@import './site-chrome.css';
/* ToolBox 共享样式 - 适配所有工具页面 */
*{margin:0;padding:0;box-sizing:border-box;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
:root{
  --primary:#FF6B35;
  --primary-dark:#E55A25;
  --primary-hover:#E55A25;
  --secondary:#7C3AED;
  --accent:#00C9A7;
  --bg-body:#FFFAF7;
  --bg:#FFFAF7;
  --bg-sidebar:#ffffff;
  --card-bg:#ffffff;
  --bg-card:#ffffff;
  --bg-hover:#FFF5F0;
  --bg-active:#FFE8DD;
  --border:#E5E7EB;
  --border-color:#E5E7EB;
  --text-primary:#1F2937;
  --text:#1F2937;
  --text-secondary:#6B7280;
  --text-light:#6B7280;
  --text-muted:#9CA3AF;
  --success:#10B981;
  --danger:#EF4444;
  --warning:#F59E0B;
  --info:#3B82F6;
  --shadow-sm:0 1px 3px rgba(255,107,53,0.06);
  --shadow:0 4px 16px rgba(255,107,53,0.08);
  --shadow-md:0 4px 16px rgba(255,107,53,0.08);
  --shadow-hover:0 12px 32px rgba(255,107,53,0.15);
  --shadow-lg:0 12px 32px rgba(255,107,53,0.12);
  --result-bg:#FFF8F5;
  --th-bg:#FFF5F0;
  --heading:#1F2937;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-lg:16px;
  --gradient-primary:linear-gradient(135deg,#FF6B35,#7C3AED);
}
body.dark,[data-theme="dark"]{
  --primary:#FF8A5C;
  --primary-dark:#FF6B35;
  --primary-hover:#FFA37D;
  --secondary:#9B6CF5;
  --accent:#00C9A7;
  --bg-body:#1A1A2E;
  --bg:#1A1A2E;
  --bg-sidebar:#1E1E36;
  --card-bg:#252540;
  --bg-card:#252540;
  --bg-hover:#2D2D4A;
  --bg-active:#3D2D5C;
  --border:#3A3A5A;
  --border-color:#3A3A5A;
  --text-primary:#F3F4F6;
  --text:#F3F4F6;
  --text-secondary:#D1D5DB;
  --text-light:#D1D5DB;
  --text-muted:#9CA3AF;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.3);
  --shadow:0 4px 16px rgba(0,0,0,0.35);
  --shadow-md:0 4px 16px rgba(0,0,0,0.35);
  --shadow-hover:0 12px 32px rgba(0,0,0,0.4);
  --shadow-lg:0 12px 32px rgba(0,0,0,0.4);
  --result-bg:#252540;
  --th-bg:#2D2D4A;
  --heading:#F3F4F6;
}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
  transition:background 0.25s ease,color 0.25s ease;
}
.nav{
  background:var(--card-bg);
  padding:14px 20px;
  border-bottom:1px solid var(--border);
  display:flex;
  align-items:center;
  gap:12px;
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav a{color:var(--primary);text-decoration:none;font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px;}
.nav a:hover{opacity:0.8;}
.nav span{color:var(--text-muted);font-size:14px;}
.privacy-badge{display:inline-flex;align-items:center;gap:4px;padding:5px 10px;border-radius:999px;background:rgba(0,201,167,0.10);color:#0d9488;font-size:12px;font-weight:600;white-space:nowrap;flex-shrink:0}
.privacy-badge svg{width:13px;height:13px}
@media(max-width:768px){.privacy-badge{font-size:11px;padding:4px 8px}}
@media(max-width:380px){.privacy-badge .privacy-text{display:none}}
.privacy-badge .privacy-text{}
.nav .theme-btn{
  margin-left:auto;
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--bg);
  color:var(--text);
  cursor:pointer;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all 0.2s;
}
.nav .theme-btn:hover{border-color:var(--primary);background:var(--bg-hover);}
.nav .lang-switcher{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--bg);
  color:var(--text);
  cursor:pointer;
  font-size:13px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:all 0.2s;
}
.nav .lang-switcher:hover{border-color:var(--primary);background:var(--bg-hover);}
.nav .fav-btn{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--border);
  background:var(--bg);
  color:var(--text);
  cursor:pointer;
  font-size:16px;
  display:flex;align-items:center;justify-content:center;
  transition:all 0.2s;
  margin-right:8px;
}
.nav .fav-btn:hover{border-color:var(--primary);background:var(--bg-hover);}
.nav .fav-btn.active{color:#EF4444;border-color:rgba(239,68,68,0.4);background:rgba(239,68,68,0.08);}
.container{max-width:960px;margin:24px auto;padding:0 16px;}
.card{
  background:var(--card-bg);
  border-radius:16px;
  padding:24px;
  border:1px solid var(--border);
  margin-bottom:16px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow 0.2s;
}
.card:hover{box-shadow:var(--shadow);}
h2{font-size:20px;font-weight:700;margin-bottom:8px;color:var(--heading);display:flex;align-items:center;gap:8px;}
h3{font-size:16px;font-weight:600;margin-bottom:8px;color:var(--heading);}
.toolbar{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;align-items:center;}
.btn{
  padding:10px 20px;
  border-radius:12px;
  font-size:13px;
  cursor:pointer;
  border:1px solid var(--border);
  background:var(--card-bg);
  color:var(--text);
  transition:all 0.2s ease;
  font-weight:500;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);border-color:var(--primary);}
.btn:active{transform:translateY(0);}
.btn.primary{background:var(--gradient-primary);color:#fff;border:none;}
.btn.primary:hover{box-shadow:0 4px 14px rgba(255,107,53,0.35);}
.btn.success{border-color:var(--success);color:var(--success);background:rgba(16,185,129,0.08);}
.btn.danger{border-color:var(--danger);color:var(--danger);background:rgba(239,68,68,0.08);}
.btn.warning{border-color:var(--warning);color:var(--warning);background:rgba(245,158,11,0.08);}
.btn:disabled{opacity:0.5;cursor:not-allowed;transform:none!important;}
textarea,input[type="text"],input[type="number"],input[type="password"],input[type="search"],input[type="email"],input[type="tel"],select{
  width:100%;
  padding:12px 14px;
  border:1.5px solid var(--border);
  border-radius:12px;
  font-size:14px;
  outline:none;
  font-family:inherit;
  background:var(--card-bg);
  color:var(--text);
  transition:border-color 0.2s,box-shadow 0.2s;
}
textarea{font-family:'SF Mono','Courier New','Fira Code',monospace;resize:vertical;min-height:140px;line-height:1.6;}
textarea:focus,input:focus,select:focus{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(255,107,53,0.12);
}

/* ===== 时间输入组件统一美化 ===== */
input[type="date"],input[type="time"],input[type="datetime-local"]{
  -webkit-appearance:none;
  -moz-appearance:none;
  appearance:none;
  position:relative;
  min-height:46px;
  padding-right:40px;
  background-repeat:no-repeat;
  background-position:right 12px center;
  background-size:20px 20px;
}
input[type="date"]:not([class*="no-icon"]),
input[type="datetime-local"]:not([class*="no-icon"]){
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23FF6B35' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E");
}
input[type="time"]:not([class*="no-icon"]){
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23FF6B35' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E");
}
input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator,
input[type="datetime-local"]::-webkit-calendar-picker-indicator{
  position:absolute;
  right:10px;
  top:50%;
  transform:translateY(-50%);
  width:22px;
  height:22px;
  padding:4px;
  margin:0;
  opacity:0;
  cursor:pointer;
  border-radius:6px;
  transition:background 0.2s;
}
input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="time"]::-webkit-calendar-picker-indicator:hover,
input[type="datetime-local"]::-webkit-calendar-picker-indicator:hover{
  background:var(--bg-hover);
}
input[type="date"]:placeholder-shown,
input[type="time"]:placeholder-shown,
input[type="datetime-local"]:placeholder-shown{
  color:var(--text-muted);
}
body.dark input[type="date"],body.dark input[type="time"],body.dark input[type="datetime-local"]{
  color-scheme:dark;
}
body.dark input[type="date"]:not([class*="no-icon"]),
body.dark input[type="datetime-local"]:not([class*="no-icon"]){
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23FF8A5C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E");
}
body.dark input[type="time"]:not([class*="no-icon"]){
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%23FF8A5C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E");
}

