/* ============================================================
   玄霖问易 · Xuanlin Q&A —— 明净学术风
   顶部导航（全平台统一），内容区自适应屏幕宽度。
   ============================================================ */
:root {
  --paper: #f7f3ea;
  --paper-2: #efe9dc;
  --paper-3: #e7dfcd;
  --ink: #2b2b2b;
  --muted: #6b6b66;
  --line: #d9d2c2;
  --cinnabar: #9e2a2b;
  --cinnabar-dark: #7f1f20;
  --cinnabar-soft: #f3e2e0;
  --ok: #3d7a4d;
  --layout-max: 1480px;
  --layout-gutter: clamp(14px, 2.2vw, 24px);
  --mobile-header-height: 56px;
  --font-ui: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  --font-reading: "Noto Serif SC", "Songti SC", "SimSun", Georgia, "Times New Roman", serif;
  --app-height: 100dvh;
}
* { box-sizing: border-box; }
/* 根治：任何元素的 hidden 属性必须生效（防止 display:flex 等显式声明覆盖） */
[hidden] { display: none !important; }
html { height: 100%; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  height: 100%; min-height: 100dvh;   /* 固定视口高度 → flex 收缩链正常工作；旧浏览器回退 100% */
  display: flex; flex-direction: column;
}
a { color: inherit; }
:focus-visible { outline: 2px solid var(--cinnabar); outline-offset: 2px; border-radius: 4px; }

/* ---------------- 顶部导航（全平台） ---------------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: var(--paper-2);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: var(--layout-max); margin: 0 auto;
  display: flex; align-items: center; gap: clamp(6px, 1.6vw, 20px);
  padding: clamp(8px, 1.4vh, 12px) var(--layout-gutter);
}
.brand { display: flex; align-items: center; gap: clamp(6px, 1vw, 10px); text-decoration: none; flex: 0 1 auto; min-width: 0; }
.brand-logo {
  width: clamp(30px, 4vw, 36px); height: clamp(30px, 4vw, 36px); border-radius: 9px; flex: none;
  background: var(--cinnabar); color: #fff; font-size: clamp(.95rem, 3vw, 1.15rem);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 8px rgba(158, 42, 43, .28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; flex: 0 1 auto; min-width: 0; }
.brand-name {
  font-family: var(--font-reading);
  font-weight: 700; font-size: clamp(.88rem, 2.6vw, 1rem); letter-spacing: 1px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;   /* 超窄屏自动省略 */
}
.brand-sub { font-size: .7rem; color: var(--muted); letter-spacing: .5px; white-space: nowrap; }

/* 导航链接（右侧对齐，flex:1 推开） */
.nav-links {
  display: flex; align-items: center; gap: 2px;
  font-size: clamp(.82rem, 2.2vw, .92rem); line-height: 1.2;
  flex-wrap: nowrap;
}
.nav-links a {
  color: var(--ink); text-decoration: none; padding: 7px clamp(6px, 1vw, 12px); border-radius: 8px;
  transition: background .15s, color .15s; flex-shrink: 1; white-space: nowrap;
}
.nav-links a:hover { background: #fff; color: var(--cinnabar); }
.nav-links a.active { background: var(--cinnabar); color: #fff; font-weight: 600; }
.nav-links a.active:hover { color: #fff; }

/* 顶栏右侧操作区（登录/退出 + 语言切换） */
.topbar-right { display: flex; align-items: center; gap: clamp(6px, 1.2vw, 14px); flex: 1 1 auto; justify-content: flex-end; min-width: 0; }
.topbar-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

/* 语言切换（单按钮 toggle） */
.lang-toggle {
  display: flex; align-items: center; gap: 0;
  border: 1px solid var(--line); border-radius: 16px; background: #fff;
  text-decoration: none; line-height: 1; flex-shrink: 0; overflow: hidden;
}
.lang-opt { padding: 3px 9px; font-size: .78rem; color: var(--muted); transition: all .15s; }
.lang-opt.active { background: var(--cinnabar); color: #fff; }
.lang-opt + .lang-opt { border-left: 1px solid var(--line); }

/* 会话按钮胶囊 */
.nav-btn {
  background: #fff; border: 1px solid var(--cinnabar); color: var(--cinnabar);
  font-size: .82rem; padding: 5px 14px; border-radius: 999px; cursor: pointer;
  font-weight: 600; transition: background .15s, color .15s;
  line-height: 1.2; flex-shrink: 0; white-space: nowrap;
}
.nav-btn:hover { background: var(--cinnabar); color: #fff; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-block; border: 0; border-radius: 9px; padding: 10px 24px;
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  text-align: center; transition: background .15s ease, transform .1s ease, box-shadow .15s ease;
  line-height: 1.3;                  /* 按钮单行文本，不用正文 1.7 行高 */
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--cinnabar); color: #fff; }
.btn-primary:hover { background: var(--cinnabar-dark); color: #fff; box-shadow: 0 3px 10px rgba(158, 42, 43, .3); }
.btn-primary:visited { color: #fff; }
.btn-ghost { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.btn-danger { background: #fff; color: var(--cinnabar); border: 1px solid var(--cinnabar); }
.btn-danger:hover { background: var(--cinnabar-soft); }
.btn-sm { padding: 6px 15px; font-size: .9rem; }
.btn-block { display: block; width: 100%; }

/* ---------------- 主区（弹性自适应：不依赖固定高度计算） ---------------- */
.wrap { max-width: var(--layout-max); margin: 0 auto; width: 100%; }
main {
  flex: 1; min-height: 0;                 /* 允许收缩——内容再多也不撑破视口 */
  display: flex; flex-direction: column;
  overflow-y: auto;                       /* 内容区自身滚动：footer 固定在视口底，不漂浮 */
  padding: clamp(14px, 3vh, 30px) var(--layout-gutter) clamp(20px, 4vh, 46px);
}
body:not(.chat-page) { height: auto; min-height: 100dvh; }
body:not(.chat-page) main { overflow: visible; }
/* 聊天页（首页）：紧凑布局——内容区贴近顶栏，输入区贴底 */
.chat-page main { overflow: hidden; padding: clamp(6px, 1.2vh, 10px) var(--layout-gutter) 8px; }
.chat-page .chat-list { padding-top: clamp(4px, 1vw, 8px); }
.site-footer .wrap { padding: 0 clamp(12px, 2.5vw, 20px); }
.site-footer { border-top: 1px solid var(--line); padding: 18px 0 28px; color: var(--muted); font-size: .88rem; }
.site-footer-inner {
  max-width: var(--layout-max); margin: 0 auto; padding: 0 var(--layout-gutter);
  display: flex; justify-content: center; align-items: center; gap: 16px; flex-wrap: wrap; text-align: center;
}
.site-footer .footer-links { display: flex; gap: 14px; }
.site-footer a { color: var(--muted); text-decoration: underline; text-underline-offset: 3px; }
.site-footer a:hover { color: var(--cinnabar); }

/* ---------------- 页面组件 ---------------- */
/* hidden 属性强制隐藏：防止 display:flex 等类样式覆盖导致关闭无效 */
[hidden] { display: none !important; }
.page { width: 100%; max-width: none; min-width: 0; }
.page h1 { font-size: 1.7rem; letter-spacing: 2px; border-bottom: 2px solid var(--cinnabar); padding-bottom: 8px; }
.page h2 { font-size: 1.2rem; margin-top: 30px; }
pre {
  background: #2b2b2b; color: #f0ead8; padding: 14px; border-radius: 8px;
  overflow-x: auto; font-size: .86rem; line-height: 1.6;
}
code { font-family: Consolas, "Courier New", monospace; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: .93rem; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
th { background: var(--paper-2); font-weight: 600; }
tr:nth-child(even) td { background: #fbf8f1; }
.cards { display: flex; gap: 16px; flex-wrap: wrap; margin: 16px 0; }
.card { flex: 1; min-width: 260px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; box-shadow: 0 2px 10px rgba(43,43,43,.05); }
.card h3 { margin: 0 0 6px; font-size: 1rem; color: var(--muted); }
.big { font-size: 1.7rem; margin: 4px 0; }
.muted { color: var(--muted); }
.ok { color: var(--ok); }
.key-cell { background: var(--paper-2); padding: 2px 8px; border-radius: 4px; font-size: .85rem; word-break: break-all; }
.copy-btn { margin-left: 8px; padding: 2px 10px; font-size: .78rem; border-radius: 6px; border: 1px solid var(--line); background: #fff; cursor: pointer; }
.copy-btn:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.topup, .inline-form { display: flex; gap: 8px; align-items: center; margin: 8px 0; flex-wrap: wrap; }
.topup input, .inline-form input, .translator select, .translator textarea,
.auth-form input, .auth-form textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px;
  font: inherit; background: #fffdf8; transition: border-color .15s;
}
.topup input:focus, .inline-form input:focus, .translator textarea:focus,
.auth-form input:focus, .auth-form textarea:focus { outline: none; border-color: var(--cinnabar); }
.auth-form { max-width: 460px; }
.auth-form label { display: block; margin: 12px 0; }
.auth-form input, .auth-form textarea { width: 100%; }
.translator { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.translator textarea { width: 100%; margin: 6px 0; }
.tr-actions { display: flex; gap: 10px; align-items: center; }
.pricing td:first-child { font-weight: 600; }
.pricing-list { margin: 10px 0 18px; padding-left: 22px; }
.pricing-list li { margin-bottom: 8px; line-height: 1.7; font-size: .92rem; }
.pricing-list a { color: var(--cinnabar); }

/* 充值档位 */
.topup-presets { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.topup-preset {
  border: 1px solid var(--line); background: #fff; border-radius: 10px;
  padding: 8px 18px; font: inherit; font-size: .95rem; cursor: pointer; transition: all .15s;
}
.topup-preset:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.topup-preset.active { border-color: var(--cinnabar); background: var(--cinnabar-soft); color: var(--cinnabar-dark); font-weight: 600; }

/* ---------------- 对话式问答界面（纯弹性：高度自动占满，宽度自适应） ---------------- */
.chat-shell {
  display: flex; flex-direction: column;
  flex: 1; min-height: 0;                /* 撑满 main 且允许收缩，任何屏幕自动适配 */
  width: 100%;
  max-width: none; margin: 0;              /* 与全站内容栏共享同一自适应宽度 */
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  box-shadow: 0 4px 28px rgba(43, 43, 43, .08);
  overflow: hidden;
}
.chat-list {
  flex: 1; min-height: 0; overflow-y: auto; padding: clamp(10px, 2vw, 20px) clamp(10px, 2vw, 18px) 12px;
  background: var(--paper);
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}
.msg { display: flex; margin-bottom: 16px; animation: msg-in .25s ease-out; }
@keyframes msg-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.msg-ai { align-items: flex-start; }
.msg-user { justify-content: flex-end; }
.msg-main { flex: 1 1 auto; min-width: 0; }   /* 气泡撑满会话区，左右边距一致无空白 */
.msg-head { font-size: .82rem; color: var(--muted); margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
/* 头像内嵌标题行（小圆），气泡贴左，左右边距对称无堆叠 */
.head-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 18px; height: 18px; border-radius: 50%; flex: none;
  background: var(--cinnabar); color: #fff; font-size: .7rem; font-weight: 700;
}
.domain-badge {
  font-size: .72rem; color: var(--cinnabar); border: 1px solid var(--cinnabar);
  border-radius: 10px; padding: 1px 8px; background: #fff;
}
.msg-body {
  font-family: var(--font-reading);
  padding: 12px 16px; border-radius: 12px; font-size: .97rem;
  line-height: 1.85; white-space: normal; word-break: break-word;
  max-width: 100%;
}
.msg-ai .msg-body { background: #fff; border: 1px solid var(--line); border-top-left-radius: 4px; box-shadow: 0 1px 4px rgba(43,43,43,.05); }
.msg-user .msg-body { background: var(--cinnabar); color: #fff; border-top-right-radius: 4px; }
.msg-error .msg-body { background: #f7e6e4; border: 1px solid #e8c9c4; color: var(--cinnabar); }
.msg-quota .msg-body { background: #fff8e8; border: 1px solid #ead8ac; color: #674e19; }
.quota-cta {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  margin-top: 8px; padding: 14px 16px; border: 1px solid #e2d3b2; border-radius: 13px;
  background: linear-gradient(135deg,#fffdf8,#f8efdc); box-shadow: 0 5px 18px rgba(91,68,34,.07);
}
.quota-cta strong { display: block; color: var(--ink); font-size: .9rem; }
.quota-cta p { margin: 4px 0 0; color: var(--muted); font-size: .76rem; line-height: 1.6; }
.quota-actions { flex: none; display: flex; align-items: center; gap: 8px; }
.quota-actions .btn { text-decoration: none; white-space: nowrap; }
.qa-disclaimer { margin: 8px 0 0; font-size: .78rem; color: var(--muted); }

