/* ============================================================
   转化专区 FAB 悬浮按钮 + Modal 弹窗
   ============================================================ */

/* ---- FAB 悬浮按钮 ---- */
.fab-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 48px;
  padding: 0 24px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(43,107,209,.25);
  transition: all var(--transition);
  white-space: nowrap;
  outline: none;
}
.fab-float:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(43,107,209,.35);
  color: #fff;
}
.fab-float:active {
  transform: translateY(0);
}
.fab-float svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}
.fab-float.is-open {
  background: #5A6A85;
  box-shadow: 0 4px 12px rgba(90,106,133,.30);
}
.fab-float.is-open svg {
  transform: rotate(180deg);
}

/* ---- Modal 遮罩 ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(15,27,61,.50);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

/* ---- Modal 容器 ---- */
.modal-container {
  position: relative;
  width: 92%;
  max-width: 720px;
  max-height: 90vh;
  background: #fff;
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 80px rgba(15,27,61,.25);
  overflow-y: auto;
  overflow-x: hidden;
  transform: translateY(30px);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-overlay.is-open .modal-container {
  transform: translateY(0);
}

/* ---- Modal Header ---- */
.modal-header {
  text-align: center;
  padding: 40px 32px 32px;
  background: linear-gradient(180deg, #EAF3FF 0%, #FFFFFF 100%);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.modal-header-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.modal-header-sub {
  font-size: 14px;
  color: var(--text-muted);
}

/* ---- Modal Body ---- */
.modal-body {
  padding: 0 32px 40px;
}

/* ---- 表单卡片 ---- */
.modal-card {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--card-shadow-sm);
  border: 1px solid rgba(226,232,240,0.5);
  padding: 32px;
  margin-top: -8px;
}
.modal-card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}
.modal-card-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

/* ---- 双列表单 ---- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 24px;
}
.form-row .form-group.form-full {
  grid-column: 1 / -1;
}
@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .form-row .form-group.form-full {
    grid-column: 1;
  }
}

/* ---- Select 下拉 ---- */
.form-select {
  width: 100%;
  height: var(--input-height);
  padding: 0 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-primary);
  background: #fff;
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' fill='none' stroke='%238A95AD' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  transition: all var(--transition);
}
.form-select:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(43,122,232,0.1);
}

/* ---- 标签选择器 ---- */
.tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-chip {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-secondary);
  background: #fff;
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}
.tag-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(43,122,232,0.04);
}
.tag-chip.is-active {
  border-color: var(--primary);
  color: #fff;
  background: var(--primary);
}
.tag-chip.is-active:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
}

/* ---- 表单错误 ---- */
.form-error {
  font-size: 12px;
  color: var(--error);
  margin-top: 4px;
  padding-left: 2px;
  display: none;
}
.form-error.is-show {
  display: block;
}

/* ---- Modal Footer ---- */
.modal-footer {
  text-align: center;
  padding: 0 0 8px;
}

/* ---- 提交按钮 ---- */
.btn-submit-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 48px;
  border: none;
  border-radius: var(--radius-full);
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all var(--transition);
  outline: none;
}
.btn-submit-pill:hover {
  background: var(--primary-dark);
  box-shadow: 0 8px 24px rgba(43,122,232,0.30);
  transform: translateY(-1px);
  color: #fff;
}
.btn-submit-pill:active {
  transform: translateY(0);
}
.btn-submit-pill:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---- 成功状态 ---- */
.modal-success {
  text-align: center;
  padding: 60px 20px;
  display: none;
}
.modal-success.is-show {
  display: block;
}
.modal-success-icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #EBF3FE 0%, #D6E6FD 100%);
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-success-icon svg {
  width: 36px; height: 36px;
  color: var(--primary);
}
.modal-success-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.modal-success-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.modal-success-countdown {
  font-size: 13px;
  color: var(--text-muted);
}