/* 日期+时间组合输入 */
.datetime-combo{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;}
.datetime-combo .date-field{flex:1.6 1 0;min-width:150px;}
.datetime-combo .time-field{flex:1 1 0;min-width:110px;}
.datetime-combo label{display:block;margin-bottom:6px;}
@media(max-width:768px){
  .datetime-combo{flex-direction:column;align-items:stretch;}
  .datetime-combo .date-field,.datetime-combo .time-field{min-width:0;}
}

label{font-size:13px;color:var(--text-light);display:block;margin-bottom:6px;font-weight:500;}
.input-row{display:flex;gap:10px;margin-bottom:12px;flex-wrap:wrap;align-items:flex-end;}
.input-row > *{flex:1 1 0;min-width:0;}
.input-row label{margin-bottom:0;white-space:normal;overflow-wrap:anywhere;min-width:auto;flex-shrink:0;padding-bottom:2px;}
.input-row > .btn,.input-row > button{flex:0 0 auto;min-width:auto;}
.checkbox-row{display:flex;align-items:center;gap:16px;margin-bottom:12px;flex-wrap:wrap;}
.checkbox-row label{margin:0;font-weight:normal;display:flex;align-items:center;gap:6px;cursor:pointer;}
.checkbox-row input[type="checkbox"],.checkbox-row input[type="radio"]{width:auto;accent-color:var(--primary);}
.result-box{
  background:var(--result-bg);
  border:1px solid var(--border);
  border-radius:12px;
  padding:16px;
  margin-top:12px;
  word-break:break-all;
}
.result-box p{margin:6px 0;font-size:14px;}
.result-box strong{color:var(--primary);}
.info-box{
  background:rgba(16,185,129,0.08);
  border:1px solid rgba(16,185,129,0.25);
  border-radius:12px;
  padding:12px 14px;
  margin-top:12px;
  font-size:13px;
  color:var(--success);
  line-height:1.6;
}
[data-theme="dark"] .info-box{background:rgba(16,185,129,0.1);border-color:rgba(16,185,129,0.3);}
table{width:100%;border-collapse:collapse;font-size:13px;border-radius:12px;overflow:hidden;}
th,td{border:1px solid var(--border);padding:10px 12px;text-align:left;}
th{background:var(--th-bg);font-weight:600;color:var(--heading);}
a{color:var(--primary);text-decoration:none;}
a:hover{text-decoration:underline;}

/* Toast 通知 */
.toast{font-size:14px;user-select:none;}
.toast-container{position:fixed;bottom:80px;left:50%;transform:translateX(-50%);z-index:9999;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;}
.toast-msg{
  background:var(--text-primary);
  color:var(--card-bg);
  padding:10px 20px;
  border-radius:12px;
  font-size:13px;
  box-shadow:0 8px 24px rgba(0,0,0,0.2);
  animation:toastIn 0.3s ease;
  pointer-events:auto;
  white-space:nowrap;
}
@keyframes toastIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

/* 统计卡片 */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px;align-items:stretch;grid-auto-rows:1fr;}
.stat-card{background:var(--result-bg);border:1px solid var(--border);border-radius:12px;padding:16px 12px;text-align:center;transition:all 0.2s;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:86px;gap:4px;}
.stat-card:hover{border-color:var(--primary);transform:translateY(-2px);}
.stat-card .val{font-size:22px;font-weight:700;color:var(--primary);line-height:1.25;word-break:break-word;max-width:100%;}
.stat-card .lbl{font-size:12px;color:var(--text-muted);line-height:1.35;max-width:100%;}

/* 步骤线 */
.step-line{padding:6px 0;font-size:13px;color:var(--text-light);border-left:2px solid var(--border);padding-left:12px;margin:4px 0;}
.step-line:last-child{border-left-color:var(--primary);}

/* 可视化条形 */
.bar-row{display:flex;align-items:center;gap:8px;margin:6px 0;font-size:13px;}
.bar-row .bar-bg{flex:1;height:22px;background:var(--border);border-radius:6px;overflow:hidden;}
.bar-row .bar-fill{height:100%;border-radius:6px;background:var(--gradient-primary);transition:width 0.4s ease;display:flex;align-items:center;padding-left:8px;color:#fff;font-size:11px;font-weight:500;}
.bar-row .bar-lbl{width:80px;text-align:right;flex-shrink:0;color:var(--text-light);font-size:12px;}

/* Tabs 选项卡 */
.tabs{display:flex;gap:4px;margin-bottom:16px;overflow-x:auto;-webkit-overflow-scrolling:touch;flex-wrap:wrap;}
.tab-btn{padding:10px 18px;background:none;border:none;cursor:pointer;font-size:13px;color:var(--text-light);border-radius:10px;white-space:nowrap;transition:all 0.2s;font-weight:500;}
.tab-btn:hover{color:var(--primary);background:var(--bg-hover);}
.tab-btn.active{color:#fff;background:var(--gradient-primary);}
.tab-content{display:none;}
.tab-content.active{display:block;}

/* 历史记录 */
.history-list{max-height:400px;overflow-y:auto;}
.history-item{padding:12px;border:1px solid var(--border);border-radius:12px;margin-bottom:8px;cursor:pointer;transition:all 0.2s;background:var(--card-bg);}
.history-item:hover{border-color:var(--primary);transform:translateX(2px);box-shadow:var(--shadow-sm);}
.history-item .time{font-size:12px;color:var(--text-muted);margin-bottom:4px;}
.history-item .summary{font-size:13px;color:var(--text);font-weight:500;}
.history-item .detail{font-size:12px;color:var(--text-light);margin-top:4px;}
.history-empty{text-align:center;padding:40px 20px;color:var(--text-muted);font-size:14px;}
.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;}
.history-header h3{margin:0;}

/* 参考数据卡片 */
.ref-card{background:var(--result-bg);border:1px solid var(--border);border-radius:12px;padding:16px;margin-bottom:12px;}
.ref-card h4{font-size:15px;font-weight:600;margin-bottom:8px;color:var(--heading);}
.ref-card p{font-size:13px;color:var(--text-light);line-height:1.7;margin:4px 0;}
.ref-card ul{font-size:13px;color:var(--text-light);line-height:1.8;padding-left:20px;}
.ref-card li{margin:2px 0;}

/* 等级标签 */
.grade-tag{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;}
.grade-excellent{background:rgba(16,185,129,0.1);color:#059669;}
.grade-good{background:rgba(59,130,246,0.1);color:#2563EB;}
.grade-pass{background:rgba(245,158,11,0.1);color:#D97706;}
.grade-fail{background:rgba(239,68,68,0.1);color:#DC2626;}
[data-theme="dark"] .grade-excellent{color:#34D399;}
[data-theme="dark"] .grade-good{color:#60A5FA;}
[data-theme="dark"] .grade-pass{color:#FBBF24;}
[data-theme="dark"] .grade-fail{color:#F87171;}

/* 进度条 */
.progress-bar{height:8px;background:var(--border);border-radius:4px;overflow:hidden;margin:8px 0;}
.progress-fill{height:100%;border-radius:4px;background:var(--gradient-primary);transition:width 0.3s ease;}

/* 数据卡片网格 */
.data-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(130px,1fr));
  gap:10px;
  margin:12px 0;
  align-items:stretch;
  grid-auto-rows:1fr;
}
.data-card{
  background:var(--result-bg);
  border:1px solid var(--border);
  border-radius:12px;
  padding:14px 10px;
  text-align:center;
  transition:all 0.2s;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  min-height:86px;
  gap:4px;
}
.data-card:hover{border-color:var(--primary);transform:translateY(-2px);}
.data-card .num{font-size:20px;font-weight:700;color:var(--primary);line-height:1.25;word-break:break-word;max-width:100%;}
.data-card .label{font-size:12px;color:var(--text-muted);line-height:1.35;max-width:100%;}

/* 提示框 */
.tip-box{padding:12px 16px;border-radius:12px;font-size:13px;line-height:1.6;margin:12px 0;}
.tip-info{background:rgba(59,130,246,0.08);border:1px solid rgba(59,130,246,0.2);color:#2563EB;}
.tip-warn{background:rgba(245,158,11,0.08);border:1px solid rgba(245,158,11,0.2);color:#D97706;}
.tip-success{background:rgba(16,185,129,0.08);border:1px solid rgba(16,185,129,0.2);color:#059669;}
.tip-error{background:rgba(239,68,68,0.08);border:1px solid rgba(239,68,68,0.2);color:#DC2626;}
[data-theme="dark"] .tip-info{background:rgba(59,130,246,0.15);border-color:rgba(59,130,246,0.3);color:#60A5FA;}
[data-theme="dark"] .tip-warn{background:rgba(245,158,11,0.15);border-color:rgba(245,158,11,0.3);color:#FBBF24;}
[data-theme="dark"] .tip-success{background:rgba(16,185,129,0.15);border-color:rgba(16,185,129,0.3);color:#34D399;}
[data-theme="dark"] .tip-error{background:rgba(239,68,68,0.15);border-color:rgba(239,68,68,0.3);color:#F87171;}