.typing-status { display: inline-flex; align-items: center; gap: 10px; padding: 13px 16px; color: var(--muted); }
.typing-label { font-size: .84rem; letter-spacing: .01em; }
.typing-dots { display: inline-flex; gap: 4px; }
.typing-dots i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--cinnabar);
  opacity: .5; animation: blink 1.2s infinite; font-style: normal;
}
.typing-dots i:nth-child(2) { animation-delay: .2s; }
.typing-dots i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 100% { opacity: .25; transform: scale(.9); } 50% { opacity: .9; transform: scale(1.1); } }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip {
  border: 1px solid var(--line); background: #fff; color: var(--ink);
  border-radius: 16px; padding: 6px 14px; font-size: .85rem; cursor: pointer;
  transition: all .18s ease;
}
.chip:hover { border-color: var(--cinnabar); color: var(--cinnabar); transform: translateY(-1px); box-shadow: 0 2px 6px rgba(158,42,43,.12); }

.chat-input-bar {
  display: flex; align-items: flex-end; gap: 10px;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: #fff; border-top: 1px solid var(--line);
}
.chat-input-bar textarea {
  flex: 1; border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px; font: inherit; font-size: .97rem; line-height: 1.6;
  resize: none; max-height: 160px; overflow-y: hidden; background: #fffdf8;
  transition: border-color .15s, box-shadow .15s;
}
.chat-input-bar textarea:focus { outline: none; border-color: var(--cinnabar); box-shadow: 0 0 0 3px rgba(158,42,43,.12); }
.chat-input-bar .btn { flex: none; padding: 11px 26px; border-radius: 10px; }
.qa-remaining { font-size: .8rem; color: var(--muted); white-space: nowrap; align-self: center; }
.input-hint {
  flex: none; display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: 2px 6px; min-height: 34px; margin: 0; padding: 5px 44px 5px 12px;
  position: relative; font-size: .75rem; line-height: 1.45; color: var(--muted); text-align: center;
  background: rgba(255,255,255,.82);
}
.hint-primary, .hint-supported { min-width: 0; }
.hint-separator { color: var(--line); }
.hint-close {
  position: absolute; right: 5px; top: 50%; transform: translateY(-50%);
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; background: none; border: none; color: var(--muted); font-size: .76rem;
  cursor: pointer; padding: 0; border-radius: 9px; line-height: 1;
}
.hint-close:hover { background: rgba(43, 43, 43, .08); color: var(--cinnabar); }

/* 自定义确认层（国产浏览器兼容，替代原生 confirm） */
.dlg-overlay {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0, 0, 0, .45);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.dlg-box {
  background: #fff; border-radius: 14px; padding: 22px 24px;
  max-width: 300px; width: 100%; text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .22);
  animation: params-in .16s ease-out;
}
.dlg-msg { margin: 0 0 16px; font-size: .95rem; color: var(--ink); line-height: 1.5; }
.dlg-actions { display: flex; gap: 10px; justify-content: center; }
.dlg-actions .btn { flex: 1; }
.app-toast {
  position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%); z-index: 2200;
  background: rgba(43,43,43,.94); color: #fff; border-radius: 999px; padding: 9px 18px;
  font-size: .86rem; box-shadow: 0 5px 18px rgba(0,0,0,.22);
}
.mobile-menu-btn, .mobile-menu { display: none; }
.mobile-menu { border-top: 1px solid var(--line); padding: 8px 14px 12px; background: var(--paper); grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mobile-menu a { min-height: 44px; display: flex; align-items: center; justify-content: center; color: var(--ink); text-decoration: none; border-radius: 8px; }
.nav-logout-form { display:inline; margin:0; }
.mobile-menu a:focus, .mobile-menu a:hover { background: var(--cinnabar-soft); color: var(--cinnabar); }
.param-item input[type="checkbox"] { width: auto; margin: 0; accent-color: var(--cinnabar); }

/* 参数控件（检索深度 / 回答长度） */
.param-item {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .8rem; color: var(--ink); white-space: nowrap;
}
.param-item select {
  font-size: .8rem; padding: 4px 8px; border: 1px solid #cfc4ab; border-radius: 6px;
  background: #fff; color: var(--ink); cursor: pointer;
}
.param-item select:focus { outline: none; border-color: var(--cinnabar); }
.param-hint { font-size: .72rem; color: var(--muted); flex-basis: 100%; text-align: center; }
@media (max-width: 480px) {
  .param-hint { font-size: .66rem; }
}



/* ---------------- 移动端响应式 ---------------- */
/* ---------------- 显示策略断点（只隐藏次要元素，不做固定尺寸计算） ---------------- */
@media (max-width: 700px) {
  /* iOS 防自动缩放：输入类元素字号必须 ≥16px，否则 Safari 聚焦时放大页面 */
  input, textarea, select { font-size: 16px !important; }
  .brand-sub { display: none; }             /* 小屏隐藏副标题 */
  .site-footer { font-size: .72rem; }
  main { padding-bottom: 10px; }            /* 手机聊天区贴近屏幕底部 */
  .chat-list { padding: 12px 10px 8px; }
  .msg { margin-bottom: 12px; }
  .msg-body { font-size: .95rem; padding: 10px 13px; }
  .chat-input-bar { padding: 10px 10px calc(10px + env(safe-area-inset-bottom)); }
  .chip { font-size: .8rem; padding: 5px 11px; }
  .cards { flex-direction: column; }
  .card { min-width: 0; }
  .page h1 { font-size: 1.4rem; }
  .page h2 { font-size: 1.08rem; }
  table { font-size: .8rem; }
  th, td { padding: 6px 5px; word-break: break-all; }
  pre { font-size: .78rem; padding: 10px; }
  .topup, .inline-form { flex-direction: column; align-items: stretch; }
  .topup input, .inline-form input { width: 100%; }
  .translator select { flex: 1; }
  .tr-actions { flex-wrap: wrap; }
  .auth-form { max-width: 100%; }
}
@media (max-width: 480px) {
  /* 极窄屏：隐藏导航链接，保留会话按钮与右侧操作 */
  .nav-links { display: none; }
  .mobile-menu-btn { display: inline-flex; min-width: 44px; min-height: 44px; align-items:center; justify-content:center; border:0; background:transparent; color:var(--ink); font-size:1.25rem; }
  .nav-btn, .topbar-actions .btn, .lang-toggle { min-height: 44px; display:inline-flex; align-items:center; justify-content:center; }
  .site-footer .footer-links { gap: 4px 10px; justify-content:center; flex-wrap:wrap; }
  .site-footer .footer-links a { min-height: 44px; display:inline-flex; align-items:center; padding:0 3px; }
  .brand-name { display: none; }
  .brand { gap: 0; }
  .chat-input-bar .btn { padding: 10px 14px; }
  .input-hint { min-height: 34px; }
  .param-hint { display: none; }
  /* 参数面板手机端紧凑尺寸（单行规则在 .chat-params 基础定义处，勿重复声明） */
  .param-item { font-size: .72rem; gap: 4px; flex: 0 1 auto; min-width: 0; }
  .param-item select { max-width: 78px; padding: 3px 6px; font-size: .74rem; }
  .param-item input[type="checkbox"] { width: 14px; height: 14px; }
  .dash-grid { grid-template-columns: 1fr; }
  .auth-shell { margin-top: 3vh; }
}
@media (max-width: 360px) {
  /* 超小屏（320-360）：隐藏语言切换（次要功能），保证核心操作空间 */
  .lang-toggle { display: none; }
  .topbar-right .btn { padding: 5px 9px; font-size: .78rem; min-height:44px; }
  .param-item select { max-width: 66px; }
}

/* 登录过期提示条（toast：10 秒自动消失，可手动关闭） */
.session-expired-bar {
  position: sticky; top: 0; z-index: 55;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  background: #fdf3d7; border-bottom: 1px solid #e6d9a8; color: #6b5410;
  padding: 9px 16px; font-size: .88rem;
  animation: bar-in .25s ease-out;
}
@keyframes bar-in { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }
.session-expired-bar .btn { padding: 4px 14px; font-size: .8rem; }
.bar-close {
  background: none; border: none; color: #6b5410; font-size: .85rem;
  cursor: pointer; padding: 2px 6px; border-radius: 6px; line-height: 1;
}
.bar-close:hover { background: rgba(107, 84, 16, .12); }

/* ============ APP 风格组件（登录/注册/控制台） ============ */
/* 认证页 */
.auth-shell { max-width: 400px; margin: 5vh auto 4vh; padding: 0 20px; }
.auth-card {
  background: #fff; border: 1px solid var(--line); border-radius: 18px;
  padding: 30px 28px 24px; box-shadow: 0 8px 32px rgba(43,43,43,.08);
}
.auth-logo {
  width: 56px; height: 56px; border-radius: 15px; margin: 0 auto 14px;
  background: var(--cinnabar); color: #fff; font-size: 1.7rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(158,42,43,.3);
}
.auth-title { text-align: center; font-size: 1.25rem; font-weight: 700; letter-spacing: 2px; margin: 0 0 4px; }
.auth-sub { text-align: center; color: var(--muted); font-size: .85rem; margin: 0 0 18px; }
.auth-card label { display: block; margin: 13px 0; font-size: .84rem; color: var(--muted); }
.auth-card input {
  width: 100%; margin-top: 6px; padding: 12px 14px; font: inherit; font-size: .95rem;
  border: 1px solid var(--line); border-radius: 10px; background: #fffdf8;
  transition: border-color .15s, box-shadow .15s;
}
.auth-card input:focus { outline: none; border-color: var(--cinnabar); box-shadow: 0 0 0 3px rgba(158,42,43,.1); }
.auth-card .btn-block { margin-top: 20px; padding: 12px; border-radius: 10px; font-size: 1rem; }
.auth-alt { text-align: center; margin-top: 16px; font-size: .85rem; color: var(--muted); }
.auth-alt a { color: var(--cinnabar); font-weight: 600; text-decoration: none; }
.auth-err {
  background: var(--cinnabar-soft); color: var(--cinnabar-dark); border-radius: 10px;
  padding: 10px 14px; font-size: .85rem; margin: 0 0 6px;
}
.auth-label { display: block; margin: 13px 0; font-size: .84rem; color: var(--muted); }
.auth-label input {
  width: 100%; margin-top: 6px; padding: 12px 14px; font: inherit; font-size: .95rem;
  border: 1px solid var(--line); border-radius: 10px; background: #fffdf8;
  transition: border-color .15s, box-shadow .15s;
}
.auth-label input:focus { outline: none; border-color: var(--cinnabar); box-shadow: 0 0 0 3px rgba(158,42,43,.1); }
.auth-links { display: flex; justify-content: center; align-items: center; gap: 6px; margin-top: 14px; font-size: .84rem; }
.auth-link { color: var(--cinnabar); font-weight: 600; text-decoration: none; }
.auth-link:hover { text-decoration: underline; }
.auth-link-text { color: var(--muted); }
.auth-sep { color: var(--line); }
.auth-divider { display: flex; align-items: center; margin: 20px 0 16px; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.auth-divider span { padding: 0 14px; font-size: .8rem; color: var(--muted); }
.google-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; padding: 10px; border-radius: 10px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); font-size: .92rem; font-weight: 500;
  text-decoration: none; transition: background .15s, box-shadow .15s;
}
.google-btn:hover { background: #fafaf5; box-shadow: 0 2px 8px rgba(0,0,0,.06); }

