:root {
  --green: #10B981;
  --green-deep: #059669;
  --green-bg: #F4FAF6;
  --green-tint: #E7F6EF;
  --ink: #0F2E22;
  --ink-2: #5B6B62;
  --ink-3: #9CA3AF;
  --navy: #0A1628;
  --line: #E5EAE7;
  --danger: #EF4444;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Noto Sans SC", sans-serif;
  background: var(--green-bg);
  color: var(--ink);
  font-size: 14px;
}
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; }

/* 登录 */
.login-screen { display: flex; height: 100vh; }
.login-brand {
  width: 40%; min-width: 420px;
  background: linear-gradient(180deg, #10B981, #059669);
  color: #fff; padding: 64px;
  display: flex; flex-direction: column; justify-content: center;
}
.login-brand-name { font-size: 32px; font-weight: 600; }
.login-brand-sub { font-size: 18px; opacity: .85; margin-top: 8px; }
.login-brand-tag { font-size: 14px; opacity: .6; margin-top: 16px; }
.login-form { flex: 1; display: flex; align-items: center; justify-content: center; }
.login-card {
  width: 400px; background: #fff; border-radius: 20px; padding: 40px;
  box-shadow: 0 12px 36px rgba(16,185,129,.10);
}
.login-title { font-size: 22px; font-weight: 600; }
.login-sub { color: var(--ink-2); margin: 6px 0 22px; }
.login-card label { display: block; font-weight: 600; margin: 14px 0 6px; }
.login-card input[type="text"], .login-card input[type="password"], .login-card input:not([type]) {
  width: 100%; height: 44px; border: 1px solid var(--line); border-radius: 8px;
  padding: 0 12px; background: #F9FAFB; font-size: 14px;
}
.login-remember { display: flex; justify-content: space-between; align-items: center; margin: 14px 0 20px; color: var(--ink-2); font-size: 13px; }
.login-remember a { color: var(--green); }
.login-msg { color: var(--danger); margin-top: 12px; min-height: 20px; }

/* 主界面布局 */
.main-screen { display: flex; height: 100vh; }
.sidebar {
  width: 240px; background: var(--navy); color: #C6CDD8;
  display: flex; flex-direction: column; padding: 24px 16px 20px;
}
.sb-brand { color: #fff; font-size: 18px; font-weight: 600; }
.sb-brand-sub { color: #6B7A90; font-size: 12px; margin-bottom: 16px; }
.sb-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 10px;
  color: #9AA3B2; font-size: 14px;
}
.nav-item .dot { width: 6px; height: 6px; border-radius: 50%; background: #8B95A7; }
.nav-item.active { background: var(--green); color: #fff; }
.nav-item.active .dot { background: #fff; }
.sb-user { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: #1E3A5F; }

.main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.topbar {
  height: 56px; background: #fff; display: flex; align-items: center;
  justify-content: space-between; padding: 0 24px; color: var(--ink-2);
}
.content { flex: 1; overflow: auto; padding: 28px 32px; }

/* 通用 */
.view-title { font-size: 24px; font-weight: 600; }
.view-sub { color: var(--ink-2); margin-top: 4px; }
.card { background: #fff; border-radius: 16px; padding: 24px; margin-top: 20px; box-shadow: 0 4px 14px rgba(16,185,129,.05); }
.btn-primary { background: var(--green); color: #fff; border: none; border-radius: 8px; height: 36px; padding: 0 16px; font-size: 13px; }
.btn-danger { background: #fff; color: var(--danger); border: 1px solid #F3C2C2; border-radius: 8px; height: 36px; padding: 0 16px; font-size: 13px; }
.btn-danger.solid { background: var(--danger); color: #fff; border: none; }
.btn-outline { background: #fff; color: var(--green); border: 1px solid var(--green); border-radius: 8px; height: 32px; padding: 0 14px; font-size: 13px; }

/* KPI */
.kpi-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 20px; }
.kpi { background: #fff; border-radius: 16px; padding: 20px; box-shadow: 0 4px 14px rgba(16,185,129,.05); }
.kpi .label { color: var(--ink-2); font-size: 13px; }
.kpi .value { font-size: 32px; font-weight: 700; margin-top: 8px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; color: var(--ink-2); font-weight: 500; font-size: 13px; padding: 12px 16px; background: #F8FAFC; }
td { padding: 14px 16px; border-bottom: 1px solid var(--green-tint); }
.tag { display: inline-block; padding: 3px 12px; border-radius: 999px; background: var(--green-tint); color: var(--green); font-size: 12px; }
.tag.ok { background: #E8F7EE; color: var(--green-deep); }
.link { color: var(--green); cursor: pointer; margin-right: 12px; }
.link.danger { color: var(--danger); }

/* 案例网格 */
.case-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 16px; }
.case-card { background: #fff; border-radius: 12px; padding: 8px; box-shadow: 0 4px 14px rgba(16,185,129,.05); }
.case-thumb { position: relative; height: 150px; border-radius: 8px; background: var(--green-tint); overflow: hidden; }
.case-thumb img { width: 100%; height: 100%; object-fit: cover; }
.case-check { position: absolute; top: 8px; left: 8px; width: 18px; height: 18px; border-radius: 5px; background: #fff; border: 1px solid #CBD5E1; cursor: pointer; }
.case-check.on { background: var(--green); border-color: var(--green); }
.case-check.on::after { content: '✓'; color: #fff; font-size: 12px; display: block; text-align: center; line-height: 18px; }
.case-card.sel { outline: 1.5px solid var(--green); }
.case-name { font-size: 13px; color: var(--ink-2); padding: 8px 4px 4px; }

/* 表单 */
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 600; margin-bottom: 6px; }
.field input, .field textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; background: #F9FAFB; font-size: 14px; }
.field input { height: 44px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); border-radius: 16px; padding: 6px 14px; font-size: 13px; color: var(--ink-2); cursor: pointer; }
.chip.on { background: var(--green); color: #fff; border-color: var(--green); }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(15,23,42,.4); display: flex; align-items: center; justify-content: center; }
.modal { width: 480px; background: #fff; border-radius: 16px; padding: 32px; }
.modal h3 { font-size: 18px; margin-bottom: 16px; }
.modal-actions { display: flex; gap: 12px; margin-top: 8px; }
.modal-actions button { flex: 1; height: 44px; border-radius: 8px; border: 1px solid var(--line); background: #fff; color: var(--ink-2); }
.modal-actions .primary { background: var(--green); color: #fff; border: none; }

.empty { text-align: center; color: var(--ink-3); padding: 60px 0; }
@media (max-width: 1200px) { .case-grid { grid-template-columns: repeat(3, 1fr); } .kpi-row { grid-template-columns: repeat(2, 1fr); } }