/* 折叠面板 */
.collapse-item{border:1px solid var(--border);border-radius:12px;margin-bottom:8px;overflow:hidden;}
.collapse-header{padding:12px 16px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:500;font-size:14px;background:var(--result-bg);transition:background 0.2s;}
.collapse-header:hover{background:var(--bg-hover);}
.collapse-header .arrow{transition:transform 0.2s;font-size:12px;color:var(--text-muted);}
.collapse-item.open .collapse-header .arrow{transform:rotate(180deg);}
.collapse-body{display:none;padding:12px 16px;border-top:1px solid var(--border);font-size:13px;color:var(--text-light);line-height:1.7;}
.collapse-item.open .collapse-body{display:block;}

/* 移动端适配 */
@media(max-width:768px){
  .container{padding:0 12px;margin:14px auto 20px;}
  .card{padding:18px;border-radius:16px;}
  .nav{
    padding:12px 14px;
    gap:8px;
    font-size:13px;
  }
  .nav a,.nav span{font-size:13px;}
  .nav a{flex-shrink:0;}
  .nav span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;flex:1 1 auto;}
  .nav .theme-btn{width:34px;height:34px;font-size:14px;flex-shrink:0;border-radius:10px;}
  .privacy-badge{margin-left:0;}
  h2{font-size:18px;margin-bottom:12px;}
  h3{font-size:15px;margin-bottom:8px;}
  
  .btn{
    min-height:44px;
    font-size:15px;
    padding:11px 18px;
  }
  .input-row > .btn,.input-row > button{
    flex:1 1 100%;
    min-width:100%;
    width:100%;
  }
  .toolbar{
    flex-wrap:wrap;
    gap:8px;
  }
  .toolbar .btn{
    flex:1 1 calc(50% - 4px);
    min-width:calc(50% - 4px);
    padding:11px 12px;
    font-size:13px;
    justify-content:center;
  }
  .toolbar .btn.primary{
    flex:1 1 100%;
    min-width:100%;
  }
  textarea{
    min-height:120px;
    font-size:16px;
    padding:12px;
    line-height:1.5;
    -webkit-appearance:none;
  }
  input[type="text"],input[type="number"],input[type="password"],input[type="search"],input[type="email"],input[type="tel"],select{
    padding:12px 14px;
    font-size:16px;
    min-height:44px;
    -webkit-appearance:none;
    border-radius:12px;
  }
  .input-row{
    gap:10px;
    margin-bottom:12px;
    flex-direction:column;
    align-items:stretch;
    /* column 布局下 wrap 会让 flex line 交叉轴尺寸取子项 min-content 最大值
       (如超长 select 选项文本 347px) 反而撑破容器宽度, 改 nowrap 锁定单行=容器宽 */
    flex-wrap:nowrap;
  }
  .input-row label{
    font-size:13px;
    min-width:auto;
    margin-bottom:4px;
  }
  .input-row > *{
    min-width:0;
  }
  .checkbox-row{gap:12px;flex-wrap:wrap;}
  table{
    font-size:12px;
    display:block;
    overflow-x:auto;
    white-space:nowrap;
    -webkit-overflow-scrolling:touch;
    border-radius:12px;
  }
  th,td{padding:8px 10px;}
  
  .tabs{
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    flex-wrap:nowrap;
    margin:0 -18px 16px;
    padding:0 18px 4px;
    gap:6px;
  }
  .tab-btn{
    padding:9px 14px;
    font-size:13px;
    flex-shrink:0;
    white-space:nowrap;
  }
  .data-grid{
    grid-template-columns:repeat(2,1fr);
    gap:8px;
  }
  .stat-grid{
    grid-template-columns:repeat(2,1fr);
    gap:8px;
  }
  .result-box{
    padding:14px;
    font-size:13px;
    border-radius:12px;
  }
  .btn-group{
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    flex-wrap:nowrap;
    margin:0 -18px;
    padding:0 18px 4px;
  }
  .btn-group .btn{
    flex-shrink:0;
    width:auto;
    min-width:auto;
  }
}

/* 动效无障碍：尊重用户减少动效偏好 */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.01ms!important;
    animation-duration:.01ms!important;
  }
}


/* 功能特点 - 标签化 */
.tool-intro-body .intro-features{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px;}
.tool-intro-body .intro-features li{padding:6px 12px;background:linear-gradient(135deg,rgba(255,107,53,0.06) 0%,rgba(124,58,237,0.06) 100%);border:1px solid rgba(255,107,53,0.12);border-radius:20px;font-size:12.5px;color:var(--text-secondary);font-weight:500;transition:all 0.2s;}
.tool-intro-body .intro-features li:hover{border-color:rgba(255,107,53,0.25);transform:translateY(-1px);}
/* 使用场景 - 带图标列表 */
.tool-intro-body .intro-scenes{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.tool-intro-body .intro-scenes li{padding:8px 12px;background:var(--result-bg);border-radius:10px;font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:6px;transition:all 0.2s;border:1px solid transparent;}
.tool-intro-body .intro-scenes li:hover{border-color:var(--border);transform:translateX(2px);}
.tool-intro-body .intro-scenes li::before{content:'→';color:var(--primary);font-weight:700;font-size:14px;flex-shrink:0;}
/* 常见问题 - 卡片式 */
.tool-intro-body .intro-faq-item{margin:8px 0;padding:12px 14px;background:var(--result-bg);border-radius:10px;border-left:3px solid var(--primary);transition:all 0.2s;}
.tool-intro-body .intro-faq-item:hover{border-left-color:var(--secondary);box-shadow:0 2px 8px rgba(0,0,0,0.04);}
.tool-intro-body .intro-faq-q{font-weight:600;color:var(--heading);font-size:13.5px;margin-bottom:4px;display:flex;align-items:flex-start;gap:6px;}
.tool-intro-body .intro-faq-q::before{content:'Q';display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:5px;background:var(--gradient-primary);color:#fff;font-size:11px;font-weight:700;flex-shrink:0;margin-top:1px;}
.tool-intro-body .intro-faq-a{font-size:13px;color:var(--text-secondary);line-height:1.7;padding-left:24px;}
[data-theme="dark"] .tool-intro-header{background:linear-gradient(135deg,rgba(255,107,53,0.08) 0%,rgba(124,58,237,0.08) 100%);}
[data-theme="dark"] .tool-intro-header:hover{background:linear-gradient(135deg,rgba(255,107,53,0.12) 0%,rgba(124,58,237,0.12) 100%);}
[data-theme="dark"] .tool-intro-body .intro-features li{background:rgba(255,107,53,0.08);border-color:rgba(255,107,53,0.15);}
[data-theme="dark"] .tool-intro-body .intro-scenes li{background:rgba(255,255,255,0.03);}
@media(max-width:768px){
  .tool-intro{margin-top:16px;border-radius:14px;}
  .tool-intro-header{padding:12px 14px;font-size:13px;}
  .tool-intro-header .intro-icon{width:26px;height:26px;font-size:13px;}
  .tool-intro-body{padding:14px 16px 16px;font-size:13px;line-height:1.65;}
  .tool-intro-body h4{font-size:13px;margin:14px 0 8px;}
  .tool-intro-body .intro-features li{font-size:12px;padding:5px 10px;}
  .tool-intro-body .intro-scenes{grid-template-columns:1fr;gap:6px;}
  .tool-intro-body .intro-scenes li{font-size:12.5px;padding:7px 10px;}
  .tool-intro-body .intro-faq-q{font-size:13px;}
  .tool-intro-body .intro-faq-a{font-size:12.5px;padding-left:22px;}
}