/* 控制台卡片 */
.dash-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 16px; margin: 16px 0 8px; }
.dash-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  padding: 20px 22px; box-shadow: 0 3px 14px rgba(43,43,43,.05);
}
.dash-card h3 { margin: 0 0 10px; font-size: .86rem; color: var(--muted); letter-spacing: 1px; font-weight: 600; }
.dash-balance { font-size: 2.1rem; font-weight: 700; margin: 2px 0 4px; }
.dash-balance small { font-size: .8rem; color: var(--muted); font-weight: 400; }
.dash-stat { display: flex; justify-content: space-between; padding: 7px 0; font-size: .9rem; border-bottom: 1px dashed var(--line); }
.dash-stat:last-child { border-bottom: 0; }
.dash-stat b { font-weight: 600; }
.paid-badge {
  display: inline-block; background: var(--ok); color: #fff; font-size: .7rem;
  padding: 2px 10px; border-radius: 999px; margin-left: 8px; vertical-align: middle;
  letter-spacing: 1px;
}
.dash-section { margin-top: 30px; }
.dash-section > h2 { font-size: 1.05rem; letter-spacing: 1px; margin: 0 0 12px; display: flex; align-items: center; gap: 8px; }
.card-table { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.card-table table { margin: 0; min-width: 640px; }
.card-table th { background: var(--paper-2); font-size: .85rem; }
.card-table td, .card-table th { padding: 10px 12px; }
.key-cell { display: inline-block; max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: middle; }
.key-actions { display: flex; align-items: center; gap: 8px; }
/* 充值 */
.topup-presets { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 12px; }
.topup-preset {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 7px 18px; font: inherit; font-size: .9rem; cursor: pointer; transition: all .15s;
}
.topup-preset:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.topup-preset.active { border-color: var(--cinnabar); background: var(--cinnabar); color: #fff; font-weight: 600; }
.topup-form { display: flex; gap: 8px; margin-top: 4px; }
.topup-form input {
  flex: 1; min-width: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  font: inherit; font-size: .9rem; background: #fffdf8;
}
.topup-form input:focus { outline: none; border-color: var(--cinnabar); }
/* 控制台翻译器 */
.dash-translator { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; }
.dash-translator textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  font: inherit; font-size: .9rem; background: #fffdf8; margin: 6px 0; resize: vertical;
}
.dash-translator textarea:focus { outline: none; border-color: var(--cinnabar); }
.tr-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.tr-actions select {
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; font: inherit; font-size: .88rem; background: #fff;
}
.tr-target-label { font-size: .88rem; color: var(--muted); white-space: nowrap; }
.tr-swap { flex: none; width: 40px; padding: 8px 0; font-size: 1rem; color: var(--cinnabar); background: #fff; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.tr-swap:hover { border-color: var(--cinnabar); background: var(--cinnabar-soft); }

/* 个人中心：普通账户操作优先，开发者能力独立分组 */
.dashboard-page { max-width: 1180px; margin: 0 auto; }
.dashboard-page-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  padding: 2px 2px 4px;
}
.dashboard-page-head h1 { margin: 0; padding: 0; border: 0; }
.dashboard-user { display: flex; align-items: center; gap: 8px; margin: 7px 0 0; }
.dashboard-intro { max-width: 760px; margin: 8px 0 0; color: var(--muted); font-size: .9rem; }
.dashboard-admin-link { flex: none; }
.account-shortcuts {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px;
  margin: 18px 0 6px; padding: 7px; border: 1px solid var(--line); border-radius: 16px;
  background: rgba(255,255,255,.55); box-shadow: 0 2px 10px rgba(43,43,43,.035);
}
.account-shortcuts a {
  min-height: 44px; display: flex; align-items: center; justify-content: center;
  padding: 7px 10px; border-radius: 11px; color: var(--ink); text-decoration: none;
  font-size: .88rem; font-weight: 600; white-space: nowrap; transition: background .15s, color .15s;
}
.account-shortcuts a:hover, .account-shortcuts a:focus-visible { background: #fff; color: var(--cinnabar); }
.dashboard-page .dash-section { margin-top: 22px; scroll-margin-top: 78px; }
.dash-section-panel {
  padding: 20px; border: 1px solid rgba(217,210,194,.88); border-radius: 18px;
  background: rgba(255,255,255,.38);
}
.dash-section-heading {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 18px;
  margin-bottom: 14px;
}
.dash-section-heading h2 { margin: 0; font-size: 1.08rem; letter-spacing: .06em; }
.dash-section-heading p { margin: 5px 0 0; color: var(--muted); font-size: .84rem; }
.dashboard-page .dash-grid { margin: 0; }
.account-section-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.account-action-card h3 { color: var(--ink); font-size: .96rem; letter-spacing: .04em; }
.account-form, .api-key-create-form { display: flex; align-items: stretch; gap: 9px; }
.account-form input, .api-key-create-form input {
  flex: 1; min-width: 0; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 10px; background: #fffdf8; font: inherit; font-size: .9rem;
}
.account-form input:focus, .api-key-create-form input:focus { outline: none; border-color: var(--cinnabar); }
.account-action-card .account-form { display: grid; grid-template-columns: 1fr 1fr; }
.account-action-card .account-form .btn { grid-column: 1 / -1; min-height: 43px; }
.dash-current-email, .dash-card-note { margin: 6px 0 10px; color: var(--muted); font-size: .78rem; overflow-wrap: anywhere; }
.dash-fold-toggle {
  width: 100%; min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 0; border: 0; background: transparent; color: var(--ink); cursor: pointer;
  font: inherit; font-size: 1.04rem; font-weight: 700; text-align: left;
}
.dash-fold-toggle small {
  min-width: 30px; padding: 3px 9px; border-radius: 999px; background: var(--paper-2);
  color: var(--muted); font-size: .72rem; font-weight: 600; text-align: center;
}
.fold-arrow { display: inline-block; margin-right: 5px; color: var(--cinnabar); font-size: .7rem; transition: transform .18s; }
.dash-fold-toggle[aria-expanded="true"] .fold-arrow { transform: rotate(90deg); }
.usage-table { margin-top: 12px; }
.dashboard-pagination { display: flex; justify-content: center; gap: 5px; margin: 12px 0 0; }
.dashboard-pagination a, .dashboard-pagination strong {
  min-width: 32px; min-height: 32px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 8px; text-decoration: none; font-size: .82rem;
}
.dashboard-pagination strong { background: var(--cinnabar); border-color: var(--cinnabar); color: #fff; }
.dash-developer-section { border-color: rgba(158,42,43,.24); background: rgba(243,226,224,.28); }
.dash-developer-heading { align-items: center; }
.dash-developer-heading h2 { display: flex; align-items: center; gap: 8px; }
.optional-badge {
  padding: 3px 8px; border-radius: 999px; background: var(--cinnabar-soft);
  color: var(--cinnabar); font-size: .66rem; font-weight: 600; letter-spacing: 0;
}
.api-key-create-form { max-width: 560px; }
.api-key-list { display: grid; gap: 9px; margin-top: 14px; }
.api-key-card {
  padding: 13px 14px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.82);
}
.api-key-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 9px; }
.api-key-card-head strong { font-size: .9rem; }
.api-key-card-head span { color: var(--muted); font-size: .72rem; }
.api-key-card-actions { display: flex; align-items: center; gap: 8px; min-width: 0; }
.api-key-card-actions .key-cell { flex: 1; max-width: none; padding: 7px 9px; border-radius: 8px; background: var(--paper); }
.api-key-card-actions .copy-btn { min-height: 36px; margin-left: 0; }
.api-key-card-actions form { flex: none; }
.api-key-empty { margin: 0; padding: 18px; border: 1px dashed var(--line); border-radius: 12px; color: var(--muted); text-align: center; font-size: .84rem; }
.dashboard-page .dash-translator h3 { margin: 0 0 4px; font-size: .95rem; }
.dashboard-page .dash-translator > .muted { margin: 0 0 8px; }
.dashboard-page .danger-zone { border-color: rgba(158,42,43,.24); background: rgba(243,226,224,.2); }
.dashboard-page .danger-zone > h2 { margin: 0 0 8px; color: var(--cinnabar); font-size: 1rem; }

@media (max-width: 700px) {
  .dashboard-page-head { display: block; }
  .dashboard-page-head h1 { font-size: 1.45rem; }
  .dashboard-admin-link { margin-top: 12px; }
  .dashboard-intro { font-size: .82rem; line-height: 1.65; }
  .account-shortcuts { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 14px; }
  .account-shortcuts a { min-height: 46px; font-size: .86rem; }
  .dashboard-page .dash-section { margin-top: 16px; scroll-margin-top: 68px; }
  .dash-section-panel { padding: 14px; border-radius: 16px; }
  .dash-section-heading { display: block; margin-bottom: 12px; }
  .dash-section-heading h2 { font-size: 1rem; }
  .dash-section-heading p { line-height: 1.6; }
  .dashboard-page .dash-grid, .account-section-grid { grid-template-columns: 1fr; gap: 12px; }
  .dashboard-page .dash-card { padding: 16px; border-radius: 14px; }
  .dashboard-page .topup-form, .account-form, .api-key-create-form { flex-direction: column; }
  .dashboard-page .topup-form .btn, .account-form .btn, .api-key-create-form .btn { width: 100%; min-height: 46px; }
  .account-action-card .account-form { grid-template-columns: 1fr; }
  .account-action-card .account-form .btn { grid-column: auto; }
  .dash-developer-heading .btn { width: 100%; min-height: 44px; margin-top: 12px; }
  .api-key-create-form { max-width: none; }
  .api-key-card-head { align-items: flex-start; flex-direction: column; gap: 2px; }
  .api-key-card-actions { display: grid; grid-template-columns: 1fr auto; }
  .api-key-card-actions .key-cell { grid-column: 1 / -1; width: 100%; }
  .api-key-card-actions .copy-btn { min-height: 40px; }
  .api-key-card-actions form .btn { min-height: 40px; }
  .dashboard-page .dash-translator { padding: 14px; border-radius: 14px; }
  .dashboard-page .danger-zone .account-form { display: flex; }
}

/* PWA 安装引导条 */
.pwa-install-bar {
  position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%);
  z-index: 1000; max-width: min(92vw, 430px);
  display: flex; align-items: center; gap: 12px;
  background: #fff; border: 1px solid var(--line); border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, .16);
  padding: 12px 16px;
}
/* 引导条显示时给页面底部留出空间，不遮挡输入区（fixed 悬浮层本会盖住聊天输入条） */
body.pwa-bar-shown { padding-bottom: 78px; }
@media (max-width: 480px) {
  body.pwa-bar-shown { padding-bottom: 84px; }
}
.pwa-install-bar .pwa-logo {
  flex: none; width: 38px; height: 38px; border-radius: 9px;
  background: var(--cinnabar); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; font-weight: 600;
}
.pwa-install-bar .pwa-text { flex: 1; min-width: 0; }
.pwa-install-bar .pwa-title { display: block; font-weight: 600; font-size: .92rem; color: #2b2b2b; }
.pwa-install-bar .pwa-desc { display: block; font-size: .78rem; color: var(--muted); margin-top: 2px; line-height: 1.4; }
.pwa-install-bar .btn { flex: none; }
@media (max-width: 480px) {
  .pwa-install-bar { left: 8px; right: 8px; bottom: 8px; transform: none; max-width: none; }
}

