.submit-main {
  flex: 1;
  max-width: 560px;
  margin: 0 auto;
  padding: 32px var(--page-gutter, 24px) 48px;
}

.submit-lead {
  margin: 0 0 24px;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* 与 .consult-page-intro 同用时，避免覆盖引言区内段落居中与深色字 */
.consult-page-intro .submit-lead {
  margin: 0 auto;
  max-width: 520px;
  color: #0f1218;
  font-weight: 500;
}

.submit-form label {
  display: block;
  margin: 16px 0 6px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.submit-form input[type="text"],
.submit-form input[type="file"],
.submit-form textarea {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm, 8px);
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
}

.submit-form textarea {
  resize: vertical;
  min-height: 120px;
}

.submit-btn {
  margin-top: 20px;
  padding: 12px 28px;
  border: none;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  color: #1a1308;
  background: linear-gradient(145deg, var(--color-accent) 0%, #a8863a 100%);
}

.submit-msg {
  margin-top: 16px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* 分享背景 / 短视频背景等深色底图：表单标签、占位符与输入区用浅色，保证可读 */
.submit-main--visual-bg .submit-form label {
  color: rgba(232, 236, 244, 0.95);
  font-weight: 500;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.45);
}

.submit-main--visual-bg .submit-form input[type="text"],
.submit-main--visual-bg .submit-form input[type="file"],
.submit-main--visual-bg .submit-form textarea {
  color: #f4f6fb;
  background: rgba(8, 12, 22, 0.62);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.2) inset;
}

.submit-main--visual-bg .submit-form input[type="text"]::placeholder,
.submit-main--visual-bg .submit-form textarea::placeholder {
  color: rgba(200, 212, 235, 0.88);
  opacity: 1;
}

.submit-main--visual-bg .submit-form input[type="text"]:focus,
.submit-main--visual-bg .submit-form textarea:focus {
  border-color: rgba(91, 140, 255, 0.55);
  outline: none;
  box-shadow: 0 0 0 2px rgba(91, 140, 255, 0.25);
}

.submit-main--visual-bg .submit-form input[type="file"]::file-selector-button {
  margin-right: 12px;
  padding: 6px 12px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
  color: #e8ecf4;
  font-size: 0.8125rem;
  cursor: pointer;
}

.submit-main--visual-bg .submit-form input[type="file"]::file-selector-button:hover {
  background: rgba(255, 255, 255, 0.18);
}

.submit-main--visual-bg .submit-msg {
  color: rgba(200, 220, 255, 0.92);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}