/* 功能特点 - 标签化 */
.tool-intro-body .intro-features{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px;}
.tool-intro-body .intro-features li{padding:6px 12px;background:linear-gradient(135deg,rgba(255,107,53,0.06) 0%,rgba(124,58,237,0.06) 100%);border:1px solid rgba(255,107,53,0.12);border-radius:20px;font-size:12.5px;color:var(--text-secondary);font-weight:500;transition:all 0.2s;}
.tool-intro-body .intro-features li:hover{border-color:rgba(255,107,53,0.25);transform:translateY(-1px);}
/* 使用场景 - 带图标列表 */
.tool-intro-body .intro-scenes{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.tool-intro-body .intro-scenes li{padding:8px 12px;background:var(--result-bg);border-radius:10px;font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:6px;transition:all 0.2s;border:1px solid transparent;}
.tool-intro-body .intro-scenes li:hover{border-color:var(--border);transform:translateX(2px);}
.tool-intro-body .intro-scenes li::before{content:'\2192';color:var(--primary);font-weight:700;font-size:14px;flex-shrink:0;}
/* 常见问题 - 卡片式 */
.tool-intro-body .intro-faq-item{margin:8px 0;padding:12px 14px;background:var(--result-bg);border-radius:10px;border-left:3px solid var(--primary);transition:all 0.2s;}
.tool-intro-body .intro-faq-item:hover{border-left-color:var(--secondary);box-shadow:0 2px 8px rgba(0,0,0,0.04);}
.tool-intro-body .intro-faq-q{font-weight:600;color:var(--heading);font-size:13.5px;margin-bottom:4px;display:flex;align-items:flex-start;gap:6px;}
.tool-intro-body .intro-faq-q::before{content:'Q';display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:5px;background:var(--gradient-primary);color:#fff;font-size:11px;font-weight:700;flex-shrink:0;margin-top:1px;}
.tool-intro-body .intro-faq-a{font-size:13px;color:var(--text-secondary);line-height:1.7;padding-left:24px;}
[data-theme="dark"] .tool-intro-header{background:linear-gradient(135deg,rgba(255,107,53,0.08) 0%,rgba(124,58,237,0.08) 100%);}
[data-theme="dark"] .tool-intro-header:hover{background:linear-gradient(135deg,rgba(255,107,53,0.12) 0%,rgba(124,58,237,0.12) 100%);}
[data-theme="dark"] .tool-intro-body .intro-features li{background:rgba(255,107,53,0.08);border-color:rgba(255,107,53,0.15);}
[data-theme="dark"] .tool-intro-body .intro-scenes li{background:rgba(255,255,255,0.03);}
@media(max-width:768px){
  .tool-intro{margin-top:16px;border-radius:14px;}
  .tool-intro-header{padding:12px 14px;font-size:13px;}
  .tool-intro-header .intro-icon{width:26px;height:26px;font-size:13px;}
  .tool-intro-body{padding:14px 16px 16px;font-size:13px;line-height:1.65;}
  .tool-intro-body h4{font-size:13px;margin:14px 0 8px;}
  .tool-intro-body .intro-features li{font-size:12px;padding:5px 10px;}
  .tool-intro-body .intro-scenes{grid-template-columns:1fr;gap:6px;}
  .tool-intro-body .intro-scenes li{font-size:12.5px;padding:7px 10px;}
  .tool-intro-body .intro-faq-q{font-size:13px;}
  .tool-intro-body .intro-faq-a{font-size:12.5px;padding-left:22px;}
}

/* 工具介绍区块（SEO） */
.tool-intro{max-width:960px;margin:20px auto 0;border:1px solid var(--border);border-radius:16px;overflow:hidden;background:var(--card-bg);box-shadow:var(--shadow-sm);transition:box-shadow 0.25s,border-color 0.25s;}
.tool-intro:hover{box-shadow:var(--shadow);border-color:rgba(255,107,53,0.2);}
.tool-intro-header{padding:14px 18px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:14px;color:var(--heading);background:linear-gradient(135deg,rgba(255,107,53,0.04) 0%,rgba(124,58,237,0.04) 100%);transition:background 0.2s;user-select:none;position:relative;}
.tool-intro-header::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--gradient-primary);}
.tool-intro-header:hover{background:linear-gradient(135deg,rgba(255,107,53,0.08) 0%,rgba(124,58,237,0.08) 100%);}
.tool-intro-header .intro-icon-wrap{display:inline-flex;align-items:center;gap:8px;}
.tool-intro-header .intro-icon{width:28px;height:28px;border-radius:8px;background:var(--gradient-primary);display:inline-flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;box-shadow:0 2px 8px rgba(255,107,53,0.2);}
.tool-intro-header .arrow{transition:transform 0.3s cubic-bezier(0.4,0,0.2,1);font-size:11px;color:var(--text-muted);width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:6px;background:var(--bg-hover);}
.tool-intro.open .tool-intro-header .arrow{transform:rotate(180deg);background:var(--bg-active);color:var(--primary);}
.tool-intro-body{display:none;padding:18px 20px 20px;font-size:14px;line-height:1.75;color:var(--text-secondary);}
.tool-intro.open .tool-intro-body{display:block;animation:introFadeIn 0.3s ease;}
@keyframes introFadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}
.tool-intro-body h4{font-size:14px;font-weight:600;color:var(--heading);margin:18px 0 10px;display:flex;align-items:center;gap:6px;}
.tool-intro-body h4:first-child{margin-top:0;}
.tool-intro-body h4 .h4-icon{font-size:15px;}
.tool-intro-body>p{margin:0 0 4px;color:var(--text-secondary);font-size:13.5px;}
/* 功能特点 - 标签化 */
.tool-intro-body .intro-features{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px;}
.tool-intro-body .intro-features li{padding:6px 12px;background:linear-gradient(135deg,rgba(255,107,53,0.06) 0%,rgba(124,58,237,0.06) 100%);border:1px solid rgba(255,107,53,0.12);border-radius:20px;font-size:12.5px;color:var(--text-secondary);font-weight:500;transition:all 0.2s;}
.tool-intro-body .intro-features li:hover{border-color:rgba(255,107,53,0.25);transform:translateY(-1px);}
/* 使用场景 - 带图标列表 */
.tool-intro-body .intro-scenes{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.tool-intro-body .intro-scenes li{padding:8px 12px;background:var(--result-bg);border-radius:10px;font-size:13px;color:var(--text-secondary);display:flex;align-items:center;gap:6px;transition:all 0.2s;border:1px solid transparent;}
.tool-intro-body .intro-scenes li:hover{border-color:var(--border);transform:translateX(2px);}
.tool-intro-body .intro-scenes li::before{content:'\2192';color:var(--primary);font-weight:700;font-size:14px;flex-shrink:0;}
/* 常见问题 - 卡片式 */
.tool-intro-body .intro-faq-item{margin:8px 0;padding:12px 14px;background:var(--result-bg);border-radius:10px;border-left:3px solid var(--primary);transition:all 0.2s;}
.tool-intro-body .intro-faq-item:hover{border-left-color:var(--secondary);box-shadow:0 2px 8px rgba(0,0,0,0.04);}
.tool-intro-body .intro-faq-q{font-weight:600;color:var(--heading);font-size:13.5px;margin-bottom:4px;display:flex;align-items:flex-start;gap:6px;}
.tool-intro-body .intro-faq-q::before{content:'Q';display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:5px;background:var(--gradient-primary);color:#fff;font-size:11px;font-weight:700;flex-shrink:0;margin-top:1px;}
.tool-intro-body .intro-faq-a{font-size:13px;color:var(--text-secondary);line-height:1.7;padding-left:24px;}
[data-theme="dark"] .tool-intro-header{background:linear-gradient(135deg,rgba(255,107,53,0.08) 0%,rgba(124,58,237,0.08) 100%);}
[data-theme="dark"] .tool-intro-header:hover{background:linear-gradient(135deg,rgba(255,107,53,0.12) 0%,rgba(124,58,237,0.12) 100%);}
[data-theme="dark"] .tool-intro-body .intro-features li{background:rgba(255,107,53,0.08);border-color:rgba(255,107,53,0.15);}
[data-theme="dark"] .tool-intro-body .intro-scenes li{background:rgba(255,255,255,0.03);}
@media(max-width:768px){
  .tool-intro{margin-top:16px;border-radius:14px;}
  .tool-intro-header{padding:12px 14px;font-size:13px;}
  .tool-intro-header .intro-icon{width:26px;height:26px;font-size:13px;}
  .tool-intro-body{padding:14px 16px 16px;font-size:13px;line-height:1.65;}
  .tool-intro-body h4{font-size:13px;margin:14px 0 8px;}
  .tool-intro-body .intro-features li{font-size:12px;padding:5px 10px;}
  .tool-intro-body .intro-scenes{grid-template-columns:1fr;gap:6px;}
  .tool-intro-body .intro-scenes li{font-size:12.5px;padding:7px 10px;}
  .tool-intro-body .intro-faq-q{font-size:13px;}
  .tool-intro-body .intro-faq-a{font-size:12.5px;padding-left:22px;}
}

