size:14px;line-height:1.6}
img{max-width:100%}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;width:100%}

/* ---------- 顶部公告条 ---------- */
.annc-bar{background:#0d1117;color:#f0f6fc;border-bottom:1px solid #21262d}
.annc-in{display:flex;align-items:center;gap:12px;padding-top:8px;padding-bottom:8px;font-size:13px}
.annc-in span{flex:1;min-width:0}
.annc-in button{background:none;border:none;color:#9da7b3;cursor:pointer;padding:2px;display:flex}
.annc-in button:hover{color:#fff}
.annc-in svg{width:14px;height:14px}

/* ---------- 导航 ---------- */
.pnav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid var(--border)}
.pnav-in{display:flex;align-items:center;gap:16px;height:58px}
.pbrand{display:flex;align-items:center;gap:9px;color:var(--black);font-weight:700;flex-shrink:0}
.pbrand:hover{text-decoration:none}
.pbrand img{width:30px;height:30px;border-radius:50%}
.pbrand span{font-size:15px;white-space:nowrap}
.pbrand small{color:var(--fg-subtle);font-weight:500;font-size:11px}
.pnav-links{display:flex;gap:2px;margin-left:6px}
.pnav-links a{color:var(--fg-muted);font-size:13.5px;font-weight:500;padding:6px 11px;border-radius:7px;white-space:nowrap}
.pnav-links a:hover{background:var(--bg-muted);color:var(--fg);text-decoration:none}
.pnav-links a.active{background:var(--black);color:#fff}
.pnav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.pburger{display:none;background:none;border:1px solid var(--border);border-radius:7px;padding:7px;cursor:pointer;color:var(--fg)}
.pburger svg{width:16px;height:16px;display:block}
.pacc{position:relative}
.pacc-btn{display:flex;align-items:center;gap:7px;background:none;border:1px solid var(--border);border-radius:8px;padding:4px 9px 4px 5px;cursor:pointer;font-family:inherit;font-size:13px;color:var(--fg)}
.pacc-btn:hover{background:var(--bg-muted)}
.pacc-btn img:first-child{width:24px;height:24px;border-radius:50%}
.pacc-drop{display:none;position:absolute;right:0;top:calc(100% + 8px);width:230px;background:#fff;border:1px solid var(--border);border-radius:11px;box-shadow:0 16px 40px rgba(1,4,9,.18);overflow:hidden;z-index:120}
.pacc-drop.open{display:block}
.pacc-head{display:flex;flex-direction:column;padding:12px 14px;border-bottom:1px solid var(--border);background:var(--bg-subtle)}
.pacc-head b{font-size:14px}
.pacc-head span{color:var(--fg-muted);font-size:12px;word-break:break-all}
.pacc-drop a{display:block;padding:9px 14px;color:var(--fg);font-size:13px}
.pacc-drop a:hover{background:var(--bg-muted);text-decoration:none}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:#f6f8fa;color:var(--fg);
  border:1px solid rgba(31,35,40,.15);border-radius:8px;padding:7px 15px;font-size:13.5px;font-weight:600;
  cursor:pointer;font-family:inherit;line-height:1.3;transition:background .15s,border-color .15s,transform .1s;white-space:nowrap}
.btn:hover{background:#eef1f4;text-decoration:none}
.btn:active{transform:scale(.98)}
.btn-solid{background:var(--green);border-color:rgba(31,35,40,.15);color:#fff}
.btn-solid:hover{background:var(--green-deep);color:#fff}
.btn-blue{background:var(--blue);color:#fff;border-color:rgba(31,35,40,.15)}
.btn-blue:hover{background:var(--blue-deep);color:#fff}
.btn-danger,.btn.danger{background:var(--red);color:#fff;border-color:rgba(31,35,40,.15)}
.btn-danger:hover,.btn.danger:hover{background:var(--red-deep);color:#fff}
.btn-sm{padding:5px 11px;font-size:12.5px;border-radius:7px}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}
.btn svg{width:15px;height:15px;flex-shrink:0}

/* ---------- 闪存提示 / 表单 ---------- */
.flash{padding:10px 15px;border-radius:9px;margin:18px 0;font-size:13.5px;border:1px solid}
.flash.ok{background:#dafbe1;color:#0a3622;border-color:#aceebb}
.flash.err,.flash.error{background:#ffebe9;color:#82071e;border-color:#ffcecb}
.flash.info{background:#ddf4ff;color:#0a3069;border-color:#b6e3ff}
label{font-weight:600;font-size:13px}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=file],textarea,select{
  width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:8px;font-family:inherit;font-size:13.5px;color:var(--fg);background:#fff}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(9,105,218,.15)}
textarea{resize:vertical;min-height:84px}
.field{margin-bottom:15px}
.field .hint{color:var(--fg-subtle);font-size:12px;font-weight:400;margin-top:4px}
.field .err{color:var(--red);font-size:12px;margin-top:4px}

