/* ============ 设计系统 · 基础 ============ */
:root{
  --brand:#EA580C; --brand-deep:#C2410C; --brand-weak:#FDF0E7; --brand-line:#F2C9A8;
  --navy:#16294C; --navy-2:#24406E; --navy-deep:#0E1B36;
  --bg:#F6F7F9; --card:#FFFFFF; --line:#E7EAF0; --line-2:#EFF1F5;
  --text:#1F2937; --text-2:#5B6472; --text-3:#98A1AE;
  --success:#15803D; --success-bg:#EFF7F0;
  --warn:#B45309; --warn-bg:#FBF3E4;
  --danger:#DC2626; --danger-bg:#FCEEEC;
  --blue:#2563EB; --blue-bg:#EDF3FE;
  --purple:#6D5BD0; --purple-bg:#F2EFFB;
  --radius:12px; --radius-lg:16px;
  --shadow:0 1px 2px rgba(16,24,40,.04); --shadow-lg:0 12px 40px rgba(16,24,40,.14);
  --font:"PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box;-webkit-font-smoothing:antialiased}
html,body{height:100%}
body{font-family:var(--font);color:var(--text);background:var(--bg);font-size:14px;line-height:1.55}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;outline:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:#CBD5E4;border-radius:3px}

/* ---- 状态标签 ---- */
.chip{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:500;white-space:nowrap}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.chip.c-blue{background:var(--blue-bg);color:var(--blue)}
.chip.c-green{background:var(--success-bg);color:var(--success)}
.chip.c-warn{background:var(--warn-bg);color:#C77E00}
.chip.c-danger{background:var(--danger-bg);color:var(--danger)}
.chip.c-gray{background:#F0F2F7;color:#5F6774}
.chip.c-purple{background:var(--purple-bg);color:var(--purple)}
.chip.c-navy{background:#E8EDF7;color:var(--navy-2)}

/* ---- 按钮 ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;height:36px;padding:0 16px;border-radius:10px;font-size:14px;font-weight:500;transition:.15s;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep)}
.btn-navy{background:var(--navy);color:#fff}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text-2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-danger-ghost{background:#fff;border:1px solid #F6C6C8;color:var(--danger)}
.btn-sm{height:30px;padding:0 12px;font-size:13px;border-radius:8px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn:active{transform:translateY(1px) scale(.985);filter:brightness(.95)}
.btn-block{width:100%}

/* ---- 卡片 ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}

/* ---- 表单 ---- */
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:var(--text-2);font-weight:500}
.input,.select,.textarea{width:100%;background:#fff;border:1px solid var(--line);border-radius:10px;padding:0 12px;height:38px;font-size:14px;transition:.15s}
.textarea{height:auto;padding:10px 12px;resize:vertical}
.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,122,26,.12)}
.input::placeholder{color:var(--text-3)}
.switch{position:relative;width:40px;height:22px;border-radius:999px;background:#D4DAE6;transition:.2s;flex:none}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.2);transition:.2s}
.switch.on{background:var(--brand)}
.switch.on::after{left:20px}

/* ---- 进度条 ---- */
.bar{height:6px;background:var(--line-2);border-radius:3px;overflow:hidden}
.bar>i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,#FF9A4D,var(--brand))}

/* ---- 工具类 ---- */
.flex{display:flex}.col{display:flex;flex-direction:column}
.center{align-items:center}.between{justify-content:space-between}
.gap6{gap:6px}.gap8{gap:8px}.gap12{gap:12px}.gap16{gap:16px}
.muted{color:var(--text-3)}.sub{color:var(--text-2)}
.bold{font-weight:600}
.hidden{display:none!important}