/* ============================================================
   弘善佛教網 · 反馈表单（上下结构 · 满宽）
   ============================================================ */
.form-layout {
  max-width: 100%;
  padding: 24px 40px 60px;
  box-sizing: border-box;
}

.form-stack {
  max-width: 100%;
  margin: 0;
}

/* 上：表单 */
.form-box {
  background: var(--bg);
  padding: 36px 40px 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 32px;
  box-sizing: border-box;
}
.form-box-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: 3px;
  text-align: center;
}
.form-box-sub {
  font-size: 12.5px;
  color: var(--accent);
  margin-bottom: 28px;
  letter-spacing: 1px;
  text-align: center;
}

.form-box .field {
  margin-bottom: 22px;
  position: relative;
}
.form-box .field-label {
  display: block;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.form-box .field-label .req { color: #b0745a; }
.form-box .field input,
.form-box .field select,
.form-box .field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-side);
  color: var(--text);
  font-size: 14.5px;
  font-family: inherit;
  transition: border-color .2s, background .2s;
  outline: none;
  box-sizing: border-box;
}
.form-box .field input:focus,
.form-box .field select:focus,
.form-box .field textarea:focus {
  border-color: var(--accent);
  background: var(--bg);
}
.form-box .field input::placeholder,
.form-box .field textarea::placeholder { color: var(--text-3); }
.form-box .field textarea {
  min-height: 160px;
  resize: vertical;
  line-height: 1.85;
}

.form-box .submit-btn {
  width: 100%;
  padding: 14px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 14.5px;
  font-weight: 500;
  cursor: pointer;
  transition: background .2s;
  margin-top: 10px;
  letter-spacing: 6px;
  border-radius: 8px;
  font-family: inherit;
  box-sizing: border-box;
}
.form-box .submit-btn:hover { background: #75593a; }
.form-box .submit-btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* 下：说明 */
.form-intro {
  background: var(--bg-side);
  padding: 32px 40px;
  border: 1px solid var(--border);
  border-radius: 12px;
  box-sizing: border-box;
}
.form-intro .intro-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
  letter-spacing: 2px;
  text-align: center;
}
.form-intro .intro-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 2;
  margin-bottom: 24px;
  text-align: center;
}
.form-intro .intro-points {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border);
}
.form-intro .intro-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.7;
  border-bottom: 1px solid var(--border);
}
.form-intro .intro-points li:last-child { border-bottom: none; }
.form-intro .intro-points li i {
  flex-shrink: 0;
  margin-top: 5px;
  color: var(--accent);
  font-size: 12px;
}

@media (max-width: 900px) {
  .form-layout { padding: 20px 16px 40px; }
  .form-box { padding: 24px 18px 28px; margin-bottom: 24px; }
  .form-box-title { font-size: 17px; }
  .form-intro { padding: 22px 18px; }
  .form-intro .intro-title { font-size: 18px; letter-spacing: 1px; }
  .form-intro .intro-desc { font-size: 13.5px; }
}