:root {
  --ink: #10253f;
  --muted: #6d7d90;
  --line: #e3eaf1;
  --blue: #176bff;
  --blue-dark: #073d96;
  --cyan: #21d9d0;
  --orange: #ff9d45;
  --danger: #e84a5f;
  --bg: #f3f7fb;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.topbar { height: 72px; background: #fff; border-bottom: 1px solid var(--line); display: flex; align-items: center; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; font-size: 20px; }
.brand-mark { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: linear-gradient(135deg, var(--blue), var(--cyan)); box-shadow: 0 8px 24px #176bff38; }
.eyebrow { margin: 0 0 10px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 20px; box-shadow: 0 12px 36px rgba(24, 54, 92, .07); }
.btn { border: 0; border-radius: 12px; min-height: 44px; padding: 0 18px; font-weight: 700; transition: .18s ease; }
.btn:hover { transform: translateY(-1px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--blue), #0c54d3); box-shadow: 0 8px 20px #176bff35; }
.btn-soft { color: var(--blue-dark); background: #edf4ff; }
.btn-danger { color: var(--danger); background: #fff0f2; }
.field { display: grid; gap: 8px; }
.field label { font-size: 14px; font-weight: 700; }
.input { width: 100%; border: 1px solid #d8e2ed; border-radius: 12px; padding: 12px 14px; outline: 0; background: #fbfdff; transition: .2s; }
.input:focus { border-color: var(--blue); box-shadow: 0 0 0 4px #176bff14; background: #fff; }
textarea.input { resize: vertical; min-height: 88px; }
.toast { position: fixed; left: 50%; bottom: 32px; transform: translate(-50%, 20px); opacity: 0; z-index: 30; padding: 12px 18px; border-radius: 12px; color: #fff; background: #132b47; transition: .25s; pointer-events: none; box-shadow: 0 14px 40px #0003; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.empty { padding: 48px 20px; text-align: center; color: var(--muted); }
.tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; background: #eef5ff; color: var(--blue-dark); font-size: 12px; font-weight: 700; }
@media (max-width: 700px) {
  .shell { width: min(100% - 24px, 620px); }
  .topbar { height: 62px; }
  .brand { font-size: 17px; }
  .brand-mark { width: 34px; height: 34px; }
}