/* 工具注意事项区块 */
.tool-notes{margin-top:16px;border-radius:12px;background:linear-gradient(135deg,rgba(255,107,53,0.04) 0%,rgba(124,58,237,0.04) 100%);border:1px solid rgba(255,107,53,0.12);padding:14px 16px;}
.tool-notes-title{font-size:13px;font-weight:600;color:var(--heading);margin-bottom:8px;display:flex;align-items:center;gap:6px;}
.tool-notes ul{margin:0;padding-left:18px;font-size:12.5px;color:var(--text-secondary);line-height:1.7;}
.tool-notes li{margin-bottom:3px;}
[data-theme="dark"] .tool-notes{background:rgba(255,107,53,0.06);}


/* UI 个性化：主题色强调 */
.tool-card-accent{border-top:3px solid var(--tool-accent,#FF6B35);}
.tool-header-gradient{background:linear-gradient(135deg,rgba(255,107,53,0.06) 0%,rgba(124,58,237,0.06) 100%);}
.tool-accent-btn{background:linear-gradient(135deg,var(--tool-accent,#FF6B35),var(--tool-accent-dark,#E55A25));}

/* 输入校验与键盘提示 */
.input-error{border-color:var(--danger)!important;box-shadow:0 0 0 3px rgba(239,68,68,0.12)!important;background:rgba(239,68,68,0.04)!important;}
.input-error:focus{border-color:var(--danger)!important;}
kbd{
  display:inline-block;padding:2px 6px;font-size:12px;font-family:inherit;
  background:var(--bg-hover);border:1px solid var(--border);border-radius:6px;
  box-shadow:0 1px 0 var(--border);color:var(--text-secondary);margin:0 2px;
}
[data-theme="dark"] kbd{background:var(--bg-active);border-color:var(--border);}

/* 更强的焦点环，提升键盘导航可访问性 */
*:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}

/* 平滑过渡 */
.card,.data-card,.stat-card,.btn,.history-item,.tool-intro{
  transition:transform 0.2s ease,box-shadow 0.2s ease,border-color 0.2s ease;
}

/* 空状态统一 */
.empty-state{text-align:center;padding:32px 20px;color:var(--text-muted);font-size:14px;}
.empty-state svg,.empty-state .icon{font-size:40px;margin-bottom:12px;opacity:0.6;}

/* 结果区域动效 */
.result-box:empty{display:none;}
.result-box:empty + .info-box{margin-top:0;}

/* 移动端工具卡片 2 列网格兜底 */
@media(max-width:768px){
  .data-grid{grid-template-columns:repeat(2,1fr)!important;}
  .input-row .btn[title="互换 A/B"],.input-row .btn[aria-label="互换 A/B"]{align-self:flex-end;margin-bottom:8px;}
}

/* === SEO: 面包屑导航 === */
.breadcrumb{
  padding:8px 16px;
  font-size:13px;
  color:var(--text-muted);
  display:flex;
  align-items:center;
  gap:4px;
  flex-wrap:wrap;
  max-width:960px;
  margin:0 auto;
}
.breadcrumb a{
  color:var(--text-secondary);
  text-decoration:none;
  transition:color 0.2s;
}
.breadcrumb a:hover{
  color:var(--primary);
}
.breadcrumb .bc-sep{
  color:var(--text-muted);
  opacity:0.6;
  font-size:12px;
}
.breadcrumb .bc-current{
  color:var(--text-primary);
  font-weight:500;
}

/* === SEO: 深度解析 === */
.deep-dive{
  max-width:960px;
  margin:16px auto;
  padding:0 16px;
}
.deep-dive > .card{
  margin-bottom:0;
}
@media(max-width:600px){
  .deep-dive{
    margin:14px auto;
    padding:0 12px;
  }
}

/* === SEO: 相关工具 === */
.related-tools{
  max-width:960px;
  margin:16px auto;
  padding:0 16px;
}
.related-tools-title{
  font-size:16px;
  font-weight:600;
  margin-bottom:12px;
  color:var(--text-primary);
}
.related-tools-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:10px;
  align-items:stretch;
  grid-auto-rows:1fr;
}
.related-tool-card{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 14px;
  background:var(--bg-card);
  border:1px solid var(--border-color);
  border-radius:12px;
  text-decoration:none;
  color:var(--text-primary);
  transition:all 0.2s;
  min-height:56px;
  min-width:0;        /* 修复 grid 子项 min-width:auto 被超长文案撑爆导致整页横向溢出 */
}
.related-tool-card:hover{
  border-color:var(--primary);
  transform:translateX(3px);
  box-shadow:0 2px 8px rgba(255,107,53,0.1);
}
.related-tool-card .rt-icon{
  font-size:20px;
  flex-shrink:0;
}
.related-tool-card .rt-info{
  display:flex;
  flex-direction:column;
  gap:2px;
  overflow:hidden;
  min-width:0;       /* 配合父级 min-width:0，使 .rt-name 省略号生效，防超长文案撑破卡片 */
}
.related-tool-card .rt-name{
  font-size:14px;
  font-weight:500;
  overflow-wrap:anywhere;
  word-break:break-word;
}
.related-tool-card .rt-desc{
  font-size:12px;
  color:var(--text-muted);
  overflow-wrap:anywhere;
  word-break:break-word;
}

/* === SEO: 分类聚合页 === */
.category-tool-list{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:12px;
  align-items:stretch;
  grid-auto-rows:1fr;
}
/* 分类页工具卡片复用顶部分类下拉样式（tb-megapanel-tool-card / nav-menu.css）：
   图标 + 名称 + 描述，视觉与顶部分类展示完全一致。
   名称与描述各含中/英两层（.t-zh/.t-en），由 html[lang] 切换显隐，保持双语不退化。 */
/* 分类卡片中/英双显：仅 en-US 显示英文，zh-CN/zh-TW 均显示中文层（含繁体） */
html[lang="en-US"] .cat-tool .t-zh{display:none !important;}
/* 分类落地页正文（栏目简介/核心功能/FAQ）双语显隐，同 .cat-tool 机制 */
html[lang="en-US"] .tool-intro .t-zh{display:none !important;}
html:not([lang="en-US"]) .tool-intro .t-en{display:none !important;}
/* 通用双语层（分类页 h1/h2/面包屑/导航的行业名）：.tb-bi 容器内 t-zh/t-en 由 html[lang] 切换 */
html[lang="en-US"] .tb-bi .t-zh{display:none !important;}
html:not([lang="en-US"]) .tb-bi .t-en{display:none !important;}
html:not([lang="en-US"]) .cat-tool .t-en{display:none !important;}

/* 分类卡片基础外观：JS 未加载时静态链接也好看、可被搜索引擎抓取；
   JS 加载后 .tb-megapanel-tool-card（nav-menu.css）接管完整外观，二者视觉一致 */
.cat-tool{
  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  padding:14px;
  border-radius:14px;
  background:var(--card);
  border:1px solid var(--border);
  text-decoration:none;
  color:var(--text-primary);
  transition:border-color .2s,box-shadow .2s;
  min-width:0;       /* 修复 grid item 默认 min-width:auto 被内容撑爆，导致分类落地页卡片在移动端横向溢出 */
}
.cat-tool:hover{border-color:rgba(255,107,53,.25);box-shadow:0 8px 20px rgba(16,24,40,.06);}
.cat-tool .t-zh{font-weight:600;font-size:14px;line-height:1.3;}
.cat-tool .t-zh-desc{
  font-size:12px;color:var(--text-muted);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

@media(max-width:768px){
  .related-tools-grid{grid-template-columns:1fr;}
  .related-tool-card{min-height:52px;}
  .category-tool-list{grid-template-columns:1fr;}
  .cat-tool{min-height:52px;}
  .breadcrumb{padding:8px 12px;}
}

/* ===== 结果可视化图表 ===== */
.chart-box{margin:16px 0;padding:14px 16px;background:var(--result-bg);border:1px solid var(--border);border-radius:12px;}
.chart-box canvas{display:block;width:100%;max-width:520px;margin:0 auto;height:auto;}
.chart-box .chart-cap{text-align:center;font-size:12px;color:var(--text-muted);margin-top:6px;}
.viz-canvas{display:block;width:100%;max-width:480px;margin:12px auto 0;}

