/* ===== NewAI Component Styles ===== */
/* NewAI组件样式 - 可复用组件（导航、按钮、卡片、表单等） */

/* ========== 导航组件 - Navigation ========== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  background: linear-gradient(180deg, rgba(5, 10, 10, 0.95) 0%, transparent 100%);
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  color: var(--newai-primary-light);
  text-shadow: 0 0 20px var(--newai-primary);
  letter-spacing: 3px;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--newai-text-secondary);
  text-decoration: none;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--newai-primary);
}

.nav-cta {
  font-family: var(--font-display);
  font-size: 12px;
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--newai-primary);
  color: var(--newai-primary-light);
  cursor: pointer;
  letter-spacing: 2px;
  text-transform: uppercase;
  transition: all 0.3s ease;
  text-decoration: none;
}

.nav-cta:hover {
  background: var(--newai-primary);
  color: #000;
  box-shadow: 0 0 20px var(--newai-primary);
}

/* 语言切换器 - Language Switcher */
.language-switcher {
  display: flex;
  gap: 10px;
  align-items: center;
}

.lang-btn {
  font-family: var(--font-display);
  font-size: 10px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid var(--newai-border-subtle);
  color: var(--newai-text-muted);
  cursor: pointer;
  letter-spacing: 1px;
  text-transform: uppercase;
  transition: all 0.3s ease;
}

.lang-btn.active,
.lang-btn:hover {
  border-color: var(--newai-primary);
  color: var(--newai-primary);
  box-shadow: 0 0 10px rgba(64, 186, 171, 0.3);
}

/* ========== 章节导航 - Chapter Navigation ========== */
.chapter-nav {
  position: fixed;
  right: 30px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.chapter-dot {
  width: 12px;
  height: 12px;
  border: 2px solid var(--newai-border-subtle);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.chapter-dot:hover,
.chapter-dot.active {
  border-color: var(--newai-primary);
  background: var(--newai-primary);
  box-shadow: 0 0 15px var(--newai-primary);
}

.chapter-dot::after {
  content: attr(data-label);
  position: absolute;
  right: 25px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: 10px;
  color: var(--newai-text-muted);
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.chapter-dot:hover::after {
  opacity: 1;
  color: var(--newai-primary);
}

/* ========== 卡片组件 - Cards ========== */
.problem-card {
  background: linear-gradient(135deg, rgba(5, 20, 20, 0.9), rgba(10, 30, 30, 0.7));
  border: 1px solid var(--newai-border-subtle);
  padding: 30px;
  position: relative;
  transition: all 0.4s ease;
  clip-path: polygon(0 12px, 12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.problem-card:hover {
  border-color: var(--newai-primary);
  box-shadow: 0 0 30px rgba(64, 186, 171, 0.2);
  transform: translateY(-5px);
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--newai-primary), transparent);
}

.problem-icon {
  width: 50px;
  height: 50px;
  background: rgba(64, 186, 171, 0.1);
  border: 1px solid var(--newai-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--newai-primary-light);
}

.problem-icon svg {
  width: 26px;
  height: 26px;
}

.problem-card h3 {
  font-family: var(--font-chinese);
  font-size: 18px;
  font-weight: 600;
  color: var(--newai-primary-light);
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 14px;
  color: var(--newai-text-secondary);
  line-height: 1.7;
}

/* ========== 徽章组件 - Badges ========== */
.new-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  color: #fff;
  background: var(--newai-warning);
  padding: 2px 6px;
  margin: 0 5px;
  vertical-align: middle;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  padding: 8px 20px;
  background: rgba(64, 186, 171, 0.1);
  border: 1px solid var(--newai-border-subtle);
  color: var(--newai-primary);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 40px;
}

.hero-badge strong,
.footer-motto strong {
  color: var(--newai-accent);
  font-weight: 900;
  text-shadow: 0 0 10px rgba(127, 255, 239, 0.6);
  letter-spacing: 4px;
}

/* ========== 按钮组件 - Buttons ========== */
.submit-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 15px;
  padding: 18px 40px;
  background: linear-gradient(135deg, var(--newai-primary), var(--newai-primary-dark));
  border: none;
  color: #000;
  cursor: pointer;
  letter-spacing: 3px;
  text-transform: uppercase;
  transition: all 0.4s ease;
  font-weight: 600;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.submit-btn:hover {
  box-shadow: 0 0 30px var(--newai-primary), 0 0 60px rgba(64, 186, 171, 0.3);
  transform: translateY(-2px);
}