/* FAQ 折叠 */
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 10px; overflow: hidden; }
.faq-item summary {
  cursor: pointer; padding: 14px 18px; font-weight: 600; font-size: .95rem; color: #2b2b2b;
  list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '＋'; color: var(--cinnabar); font-size: 1rem; flex: none; transition: transform .15s; }
.faq-item[open] summary::after { content: '－'; }
.faq-item .faq-body { padding: 0 18px 14px; font-size: .9rem; color: #3d3a34; line-height: 1.75; }
.faq-item .faq-body a { color: var(--cinnabar); }

/* 参数折叠 + 剩余次数 toast */
.param-toggle {
  flex: none; width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  color: var(--muted); font-size: 1.05rem; cursor: pointer;
  transition: all .15s;
}
.param-toggle:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.param-toggle[aria-expanded="true"] { border-color: var(--cinnabar); color: var(--cinnabar); background: var(--cinnabar-soft); }
.chat-params-wrap { margin-bottom: 2px; }   /* 参数面板紧贴输入框上方（2px 微隙） */
.chat-params {
  display: flex; flex-wrap: nowrap; align-items: center; justify-content: center;
  gap: 10px; padding: 8px 12px;           /* 面板自身内边距同步收紧 */
  overflow-x: auto; -webkit-overflow-scrolling: touch;   /* 单行不换行，超窄可横滑 */
  background: rgba(245, 240, 230, .6); border: 1px solid #e6ddc9; border-radius: 10px;
  animation: params-in .16s ease-out;
}
@keyframes params-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.qa-remaining {
  position: absolute; bottom: calc(100% + 10px); left: 50%; transform: translateX(-50%);
  background: rgba(43,43,43,.92); color: #f5f0e0; font-size: .78rem;
  padding: 7px 16px; border-radius: 999px; white-space: nowrap; z-index: 40;
  box-shadow: 0 4px 14px rgba(0,0,0,.18); pointer-events: none;
  animation: toast-in .2s ease-out;
}
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 6px); } to { opacity: 1; transform: translate(-50%, 0); } }
.chat-input-bar { position: relative; }

/* 会话记录抽屉 */
.convo-drawer { position: fixed; inset: 0; z-index: 60; }
.drawer-mask { position: absolute; inset: 0; background: rgba(30, 20, 10, .45); }
.drawer-panel {
  position: absolute; top: 0; left: 0; bottom: 0; width: 320px; max-width: 86vw;
  background: #faf6ee; border-right: 1px solid #e6ddc9;
  display: flex; flex-direction: column; box-shadow: 4px 0 24px rgba(0,0,0,.18);
  animation: drawer-in .18s ease-out;
}
@keyframes drawer-in { from { transform: translateX(-100%); } to { transform: translateX(0); } }
.drawer-head {
  display: flex; align-items: center; gap: 8px; padding: 14px 16px;
  border-bottom: 1px solid #e6ddc9;
}
.drawer-title { font-size: 1rem; font-weight: 700; color: var(--ink); flex: 1; }
.drawer-close { flex: none; }
.drawer-list { flex: 1; overflow-y: auto; padding: 10px; }
.drawer-empty { color: var(--muted); text-align: center; padding: 40px 0; font-size: .85rem; }
.convo-item {
  display: flex; align-items: center; gap: 6px; padding: 10px 10px;
  border-radius: 10px; cursor: pointer; transition: background .12s;
}
.convo-item:hover { background: #f0e8d8; }
.convo-item.active { background: #e9dfc9; }
.convo-item-main { flex: 1; min-width: 0; text-align:left; border:0; background:transparent; padding:0; color:inherit; cursor:pointer; }
.convo-title {
  display:block; font-size: .86rem; color: var(--ink); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.convo-meta { display:block; font-size: .72rem; color: var(--muted); margin-top: 2px; }
.convo-ops { display: flex; gap: 2px; opacity: 0; transition: opacity .12s; }
.convo-item:hover .convo-ops, .convo-item:focus-within .convo-ops { opacity: 1; }
/* 触屏设备无 hover，按钮始终可见 */
@media (hover: none), (max-width: 700px) {
  .convo-ops { opacity: 0.65; }
}
.op-btn {
  background: none; border: none; color: var(--muted); font-size: .9rem;
  cursor: pointer; padding: 4px 6px; border-radius: 6px; line-height: 1;
}
.msg-actions { display:flex; flex-wrap:wrap; align-items:center; gap:4px 6px; margin-top:6px; }
.msg-version-label { align-self:center; min-width:30px; text-align:center; font-size:.72rem; color:var(--muted); }
.msg-billing {
  margin-top: 7px;
  color: var(--muted);
  font-size: .78rem;
  line-height: 1.35;
}
.msg-sources { margin-top:8px; border:1px solid var(--line); border-radius:11px; background:rgba(255,255,255,.62); overflow:hidden; }
.msg-sources > summary { cursor:pointer; padding:9px 12px; color:#644c34; font-size:.8rem; font-weight:600; list-style-position:inside; }
.source-coverage { display:grid; gap:5px; padding:0 12px 9px; }
.source-coverage-row { padding:5px 8px; border-radius:7px; background:#f3eee4; color:#665746; font-size:.74rem; }
.source-coverage-row.direct { background:#e8f3e9; color:#2e6a3b; }
.source-coverage-row.mentioned { background:#fff4d9; color:#765b17; }
.source-coverage-row.missing { background:#f7e6e4; color:#8c3030; }
.source-list { display:grid; gap:7px; padding:0 12px 12px; }
.source-card { position:relative; padding:9px 10px; border:1px solid #e5dccd; border-radius:9px; background:#fffdf9; }
.source-card strong { display:block; padding-right:82px; color:var(--ink); font-size:.8rem; }
.source-match { position:absolute; top:8px; right:8px; padding:2px 6px; border-radius:999px; background:#eee7dc; color:#6d604f; font-size:.64rem; }
.source-match.direct { background:#e3f0e5; color:#2e6a3b; }
.source-match.mentioned { background:#fff0c8; color:#765b17; }
.source-section { margin-top:3px; color:#725f49; font-size:.72rem; }
.source-card p { margin:6px 0 0; color:var(--muted); font-size:.72rem; line-height:1.55; }
.msg-action { flex:0 0 auto; white-space:nowrap; border:0; background:transparent; color:var(--muted); padding:5px 8px; min-height:32px; cursor:pointer; border-radius:6px; }
.msg-action:hover, .msg-action:focus { background:var(--cinnabar-soft); color:var(--cinnabar); }
.msg-action:disabled { opacity:.38; cursor:default; background:transparent; color:var(--muted); }
.conversation-basis {
  width:min(100%, 860px); margin:0 auto 14px; padding:12px 14px;
  border:1px solid #dfd3bb; border-radius:12px; background:rgba(255,252,245,.92);
  box-shadow:0 3px 14px rgba(68,49,24,.05);
}
.conversation-basis-head { display:flex; align-items:center; gap:10px; color:var(--ink); }
.conversation-basis-head strong { font-size:.84rem; }
.conversation-basis-head span { margin-left:auto; font-size:.7rem; color:var(--muted); }
.conversation-basis-facts { display:flex; flex-wrap:wrap; gap:6px; margin-top:8px; }
.basis-chip { padding:4px 8px; border-radius:999px; background:#f2e9d8; color:#5e4932; font-size:.72rem; line-height:1.35; }
.conversation-basis-actions { display:flex; justify-content:flex-end; gap:4px; margin-top:4px; }
button, .btn, .nav-btn, .lang-toggle, .op-btn, .chip { touch-action: manipulation; }
@media (hover: none) {
  .op-btn, .bar-close, .hint-close { min-width:44px; min-height:44px; }
}
.op-btn:hover { background: rgba(158,42,43,.1); color: var(--cinnabar); }
.op-del:hover { color: #b00020; }
.drawer-foot { padding: 10px 16px; border-top: 1px solid #e6ddc9; }
.drawer-hint { font-size: .72rem; color: var(--muted); }
body.drawer-open { overflow: hidden; }

/* 滚动条 */
.chat-list::-webkit-scrollbar, .translator textarea::-webkit-scrollbar, pre::-webkit-scrollbar { width: 8px; height: 8px; }
.chat-list::-webkit-scrollbar-thumb, .translator textarea::-webkit-scrollbar-thumb, pre::-webkit-scrollbar-thumb {
  background: var(--line); border-radius: 4px;
}
.chat-list::-webkit-scrollbar-thumb:hover { background: var(--cinnabar); }
.chat-list::-webkit-scrollbar-track { background: transparent; }

/* ---------------- 响应式 ---------------- */
@media (max-width: 900px) {
  .topbar-right { margin-left: auto; }   /* 右侧区靠右（布局策略，非固定尺寸） */
}



@media (max-width: 380px) {
  .lang-switch a { padding: 2px 8px; }
}

/* ============================================================
   统一自适应版面 + 手机原生 App 交互层
   ============================================================ */
.mobile-menu-mask { display: none; }
.mobile-menu-form { margin: 0; display: contents; }
.mobile-menu-action {
  border: 0; background: transparent; color: var(--ink); font: inherit;
  width: 100%; cursor: pointer;
}
button, input, textarea, select { font-family: var(--font-ui); }
button, a, input, textarea, select { -webkit-tap-highlight-color: transparent; }
.chat-input-bar textarea { appearance: none; -webkit-appearance: none; }
.msg-user .msg-main { flex: 0 1 auto; max-width: min(82%, 760px); }

@media (max-width: 900px) {
  html { height: 100%; overscroll-behavior-y: none; }
  input, textarea, select { font-size: 16px !important; }