/* ===== 公式 / 计算说明面板 ===== */
.formula-box{margin:16px 0;padding:14px 16px;background:linear-gradient(135deg,rgba(124,58,237,0.05) 0%,rgba(255,107,53,0.05) 100%);border:1px solid rgba(124,58,237,0.14);border-radius:12px;}
.formula-box .formula-title{font-size:13px;font-weight:600;color:var(--heading);margin-bottom:8px;display:flex;align-items:center;gap:6px;}
.formula-box .formula-eq{font-family:'SF Mono',ui-monospace,Menlo,Consolas,monospace;font-size:14px;color:var(--text);background:var(--card);border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin-bottom:8px;overflow-x:auto;line-height:1.7;}
.formula-box .formula-desc{font-size:12.5px;color:var(--text-secondary);line-height:1.7;margin:0;}

/* ===== 嵌入模式（iframe 嵌入时隐藏导航等界面元素） ===== */
html.embedded .nav,
html.embedded .breadcrumb,
html.embedded .privacy-badge{display:none !important;}
html.embedded body{padding-top:0 !important;}
html.embedded .container{padding-top:8px;}
html.embedded .card{border:none;box-shadow:none;}

/* ===== 相关工具推荐 ===== */
.related-tools .rt-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;}
.related-tools .rt-item{display:flex;align-items:center;gap:8px;padding:10px 12px;background:var(--result-bg);border:1px solid var(--border);border-radius:10px;color:var(--text);text-decoration:none;font-size:13px;transition:all .18s;min-width:0;}
.related-tools .rt-item:hover{border-color:var(--primary);background:var(--bg-hover);transform:translateY(-1px);}
.related-tools .rt-ico{font-size:16px;flex-shrink:0;}

/* ===== Q1 工具结果区辅助样式（生成器范式共用） ===== */
.result-title{font-size:14px;font-weight:700;color:var(--heading);margin:14px 0 6px;display:flex;align-items:center;gap:6px;}
.result-title:first-child{margin-top:0;}
.big-result{font-size:22px;font-weight:800;color:var(--primary);background:var(--result-bg);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin-bottom:8px;line-height:1.4;}
.big-result b{color:var(--primary-dark);}
.muted{font-size:12.5px;color:var(--text-muted);margin:4px 0 0;}
.code-block{display:block;white-space:pre;overflow-x:auto;font-family:'SF Mono',ui-monospace,Menlo,Consolas,monospace;font-size:13px;line-height:1.6;background:#1e1e2e;color:#e6e6e6;padding:14px 16px;border-radius:12px;margin:8px 0;}
body.dark .code-block{background:#0f0f1e;}
.flex-prev{background:var(--result-bg);border:1px dashed var(--border);border-radius:12px;padding:14px;min-height:120px;}
.flex-prev .fp-item{flex:0 0 auto;min-width:54px;height:54px;display:flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border-radius:10px;font-weight:700;font-size:15px;}
.ref-table{width:100%;border-collapse:collapse;font-size:13px;margin:8px 0;}
.ref-table th,.ref-table td{border:1px solid var(--border);padding:6px 10px;text-align:left;}
.ref-table th{background:var(--th-bg);font-weight:600;color:var(--heading);}
.ref-table tr:nth-child(even){background:var(--bg-hover);}
.ref-table td code{font-family:'SF Mono',ui-monospace,Menlo,Consolas,monospace;font-size:12px;}
.tool-ref{margin-top:18px;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;}
.tool-ref h3{font-size:14px;font-weight:700;color:var(--heading);margin:0 0 8px;}
.tool-ref p{font-size:12.5px;color:var(--text-secondary);line-height:1.7;margin:6px 0;}
.emoji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:8px;margin-top:4px;}
.emoji-cell{display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 6px;border:1px solid var(--border);border-radius:10px;background:var(--bg-card);cursor:pointer;transition:.15s;font-family:inherit;}
.emoji-cell:hover{border-color:var(--primary);background:var(--bg-hover);transform:translateY(-2px);}
.emoji-cell .ec{font-size:24px;line-height:1;}
.emoji-cell .en{font-size:11px;color:var(--text-muted);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sym-table{width:100%;border-collapse:collapse;font-size:13px;margin-top:4px;}
.sym-table th,.sym-table td{border:1px solid var(--border);padding:7px 10px;text-align:left;vertical-align:middle;}
.sym-table th{background:var(--th-bg);font-weight:600;color:var(--heading);}
.sym-table tr:nth-child(even){background:var(--bg-hover);}
.sym-table .sym-ex{font-family:'Cambria Math','Times New Roman',serif;font-size:17px;color:var(--primary-dark);white-space:nowrap;}
.copy-btn{font-family:'SF Mono',ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;background:var(--result-bg);border:1px solid var(--border);border-radius:8px;padding:4px 8px;cursor:pointer;color:var(--heading);transition:.15s;}
.copy-btn:hover{border-color:var(--primary);background:var(--bg-hover);color:var(--primary);}
.code-list{display:flex;flex-direction:column;gap:8px;margin-top:6px;}
.code-row{display:flex;align-items:center;gap:10px;background:var(--result-bg);border:1px solid var(--border);border-radius:10px;padding:8px 10px;}
.code-row code{flex:1;font-family:'SF Mono',ui-monospace,Menlo,Consolas,monospace;font-size:13px;word-break:break-all;color:var(--heading);}
.code-row .copy-btn{flex:0 0 auto;}
.related-tools .rt-info{display:flex;flex-direction:column;gap:2px;overflow:hidden;min-width:0;}
.related-tools .rt-name{font-size:13px;font-weight:500;overflow-wrap:anywhere;word-break:break-word;}
.related-tools .rt-desc{font-size:11px;color:var(--text-muted);overflow-wrap:anywhere;word-break:break-word;}
@media(max-width:767px){.related-tools .rt-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}}

/* ===== 工具页 SEO 区块：使用指南 / 常见问题（原缺样式，导致末尾内容区裸排、与卡片不对齐） ===== */
.opt-guide,.opt-faq{max-width:960px;margin:28px auto;padding:22px 26px;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);color:var(--text-secondary);}
.opt-guide+.opt-faq,.opt-faq+.opt-guide{margin-top:20px;}
.opt-guide h2,.opt-faq h2{font-size:17px;font-weight:700;color:var(--heading);margin:18px 0 12px;padding:2px 0 2px 12px;border-left:4px solid var(--primary);line-height:1.4;}
.opt-guide h2:first-child,.opt-faq h2:first-child{margin-top:0;}
.opt-guide ol,.opt-guide ul.param-list{list-style:decimal;padding-left:24px;margin:0 0 12px;font-size:14px;line-height:1.85;}
.opt-guide ul.param-list{list-style:disc;}
.opt-guide ol li,.opt-guide ul.param-list li{margin:6px 0;}
.opt-guide p{font-size:14px;line-height:1.85;margin:0 0 12px;color:var(--text-secondary);}
.opt-faq dl.faq-list{margin:0;}
.opt-faq dl.faq-list dt{font-weight:600;color:var(--text);font-size:14.5px;margin:14px 0 6px;padding:8px 12px;background:var(--bg-hover);border-radius:var(--radius-sm);border-left:3px solid var(--accent);line-height:1.5;}
.opt-faq dl.faq-list dd{margin:0 0 12px 10px;padding:6px 0 10px;font-size:13.5px;line-height:1.8;color:var(--text-secondary);border-bottom:1px dashed var(--border);}
@media(max-width:767px){.opt-guide,.opt-faq{padding:16px 18px;}.opt-guide h2,.opt-faq h2{font-size:16px;}.opt-faq dl.faq-list dd{margin-left:4px;}}

/* ===== 长内容防溢出（P3 全站性修复）：深读/指南/FAQ 文本里的超长 URL、令牌、代码不可断行会撑爆移动端 ===== */
.deep-dive p,.deep-dive li,.deep-dive dd,.deep-dive .dd-ex-body,.deep-dive .dd-ex-title,
.opt-guide,.opt-faq,.tool-notes,.info-box,.formula-desc,.card p,
.formula-box,.formula-box li,.formula-box p,.formula-box code,.formula-box .formula-title,.formula-box .formula-eq{overflow-wrap:anywhere;word-break:break-word;}
code{overflow-wrap:anywhere;}
td,th{overflow-wrap:anywhere;}
/* .rt-name 在相关工具/公式列表等多处复用，长 SEO 串或长令牌不可断行会撑爆移动端：
   允许长令牌断行 + flex 子项可收缩（否则省略号/截断不生效） */
.rt-name{overflow-wrap:anywhere;min-width:0;}
.rt-info{display:flex;flex-direction:column;min-width:0;overflow:hidden;}
pre,.code-block{max-width:100%;overflow-x:auto;}
/* 内容区图片/SVG 不超过容器宽度，避免固定宽度的占位图/图示撑破移动端 */
.deep-dive img,.deep-dive svg,.opt-guide img,.opt-guide svg,.tool-notes img,.tool-notes svg,
.card img,.card svg{max-width:100%;height:auto;}

