.msg-hero {
  position: relative;
  padding: 46px 0 56px;
  overflow: hidden;
  background: linear-gradient(120deg, #fafbfd 0%, #f5f7fa 56%, #eef3f8 100%);
}
.msg-hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(34px);
  opacity: .55;
  pointer-events: none;
}
.msg-hero__blob--a {
  width: 300px; height: 300px; left: -80px; top: -90px;
  background: radial-gradient(circle, rgba(37, 99, 235, .18), transparent 70%);
}
.msg-hero__blob--b {
  width: 260px; height: 260px; right: -70px; bottom: -130px;
  background: radial-gradient(circle, rgba(148, 163, 184, .22), transparent 70%);
}

.msg-hero__inner { position: relative; z-index: 2; text-align: center; }

.msg-crumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 13.5px;
  color: var(--gray);
}
.msg-crumb a { transition: color .25s; }
.msg-crumb a:hover { color: var(--orange-deep); }
.msg-crumb i { font-size: 10px; opacity: .65; }
.msg-crumb span { color: var(--orange-deep); font-weight: 600; }

.msg-hero__title {
  display: inline-block;
  font-size: 34px;
  font-weight: 800;
  letter-spacing: 1px;
  color: #22303f;
}
.msg-hero__title::after {
  content: '';
  display: block;
  width: 62px;
  height: 5px;
  margin: 12px auto 0;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--orange-light), var(--orange-deep));
}
.msg-hero__desc { margin-top: 14px; font-size: 15.5px; color: var(--gray); }

/* =========================================================
   2. 两栏布局
   ========================================================= */
.msg-body { padding: 44px 0 78px; background: #fff; }

.msg-grid {
  display: grid;
  grid-template-columns: 372px minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}
/* DOM 顺序：留言表单在前、二维码区在后；桌面端用 order 让二维码居左、表单居右 */
.msg-side { display: grid; gap: 22px; order: 1; }
.msg-panel { order: 2; }

/* =========================================================
   3. 二维码卡片
   ========================================================= */
.qr-card {
  position: relative;
  padding: 24px 22px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
/* 顶部彩色条 */
.qr-card::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 5px;
  background: var(--qr, var(--orange));
}
.qr-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow-md);
}
.qr-card--qq { --qr: #12b7f5; }
.qr-card--wx { --qr: #07c160; }

.qr-card__head { display: flex; align-items: center; gap: 12px; }
.qr-card__ico {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  font-size: 21px;
  color: #fff;
  background: var(--qr, var(--orange));
}
.qr-card--qq .qr-card__ico { box-shadow: 0 10px 20px rgba(18, 183, 245, .28); }
.qr-card--wx .qr-card__ico { box-shadow: 0 10px 20px rgba(7, 193, 96, .28); }

.qr-card__head h2 { font-size: 17px; font-weight: 700; color: #22303f; }
.qr-card__head p { font-size: 12.5px; color: var(--gray); }

/* 二维码图（点击放大） */
.qr-card__media {
  position: relative;
  display: block;
  width: 100%;
  margin: 16px 0 12px;
  padding: 14px;
  border: 0;
  border-radius: 18px;
  background: #f5f7fa;
  cursor: zoom-in;
  overflow: hidden;
}
.qr-card__media img {
  width: 100%;
  max-width: 216px;
  margin: 0 auto;
  border-radius: 12px;
  background: #fff;
  transition: transform .4s var(--ease);
}
.qr-card__media:hover img { transform: scale(1.04); }

.qr-card__zoom {
  position: absolute;
  left: 50%;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 15px;
  border-radius: 999px;
  font-size: 12.5px;
  color: #fff;
  white-space: nowrap;
  background: rgba(20, 31, 54, .72);
  opacity: 0;
  transform: translate(-50%, 10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}
.qr-card__media:hover .qr-card__zoom { opacity: 1; transform: translate(-50%, 0); }

.qr-card__tip {
  text-align: center;
  font-size: 13px;
  color: var(--gray);
}
.qr-card__tip i { margin-right: 5px; color: var(--qr, var(--orange)); }

/* =========================================================
   4. 留言表单
   ========================================================= */
.msg-panel {
  padding: 30px 34px 34px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
}

.msg-panel__title {
  position: relative;
  padding-left: 16px;
  font-size: 22px;
  font-weight: 800;
  color: #22303f;
}
.msg-panel__title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 22px;
  margin-top: -11px;
  border-radius: 5px;
  background: linear-gradient(180deg, var(--orange-light), var(--orange-deep));
}
.msg-panel__desc { margin: 10px 0 24px; font-size: 14px; color: var(--gray); }
.msg-panel__desc em { font-style: normal; color: #ff3b00; }
.msg-panel__desc i { margin-right: 5px; color: var(--orange); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #3d4451;
}
.form-group label span { color: #ff3b00; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  font-family: inherit;
  font-size: 15px;
  color: #26303c;
  background: #f5f7fa;
  border: 1px solid transparent;
  border-radius: 14px;
  outline: none;
  transition: background .25s, border-color .25s, box-shadow .25s;
}
.form-group textarea {
  height: 142px;
  padding: 14px 16px;
  line-height: 1.7;
  resize: vertical;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #9aa3af; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  background: #fff;
  border-color: var(--orange-light);
  box-shadow: 0 0 0 4px rgba(255, 154, 60, .14);
}

.form-group select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 44px;
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%239aa3af' d='M8 11.2 2.6 5.8h10.8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 15px 15px;
  cursor: pointer;
}

