:root {
  --primary: #0e7c66;
  --primary-dark: #0a5e4d;
  --bg: linear-gradient(160deg, #e9f5f1 0%, #d3e9e2 100%);
  --text: #1f2d2a;
  --muted: #6b7d78;
  --card: #ffffff;
  --border: #d8e6e1;
  --danger: #d9534f;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
/* 强制 hidden 生效：.field/.card 等带 display 的类会覆盖浏览器默认 [hidden]{display:none} */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
}

.page {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.card {
  background: var(--card);
  border-radius: 16px;
  padding: 24px 20px;
  box-shadow: 0 8px 30px rgba(14, 124, 102, 0.12);
}

.title {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
}

.channel {
  margin: 0 0 16px;
  font-size: 13px;
  color: var(--muted);
}

.field { display: block; margin-bottom: 16px; }
.label { display: block; font-size: 14px; margin-bottom: 6px; color: #345; }
.req { color: var(--danger); font-style: normal; }

input[type="text"], input[type="tel"], textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 16px;
  outline: none;
  transition: border-color .15s;
  background: #fafdfc;
}
input:focus, textarea:focus { border-color: var(--primary); }

.file-drop {
  border: 1.5px dashed var(--border);
  border-radius: 10px;
  padding: 18px;
  text-align: center;
  cursor: pointer;
  background: #fafdfc;
}
.file-drop input[type="file"] { width: 100%; }
.file-hint { margin: 8px 0 0; color: var(--muted); font-size: 13px; }

.file-list { list-style: none; margin: 10px 0 0; padding: 0; }
.file-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px;
  margin-bottom: 6px; font-size: 13px;
}
.file-list .size { color: var(--muted); }
.file-list .del { color: var(--danger); cursor: pointer; margin-left: 8px; }

.captcha-row { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; }
.captcha-q { font-weight: 600; font-size: 16px; color: var(--primary-dark); }
.btn-ghost {
  padding: 8px 12px; border: 1px solid var(--primary); background: #fff;
  color: var(--primary); border-radius: 8px; font-size: 13px; cursor: pointer;
}

.btn-primary {
  width: 100%; padding: 14px; border: none; border-radius: 12px;
  background: var(--primary); color: #fff; font-size: 17px; font-weight: 600;
  cursor: pointer; margin-top: 4px;
}
.btn-primary:disabled { background: #9fc3b8; cursor: not-allowed; }

.msg { min-height: 18px; margin: 10px 0 0; font-size: 13px; color: var(--danger); }
.msg.ok { color: var(--primary-dark); }

/* 成功态 */
.success { text-align: center; }
.ok-icon {
  width: 56px; height: 56px; line-height: 56px; margin: 4px auto 12px;
  border-radius: 50%; background: var(--primary); color: #fff; font-size: 30px;
}
.receipt { text-align: left; margin: 16px 0 0; font-size: 14px; }
.receipt dt { color: var(--muted); }
.receipt dd { margin: 2px 0 12px; font-weight: 600; }