/* ===== B5-07 无障碍：键盘焦点可见性 ===== */
/* 鼠标点击不显示轮廓，但键盘 Tab 聚焦时给出清晰焦点环（WCAG 2.4.7 可见焦点） */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible,
.btn:focus-visible,
.nav-icon-btn:focus-visible,
.fav-btn:focus-visible,
.theme-btn:focus-visible,
.guide-link:focus-visible,
.privacy-badge:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:10px;
}
/* 隐藏默认 outline，避免与 focus-visible 轮廓叠加（仅对支持 focus-visible 的浏览器生效） */
@supports selector(:focus-visible){
  a:focus,
  button:focus,
  input:focus,
  select:focus,
  textarea:focus,
  [tabindex]:focus{outline:none;}
}

/* ===== B5-07 无障碍：尊重“减少动态效果”系统偏好 ===== */
@media (prefers-reduced-motion: reduce){
  *,
  *::before,
  *::after{
    animation-duration:0.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:0.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* ===== 工具页"使用指南"链接卡 ===== */
.tool-guide-link{max-width:960px;margin:14px auto 2px;padding:0 16px;}
/* A1: 语言切换下拉完整显示（不再被窄容器截断） */
.nav .lang-switcher{width:auto;flex-shrink:0;}
.nav .lang-switcher select{width:auto;min-width:84px;max-width:120px;appearance:none;-webkit-appearance:none;-moz-appearance:none;padding:6px 22px 6px 8px;background:transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%239CA3AF' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 8px center;color:inherit;font:inherit;cursor:pointer;border:none;outline:none;}
.nav .lang-switcher select:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

/* ===== 桌面顶栏主导航文字链接（"使用指南"等） ===== */
.nav-primary-link{display:inline-flex;align-items:center;height:36px;padding:0 14px;border-radius:10px;font-size:13px;font-weight:600;color:var(--text);background:linear-gradient(135deg,rgba(255,107,53,0.08),rgba(124,58,237,0.08));border:1px solid transparent;transition:all .2s;flex-shrink:0;text-decoration:none}
.nav-primary-link:hover{background:linear-gradient(135deg,rgba(255,107,53,0.15),rgba(124,58,237,0.15));border-color:rgba(124,58,237,0.25);transform:translateY(-1px);color:var(--text)}
body.dark .nav-primary-link{color:#e2e8f0;background:linear-gradient(135deg,rgba(255,107,53,0.12),rgba(124,58,237,0.12))}
body.dark .nav-primary-link:hover{color:#fff}
.tool-guide-link a{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;border-radius:12px;background:linear-gradient(135deg,#FFF3ED,#F5EEFF);border:1px solid rgba(255,107,53,.2);color:#FF6B35;font-weight:700;text-decoration:none;font-size:14px;transition:all .25s cubic-bezier(.4,0,.2,1);}
.tool-guide-link a:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:rgba(255,107,53,.4);}
.tool-guide-link a:active{transform:translateY(0);}

/* 响应式工具类：桌面/移动显隐（首页内联同款，保持全站一致） */
.desktop-only{display:none}
@media(min-width:768px){
  .desktop-only{display:flex}
  .mobile-only{display:none!important}
}
@media(max-width:767px){.desktop-only{display:none!important}.mobile-only{display:flex}}

/* ===== Performance-A：裸 <pre> 移动端横向溢出兜底 =====
   工具页/指南页中未套 .code-block 类的裸 <pre>（如结果输出区、文本预览）在移动端长内容会撑破布局。
   统一加横向滚动且不超出父容器，与 .code-block 行为一致；不影响桌面端，也不影响已自带 overflow 的元素。 */
pre{overflow-x:auto;max-width:100%;}

/* ===== 分享与嵌入组件（外链增长） ===== */
.tb-share-embed{margin-top:20px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--card-bg);overflow:hidden}
.tb-se-head{display:flex;align-items:center;gap:10px;width:100%;padding:14px 16px;background:none;border:none;cursor:pointer;text-align:left;color:var(--text);font-size:14px;font-weight:600;font-family:inherit}
.tb-se-ico{display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:10px;background:var(--gradient-primary);color:#fff;flex:none}
.tb-se-ico svg{width:16px;height:16px}
.tb-se-txt{flex:1;min-width:0}
.tb-se-txt small{display:block;font-weight:400;font-size:12px;color:var(--text-muted);margin-top:2px;line-height:1.5}
.tb-se-caret{flex:none;display:flex;color:var(--text-muted);transition:transform .25s}
.tb-share-embed.open .tb-se-caret{transform:rotate(180deg)}
.tb-se-body{display:none;padding:0 16px 16px}
.tb-share-embed.open .tb-se-body{display:block}
.tb-se-tabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.tb-se-tab{flex:none;padding:7px 14px;border-radius:999px;border:1px solid var(--border);background:none;color:var(--text-muted);font-size:13px;cursor:pointer;font-family:inherit}
.tb-se-tab.active{background:var(--gradient-primary);color:#fff;border-color:transparent}
.tb-se-panel{display:none}
.tb-se-panel.active{display:block}
.tb-se-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:10px;font-size:13px;color:var(--text-muted)}
.tb-se-row label{display:inline-flex;align-items:center;gap:6px}
.tb-se-row select{padding:6px 10px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);font-size:13px;font-family:inherit}
.tb-se-code{margin:0}
.tb-se-code pre{margin:0;padding:14px;border-radius:var(--radius-md);background:#1E1E2E;color:#E5E7EB;font-size:12px;line-height:1.6;overflow-x:auto;white-space:pre;font-family:ui-monospace,Menlo,Consolas,monospace}
.tb-se-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.tb-se-btn{display:inline-flex;align-items:center;padding:8px 14px;border-radius:10px;border:1px solid var(--border);background:none;color:var(--text);font-size:13px;cursor:pointer;text-decoration:none;font-family:inherit}
.tb-se-btn:hover{border-color:var(--primary);color:var(--primary)}
.tb-se-btn.primary{background:var(--gradient-primary);color:#fff;border-color:transparent}
.tb-se-btn.primary:hover{color:#fff;opacity:.92}
.tb-se-tip{margin-top:10px;font-size:12px;color:var(--text-muted);line-height:1.6}
.tb-se-link{display:flex;gap:8px;align-items:center;margin:10px 0 12px}
.tb-se-link input{flex:1;min-width:0;padding:9px 12px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);font-size:13px;font-family:inherit}
.tb-se-social{display:flex;gap:8px;flex-wrap:wrap}
.tb-se-social a{padding:8px 14px;border-radius:10px;border:1px solid var(--border);font-size:13px;color:var(--text);text-decoration:none}

/* ===== 统一时间输入 =====
   部分 Chromium 环境会把原生 input[type=time] 弹层绘制成重叠的时钟图标。
   用轻量本地选择器替代原生弹层，输入值仍保持 HH:mm / HH:mm:ss。 */
.tb-time-control{position:relative;display:inline-flex;align-items:center;max-width:100%;vertical-align:middle;}
.tb-time-control>input{padding-right:38px;}
.tb-time-trigger{position:absolute;right:4px;top:50%;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;transform:translateY(-50%);border:0;border-radius:8px;background:transparent;color:var(--text-muted);cursor:pointer;font-size:16px;line-height:1;}
.tb-time-trigger:hover,.tb-time-trigger:focus-visible{background:var(--bg-hover);color:var(--primary);outline:none;}
.tb-time-picker{position:absolute;z-index:1000;top:calc(100% + 6px);left:0;display:none;min-width:220px;padding:12px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--card-bg);box-shadow:var(--shadow-md);}
.tb-time-control.open .tb-time-picker{display:block;}
.tb-time-fields{display:flex;align-items:center;gap:6px;}
.tb-time-fields select{min-width:64px;padding:8px 7px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font:inherit;}
.tb-time-fields select:focus{border-color:var(--primary);outline:2px solid rgba(255,107,53,.16);}
.tb-time-separator{color:var(--text-secondary);font-weight:700;}
.tb-time-apply{width:100%;margin-top:10px;padding:8px 12px;border:0;border-radius:8px;background:var(--gradient-primary);color:#fff;font:inherit;font-size:13px;font-weight:600;cursor:pointer;}
.tb-time-apply:hover{opacity:.92;}
@media(max-width:640px){
  .tb-time-picker{position:fixed;top:auto;left:50%;bottom:16px;transform:translateX(-50%);width:min(300px,calc(100vw - 32px));}
}

