.list_tool{
  --primary:#1D6A90;
  --primary-dark:#103F59;
  --primary-light:#3FA0C9;
  --primary-50:rgba(29,106,144,0.05);
  --primary-100:rgba(29,106,144,0.10);
  --accent:#FF8A3D;
  --bg:#F3F8FC;
  --card:#FFFFFF;
  --text:#133347;
  --text-2:#496478;
  --text-3:#87A0B2;
  --border:#DFE9EF;
  --shadow-sm:0 2px 8px rgba(29,106,144,0.06);
  --shadow-md:0 8px 24px rgba(29,106,144,0.10);
  --shadow-lg:0 16px 48px rgba(16,63,89,0.16);
  --radius-sm:6px;
  --radius-md:10px;
  --radius-lg:16px;
  --transition:all 0.25s cubic-bezier(.4,0,.2,1);
  font-size:14px;color:var(--text);
  background:linear-gradient(180deg,#EAF2F8 0%,#F3F8FC 30%,#F8FBFD 100%);
  min-height:100vh;line-height:1.6;width:100%;
  padding-top:100px;
}
.list_tool a{text-decoration:none;color:inherit}
.list_tool .page-header{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 55%,var(--primary-light) 100%);color:#fff;position:relative;overflow:hidden}
.list_tool .page-header::before{content:"";position:absolute;top:-50%;right:-10%;width:500px;height:500px;background:radial-gradient(circle,rgba(255,255,255,0.12) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.list_tool .page-header::after{content:"";position:absolute;bottom:-40%;left:-5%;width:360px;height:360px;background:radial-gradient(circle,rgba(63,160,201,0.35) 0%,transparent 65%);border-radius:50%;pointer-events:none}
.list_tool .page-header-inner{position:relative;z-index:1;max-width:1200px;margin:0 auto;padding:40px 24px 48px}
.list_tool .ph-top{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.list_tool .ph-icon{width:48px;height:48px;background:rgba(255,255,255,0.22);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,0.3)}
.list_tool .ph-icon svg{width:24px;height:24px;fill:#fff}
.list_tool .ph-title{font-size:26px;font-weight:700;letter-spacing:1px}
.list_tool .ph-desc{font-size:14px;color:rgba(255,255,255,0.88);padding-left:62px;margin-top:2px}
.list_tool .ph-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;padding-left:62px}
.list_tool .ph-tag{padding:5px 12px;background:rgba(255,255,255,0.18);border:1px solid rgba(255,255,255,0.28);color:#fff;font-size:12px}
.list_tool .layout{max-width:1200px;margin:-24px auto 40px;padding:0 20px;position:relative;z-index:2}
.list_tool .layout-grid{display:grid;grid-template-columns:240px 1fr;gap:24px}
.list_tool .sidebar{background:var(--card);box-shadow:var(--shadow-md);border:1px solid var(--border);position:sticky;top:16px;align-self:start}
.list_tool .side-head{padding:18px 20px;background:linear-gradient(135deg,rgba(29,106,144,0.06) 0%,rgba(63,160,201,0.08) 100%);border-bottom:1px solid var(--border)}
.list_tool .side-title{font-size:15px;font-weight:700;color:var(--primary-dark);display:flex;align-items:center;gap:6px}
.list_tool .side-title small{color:var(--text-3);font-size:11px;font-weight:500;margin-left:4px;letter-spacing:1px}
.list_tool .side-menu{list-style:none;padding:10px}
.list_tool .side-menu li{margin-bottom:4px}
.list_tool .side-menu a{display:flex;align-items:center;gap:10px;padding:11px 14px;color:var(--text-2);font-size:14px;font-weight:500;border-left:3px solid transparent;transition:var(--transition);cursor:pointer}
.list_tool .side-menu a:hover{background:var(--bg);color:var(--primary)}
.list_tool .side-menu a.active{background:rgba(29,106,144,0.09);color:var(--primary);border-left-color:var(--primary);font-weight:600}
.list_tool .side-icon{width:18px;height:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:currentColor;opacity:0.85}
.list_tool .side-icon svg{width:16px;height:16px;fill:currentColor}
.list_tool .mobile-tabs{display:none;background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden;margin-bottom:16px}
