:root {
  --blue: #2563EB;
  --blue-dark: #1D4ED8;
  --ink: #101828;
  --sub: #475467;
  --line: #D0D5DD;
  --bg: #F5F7FA;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Inter", sans-serif; }
.screen { max-width: 960px; margin: 0 auto; padding: 40px 20px 64px; }
.header { margin-bottom: 20px; }
.header h1 { font-size: 24px; margin: 0 0 8px; }
.subtitle { color: var(--sub); font-size: 14px; margin: 0 0 12px; }
.req { color: #B42318; }
.privacy { background: #EFF6FF; color: var(--blue-dark); font-size: 13px;
  padding: 12px 14px; border-radius: 8px; line-height: 1.6; }
.card { background: #fff; border-radius: 16px; padding: 28px;
  box-shadow: 0 4px 16px rgba(16,24,40,0.06); }
.sec { margin-bottom: 28px; }
.sec h2 { font-size: 16px; margin: 0 0 14px; padding-left: 10px;
  border-left: 4px solid var(--blue); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 4px; }
.field label { font-size: 14px; font-weight: 600; color: #344054; }
.field input, .field select {
  height: 44px; border: 1px solid var(--line); border-radius: 8px;
  padding: 0 12px; font-size: 14px; background: #fff; color: var(--ink); }
.field input:focus, .field select:focus { outline: none; border-color: var(--blue); }
.hint { font-size: 13px; color: var(--sub); margin: 0 0 12px; }
.upload-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.fname { font-size: 12px; color: var(--sub); min-height: 16px; word-break: break-all; }
.check { display: flex; align-items: center; gap: 8px; font-size: 14px; color: #344054; }
.check input { width: 18px; height: 18px; }
.submit-area { text-align: center; padding-top: 8px; }
.submit-area button {
  width: 240px; height: 48px; border: none; border-radius: 8px;
  background: var(--blue); color: #fff; font-size: 16px; font-weight: 700;
  cursor: pointer; }
.submit-area button:disabled { opacity: .6; cursor: default; }
.note { font-size: 12px; color: var(--sub); margin-top: 10px; }
#msg { margin-top: 14px; font-size: 14px; }
#msg.ok { color: #067647; }
#msg.err { color: #B42318; }
@media (max-width: 640px) {
  .grid2, .upload-grid { grid-template-columns: 1fr; }
  .card { padding: 18px; }
}