/* ===== 导航试用按钮 ===== */
.nav li {
  display: flex;
  align-items: center;
}

.nav-trial-btn {
  padding: 10px 22px;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #a855f7, #6366f1);
  border: 1px solid rgba(192, 132, 252, 0.5);
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  white-space: nowrap;
  font-family: inherit;
  line-height: 1.4;
}

.nav-trial-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(168, 85, 247, 0.45);
}

/* ===== 试用弹窗 ===== */
.trial-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(5, 0, 16, 0.65);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.trial-modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.trial-modal-box {
  width: 100%;
  max-width: 480px;
  background: #fff;
  border-radius: 16px;
  padding: 36px 32px 32px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s ease;
  position: relative;
}

.trial-modal-overlay.is-open .trial-modal-box {
  transform: translateY(0) scale(1);
}

.trial-modal-title {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a2e;
  text-align: center;
  margin-bottom: 28px;
}

.trial-form-group {
  margin-bottom: 20px;
}

.trial-form-group label {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: #333;
  margin-bottom: 8px;
}

.trial-form-group label .optional {
  font-weight: 400;
  color: #999;
  font-size: 14px;
}

.trial-form-group input,
.trial-form-group textarea {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  color: #333;
  border: 1px solid #ddd;
  border-radius: 8px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  background: #fafafa;
}

.trial-form-group input:focus,
.trial-form-group textarea:focus {
  border-color: #a855f7;
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
  background: #fff;
}

.trial-form-group textarea {
  min-height: 90px;
  resize: vertical;
}

.trial-form-group.has-error input,
.trial-form-group.has-error textarea {
  border-color: #e53935;
}

.trial-error-msg {
  font-size: 13px;
  color: #e53935;
  margin-top: 6px;
  display: none;
}

.trial-form-group.has-error .trial-error-msg {
  display: block;
}

.trial-captcha-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.trial-captcha-row input {
  flex: 1;
  min-width: 0;
}

.trial-captcha-img {
  width: 100px;
  height: 36px;
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
  background: #eee;
  object-fit: cover;
}

.trial-submit-btn {
  width: 100%;
  padding: 14px;
  margin-top: 8px;
  border: none;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, #a855f7, #6366f1);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.3s;
  font-family: inherit;
}

.trial-submit-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(168, 85, 247, 0.4);
}

.trial-modal-tip {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #eee;
  font-size: 14px;
  color: #666;
  text-align: center;
  line-height: 1.8;
}

.trial-modal-tip a {
  color: #a855f7;
  font-weight: 600;
}

/* ===== 提交成功提示 ===== */
.trial-success-overlay {
  position: fixed;
  inset: 0;
  z-index: 2100;
  background: rgba(5, 0, 16, 0.55);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.trial-success-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

.trial-success-overlay.is-fading {
  opacity: 0;
  visibility: hidden;
}

.trial-success-box {
  width: 100%;
  max-width: 360px;
  background: #fff;
  border-radius: 20px;
  padding: 40px 32px 36px;
  text-align: center;
  box-shadow:
    0 0 0 1px rgba(168, 85, 247, 0.12),
    0 24px 60px rgba(0, 0, 0, 0.3),
    0 0 80px rgba(168, 85, 247, 0.15);
  transform: translateY(16px) scale(0.94);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.4s ease;
}

.trial-success-overlay.is-visible .trial-success-box {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.trial-success-overlay.is-fading .trial-success-box {
  transform: translateY(-8px) scale(0.98);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.trial-success-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.12), rgba(99, 102, 241, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
}

.trial-success-circle {
  stroke: #a855f7;
  stroke-width: 2;
  stroke-dasharray: 151;
  stroke-dashoffset: 151;
  animation: trialSuccessCircle 0.5s ease forwards 0.15s;
}

.trial-success-check {
  stroke: #a855f7;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 36;
  stroke-dashoffset: 36;
  animation: trialSuccessCheck 0.35s ease forwards 0.55s;
}

@keyframes trialSuccessCircle {
  to { stroke-dashoffset: 0; }
}

@keyframes trialSuccessCheck {
  to { stroke-dashoffset: 0; }
}

.trial-success-title {
  font-size: 22px;
  font-weight: 700;
  color: #1a1a2e;
  margin-bottom: 10px;
}

.trial-success-desc {
  font-size: 15px;
  color: #666;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .nav-trial-btn {
    padding: 7px 14px;
    font-size: 14px;
  }

  .trial-modal-box {
    padding: 28px 20px 24px;
  }
}