/* 验证码 */
.captcha-row { display: flex; align-items: center; gap: 14px; }
.captcha-input { flex: 1 1 auto; min-width: 0; }
.captcha-img {
  flex: 0 0 auto;
  height: 48px;
  width: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
}

/* 提交按钮 */
.form-submit {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 4px;
}
.btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 52px;
  padding: 0 44px;
  border: 0;
  border-radius: 999px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff;
  background: linear-gradient(135deg, #ff9a3c, var(--orange-deep));
  background-size: 160% 100%;
  box-shadow: 0 14px 28px rgba(255, 106, 0, .28);
  cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), background-position .5s var(--ease);
}
.btn-submit:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 36px rgba(255, 106, 0, .36);
  background-position: 100% 0;
}
.btn-submit:disabled { opacity: .72; cursor: not-allowed; transform: none; }

.btn-reset {
  height: 52px;
  padding: 0 32px;
  border: 1.5px solid var(--line);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray);
  background: #fff;
  cursor: pointer;
  transition: border-color .25s, color .25s, background .25s, transform .3s var(--ease);
}
.btn-reset:hover {
  transform: translateY(-2px);
  color: var(--orange-deep);
  border-color: var(--orange-light);
  background: #f5f7fa;
}

/* =========================================================
   5. 二维码放大层
   ========================================================= */
.qr-zoom {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(8, 14, 28, .72);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.qr-zoom.is-open { opacity: 1; visibility: visible; }

.qr-zoom__box {
  position: relative;
  width: min(88vw, 340px);
  padding: 22px 22px 18px;
  background: #fff;
  border-radius: 22px;
  text-align: center;
  transform: scale(.94);
  transition: transform .35s var(--ease);
}
.qr-zoom.is-open .qr-zoom__box { transform: none; }
.qr-zoom__box h4 { font-size: 17px; font-weight: 700; color: #22303f; }
.qr-zoom__box img { width: 100%; margin: 14px 0 10px; border-radius: 14px; }
.qr-zoom__box p { font-size: 13px; color: var(--gray); }

.qr-zoom__close {
  position: absolute;
  top: -14px;
  right: -14px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  font-size: 18px;
  line-height: 1;
  color: #fff;
  background: var(--orange-deep);
  box-shadow: 0 8px 18px rgba(245, 83, 10, .42);
  cursor: pointer;
  transition: transform .25s var(--ease);
}
.qr-zoom__close:hover { transform: rotate(90deg) scale(1.05); }

/* =========================================================
   6. 提交结果弹窗（配合页面脚本使用的 .custom-toast 结构）
   ========================================================= */
.custom-toast-overlay {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(8, 14, 28, .6);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s;
}
.custom-toast-overlay.active { opacity: 1; visibility: visible; }

.custom-toast {
  position: relative;
  width: min(88vw, 340px);
  padding: 26px 24px 22px;
  background: #fff;
  border-radius: 22px;
  text-align: center;
  transform: scale(.94);
  transition: transform .35s var(--ease);
}
.custom-toast-overlay.active .custom-toast { transform: none; }

.custom-toast-close {
  position: absolute;
  top: 10px;
  right: 14px;
  border: 0;
  background: none;
  font-size: 22px;
  line-height: 1;
  color: #c3c8d1;
  cursor: pointer;
}
.custom-toast-close:hover { color: var(--gray); }

.custom-toast-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  margin-bottom: 14px;
  border-radius: 50%;
  font-size: 28px;
  color: #fff;
}
.custom-toast-icon.success {
  background: linear-gradient(135deg, #9bd45c, var(--green));
  box-shadow: 0 12px 24px rgba(140, 198, 63, .34);
}
.custom-toast-icon.fail {
  background: linear-gradient(135deg, #ff9a3c, var(--orange-deep));
  box-shadow: 0 12px 24px rgba(245, 83, 10, .3);
}

.custom-toast-title { font-size: 18px; font-weight: 700; color: #22303f; }
.custom-toast-text { margin-top: 8px; font-size: 14px; color: var(--gray); }

.custom-toast-btn {
  min-width: 148px;
  height: 46px;
  margin-top: 18px;
  border: 0;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #ff9a3c, var(--orange-deep));
  box-shadow: 0 12px 24px rgba(255, 106, 0, .28);
  cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.custom-toast-btn:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(255, 106, 0, .34); }

/* =========================================================
   7. 响应式
   ========================================================= */
@media (max-width: 992px) {
  .msg-grid { grid-template-columns: 1fr; gap: 24px; }
  .msg-panel { order: 1; }
  .msg-side { order: 2; grid-template-columns: 1fr 1fr; gap: 18px; }
  .msg-body { padding: 34px 0 60px; }
}

@media (max-width: 680px) {
  .msg-hero { padding: 34px 0 40px; }
  .msg-hero__title { font-size: 26px; }
  .msg-hero__desc { font-size: 14px; }
  .msg-hero__blob--a { width: 200px; height: 200px; }
  .msg-hero__blob--b { width: 180px; height: 180px; }

  .msg-side { grid-template-columns: 1fr; }
  .qr-card { padding: 20px 18px 16px; border-radius: 20px; }
  .qr-card__media img { max-width: 200px; }

  .msg-panel { padding: 22px 18px 26px; border-radius: 20px; }
  .msg-panel__title { font-size: 20px; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .form-submit { flex-direction: column; align-items: stretch; }
  .btn-submit, .btn-reset { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  .qr-card, .qr-card__media img, .btn-submit, .btn-reset { transition: none; }
}