  /* 原生式顶栏：安全区 + 56px 可点击内容区 */
  .topbar {
    flex: none; position: sticky; top: 0;
    padding-top: env(safe-area-inset-top);
    background: rgba(247, 243, 234, .96);
    -webkit-backdrop-filter: saturate(150%) blur(14px);
    backdrop-filter: saturate(150%) blur(14px);
    border-bottom-color: rgba(199, 188, 168, .72);
    box-shadow: 0 1px 8px rgba(58, 44, 27, .035);
  }
  .topbar-inner {
    height: var(--mobile-header-height); min-height: var(--mobile-header-height);
    padding: 6px max(14px, env(safe-area-inset-right)) 6px max(14px, env(safe-area-inset-left));
    gap: 10px;
  }
  .brand {
    flex: 0 1 auto; min-width: 0; gap: 9px;
    border-radius: 12px;
  }
  .brand-logo {
    width: 38px; height: 38px; border-radius: 11px; font-size: 1.05rem;
    box-shadow: 0 3px 10px rgba(127,31,32,.2), inset 0 0 0 1px rgba(255,255,255,.16);
  }
  .brand-name {
    line-height: 1.1; letter-spacing: .08em;
  }
  .brand-sub { display: none; }
  .nav-links, .topbar-actions { display: none; }
  .topbar-right { display: none; }
  .nav-btn {
    min-width: 60px; min-height: 40px; padding: 0 14px; border-radius: 14px;
    background: rgba(255,255,255,.76); font-size: .88rem;
    box-shadow: 0 1px 3px rgba(57,42,25,.04);
  }
  .lang-toggle { min-height: 40px; margin-left: auto; border-radius: 13px; }
  .lang-opt { padding: 6px 9px; }
  .mobile-menu-btn {
    display: inline-flex; flex: none; width: 44px; height: 44px; min-width: 44px;
    margin-left: 0;
    align-items: center; justify-content: center; border: 0; border-radius: 13px;
    background: rgba(255,255,255,.5); color: var(--ink); line-height: 1;
    box-shadow: inset 0 0 0 1px rgba(199,188,168,.42);
    transition: color .16s ease, background .16s ease, transform .12s ease;
  }
  .mobile-menu-btn:active { transform: scale(.96); }
  .mobile-menu-icon {
    width: 20px; height: 16px; display: flex; flex-direction: column;
    justify-content: space-between; pointer-events: none;
  }
  .mobile-menu-icon > span {
    display: block; width: 20px; height: 2px; border-radius: 999px;
    background: currentColor; transform-origin: center;
    transition: transform .18s ease, opacity .14s ease;
  }
  .mobile-menu-btn[aria-expanded="true"] { background: rgba(255,255,255,.9); color: var(--cinnabar); }
  .mobile-menu-btn[aria-expanded="true"] .mobile-menu-icon > span:first-child { transform: translateY(7px) rotate(45deg); }
  .mobile-menu-btn[aria-expanded="true"] .mobile-menu-icon > span:nth-child(2) { opacity: 0; transform: scaleX(.35); }
  .mobile-menu-btn[aria-expanded="true"] .mobile-menu-icon > span:last-child { transform: translateY(-7px) rotate(-45deg); }
  .mobile-menu-mask:not([hidden]) {
    display: block; position: fixed;
    inset: calc(var(--mobile-header-height) + env(safe-area-inset-top)) 0 0;
    z-index: 51; background: rgba(35, 28, 20, .28);
    -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  }
  .mobile-menu:not([hidden]) {
    position: fixed; display: grid;
    top: calc(var(--mobile-header-height) + env(safe-area-inset-top) + 8px);
    right: 10px; z-index: 52; width: min(350px, calc(100vw - 20px));
    grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px;
    padding: 10px; border: 1px solid rgba(217,210,194,.9); border-radius: 18px;
    background: rgba(250,247,240,.98); box-shadow: 0 16px 48px rgba(35,28,20,.2);
    animation: mobile-menu-in .16s ease-out;
  }
  @keyframes mobile-menu-in {
    from { opacity: 0; transform: translateY(-8px) scale(.98); }
    to { opacity: 1; transform: none; }
  }
  .mobile-menu a, .mobile-menu-action {
    min-height: 48px; display: flex; align-items: center; justify-content: center;
    padding: 8px 10px; border-radius: 12px; text-decoration: none;
    background: rgba(255,255,255,.72); font-size: .92rem; white-space: nowrap;
  }
  .mobile-menu a.active, .mobile-menu a.primary {
    background: var(--cinnabar); color: #fff; font-weight: 600;
  }
  .mobile-menu-action { border: 1px solid var(--line); color: var(--cinnabar); }
  body.menu-open { overflow: hidden; }

  /* 普通栏目走浏览器自然滚动，不再在内容栏内部出现第二根滚动条 */
  body:not(.chat-page) { min-height: 100dvh; overscroll-behavior-y: auto; }
  body:not(.chat-page) main { padding: 20px 14px 34px; }
  .page h1 { overflow-wrap: anywhere; line-height: 1.35; margin-top: 4px; }
  .page h2 { line-height: 1.4; }
  .dash-card, .dash-translator { border-radius: 15px; padding: 17px 16px; }
  .dash-section { margin-top: 24px; }
  .topup-form .btn { min-height: 48px; }
  .site-footer {
    padding: 18px 0 calc(20px + env(safe-area-inset-bottom));
    font-size: .76rem;
  }

  /* 聊天首页是单屏 App：顶栏、消息流、底部输入栏 */
  body.chat-page {
    width: 100%; height: var(--app-height, 100dvh); min-height: 0;
    overflow: hidden; overscroll-behavior: none;
  }
  .chat-page main.wrap {
    flex: 1; min-height: 0; width: 100%; max-width: none;
    padding: 0; overflow: hidden;
  }
  .chat-page .chat-shell {
    width: 100%; height: 100%; min-height: 0;
    border: 0; border-radius: 0; box-shadow: none; background: var(--paper);
  }
  .chat-page .site-footer { display: none; }
  .chat-list {
    min-height: 0; padding: 12px 12px 10px;
    overscroll-behavior: contain; scroll-padding-bottom: 16px;
  }
  .chat-list::-webkit-scrollbar { display: none; }
  .msg { margin-bottom: 14px; }
  .msg-head { margin: 0 2px 5px; font-size: .78rem; }
  .head-avatar { width: 20px; height: 20px; }
  .msg-body {
    padding: 12px 14px; border-radius: 16px; font-size: 1rem;
    line-height: 1.78; box-shadow: none;
  }
  .msg-ai .msg-body { border-top-left-radius: 6px; }
  .msg-user .msg-main { max-width: 88%; }
  .msg-user .msg-body { border-top-right-radius: 6px; }
  .msg-actions { gap: 2px 4px; margin-top: 4px; }
  .msg-action { min-width: 44px; min-height: 40px; padding: 5px 6px; font-size: .82rem; }
  .chips {
    flex-wrap: nowrap; gap: 8px; margin: 10px -2px 0;
    padding: 0 2px 4px; overflow-x: auto; overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch; scrollbar-width: none;
  }
  .chips::-webkit-scrollbar { display: none; }
  .chip { flex: none; min-height: 40px; padding: 7px 13px; border-radius: 14px; font-size: .86rem; }
  .input-hint {
    display: flex; min-height: 44px; padding: 5px 48px 5px 12px;
    border-top: 1px solid rgba(217,210,194,.72); font-size: .72rem;
  }
  .hint-close { right: 2px; width: 44px; height: 44px; }
  .chat-params-wrap { flex: none; position: relative; z-index: 8; height: auto; margin: 0; }
  .chat-params {
    position: static; margin: 8px 8px 4px;
    display: flex; flex-wrap: wrap; justify-content: flex-start;
    gap: 10px 12px; padding: 12px;
    max-height: min(42dvh, 220px); overflow-y: auto; overscroll-behavior: contain;
    border-radius: 16px; background: rgba(255,253,248,.98);
    box-shadow: 0 6px 24px rgba(35,28,20,.14);
  }
  .param-item { min-height: 40px; font-size: .82rem; }
  .param-item select { max-width: none; min-height: 40px; padding: 6px 8px; border-radius: 10px; }
  .param-item input[type="checkbox"] { width: 20px; height: 20px; }
  .param-hint { display: none; }
  .chat-input-bar {
    flex: none; z-index: 9; align-items: flex-end; gap: 8px;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    border-top: 1px solid rgba(217,210,194,.9);
    background: rgba(255,255,255,.96);
    -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px);
    box-shadow: 0 -5px 18px rgba(43,43,43,.04);
  }
  .chat-input-bar textarea {
    min-height: 48px; max-height: 120px; margin: 0;
    padding: 11px 13px; border-radius: 15px; line-height: 1.5;
    background: #fffdf8;
  }
  .chat-input-bar .param-toggle {
    width: 48px; height: 48px; min-width: 48px; border-radius: 14px;
  }
  .chat-input-bar .btn {
    min-width: 62px; height: 48px; min-height: 48px;
    padding: 0 15px; border-radius: 14px; font-size: 1rem;
  }
  .qa-remaining { bottom: calc(100% + 8px); }
  .chat-page .app-toast { bottom: calc(76px + env(safe-area-inset-bottom)); }
  .chat-page.pwa-bar-shown { padding-bottom: 0; }
  .chat-page .pwa-install-bar { bottom: calc(76px + env(safe-area-inset-bottom)); }
  .chat-page.keyboard-open .input-hint { display: none; }

  /* 会话记录在手机上采用带安全区的原生侧滑面板 */
  .drawer-panel {
    width: min(360px, 92vw); max-width: none;
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .drawer-head { min-height: 58px; padding: 9px 12px; }
  .drawer-list { overscroll-behavior: contain; }
  .convo-item { min-height: 54px; padding: 9px 8px; }

  /* 自定义确认层在手机上表现为系统底部操作面板 */
  .dlg-overlay { align-items: flex-end; padding: 12px 12px calc(12px + env(safe-area-inset-bottom)); }
  .dlg-box { max-width: 520px; border-radius: 20px; padding: 22px 18px 16px; }
  .dlg-actions .btn { min-height: 48px; }
}

@media (max-width: 480px) {
  .brand { gap: 9px; }
  .lang-toggle { margin-left: auto; }
  .dash-balance { font-size: 1.8rem; }
  .topup-presets { display: grid; grid-template-columns: repeat(4, 1fr); }
  .topup-preset { min-width: 0; padding: 8px 4px; }
  .input-hint { min-height: 44px; padding-top: 4px; padding-bottom: 4px; }
  .hint-supported, .hint-separator { display: none; }
  .chat-params { gap: 8px 10px; padding: 10px; }
  .param-item { flex: 1 1 100%; justify-content: space-between; }
  .param-item select { width: min(66%, 220px); min-width: 0; }
}

@media (max-width: 360px) {
  .lang-toggle { display: none; }
  .nav-btn { margin-left: 0; min-width: 56px; padding: 0 11px; }
  .chat-input-bar { padding-left: 8px; padding-right: 8px; gap: 6px; }
  .chat-input-bar .param-toggle { width: 46px; min-width: 46px; }
  .chat-input-bar .btn { min-width: 58px; padding: 0 11px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