.list_tool .mobile-tabs-inner{display:flex;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.list_tool .mobile-tabs-inner::-webkit-scrollbar{display:none}
.list_tool .mtab{flex-shrink:0;padding:12px 18px;font-size:14px;font-weight:500;color:var(--text-2);border-bottom:2px solid transparent;white-space:nowrap;transition:var(--transition);cursor:pointer}
.list_tool .mtab.active{color:var(--primary);border-bottom-color:var(--primary);background:rgba(29,106,144,0.05)}
.list_tool .tool-card{background:var(--card);border:1px solid var(--border);box-shadow:var(--shadow-md);margin-bottom:0;overflow:hidden;display:none;opacity:0;transform:translateY(10px);transition:opacity 0.28s ease,transform 0.28s ease,box-shadow 0.3s}
.list_tool .tool-card.active{display:block}
.list_tool .tool-card.show{opacity:1;transform:translateY(0)}
.list_tool .tool-card:hover{box-shadow:var(--shadow-lg)}
.list_tool .tool-card-head{padding:22px 24px 18px;background:linear-gradient(135deg,#F6FAFC 0%,#EAF3F9 100%);border-bottom:1px solid var(--border);position:relative}
.list_tool .tool-card-head::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--primary)}
.list_tool .tc-title{font-size:20px;font-weight:700;color:var(--text);margin-bottom:6px;display:flex;align-items:center;gap:10px}
.list_tool .tc-title .tci{width:34px;height:34px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%)}
.list_tool .tc-title .tci svg{width:18px;height:18px;fill:#fff}
.list_tool .tc-desc{font-size:13px;color:var(--text-2);padding-left:44px;line-height:1.8}
.list_tool .tc-body{padding:24px}
.list_tool .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
.list_tool .form-row{display:flex;flex-direction:column;gap:6px}
.list_tool .form-row.full{grid-column:1/-1}
.list_tool .form-label{font-size:13px;font-weight:600;color:var(--text);display:flex;align-items:baseline;gap:4px}
.list_tool .form-label small{color:var(--text-3);font-weight:400;font-size:11px}
.list_tool .form-label.required::before{content:"*";color:#E53935;margin-right:2px}
.list_tool .form-input,.list_tool .form-select{height:42px;padding:0 14px;border:1.5px solid var(--border);background:#fff;color:var(--text);font-size:14px;outline:none;transition:var(--transition);border-radius:0;width:100%;font-family:inherit}
.list_tool .form-input:focus,.list_tool .form-select:focus{border-color:var(--primary);background:#F8FCFD;box-shadow:0 0 0 3px rgba(29,106,144,0.08)}
.list_tool .form-input[readonly]{background:#ECF4F9;color:var(--primary-dark);font-weight:700;font-size:15px;border-color:#C7DBE7;cursor:not-allowed}
.list_tool .form-input-unit{position:relative}
.list_tool .form-input-unit .unit{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:13px;pointer-events:none}
.list_tool .form-input-unit .form-input{padding-right:46px}
.list_tool .group-head{display:flex;align-items:center;gap:10px;padding:12px 16px;background:linear-gradient(135deg,rgba(29,106,144,0.08) 0%,rgba(63,160,201,0.10) 100%);color:var(--primary-dark);font-size:14px;font-weight:700;margin:20px -24px 18px}
.list_tool .group-head::before{content:"";width:4px;height:16px;background:var(--primary)}
.list_tool .group-head:first-child{margin-top:-4px}
.list_tool .tip-bar{display:flex;align-items:flex-start;gap:10px;padding:12px 16px;background:#FFF6EC;border-left:4px solid #FF9E43;color:#7A4B00;font-size:13px;line-height:1.8;margin-bottom:18px}
.list_tool .tip-bar svg{width:18px;height:18px;flex-shrink:0;fill:#FF8A3D;margin-top:2px}
.list_tool .result-box{position:relative}
.list_tool .result-box::after{content:"RESULT";position:absolute;top:50%;right:14px;transform:translateY(-50%);font-size:10px;font-weight:700;letter-spacing:1px;color:var(--primary);opacity:0.45;pointer-events:none}
.list_tool .result-box .form-input[readonly]{padding-right:68px}