.submit-btn:active {
  transform: translateY(0);
}

.btn-arrow {
  font-size: 18px;
  transition: transform 0.3s ease;
}

.submit-btn:hover .btn-arrow {
  transform: translateX(5px);
}

/* ========== 表单组件 - Form Components ========== */
.booking-form {
  max-width: 600px;
  margin: 0 auto;
  background: linear-gradient(135deg, rgba(5, 20, 20, 0.95), rgba(10, 30, 30, 0.9));
  border: 1px solid var(--newai-primary);
  padding: 40px;
  clip-path: polygon(0 15px, 15px 0, 100% 0, 100% calc(100% - 15px), calc(100% - 15px) 100%, 0 100%);
  box-shadow: 0 0 40px rgba(64, 186, 171, 0.15);
}

.form-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--newai-primary-light);
  letter-spacing: 2px;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--newai-border-subtle);
}

.form-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--newai-primary-light);
}

.form-icon svg {
  width: 24px;
  height: 24px;
}

.newai-form {
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group.full {
  grid-column: 1 / -1;
  margin-bottom: 25px;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--newai-text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font-chinese);
  font-size: 15px;
  padding: 14px 16px;
  background: rgba(5, 15, 15, 0.8);
  border: 1px solid var(--newai-border-subtle);
  color: var(--newai-text-primary);
  outline: none;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--newai-primary);
  box-shadow: 0 0 15px rgba(64, 186, 171, 0.2), inset 0 0 10px rgba(64, 186, 171, 0.05);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--newai-text-muted);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2340baab' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group select option {
  background: #0a1515;
  color: var(--newai-text-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-note {
  margin-top: 20px;
  font-size: 12px;
  color: var(--newai-text-muted);
  text-align: center;
}

.expectation-warning {
  margin-top: 12px;
  padding: 12px 16px;
  background: rgba(255, 170, 0, 0.1);
  border-left: 3px solid var(--newai-warning);
  font-size: 13px;
  color: #ffaa00;
  color: var(--newai-warning);
  line-height: 1.5;
  animation: fadeIn 0.3s ease;
}

.notes-hint {
  margin-top: 12px;
  padding: 12px 16px;
  background: rgba(64, 186, 171, 0.1);
  border-left: 3px solid #40baab;
  border-left: 3px solid var(--newai-primary);
  font-size: 13px;
  color: #40baab;
  color: var(--newai-primary);
  line-height: 1.5;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== 引用框组件 - Quote Box ========== */
.quote-box {
  max-width: 800px;
  margin: 0 auto;
  padding: 50px 40px;
  background: linear-gradient(135deg, rgba(5, 20, 20, 0.8), rgba(10, 30, 30, 0.6));
  border-left: 3px solid var(--newai-primary);
  position: relative;
}

.quote-box::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 30px;
  font-family: Georgia, serif;
  font-size: 80px;
  color: var(--newai-primary);
  opacity: 0.2;
  line-height: 1;
}

/* ========== 章节分隔符 - Chapter Divider ========== */
.chapter-divider {
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.chapter-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--newai-primary), transparent);
}

.chapter-number {
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--newai-primary);
  letter-spacing: 6px;
  background: var(--newai-bg-dark);
  padding: 20px 40px;
  border: 1px solid var(--newai-border-subtle);
  position: relative;
  z-index: 1;
}

/* ========== 响应式 - Responsive ========== */
@media (max-width: 768px) {
  .chapter-nav {
    display: none;
  }
}

@media (max-width: 600px) {
  .nav {
    padding: 15px 20px;
  }

  .nav-logo {
    font-size: 18px;
  }

  .nav-links {
    gap: 15px;
  }

  .nav-cta {
    display: none;
  }

  .nav-link {
    font-size: 10px;
    letter-spacing: 1px;
  }
}

@media (max-width: 500px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ========== 认证码彩蛋 - Certificate Easter Egg ========== */
.cert-trigger {
  cursor: default;
  user-select: none;
}

.cert-input-wrapper {
  display: none;
  justify-content: center;
  margin-top: 20px;
  animation: certFadeIn 0.4s ease;
}

.cert-input-wrapper.show {
  display: flex;
}

.cert-input {
  font-family: 'Orbitron', var(--font-display);
  font-size: 24px;
  font-weight: 600;
  text-align: center;
  letter-spacing: 8px;
  width: 160px;
  padding: 12px 20px;
  background: rgba(255, 170, 0, 0.1);
  border: 2px solid #ffaa00;
  color: #ffaa00;
  outline: none;
  text-transform: uppercase;
  box-shadow: 0 0 20px rgba(255, 170, 0, 0.3), inset 0 0 15px rgba(255, 170, 0, 0.1);
}

.cert-input::placeholder {
  color: rgba(255, 170, 0, 0.4);
  letter-spacing: 12px;
}

.cert-input:focus {
  box-shadow: 0 0 30px rgba(255, 170, 0, 0.5), inset 0 0 20px rgba(255, 170, 0, 0.15);
}

@keyframes certFadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cert-input.shake {
  animation: certShake 0.5s ease;
  border-color: #ff6b6b;
  box-shadow: 0 0 20px rgba(255, 107, 107, 0.5);
}

@keyframes certShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(8px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}