/* ===== ToolBox 通用工具体验增强 (js/tool-ux.js) ===== */
.tool-ux-bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:6px 0 10px;}
.tool-ux-bar .btn{flex:0 0 auto;}
/* 输入校验友好提示：失焦且非法时红框 + 具体原因（title 承载） */
.ux-field-error{border-color:var(--danger) !important;box-shadow:0 0 0 2px rgba(239,68,68,.12);outline:none;}
.ux-field-error:focus{box-shadow:0 0 0 3px rgba(239,68,68,.20);}
@media (max-width:768px){
  .tool-ux-bar{gap:6px;}
  .tool-ux-bar .btn{flex:1 1 calc(50% - 3px);min-width:calc(50% - 3px);justify-content:center;padding:9px 10px;font-size:12px;}
}

/* ===== 统一下拉组件 TbSelect（全站渐进增强，替代原生 select 弹层） ===== */
.tb-select{position:relative;display:inline-block;width:100%;}
.tb-select>select{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;opacity:0;pointer-events:none;}
.tb-select-trigger{
  width:100%;padding:12px 40px 12px 14px;min-height:46px;
  border:1.5px solid var(--border);border-radius:12px;background:var(--card-bg);color:var(--text);
  font-size:14px;font-family:inherit;line-height:1.4;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  transition:border-color .2s,box-shadow .2s;appearance:none;-webkit-appearance:none;
}
.tb-select-trigger:hover{border-color:var(--primary);}
.tb-select.open .tb-select-trigger,.tb-select-trigger:focus-visible{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,107,53,.12);outline:none;}
.tb-select-value{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;}
.tb-select-placeholder{color:var(--text-muted);}
.tb-select-caret{flex-shrink:0;width:18px;height:18px;color:var(--text-muted);transition:transform .2s;display:inline-flex;}
.tb-select.open .tb-select-caret{transform:rotate(180deg);color:var(--primary);}
.tb-select-popup{position:absolute;z-index:1000;top:calc(100% + 6px);left:0;right:0;display:none;
  background:var(--card-bg);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-md);
  padding:6px;max-height:280px;overflow:auto;}
.tb-select.open .tb-select-popup{display:block;animation:tbPopIn .15s ease;}
@keyframes tbPopIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}
.tb-select-search{width:100%;padding:8px 10px;margin-bottom:6px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);font-size:13px;font-family:inherit;}
.tb-select-search:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 2px rgba(255,107,53,.12);}
.tb-select-option{padding:10px 12px;border-radius:8px;font-size:14px;color:var(--text);cursor:pointer;display:flex;align-items:center;gap:8px;transition:background .15s;}
.tb-select-option:hover,.tb-select-option.active{background:var(--bg-hover);}
.tb-select-option[aria-selected="true"]{background:var(--bg-active);color:var(--primary);font-weight:600;}
.tb-select-option .tb-opt-check{margin-left:auto;opacity:0;}
.tb-select-option[aria-selected="true"] .tb-opt-check{opacity:1;}
.tb-select-empty{padding:12px;text-align:center;color:var(--text-muted);font-size:13px;}
.tb-select.capsule .tb-select-trigger{border-radius:999px;padding-left:18px;padding-right:42px;}
.tb-select.underline .tb-select-trigger{border:0;border-bottom:1.5px solid var(--border);border-radius:0;padding:8px 2px;background:transparent;}
.tb-select.underline.open .tb-select-trigger,.tb-select.underline .tb-select-trigger:focus-visible{box-shadow:none;border-bottom-color:var(--primary);}
@media(max-width:640px){
  .tb-select-popup{position:fixed;top:auto;left:50%;bottom:16px;transform:translateX(-50%);width:min(360px,calc(100vw - 32px));max-height:50vh;}
}

/* ===== 统一日期组件 TbDatePicker（全站渐进增强，替代原生 date 弹层） ===== */
.tb-date{position:relative;display:inline-block;width:100%;}
.tb-date>input[type="date"]{width:100%;}
.tb-date input[type="date"].tb-date-enhanced{-webkit-appearance:none;appearance:none;background-image:none;}
.tb-date input[type="date"].tb-date-enhanced::-webkit-calendar-picker-indicator{display:none!important;opacity:0!important;-webkit-appearance:none;appearance:none;}
.tb-date-trigger{position:absolute;right:4px;top:50%;transform:translateY(-50%);width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;background:transparent;color:var(--primary);cursor:pointer;font-size:16px;line-height:1;}
.tb-date-trigger:hover,.tb-date-trigger:focus-visible{background:var(--bg-hover);outline:none;}
.tb-date-popup{position:absolute;z-index:1000;top:calc(100% + 6px);left:0;display:none;width:300px;padding:14px;background:var(--card-bg);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-md);}
.tb-date.open .tb-date-popup{display:block;animation:tbPopIn .15s ease;}
.tb-date-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px;}
.tb-date-nav{width:32px;height:32px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text);cursor:pointer;font-size:15px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;}
.tb-date-nav:hover{border-color:var(--primary);color:var(--primary);}
.tb-date-title{flex:1;display:flex;align-items:center;justify-content:center;gap:4px;font-size:14px;font-weight:600;color:var(--heading);}
.tb-date-title select{border:0;background:transparent;font:inherit;font-weight:600;color:var(--heading);cursor:pointer;width:auto;padding:2px 4px;border-radius:6px;}
.tb-date-title select:focus-visible{outline:2px solid var(--primary);outline-offset:1px;}
.tb-date-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;}
.tb-date-dow{font-size:11px;color:var(--text-muted);text-align:center;padding:4px 0;}
.tb-date-cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;font-size:13px;border-radius:8px;cursor:pointer;color:var(--text);transition:background .15s;}
.tb-date-cell:hover{background:var(--bg-hover);}
.tb-date-cell.muted{color:var(--text-muted);opacity:.5;}
.tb-date-cell.today{box-shadow:inset 0 0 0 1.5px var(--accent);}
.tb-date-cell.selected{background:var(--gradient-primary);color:#fff;font-weight:600;}
.tb-date-cell:focus-visible{outline:2px solid var(--primary);outline-offset:1px;}
.tb-date-foot{margin-top:10px;display:flex;justify-content:space-between;align-items:center;}
.tb-date-today-btn,.tb-date-clear-btn{font-size:12px;background:none;border:0;cursor:pointer;font-family:inherit;}
.tb-date-today-btn{color:var(--primary);}
.tb-date-clear-btn{color:var(--text-muted);}
.tb-date.inline .tb-date-popup{position:static;display:block;box-shadow:none;border:0;padding:0;width:100%;animation:none;}
.tb-date.inline .tb-date-trigger{display:none;}
@media(max-width:640px){
  .tb-date-popup{position:fixed;top:auto;left:50%;bottom:16px;transform:translateX(-50%);width:min(340px,calc(100vw - 32px));}
}

/* ===== 现代化原子组件（供分类批次复用） ===== */
.tb-segmented{display:inline-flex;padding:3px;gap:3px;background:var(--bg-hover);border:1px solid var(--border);border-radius:12px;max-width:100%;overflow-x:auto;}
.tb-segmented button{flex:1 0 auto;padding:8px 14px;border:0;border-radius:9px;background:transparent;color:var(--text-secondary);font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;transition:all .18s;white-space:nowrap;}
.tb-segmented button.active{background:var(--card-bg);color:var(--primary);box-shadow:var(--shadow-sm);font-weight:600;}
.tb-segmented button:hover:not(.active){color:var(--primary);}
.tb-copy-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:8px;background:var(--result-bg);color:var(--text);font-size:12.5px;cursor:pointer;font-family:inherit;transition:all .15s;}
.tb-copy-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--bg-hover);}
.field-error{color:var(--danger);font-size:12px;margin-top:4px;display:flex;align-items:center;gap:4px;}