@media (min-width: 901px) {
  html { scrollbar-gutter: stable; }
}

/* ============================================================
   运营管理中心
   ============================================================ */
.admin-page { --admin-surface: rgba(255,255,255,.82); padding-bottom: 24px; }
.admin-page-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  margin: 2px 0 16px;
}
.admin-page .admin-page-head h1 {
  border: 0; margin: 0; padding: 0; font-size: clamp(1.55rem, 2.3vw, 2rem);
  line-height: 1.3; letter-spacing: 1px;
}
.admin-page-head p { margin: 5px 0 0; color: var(--muted); font-size: .9rem; }
.admin-eyebrow {
  margin: 0 0 2px !important; color: var(--cinnabar) !important;
  font-size: .72rem !important; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
}
.admin-count-chip {
  flex: none; display: inline-flex; align-items: center; min-height: 36px;
  padding: 5px 12px; border: 1px solid var(--line); border-radius: 999px;
  background: rgba(255,255,255,.72); color: var(--muted); font-size: .8rem;
}
.admin-nav {
  display: flex; gap: 6px; margin: 0 0 18px; padding: 5px;
  overflow-x: auto; scrollbar-width: none; border: 1px solid var(--line);
  border-radius: 13px; background: rgba(239,233,220,.72);
}
.admin-nav::-webkit-scrollbar { display: none; }
.admin-nav a {
  flex: 0 0 auto; min-height: 38px; display: inline-flex; align-items: center;
  padding: 6px 14px; border-radius: 9px; color: var(--ink); text-decoration: none;
  white-space: nowrap; font-size: .84rem; font-weight: 600;
}
.admin-nav a:hover { background: rgba(255,255,255,.86); color: var(--cinnabar); }
.admin-nav a.active { background: var(--cinnabar); color: #fff; box-shadow: 0 2px 8px rgba(158,42,43,.22); }
.admin-notice, .admin-callout {
  margin: 10px 0 16px; padding: 11px 14px; border: 1px solid var(--line);
  border-radius: 11px; background: #fff; font-size: .84rem; line-height: 1.65;
}
.admin-notice.success, .admin-callout.success { border-color: #a9cbb0; background: #f0f8f1; color: #285f36; }
.admin-notice.error, .admin-callout.error { border-color: #ddb0ad; background: #fff3f1; color: #8c2425; }
.admin-notice.warning, .admin-callout.warning { border-color: #dfca90; background: #fff9e8; color: #705616; }
.admin-notice.info, .admin-callout.info { border-color: #b7c9d8; background: #f2f7fb; color: #315873; }
.admin-section-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 16px;
  margin: 24px 0 10px;
}
.admin-section-head.compact { margin: 0 0 12px; align-items: center; }
.admin-section-head h2, .admin-page .admin-section-head h2 {
  margin: 0; font-size: 1.02rem; line-height: 1.35;
}
.admin-section-head p { margin: 3px 0 0; color: var(--muted); font-size: .76rem; }
.admin-health-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px;
}
.admin-health-card {
  min-width: 0; display: flex; align-items: center; gap: 11px;
  padding: 13px 14px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--admin-surface); box-shadow: 0 2px 12px rgba(43,43,43,.035);
}
.admin-health-card > div { min-width: 0; }
.admin-health-card strong, .admin-health-card span { display: block; }
.admin-health-card strong { font-size: .84rem; }
.admin-health-card span { margin-top: 2px; color: var(--muted); font-size: .7rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-status-dot { flex: none; width: 10px; height: 10px; border-radius: 50%; background: #b7aea0; box-shadow: 0 0 0 4px rgba(183,174,160,.16); }
.admin-health-card.healthy .admin-status-dot, .admin-status-dot.ready { background: #3d8a55; box-shadow: 0 0 0 4px rgba(61,138,85,.13); }
.admin-health-card.unhealthy .admin-status-dot, .admin-status-dot.missing { background: #b72d2e; box-shadow: 0 0 0 4px rgba(183,45,46,.12); }
.admin-stat-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 11px;
}
.admin-stat-grid.compact-grid { margin: 16px 0; }
.admin-stat-card {
  min-width: 0; min-height: 124px; display: flex; flex-direction: column; justify-content: center;
  padding: 16px; border: 1px solid var(--line); border-radius: 13px;
  background: var(--admin-surface); box-shadow: 0 2px 14px rgba(43,43,43,.035);
}
.admin-stat-card > span { color: var(--muted); font-size: .76rem; }
.admin-stat-card > strong { margin: 3px 0; color: var(--cinnabar); font: 700 clamp(1.35rem,2.2vw,1.8rem)/1.25 var(--font-ui); }
.admin-stat-card > strong.compact { color: var(--ink); font-size: .93rem; overflow-wrap: anywhere; }
.admin-stat-card > small { color: var(--muted); font-size: .7rem; line-height: 1.45; }
.admin-two-column { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 18px 0; }
.admin-panel {
  min-width: 0; padding: 17px; border: 1px solid var(--line); border-radius: 14px;
  background: var(--admin-surface); box-shadow: 0 2px 14px rgba(43,43,43,.035);
}
.admin-check-list { display: grid; gap: 4px; }
.admin-check-list > div {
  min-height: 39px; display: grid; grid-template-columns: 13px minmax(0,1fr) auto;
  align-items: center; gap: 9px; padding: 7px 0; border-bottom: 1px dashed var(--line);
}
.admin-check-list > div:last-child { border-bottom: 0; }
.admin-check-list strong { font-size: .8rem; }
.admin-check-list span:last-child { color: var(--muted); font-size: .72rem; }
.admin-field-help { margin: 8px 0 0; color: var(--muted); font-size: .74rem; line-height: 1.6; }
.admin-definition-list { margin: 0; }
.admin-definition-list > div { display: flex; justify-content: space-between; gap: 15px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.admin-definition-list dt { color: var(--muted); font-size: .78rem; }
.admin-definition-list dd { margin: 0; font-size: .82rem; font-weight: 600; text-align: right; }
.admin-inline-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 13px; }
.admin-inline-actions form { margin: 0; }
.admin-command-list { display: grid; gap: 9px; }
.admin-command-card { border: 1px solid var(--line); border-radius: 13px; background: var(--admin-surface); overflow: hidden; }
.admin-command-card > summary {
  min-height: 54px; display: flex; align-items: center; justify-content: space-between;
  padding: 10px 15px; cursor: pointer; list-style: none;
}
.admin-command-card > summary::-webkit-details-marker { display: none; }
.admin-command-card > summary::after { content: '＋'; color: var(--cinnabar); font-size: 1.15rem; }
.admin-command-card[open] > summary::after { content: '－'; }
.admin-command-card summary strong, .admin-command-card summary small { display: block; }
.admin-command-card summary strong { font-size: .86rem; }
.admin-command-card summary small { margin-top: 2px; color: var(--muted); font-size: .7rem; font-weight: 400; }
.admin-command-body { padding: 0 14px 14px; }
.admin-command-body > p { margin: 7px 0 0; color: var(--muted); font-size: .74rem; }
.admin-command-row {
  display: flex; align-items: stretch; gap: 8px; margin-top: 8px;
}
.admin-command-row code {
  flex: 1; min-width: 0; display: block; padding: 10px 12px; overflow-x: auto;
  border-radius: 9px; background: #272522; color: #f4ead7; font-size: .72rem;
  line-height: 1.55; white-space: pre; user-select: all;
}
.copy-command {
  flex: none; min-width: 58px; border: 1px solid var(--line); border-radius: 9px;
  background: #fff; color: var(--cinnabar); font-size: .74rem; cursor: pointer;
}
.admin-filter-panel, .admin-editor-card {
  margin: 12px 0 16px; border: 1px solid var(--line); border-radius: 13px;
  background: var(--admin-surface); overflow: hidden;
}
.admin-filter-panel > summary, .admin-editor-card > summary {
  min-height: 48px; display: flex; align-items: center; justify-content: space-between;
  padding: 9px 14px; cursor: pointer; font-weight: 700; font-size: .84rem; list-style: none;
}
.admin-filter-panel > summary::-webkit-details-marker, .admin-editor-card > summary::-webkit-details-marker { display: none; }
.admin-filter-panel > summary::after, .admin-editor-card > summary::after { content: '⌄'; color: var(--cinnabar); }
.admin-filter-panel[open] > summary::after, .admin-editor-card[open] > summary::after { transform: rotate(180deg); }
.admin-editor-card summary strong, .admin-editor-card summary small { display: block; }
.admin-editor-card summary small { color: var(--muted); font-size: .7rem; font-weight: 400; }
.admin-toolbar {
  display: flex; align-items: flex-end; flex-wrap: wrap; gap: 9px;
  padding: 0 14px 14px;
}
.admin-toolbar label { min-width: 120px; display: grid; gap: 3px; }
.admin-toolbar label.grow { flex: 1; min-width: 220px; }
.admin-toolbar label > span, .admin-stacked-form label > span, .admin-config-control label > span { color: var(--muted); font-size: .7rem; }
.admin-toolbar input, .admin-toolbar select, .admin-search-row input,
.admin-stacked-form input, .admin-stacked-form textarea, .admin-stacked-form select,
.admin-config-control input, .admin-inline-form input {
  width: 100%; min-height: 40px; padding: 7px 10px; border: 1px solid var(--line);
  border-radius: 9px; background: #fffdf8; color: var(--ink); font: inherit; font-size: .82rem;
}
.admin-stacked-form textarea { min-height: 78px; resize: vertical; line-height: 1.55; }
.admin-toolbar input:focus, .admin-toolbar select:focus, .admin-search-row input:focus,
.admin-stacked-form input:focus, .admin-stacked-form textarea:focus, .admin-stacked-form select:focus,
.admin-config-control input:focus, .admin-inline-form input:focus { outline: 2px solid rgba(158,42,43,.14); border-color: var(--cinnabar); }
.admin-toolbar-actions { display: flex; gap: 7px; }
.admin-toolbar-actions .btn { min-height: 40px; }
.admin-bulk-bar {
  display: grid; grid-template-columns: minmax(220px,1fr) auto; align-items: center; gap: 12px;
  margin: 14px 0 10px; padding: 12px 14px; border: 1px solid #d9c9ae; border-radius: 13px;
  background: linear-gradient(135deg,rgba(255,253,248,.94),rgba(247,239,223,.88)); box-shadow: 0 2px 12px rgba(70,52,35,.04);
}
.admin-bulk-copy strong, .admin-bulk-copy span, .admin-bulk-copy small { display: block; }
.admin-bulk-copy strong { font-size: .86rem; }
.admin-bulk-copy span { margin-top: 2px; color: var(--muted); font-size: .7rem; line-height: 1.5; }
.admin-bulk-copy small { margin-top: 3px; color: #735d2b; font-size: .66rem; line-height: 1.5; }
.admin-bulk-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 6px; }
.admin-bulk-actions output { margin-right: 3px; color: var(--cinnabar); font-size: .72rem; font-weight: 700; white-space: nowrap; }
.admin-bulk-feedback { grid-column: 1 / -1; color: var(--cinnabar); font-size: .72rem; font-weight: 600; }
.admin-table-wrap {
  overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line);
  border-radius: 13px; background: rgba(255,255,255,.78);
}
.admin-data-table { margin: 0; min-width: 820px; border-collapse: separate; border-spacing: 0; font-size: .78rem; }
.admin-data-table th, .admin-data-table td { padding: 10px 11px; border: 0; border-bottom: 1px solid var(--line); vertical-align: middle; }
.admin-data-table th { position: sticky; top: 0; z-index: 1; background: var(--paper-2); color: var(--muted); font-size: .7rem; white-space: nowrap; }
.admin-data-table tr:last-child td { border-bottom: 0; }
.admin-data-table tbody tr:hover td { background: rgba(255,255,255,.72); }
.admin-data-table tbody tr.selected td { background: #fff7e5; }
.admin-select-cell { width: 42px; text-align: center; }
.admin-select-cell input { width: 18px; height: 18px; margin: 0; accent-color: var(--cinnabar); cursor: pointer; }
.admin-select-cell input:disabled { cursor: not-allowed; opacity: .35; }
.admin-cell-sub { display: block; margin-top: 2px; color: var(--muted); font-size: .66rem; overflow-wrap: anywhere; }
.admin-badge {
  display: inline-flex; align-items: center; width: fit-content; margin: 2px 3px 2px 0;
  padding: 2px 7px; border-radius: 999px; background: #e9e3d6; color: #655d51;
  font-size: .65rem; font-weight: 700; line-height: 1.45;
}
.admin-badge.active, .admin-badge.kind-paid, .admin-badge.claim-resolved { background: #e5f3e8; color: #2d6c3c; }
.admin-badge.banned, .admin-badge.kind-api, .admin-badge.claim-rejected { background: #f8e4e2; color: #99292a; }
.admin-badge.role, .admin-badge.audit { background: var(--cinnabar-soft); color: var(--cinnabar); }
.admin-badge.draft, .admin-badge.kind-free, .admin-badge.claim-pending { background: #f4edd8; color: #725916; }
.admin-badge.kind-free_fallback, .admin-badge.claim-processing { background: #e5edf7; color: #315a83; }
.admin-row-actions { display: flex; flex-wrap: wrap; gap: 5px; min-width: 250px; }
.admin-row-actions form { display: inline-flex; margin: 0; }
.admin-row-actions .btn { min-height: 32px; }
.admin-query-cell { max-width: 340px; line-height: 1.55; overflow-wrap: anywhere; }
.admin-empty { padding: 28px !important; color: var(--muted); text-align: center; }
.admin-pagination { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 5px; margin: 16px 0 4px; }
.admin-pagination a, .admin-pagination strong, .admin-pagination .ellipsis {
  min-width: 36px; min-height: 36px; display: inline-flex; align-items: center; justify-content: center;
  padding: 4px 9px; border: 1px solid var(--line); border-radius: 9px;
  background: rgba(255,255,255,.74); color: var(--ink); text-decoration: none; font-size: .78rem;
}
.admin-pagination strong { border-color: var(--cinnabar); background: var(--cinnabar); color: #fff; }
.admin-pagination .ellipsis { border-color: transparent; background: transparent; }
.admin-stacked-form { display: grid; gap: 11px; }
.admin-stacked-form label { display: grid; gap: 4px; }
.admin-form-grid { display: flex; align-items: flex-end; gap: 12px; }
.admin-form-grid > label { flex: 1; }
.admin-form-grid > label.grow { flex: 2; }
.admin-form-grid .small-field { flex: 0 1 150px; }
.admin-switch-field { min-height: 40px; display: inline-flex !important; grid-template-columns: auto 1fr; align-items: center; gap: 8px !important; }
.admin-switch-field input { width: 20px; min-height: 20px; accent-color: var(--cinnabar); }
.admin-language-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.admin-language-grid fieldset { min-width: 0; margin: 0; padding: 13px; border: 1px solid var(--line); border-radius: 11px; }
.admin-language-grid legend { padding: 0 5px; font-size: .8rem; font-weight: 700; }
.admin-language-grid legend em { color: var(--cinnabar); font-size: .65rem; font-style: normal; }
.admin-editor-body { padding: 2px 14px 15px; }
.admin-content-list { display: grid; gap: 10px; }
.admin-content-card {
  min-width: 0; padding: 15px; border: 1px solid var(--line); border-radius: 13px;
  background: var(--admin-surface); box-shadow: 0 2px 12px rgba(43,43,43,.025);
}
.admin-content-card > header { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.admin-content-card h3 { display: inline; margin: 0 0 0 5px; font-size: .92rem; line-height: 1.45; }
.admin-content-card > p { margin: 8px 0; color: var(--muted); font-size: .8rem; line-height: 1.7; }
.admin-order { color: var(--muted); font-size: .68rem; }
.admin-card-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 8px 0 0; }
.admin-card-meta > div { display: flex; gap: 5px; font-size: .68rem; }
.admin-card-meta dt { color: var(--muted); }
.admin-card-meta dd { margin: 0; }
.admin-inline-editor { position: relative; margin: 14px -15px -15px; padding: 15px; border-top: 1px solid var(--line); background: rgba(247,243,234,.58); }
.admin-delete-row { position: absolute; right: 15px; bottom: 15px; }
.admin-empty-state { padding: 35px 18px; border: 1px dashed var(--line); border-radius: 13px; text-align: center; color: var(--muted); }
.admin-empty-state strong { color: var(--ink); }
.admin-empty-state p { margin: 5px 0 0; font-size: .78rem; }
.admin-divider { margin: 20px 0; border: 0; border-top: 1px solid var(--line); }
.modal-overlay.admin-modal {
  position: fixed; inset: 0; z-index: 100; display: none; align-items: center; justify-content: center;
  padding: 20px; background: rgba(30,26,21,.46); backdrop-filter: blur(4px);
}
.modal-overlay.admin-modal.show { display: flex; }
.admin-modal-sheet {
  width: min(560px,100%); max-height: min(780px,calc(100dvh - 40px)); padding: 0;
  overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fffdf8;
  box-shadow: 0 24px 80px rgba(30,26,21,.28);
}
.admin-modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 16px 18px 12px; border-bottom: 1px solid var(--line); }
.admin-modal-head h2 { margin: 0; font-size: 1.1rem; }
.admin-icon-button { width: 42px; height: 42px; border: 0; border-radius: 12px; background: var(--paper-2); color: var(--ink); cursor: pointer; }
.admin-modal-scroll { max-height: calc(100dvh - 135px); overflow-y: auto; padding: 17px 18px 20px; overscroll-behavior: contain; }
body.admin-modal-open { overflow: hidden; }
.admin-topic-panel { margin: 14px 0; }
.admin-segmented { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 9px; }
.admin-segmented a { padding: 3px 8px; border-radius: 6px; color: var(--muted); text-decoration: none; font-size: .68rem; }
.admin-segmented a.active { background: var(--cinnabar); color: #fff; }
.admin-topic-list { display: flex; flex-wrap: wrap; gap: 7px; }
.admin-topic-list a { max-width: 100%; display: flex; gap: 8px; align-items: center; padding: 6px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); text-decoration: none; font-size: .72rem; }
.admin-topic-list a span { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.admin-topic-list a strong { color: var(--cinnabar); }
.admin-config-list { display: grid; gap: 9px; }
.admin-config-row {
  display: grid; grid-template-columns: minmax(0,1fr) minmax(270px,.55fr); gap: 20px;
  align-items: center; padding: 15px 16px; border: 1px solid var(--line); border-radius: 13px;
  background: var(--admin-surface);
}
.admin-config-copy > div { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.admin-config-copy h2, .admin-page .admin-config-copy h2, .admin-config-copy h3, .admin-page .admin-config-copy h3 { margin: 0; font-size: .9rem; }
.admin-config-copy p { margin: 4px 0; color: var(--muted); font-size: .77rem; }
.admin-config-copy small { color: var(--muted); font-size: .66rem; }
.admin-config-control { display: grid; grid-template-columns: minmax(120px,1fr) auto auto; align-items: end; gap: 7px; }
.admin-config-control label { display: grid; gap: 3px; }
.admin-config-control code { align-self: center; color: var(--muted); font-size: .62rem; }
.admin-sticky-save {
  position: sticky; bottom: 10px; z-index: 15; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; margin: 16px 0; padding: 11px 13px; border: 1px solid rgba(217,210,194,.9);
  border-radius: 13px; background: rgba(255,253,248,.94); backdrop-filter: blur(14px);
  box-shadow: 0 10px 30px rgba(43,43,43,.12);
}
.admin-sticky-save strong, .admin-sticky-save span { display: block; }
.admin-sticky-save strong { font-size: .82rem; }
.admin-sticky-save span { color: var(--muted); font-size: .68rem; }
.admin-config-integrations { margin-top: 20px; }
.admin-provider-panel { margin-top: 20px; }
.admin-provider-row { align-items: start; }
.admin-provider-copy h3 { margin: 0; }
.admin-provider-toggle { display: inline-flex; align-items: center; gap: 7px; margin-top: 8px; font-size: .75rem; }
.admin-provider-toggle input { width: 18px; height: 18px; accent-color: var(--cinnabar); }
.admin-provider-fields { grid-template-columns: repeat(2,minmax(0,1fr)); align-items: end; }
.admin-provider-fields label { min-width: 0; }
.admin-provider-fields input { width: 100%; }
.admin-provider-actions { display: flex; align-items: center; justify-content: flex-end; gap: 7px; grid-column: 1 / -1; }
.admin-credentials-panel { margin-top: 20px; }
.admin-credential-groups { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.admin-credential-group { padding: 14px; border: 1px solid var(--line); border-radius: 13px; background: var(--admin-surface); }
.admin-credential-group h3 { margin: 0; font-size: .9rem; }
.admin-credential-fields { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; margin: 10px 0; }
.admin-credential-fields label { display: grid; gap: 4px; min-width: 0; }
.admin-credential-fields label > span { color: var(--muted); font-size: .7rem; }
.admin-credential-fields input { width: 100%; }
.admin-credential-fields small { color: var(--muted); font-size: .62rem; }
.integration-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 18px; }
.admin-search-row, .admin-inline-form { display: flex; gap: 8px; }
.admin-search-row input, .admin-inline-form input { flex: 1; }
.admin-chunk-results { display: grid; gap: 8px; margin-top: 12px; max-height: 560px; overflow-y: auto; }
.admin-chunk-results article { padding: 11px; border: 1px solid var(--line); border-radius: 10px; background: #fffdf8; }
.admin-chunk-results article header { display: flex; justify-content: space-between; gap: 10px; }
.admin-chunk-results article header strong { font-size: .78rem; }
.admin-chunk-results code { display: block; margin-top: 4px; color: var(--cinnabar); font-size: .62rem; overflow-wrap: anywhere; }
.admin-chunk-results p { margin: 5px 0 8px; color: var(--muted); font-size: .7rem; line-height: 1.6; }
.compact-form { margin: 0 0 12px; }
.admin-blocked-list { max-height: 420px; overflow-y: auto; }
.admin-blocked-list > div { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 4px 10px; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.admin-blocked-list code { min-width: 0; color: var(--cinnabar); font-size: .64rem; overflow-wrap: anywhere; }
.admin-blocked-list p { grid-column: 1; margin: 0; color: var(--muted); font-size: .67rem; }
.admin-blocked-list form { grid-column: 2; grid-row: 1 / span 2; }
.claim-card > header time { flex: none; color: var(--muted); font-size: .68rem; }
.claim-card > header h3 { display: block; margin: 3px 0 0; }
.claim-card > header p { margin: 1px 0; color: var(--muted); font-size: .7rem; }
.admin-claim-copy, .admin-claim-note { margin: 10px 0; padding: 10px 11px; border-radius: 9px; background: var(--paper); }
.admin-claim-copy strong, .admin-claim-note strong { font-size: .7rem; }
.admin-claim-copy p, .admin-claim-note p { margin: 3px 0 0; font-size: .76rem; line-height: 1.7; white-space: pre-wrap; }
.claim-resolution-form { margin-top: 11px; padding-top: 11px; border-top: 1px dashed var(--line); }
.admin-detail-cell { min-width: 240px; max-width: 520px; line-height: 1.6; overflow-wrap: anywhere; }
.admin-settings-nav {
  display: flex; align-items: center; gap: 2px; margin: -4px 0 18px; padding: 4px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--paper-2); overflow-x: auto;
}
.admin-settings-nav a {
  flex: 0 0 auto; min-height: 36px; display: inline-flex; align-items: center; padding: 6px 14px;
  border-radius: 7px; color: var(--muted); font-size: .76rem; font-weight: 600; text-decoration: none;
}
.admin-settings-nav a.active { background: #fff; color: var(--cinnabar); box-shadow: 0 1px 5px rgba(70,52,35,.1); }
.admin-settings-section { margin: 0 0 14px; }
.admin-provider-form-grid .wide, .admin-mail-fields .wide { grid-column: 1 / -1; }
.admin-integration-summary { margin-bottom: 14px; }
.admin-integration-forms { align-items: start; }
.admin-mail-overview { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 10px; margin-bottom: 14px; }
.admin-mail-server-card { display: grid; grid-template-columns: auto minmax(0,1fr); align-items: start; gap: 8px; }
.admin-mail-server-card form { grid-column: 1 / -1; }
.admin-mail-server-card p { margin: 3px 0 0; color: var(--muted); font-size: .68rem; overflow-wrap: anywhere; }
.admin-mail-test-panel, .admin-mail-log-panel { margin-top: 14px; }
.admin-mail-config-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; align-items: start; }
.admin-mail-fields select { width: 100%; min-height: 40px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 9px; background: #fffdf8; color: var(--ink); }
.admin-badge.mail-sent { background: #e5f3e8; color: #2d6c3c; }
.admin-badge.mail-failed { background: #f8e4e2; color: #99292a; }
.admin-badge.mail-retrying, .admin-badge.mail-queued { background: #f4edd8; color: #725916; }
.admin-badge.mail-sending { background: #e5edf7; color: #315a83; }
.auth-verification-pending { margin: 14px 0; padding: 14px; border: 1px solid #bdd9c3; border-radius: 12px; background: #edf7ef; color: #285c35; }
.auth-verification-pending strong { display: block; margin-bottom: 5px; }
.auth-verification-pending p { margin: 0; font-size: .86rem; line-height: 1.65; overflow-wrap: anywhere; }