.list_tool .btn-row{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0 }
.list_tool .btn{margin:0;display:inline-flex;align-items:center;justify-content:center;gap:6px;height:44px;padding:0 22px;font-size:14px;font-weight:600;outline:none;border:none;cursor:pointer;transition:var(--transition);border-radius:0;white-space:nowrap;font-family:inherit}
.list_tool .btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;box-shadow:0 4px 14px rgba(29,106,144,0.28)}
.list_tool .btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(29,106,144,0.36)}
.list_tool .btn-primary:active{transform:translateY(0)}
.list_tool .btn-secondary{background:#fff;color:var(--text-2);border:1.5px solid var(--border)}
.list_tool .btn-secondary:hover{border-color:var(--primary);color:var(--primary);background:rgba(29,106,144,0.04)}
.list_tool .btn-warn{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,138,61,0.24)}
.list_tool .btn-warn:hover{background:#FFA15A;transform:translateY(-2px)}
.list_tool .mix-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.list_tool .mix-card{background:#F6FAFC;border:1px dashed #BED7E4;padding:18px}
.list_tool .mc-head{display:flex;align-items:center;gap:8px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid #D9E7F0}
.list_tool .mc-no{width:26px;height:26px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center}
.list_tool .mc-title{font-size:15px;font-weight:700;color:var(--primary-dark)}
.list_tool .mix-card .form-grid{grid-template-columns:1fr;gap:12px}
.list_tool .page-foot{max-width:1200px;margin:0 auto;padding:0 20px 40px;color:var(--text-3);text-align:center;font-size:12px}
.list_tool .page-foot a{color:var(--primary)}
.list_tool .toast{position:fixed;top:24px;left:50%;transform:translateX(-50%) translateY(-80px);z-index:99999;background:var(--card);color:var(--text);padding:14px 22px;box-shadow:var(--shadow-lg);border-left:4px solid var(--primary);border:1px solid var(--border);font-size:14px;font-weight:500;transition:transform 0.35s cubic-bezier(.2,.9,.3,1.2),opacity 0.3s;opacity:0;pointer-events:none;max-width:90vw}
.list_tool .toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.list_tool .toast.err{border-left-color:#E53935}
.list_tool .toast.ok{border-left-color:#43A047}
.list_tool .toast.warn{border-left-color:#FB8C00}
@media (max-width: 992px){
  .list_tool .layout-grid{grid-template-columns:1fr}
  .list_tool .sidebar{display:none}
  .list_tool .mobile-tabs{display:block}
  .list_tool .page-header-inner{padding:28px 18px 34px}
  .list_tool .ph-title{font-size:20px}
  .list_tool .ph-desc{padding-left:0;margin-top:8px;font-size:13px}
  .list_tool .ph-top{align-items:flex-start}
  .list_tool .ph-tags{padding-left:0}
  .list_tool .tc-title{font-size:17px}
  .list_tool .tc-body{padding:18px}
  .list_tool .mix-grid{grid-template-columns:1fr;gap:14px}
  .list_tool .group-head{margin:16px -18px 14px;padding:10px 14px}
}
@media (max-width: 600px){
  .list_tool .layout{padding:0 14px;margin-top:-20px}
  .list_tool .form-grid{grid-template-columns:1fr;gap:12px}
  .list_tool .tc-body{padding:16px}
  .list_tool .tc-desc{padding-left:0;margin-top:8px}
  .list_tool .ph-icon{width:42px;height:42px}
  .list_tool .ph-icon svg{width:20px;height:20px}
  .list_tool .ph-title{font-size:19px}
  .list_tool .btn{flex:1;height:44px;font-size:14px}
  .list_tool .btn-row{gap:8px}
  .list_tool .btn-row .btn{min-width:45%}
  .list_tool .form-input,.list_tool .form-select{height:46px;font-size:15px}
  .list_tool .tool-card-head{padding:18px 20px 16px}
  .list_tool .group-head{margin:14px -16px 12px;padding:10px 14px;font-size:13px}
  .list_tool .mix-card{padding:14px}
}
@media (prefers-reduced-motion: reduce){
  .list_tool *{animation:none !important;transition:none !important}
}