/* ---------- 卡片 / 表格 / 徽章 ---------- */
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:18px;overflow:hidden}
.card>.ch{display:flex;align-items:center;gap:10px;padding:13px 17px;border-bottom:1px solid var(--border);background:var(--bg-subtle);font-weight:700;font-size:14px;flex-wrap:wrap}
.card>.cb{padding:16px 17px}
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:12px;color:var(--fg-muted);font-weight:600;padding:10px 14px;border-bottom:1px solid var(--border);background:var(--bg-subtle)}
.tbl td{padding:11px 14px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:#fbfcfd}
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:600;border:1px solid transparent}
.badge.gray{background:var(--bg-muted);color:var(--fg-muted)}
.badge.green{background:#dafbe1;color:#0a3622}
.badge.red{background:#ffebe9;color:#82071e}
.badge.blue{background:#ddf4ff;color:#0a3069}
.badge.yellow{background:#fff8c5;color:#6b4e00}
.tag{display:inline-flex;align-items:center;padding:2px 9px;border-radius:20px;background:var(--bg-muted);color:var(--fg-muted);font-size:11.5px;font-weight:600}
.pager{display:flex;gap:6px;align-items:center;padding:12px 16px;font-size:13px;color:var(--fg-muted);flex-wrap:wrap}
.pager a,.pager .cur{min-width:30px;text-align:center;padding:4px 9px;border:1px solid var(--border);border-radius:7px;color:var(--fg)}
.pager a:hover{background:var(--bg-muted);text-decoration:none}
.pager .cur{background:var(--black);color:#fff;border-color:var(--black)}

/* ---------- 页头 / 空状态 ---------- */
.page-head{margin:26px 0 20px}
.page-head h1{margin:0 0 6px;font-size:24px;letter-spacing:-.01em}
.page-head p{margin:0;color:var(--fg-muted);font-size:13.5px}
.empty{text-align:center;color:var(--fg-subtle);padding:44px 20px;font-size:13.5px}
.empty .big{font-size:15px;color:var(--fg-muted);font-weight:600;display:block;margin-bottom:6px}
.muted{color:var(--fg-subtle)}
.avatar-s{width:34px;height:34px;border-radius:50%;object-fit:cover}
.avatar-m{width:52px;height:52px;border-radius:50%;object-fit:cover}
.avatar-l{width:96px;height:96px;border-radius:50%;object-fit:cover}
img.vsmall,img.vbig{display:inline-block;border-radius:50%;margin-left:3px;vertical-align:-2px}

/* ---------- 选项卡（GitHub 风分类） ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:18px;overflow-x:auto}
.tabs a,.tabs button{display:inline-flex;align-items:center;gap:6px;padding:9px 14px;background:none;border:none;border-bottom:2px solid transparent;
  color:var(--fg-muted);font-size:13.5px;font-weight:600;cursor:pointer;font-family:inherit;white-space:nowrap}
.tabs a:hover,.tabs button:hover{color:var(--fg);text-decoration:none}
.tabs .active{color:var(--fg);border-bottom-color:#fd8c73}
.tabs .count{background:var(--bg-muted);border-radius:20px;padding:0 7px;font-size:11px;color:var(--fg-muted)}
.tabs .active .count{background:#fff1ef;color:var(--fg)}

/* ---------- 登录门槛 / 封号屏 ---------- */
.gate-card{max-width:460px;margin:50px auto;text-align:center;border:1px solid var(--border);border-radius:14px;padding:38px 30px;background:#fff}
.gate-card h3{margin:0 0 10px;font-size:19px}
.gate-card p{color:var(--fg-muted);margin:0 0 20px}
.ban-screen{padding:60px 20px}
.ban-card{max-width:560px;margin:0 auto;border:1px solid #ffcecb;background:#fff5f5;border-radius:14px;padding:38px 34px;text-align:center}
.ban-card h1{color:var(--red);font-size:24px;margin:0 0 16px}
.ban-card p{color:var(--fg);margin:8px 0}

/* ---------- Toast ---------- */
#siteToast{position:fixed;left:50%;bottom:34px;transform:translateX(-50%) translateY(20px);background:#1f2328;color:#fff;
  padding:10px 19px;border-radius:9px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .22s,transform .22s;z-index:300;max-width:90vw}
#siteToast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 页脚 ---------- */
.pfooter{background:#0d1117;color:#9da7b3;margin-top:56px}
.pfooter-in{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;padding:42px 20px 34px}
.pf-logo{display:flex;align-items:center;gap:10px;color:#f0f6fc;font-weight:700;font-size:15px;margin-bottom:12px}
.pf-logo img{width:32px;height:32px;border-radius:50%}
.pf-logo small{font-weight:500;color:#7d8590;font-size:11px}
.pf-brand-col p{font-size:12px;line-height:1.8;margin:0}
.pf-col h5{color:#f0f6fc;font-size:13px;margin:0 0 12px}
.pf-col a{display:block;color:#9da7b3;font-size:12.5px;padding:3px 0}
.pf-col a:hover{color:#fff;text-decoration:none}
.pfooter-bottom{border-top:1px solid #21262d;padding:15px 0;font-size:12px;color:#7d8590}

