:root {
  --primary: #4f6ef2;
  --primary-dark: #3b55d9;
  --bg: #f5f6fa;
  --card: #ffffff;
  --text: #2b2f36;
  --muted: #8a919c;
  --border: #ececf1;
  --green: #2eaa6e;
  --red: #e5484d;
  --orange: #f5a623;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}
.container { max-width: 640px; margin: 0 auto; padding: 16px; }
.container-wide { max-width: 1080px; margin: 0 auto; padding: 16px; }

/* 顶部栏 */
.topbar {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  padding: 22px 16px;
}
.topbar-inner { max-width: 640px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.topbar h1 { font-size: 18px; font-weight: 600; }
.topbar a { color: rgba(255,255,255,.85); font-size: 13px; text-decoration: none; }

/* 卡片 */
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.card h2 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
  padding-left: 9px;
  border-left: 3px solid var(--primary);
}
.card h3 { font-size: 13px; color: var(--muted); font-weight: 500; margin: 14px 0 8px; }

/* 表单 */
.field { margin-bottom: 13px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; }
.field label .req { color: var(--red); }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 15px;
  background: #fafafc;
  outline: none;
  transition: border .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--primary); }
.field textarea { resize: vertical; min-height: 70px; }
.field .hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 420px) { .row2 { grid-template-columns: 1fr; gap: 0; } }

/* 按钮 */
.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 11px 20px;
  font-size: 15px;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  text-align: center;
  transition: opacity .2s;
}
.btn:hover { opacity: .88; }
.btn-block { width: 100%; }
.btn-outline {
  background: #fff; color: var(--primary);
  border: 1px solid var(--primary);
}
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 6px; }
.btn-danger { background: var(--red); }
.btn-green { background: var(--green); }
.btn-plain { background: #eef0f5; color: var(--text); }

/* 订单列表 */
.order-item {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--card); border-radius: 12px;
  padding: 15px 16px; margin-bottom: 10px;
  text-decoration: none; color: inherit;
  box-shadow: 0 1px 3px rgba(0,0,0,.04);
}
.order-item .t { font-weight: 600; }
.order-item .s { font-size: 13px; color: var(--muted); margin-top: 2px; }
.badge {
  display: inline-block; padding: 3px 10px; border-radius: 20px;
  font-size: 12px; white-space: nowrap;
}
.badge-0 { background: #fff6e6; color: var(--orange); }   /* 待初审 */
.badge-1 { background: #eef2ff; color: var(--primary); }   /* 待补充材料 */
.badge-2 { background: #fdebec; color: var(--red); }       /* 已驳回 */
.badge-3 { background: #f3ecff; color: #8b5cf6; }          /* 待终审 */
.badge-4 { background: #fff0e6; color: #f0731f; }          /* 待打款 */
.badge-5 { background: #e6f7ef; color: var(--green); }     /* 已打款 */

/* 详情展示 */
.detail-row {
  display: flex; padding: 9px 0; border-bottom: 1px dashed var(--border);
  font-size: 14px;
}
.detail-row:last-child { border-bottom: none; }
.detail-row .k { width: 110px; color: var(--muted); flex-shrink: 0; }
.detail-row .v { flex: 1; word-break: break-all; }

/* 图片 */
.img-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.img-grid .img-box img { width: 100%; height: 130px; object-fit: cover; border-radius: 8px; }
.img-grid .img-box p { font-size: 12px; color: var(--muted); text-align: center; margin-top: 4px; }
.upload-preview { margin-top: 6px; max-width: 120px; max-height: 90px; border-radius: 6px; display: none; }

/* 视频与文件 */
.order-video { width: 100%; max-width: 360px; border-radius: 8px; background: #000; }
.file-list { list-style: none; }
.file-list li { padding: 6px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.file-list a { color: var(--primary); text-decoration: none; word-break: break-all; }
.pay-voucher { max-width: 320px; width: 100%; border-radius: 8px; border: 1px solid var(--border); }
.step-flow { display: flex; gap: 4px; flex-wrap: wrap; font-size: 12px; margin-bottom: 6px; }
.step-flow span { padding: 3px 10px; border-radius: 20px; background: #eef0f5; color: var(--muted); }
.step-flow span.on { background: var(--primary); color: #fff; }
.step-flow span.done { background: #e6f7ef; color: var(--green); }

/* 提示 */
.alert {
  border-radius: 8px; padding: 10px 14px; font-size: 13px;
  margin-bottom: 14px;
}
.alert-error { background: #fdebec; color: var(--red); }
.alert-info { background: #eef2ff; color: var(--primary-dark); }
.notice {
  font-size: 12px; color: var(--muted); background: #fafafc;
  border-radius: 8px; padding: 10px 12px; margin-top: 12px;
}

/* 登录页 */
.login-wrap { min-height: 100vh; display: flex; flex-direction: column; }
.login-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; text-align: center; padding: 54px 20px 80px;
}
.login-hero h1 { font-size: 24px; font-weight: 600; }
.login-hero p { font-size: 13px; opacity: .85; margin-top: 8px; }
.login-card { max-width: 380px; margin: -50px auto 0; width: calc(100% - 32px); }

/* 后台表格 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
th, td { padding: 11px 14px; text-align: left; font-size: 13px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { background: #fafafc; color: var(--muted); font-weight: 500; }
td .nowrap { white-space: nowrap; }

/* 后台导航 */
.nav-tabs { display: flex; gap: 4px; margin-bottom: 16px; flex-wrap: wrap; }
.nav-tabs a {
  padding: 8px 18px; border-radius: 8px; text-decoration: none;
  color: var(--muted); font-size: 14px; background: var(--card);
}
.nav-tabs a.active { background: var(--primary); color: #fff; }
.filter-bar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.filter-bar input, .filter-bar select {
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 14px; outline: none;
}
.muted { color: var(--muted); font-size: 13px; }