/* 来电卫士注册页 · 赏心悦目版（2026-09-19）：大留白 + 柔和渐变 + 呼吸感表单 */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface2: #f1f5f9;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-dim: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --violet: #7c3aed;
  --success: #22c55e;
  --radius: 12px;
}

/* 页面底：柔和天空渐变 + 光斑，替代单调灰底 */
body {
  background:
    radial-gradient(900px 480px at 12% -6%, rgba(37, 99, 235, 0.12), transparent 60%),
    radial-gradient(820px 460px at 96% 12%, rgba(124, 58, 237, 0.10), transparent 62%),
    radial-gradient(700px 420px at 50% 108%, rgba(34, 197, 94, 0.08), transparent 60%),
    linear-gradient(180deg, #f6f9ff 0%, #eef2fb 55%, #f6f9ff 100%) !important;
  background-attachment: fixed !important;
}

/* Register page layout：更宽的呼吸空间 */
.register-page {
  max-width: 600px;
  margin: 44px auto 72px;
  padding: 0 22px;
}

.register-card {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 22px;
  padding: 34px 30px 30px;
  box-shadow:
    0 24px 64px rgba(37, 99, 235, 0.12),
    0 6px 18px rgba(124, 58, 237, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  animation: regFadeUp 0.45s ease both;
}
@keyframes regFadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

.register-card h1 {
  font-size: 1.7em;
  text-align: center;
  margin-bottom: 10px;
  font-weight: 800;
  background: linear-gradient(120deg, #2563eb 20%, #7c3aed 80%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.5px;
}

.register-card .subtitle {
  text-align: center;
  color: var(--text-dim);
  margin-bottom: 30px;
  font-size: 0.95em;
  line-height: 1.7;
}

/* Plan badge：渐变胶囊 */
.plan-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 0.8em;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

.plan-badge.free {
  background: linear-gradient(120deg, rgba(37, 99, 235, 0.12), rgba(124, 58, 237, 0.12));
  color: #1e40af;
  border: 1px solid rgba(37, 99, 235, 0.18);
}
.plan-badge.pro { background: #dcfce7; color: #166534; }
.plan-badge.enterprise { background: #ede9fe; color: #6b21a8; }

/* Form elements：呼吸感间距 + 高输入框 */
.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.88em;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
  letter-spacing: 0.3px;
}

.form-group label .required {
  color: #ef4444;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  font-size: 1em;
  font-family: inherit;
  background: #fbfcfe;
  color: var(--text);
  transition: border-color 0.22s, box-shadow 0.22s, background 0.22s;
  box-sizing: border-box;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #a8b3c4;
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
  border-color: #c3cede;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.10), 0 2px 8px rgba(37, 99, 235, 0.06);
}

.form-group textarea {
  resize: vertical;
  min-height: 88px;
}

.form-group .hint {
  font-size: 0.8em;
  color: var(--text-dim);
  margin-top: 6px;
}

/* 提交按钮：品牌渐变 + 浮起反馈 */
.btn-submit {
  width: 100%;
  padding: 15px;
  font-size: 1.08em;
  font-weight: 800;
  margin-top: 10px;
  cursor: pointer;
  border: none;
  border-radius: 14px;
  letter-spacing: 1px;
  background: linear-gradient(120deg, #2563eb, #7c3aed);
  color: #fff;
  box-shadow: 0 10px 26px rgba(37, 99, 235, 0.30);
  transition: filter 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn-submit:hover {
  filter: brightness(1.08);
  box-shadow: 0 14px 32px rgba(37, 99, 235, 0.36);
  transform: translateY(-1px);
}

.btn-submit:active {
  transform: scale(0.985);
}

.btn-submit:disabled {
  background: var(--text-dim);
  cursor: not-allowed;
  box-shadow: none;
}

/* Trust 行：三枚胶囊徽章 */
.register-trust {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  font-size: 0.82em;
  color: var(--text-dim);
}

.register-trust span {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.18);
  border-radius: 999px;
  padding: 5px 14px;
}

.register-trust span::before {
  content: "✓ ";
  color: var(--success);
  font-weight: 700;
}

/* Success state */
.success-box {
  text-align: center;
  padding: 20px 0;
}

.success-box .check {
  width: 76px;
  height: 76px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: linear-gradient(135deg, #dcfce7, #d1fae5);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.4em;
}

.success-box h2 {
  font-size: 1.4em;
  margin-bottom: 10px;
}

.success-box p {
  color: var(--text-dim);
  margin-bottom: 24px;
  line-height: 1.8;
}

.wechat-card {
  background: var(--surface2);
  border-radius: 14px;
  padding: 22px;
  margin: 20px 0;
}

.wechat-card h3 {
  font-size: 1em;
  margin-bottom: 12px;
}

.wechat-placeholder {
  width: 160px;
  height: 160px;
  margin: 0 auto;
  background: var(--bg);
  border: 2px dashed var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 0.8em;
  gap: 8px;
}

.wechat-placeholder .icon {
  font-size: 2.5em;
}

.wechat-card .desc {
  text-align: center;
  font-size: 0.82em;
  color: var(--text-dim);
  margin-top: 12px;
}

.success-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}

.error-msg {
  color: #ef4444;
  font-size: 0.85em;
  margin-top: 6px;
  display: none;
}

.error-msg.show {
  display: block;
}

[hidden] {
  display: none !important;
}

.redirect-hint {
  margin-top: 16px;
  font-size: 0.82em;
  color: var(--text-dim);
}

/* 移动端：保留留白，杜绝贴边压迫感 */
@media (max-width: 480px) {
  .register-page {
    padding: 0 14px;
    margin-top: 24px;
  }
  .register-card {
    padding: 26px 20px 24px;
    border-radius: 18px;
  }
  .form-group {
    margin-bottom: 18px;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    padding: 13px 14px;
  }
}