/* 运营分析：传统管理报表结构，图形均为本地 CSS，不依赖第三方脚本。 */
.admin-live-chip {
  display: inline-flex; align-items: center; gap: 7px; min-height: 34px; padding: 5px 11px;
  border: 1px solid #bad9c1; border-radius: 999px; background: #edf7ef; color: #2d6c3c;
  font-size: .72rem; font-weight: 700; white-space: nowrap;
}
.admin-live-chip i { width: 8px; height: 8px; border-radius: 50%; background: #37924d; box-shadow: 0 0 0 4px rgba(55,146,77,.12); }
.admin-analytics-toolbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  margin-bottom: 12px; padding: 13px 15px; border: 1px solid var(--line); border-radius: 13px; background: var(--admin-surface);
}
.admin-analytics-toolbar > div strong, .admin-analytics-toolbar > div span { display: block; }
.admin-analytics-toolbar > div strong { font-size: .86rem; }
.admin-analytics-toolbar > div span { margin-top: 2px; color: var(--muted); font-size: .68rem; }
.admin-analytics-toolbar form { display: flex; align-items: center; gap: 8px; }
.admin-analytics-toolbar select { min-height: 38px; padding: 7px 28px 7px 10px; border: 1px solid var(--line); border-radius: 9px; background: #fffdf8; color: var(--ink); }
.analytics-kpi-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.admin-stat-card.accent { border-color: #bad9c1; background: linear-gradient(145deg,#f6fcf7,#fffdf8); }
.analytics-trend-panel, .analytics-table-panel { margin-top: 14px; }
.analytics-legend { display: flex; gap: 13px; color: var(--muted); font-size: .68rem; }
.analytics-legend span::before { content: ''; display: inline-block; width: 8px; height: 8px; margin-right: 5px; border-radius: 2px; }
.analytics-legend .views::before { background: var(--cinnabar); }
.analytics-legend .queries::before { background: #b68a38; }
.analytics-chart-scroll { overflow-x: auto; padding: 4px 0 2px; }
.analytics-chart {
  min-width: calc(var(--chart-days) * 34px); height: 250px; display: grid;
  grid-template-columns: repeat(var(--chart-days),minmax(28px,1fr)); align-items: end; gap: 4px;
  padding: 18px 5px 0; border-bottom: 1px solid var(--line);
  background: repeating-linear-gradient(to top,transparent 0,transparent 49px,rgba(217,210,194,.45) 50px);
}
.analytics-chart-day { min-width: 0; height: 100%; display: grid; grid-template-rows: minmax(0,1fr) 22px; gap: 5px; }
.analytics-chart-bars { min-height: 0; display: flex; align-items: end; justify-content: center; gap: 2px; }
.analytics-chart-bars i { width: min(10px,42%); min-height: 2px; height: var(--bar); border-radius: 4px 4px 1px 1px; transition: opacity .15s ease; }
.analytics-chart-bars i.views { background: var(--cinnabar); }
.analytics-chart-bars i.queries { background: #b68a38; }
.analytics-chart-day:hover .analytics-chart-bars i { opacity: .7; }
.analytics-chart-day > span { overflow: hidden; color: var(--muted); font-size: .56rem; text-align: center; white-space: nowrap; }
.analytics-rank-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 12px; margin-top: 14px; }
.analytics-rank-panel { min-width: 0; }
.analytics-rank-list { display: grid; gap: 11px; }
.analytics-rank-list > div header { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.analytics-rank-list > div header strong { min-width: 0; overflow: hidden; font-size: .72rem; text-overflow: ellipsis; white-space: nowrap; }
.analytics-rank-list > div header span { flex: none; color: var(--muted); font-size: .64rem; }
.analytics-rank-list > div > i { display: block; height: 6px; overflow: hidden; border-radius: 999px; background: #eee8dc; }
.analytics-rank-list > div > i b { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg,var(--cinnabar),#c86857); }
.analytics-rank-list .admin-empty { margin: 0; padding: 14px 0; font-size: .7rem; }
.analytics-demand-grid { margin-top: 14px; }
.analytics-table-panel code { color: var(--cinnabar); font-size: .68rem; overflow-wrap: anywhere; }
.analytics-table-panel a { color: var(--cinnabar); }
.analytics-profile-kpis { grid-template-columns: repeat(5,minmax(0,1fr)); }
.profile-ranks { grid-template-columns: repeat(4,minmax(0,1fr)); }
.analytics-detail-table { min-width: 1180px; }
.analytics-detail-table td { vertical-align: top; }
.analytics-detail-table .admin-cell-sub { max-width: 260px; line-height: 1.55; white-space: normal; overflow-wrap: anywhere; }