/* ---------- 弹窗（共享） ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(1,4,9,.45);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.open{display:flex}
.modal{background:#fff;border-radius:13px;width:100%;max-width:480px;max-height:88vh;overflow:auto;box-shadow:0 30px 70px rgba(1,4,9,.4)}
.modal-h{display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--border);font-weight:700}
.modal-b{padding:17px 18px}
.modal-f{display:flex;gap:9px;justify-content:flex-end;padding:13px 18px;border-top:1px solid var(--border)}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .pburger{display:block;margin-left:auto}
  .pnav-links{display:none;position:absolute;top:58px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);
    flex-direction:column;padding:8px 12px;gap:2px;box-shadow:0 14px 30px rgba(1,4,9,.12)}
  .pnav-links.open{display:flex}
  .pnav-links a{padding:11px 12px;border-radius:8px;font-size:14px}
  .pnav-right{margin-left:0}
  .pnav-in{gap:10px}
  .pbrand small{display:none}
  .pfooter-in{grid-template-columns:1fr 1fr;gap:24px}
  .pf-brand-col{grid-column:1/-1}
}
@media (max-width:520px){
  .wrap{padding:0 14px}
  .pacc-btn span{display:none}
  .pfooter-in{grid-template-columns:1fr;gap:20px}
}

/* ============================================================
   设备底座：桌面端共享导航加固（.device-desktop 作用域隔离，不影响手机端）
   保证五语下导航项 nowrap 不换行、不竖排；空间不足横向溢出；active 黑按钮不重叠。
   ============================================================ */
html.device-desktop .pburger{display:none !important}
html.device-desktop .pnav-right{margin-left:auto}
html.device-desktop .pnav-links{
  display:flex !important;
  position:static !important;
  flex-direction:row !important;
  flex-wrap:nowrap !important;
  align-items:center;
  gap:2px;
  padding:0 !important;
  margin-left:6px;
  border:none !important;
  background:none !important;
  box-shadow:none !important;
  overflow-x:auto;
  overflow-y:hidden;
  max-width:100%;
  scrollbar-width:none;
}
html.device-desktop .pnav-links::-webkit-scrollbar{display:none}
html.device-desktop .pnav-links a{
  white-space:nowrap !important;
  flex:0 0 auto;
  padding:6px 11px;
  border-radius:7px;
  line-height:1.4;
}
html.device-desktop .pnav-links a.active{background:var(--black);color:#fff}
/* 紧凑化：品牌文字在偏窄桌面收起小字，给导航让位 */
html.device-desktop .pbrand span{white-space:nowrap}

/* ---------- 手动切到手机版：无论视口多宽都呈现移动布局 ----------
   真实手机上与下方 @media(max-width:900px) 表现一致，不破坏原有手机端；
   仅让桌面端 ?view=mobile / 页脚切换按钮产生可见效果。 */
html.device-mobile .pburger{display:block;margin-left:auto}
html.device-mobile .pnav-links{
  display:none;position:absolute;top:58px;left:0;right:0;background:#fff;
  border-bottom:1px solid var(--border);flex-direction:column;padding:8px 12px;gap:2px;
  box-shadow:0 14px 30px rgba(1,4,9,.12);
}
html.device-mobile .pnav-links.open{display:flex}
html.device-mobile .pnav-links a{padding:11px 12px;border-radius:8px;font-size:14px}
html.device-mobile .pnav-right{margin-left:0}
html.device-mobile .pnav-in{gap:10px}
html.device-mobile .pbrand small{display:none}

/* ---------- 深色页脚：入口图标 ---------- */
.pf-with-ico{display:flex;align-items:center;gap:7px}
.pf-ico{width:14px;height:14px;flex:0 0 14px;opacity:.72}
.pf-with-ico:hover .pf-ico{opacity:1;color:#fff}

/* ---------- 页脚底部：视图切换小控件 ---------- */
.pfb-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.pf-viewbtn{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.06);
  border:1px solid #2d333b;border-radius:7px;
  color:#9da7b3;font-size:12px;font-family:inherit;
  padding:4px 10px;cursor:pointer;white-space:nowrap;
  transition:color .15s,background .15s,border-color .15s;
}
.pf-viewbtn svg{width:14px;height:14px}
.pf-viewbtn:hover{color:#fff;background:rgba(255,255,255,.1);border-color:#444c56}
@media (max-width:520px){
  .pfb-row{flex-direction:column;align-items:flex-start}
}