@media (max-width: 1100px) {
  .admin-health-grid, .admin-stat-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .admin-config-row { grid-template-columns: 1fr; gap: 10px; }
  .admin-mail-overview { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .analytics-kpi-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .analytics-rank-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .analytics-profile-kpis { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

@media (max-width: 900px) {
  .admin-page { padding-bottom: calc(20px + env(safe-area-inset-bottom)); }
  .admin-page-head { align-items: center; margin-top: 0; }
  .admin-page-head > .btn { flex: none; }
  .admin-nav {
    position: sticky; top: calc(var(--mobile-header-height) + env(safe-area-inset-top)); z-index: 35;
    margin-left: -14px; margin-right: -14px; padding: 6px 14px; border-left: 0; border-right: 0;
    border-radius: 0; background: rgba(247,243,234,.96); backdrop-filter: blur(14px);
  }
  .admin-nav a { min-height: 42px; }
  .admin-two-column, .admin-language-grid { grid-template-columns: 1fr; }
  .admin-credential-groups { grid-template-columns: 1fr; }
  .admin-command-row { flex-direction: column; }
  .copy-command { min-height: 42px; }
  .admin-config-control { grid-template-columns: minmax(0,1fr) auto; }
  .admin-provider-fields { grid-template-columns: 1fr 1fr; }
  .admin-config-control code { display: none; }
  .integration-grid { grid-template-columns: 1fr; }
  .admin-mail-config-grid { grid-template-columns: 1fr; }
  .profile-ranks { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .admin-bulk-bar { grid-template-columns: 1fr; align-items: stretch; }
  .admin-bulk-actions { justify-content: flex-start; }
}

@media (min-width: 701px) and (max-width: 840px) {
  /* 竖屏平板同样使用记录卡片，避免操作列藏在横向滚动区。 */
  .admin-table-wrap { overflow: visible; border: 0; background: transparent; }
  .admin-data-table.responsive-table { display: block; min-width: 0; }
  .admin-data-table.responsive-table thead { display: none; }
  .admin-data-table.responsive-table tbody { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
  .admin-data-table.responsive-table tr { display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.82); }
  .admin-data-table.responsive-table td {
    min-height: 43px; display: grid; grid-template-columns: minmax(88px,.34fr) minmax(0,1fr);
    align-items: start; gap: 10px; padding: 9px 12px; text-align: left; background: transparent !important;
  }
  .admin-data-table.responsive-table td::before { content: attr(data-label); color: var(--muted); font-size: .7rem; font-weight: 600; }
  .admin-data-table.responsive-table td.admin-empty { display: block; grid-column: 1 / -1; }
  .admin-data-table.responsive-table td.admin-empty::before { content: none; }
  .admin-row-actions { min-width: 0; }
  .admin-row-actions .btn { min-height: 40px; }
  .admin-query-cell, .admin-detail-cell { max-width: none; min-width: 0; }
}

@media (max-width: 700px) {
  /* 手机端表格转换为原生列表卡片，避免横向拖动才能理解记录。 */
  .admin-page-head { gap: 10px; }
  .admin-page .admin-page-head h1 { font-size: 1.45rem; }
  .admin-page-head p { font-size: .8rem; }
  .admin-count-chip { min-height: 32px; padding: 3px 9px; font-size: .7rem; }
  .admin-health-grid { grid-template-columns: 1fr; }
  .admin-stat-grid { gap: 8px; }
  .admin-stat-card { min-height: 108px; padding: 12px; }
  .admin-stat-card > strong { font-size: 1.35rem; }
  .admin-toolbar { align-items: stretch; }
  .admin-toolbar label, .admin-toolbar label.grow { flex: 1 1 100%; min-width: 0; }
  .admin-toolbar-actions { width: 100%; }
  .admin-toolbar-actions .btn { flex: 1; }
  .admin-bulk-bar { padding: 12px; }
  .admin-bulk-actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .admin-bulk-actions output { grid-column: 1 / -1; }
  .admin-bulk-actions .btn { min-height: 42px; white-space: normal; }
  .admin-table-wrap { overflow: visible; border: 0; background: transparent; }
  .admin-data-table.responsive-table { display: block; min-width: 0; }
  .admin-data-table.responsive-table thead { display: none; }
  .admin-data-table.responsive-table tbody { display: grid; gap: 10px; }
  .admin-data-table.responsive-table tr { display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.82); }
  .admin-data-table.responsive-table td {
    min-height: 43px; display: grid; grid-template-columns: minmax(92px,.34fr) minmax(0,1fr);
    align-items: start; gap: 10px; padding: 9px 12px; text-align: left; background: transparent !important;
  }
  .admin-data-table.responsive-table td::before { content: attr(data-label); color: var(--muted); font-size: .7rem; font-weight: 600; }
  .admin-data-table.responsive-table td.admin-empty { display: block; }
  .admin-data-table.responsive-table td.admin-empty::before { content: none; }
  .admin-row-actions { min-width: 0; }
  .admin-row-actions .btn { min-height: 40px; }
  .admin-query-cell, .admin-detail-cell { max-width: none; min-width: 0; }
  .admin-form-grid { flex-direction: column; align-items: stretch; }
  .admin-form-grid .small-field { flex: 1; }
  .admin-inline-editor { padding-bottom: 67px; }
  .admin-delete-row { left: 15px; right: 15px; }
  .admin-delete-row .btn { width: 100%; min-height: 44px; }
  .modal-overlay.admin-modal { align-items: flex-end; padding: 0; }
  .admin-modal-sheet { width: 100%; max-height: calc(100dvh - 18px); border-radius: 22px 22px 0 0; border-bottom: 0; }
  .admin-modal-scroll { max-height: calc(100dvh - 94px - env(safe-area-inset-bottom)); padding-bottom: calc(20px + env(safe-area-inset-bottom)); }
  .admin-sticky-save { bottom: calc(8px + env(safe-area-inset-bottom)); }
  .admin-sticky-save span { display: none; }
  .admin-search-row, .admin-inline-form { flex-direction: column; }
  .admin-search-row .btn, .admin-inline-form .btn { min-height: 44px; }
  .copyright-tools .admin-panel { padding: 14px; }
  .admin-analytics-toolbar { align-items: stretch; flex-direction: column; }
  .admin-analytics-toolbar form { display: grid; grid-template-columns: minmax(0,1fr) auto; }
  .analytics-kpi-grid, .analytics-profile-kpis { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .analytics-rank-grid, .profile-ranks { grid-template-columns: 1fr; }
  .analytics-legend { flex-wrap: wrap; }
  .analytics-chart { height: 220px; }
  .analytics-detail-table { min-width: 0; }
  .analytics-detail-table .admin-cell-sub { max-width: none; }
  .quota-cta { align-items: stretch; flex-direction: column; gap: 12px; padding: 13px; }
  .quota-actions { display: grid; grid-template-columns: 1fr; }
  .quota-actions .btn { min-height: 44px; justify-content: center; }
}

@media (max-width: 480px) {
  /* 手机主栏保留品牌标题，将语言切换移入菜单，接近原生 App 导航习惯。 */
  .brand-name { display: block; max-width: 92px; font-size: .88rem; }
  .brand { gap: 9px; }
  .mobile-menu-btn { margin-left: auto; }
  .lang-toggle { display: none; }
  .mobile-language-link { display: flex; }
  .admin-stat-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .admin-page-head > .btn { display: none; }
  .admin-check-list > div { grid-template-columns: 13px minmax(0,1fr); }
  .admin-check-list > div span:last-child { grid-column: 2; }
  .admin-config-control { grid-template-columns: 1fr; }
  .admin-provider-fields { grid-template-columns: 1fr; }
  .admin-credential-fields { grid-template-columns: 1fr; }
  .config-reset-button { width: 100%; min-height: 42px; }
  .admin-sticky-save { align-items: stretch; }
  .admin-sticky-save > div { display: none; }
  .admin-sticky-save .btn { width: 100%; min-height: 48px; }
}

@media (max-width: 360px) {
  .brand-name { max-width: 78px; font-size: .82rem; }
  .admin-stat-card { min-height: 100px; }
  .admin-stat-card > span, .admin-stat-card > small { font-size: .65rem; }
}