/* CommandCenter - 暗黑指挥中心样式 */

:root {
  /* 色彩体系 */
  --bg: #0d1117;
  --surface-1: #161b22;
  --surface-2: #1c2128;
  --border: #21262d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-tertiary: #484f58;
  --accent: #00e5a0;
  --danger: #f85149;

  /* 字体 */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* 圆角 */
  --radius: 6px;
  --radius-sm: 4px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

/* 导航栏 */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--surface-1);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 1000;
}

.navbar-logo {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
  text-decoration: none;
}

.navbar-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.navbar-links a {
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 150ms;
  position: relative;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--text-primary);
}

.navbar-links a.active::after {
  content: '';
  position: absolute;
  bottom: -18px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent);
}

.navbar-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 150ms ease-out;
  border: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--text-secondary);
  background: rgba(230, 237, 243, 0.05);
}

.btn-lg {
  padding: 18px 40px;
  font-size: 18px;
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
}

/* Hero 区域 */
.hero {
  padding: 120px 24px 80px;
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  background: linear-gradient(to bottom, var(--bg), var(--surface-1));
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.hero-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.hero-proof {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 16px;
}

/* Hero UI 面板 */
.hero-panel {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  animation: panelFadeIn 600ms ease-out;
}

@keyframes panelFadeIn {
  from {
    opacity: 0;
    transform: translateX(10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.panel-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.panel-body {
  padding: 16px;
}

.panel-section {
  margin-bottom: 16px;
}

.panel-section-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ticket-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--surface-1);
  border-radius: var(--radius-sm);
  margin-bottom: 4px;
}

.ticket-status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.ticket-status.open { background: var(--accent); }
.ticket-status.critical { background: var(--danger); }
.ticket-status.pending { background: #f0883e; }

.ticket-title {
  flex: 1;
  font-size: 13px;
  color: var(--text-primary);
}

.ticket-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-tertiary);
}

/* 区块通用样式 */
.section {
  padding: 80px 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.section-alt {
  background: var(--surface-1);
}

.section-dark {
  background: var(--bg);
}

.section-title {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 48px;
}

/* 痛点区域 */
.pain-list {
  max-width: 900px;
  margin: 0 auto;
}

.pain-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 16px 20px;
  border-left: 2px solid var(--danger);
  background: var(--surface-1);
  margin-bottom: 1px;
}

.pain-item:nth-child(even) {
  background: var(--surface-2);
}

.pain-text {
  font-size: 16px;
  color: var(--text-secondary);
}

.pain-consequence {
  font-size: 14px;
  color: var(--text-tertiary);
}

.pain-transition {
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-top: 48px;
}

/* 能力对照表 */
.comparison-table {
  max-width: 1000px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.comparison-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.comparison-row:last-child {
  border-bottom: none;
}

.comparison-pain {
  padding: 16px 20px;
  font-size: 15px;
  color: var(--text-secondary);
  border-left: 2px solid var(--danger);
}

.comparison-arrow {
  padding: 0 16px;
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
}

.comparison-solution {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  background: var(--surface-2);
  border-left: 2px solid var(--accent);
}

/* 时间线 */
.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
}

.timeline-step {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.step-number {
  position: absolute;
  top: 16px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.15;
}

.step-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 社会证明 */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.testimonial-card {
  background: var(--surface-1);
  border-left: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.testimonial-text {
  font-size: 16px;
  color: var(--text-primary);
  font-style: italic;
  margin-bottom: 16px;
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-secondary);
}

.author-info {
  font-size: 13px;
  color: var(--text-secondary);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* 定价区域 */
.pricing-table {
  max-width: 1400px;
  margin: 0 auto 48px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  overflow-x: auto;
}

.pricing-table table {
  width: 100%;
  border-collapse: collapse;
}

.pricing-table th,
.pricing-table td {
  padding: 12px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.pricing-table th {
  background: var(--surface-2);
  font-weight: 500;
  font-size: 14px;
}

.pricing-table td:first-child {
  text-align: left;
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-table .check {
  color: var(--accent);
}

.pricing-table .cross {
  color: var(--text-tertiary);
}

.pricing-table .highlight {
  border-left: 1px solid var(--accent);
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  position: relative;
  transition: border-color 200ms;
}

.pricing-card:hover {
  border-color: var(--accent);
}

.pricing-card.popular {
  border-color: var(--accent);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--bg);
  font-size: 11px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
}

.pricing-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.pricing-price {
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 4px;
}

.pricing-period {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  margin-bottom: 24px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-primary);
  padding: 8px 0;
}

.pricing-features li::before {
  content: '✓';
  color: var(--accent);
  font-weight: 600;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  transition: background 150ms;
}

.faq-question:hover {
  background: var(--surface-1);
}

.faq-icon {
  color: var(--accent);
  font-size: 18px;
  transition: transform 300ms;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms ease-in-out;
}

.faq-item.active .faq-answer {
  max-height: 200px;
}

.faq-answer-content {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  background: var(--surface-2);
  margin: 0 12px 12px;
  border-radius: var(--radius);
  padding: 16px;
}

/* 最终 CTA */
.final-cta {
  text-align: center;
  padding: 100px 24px;
  position: relative;
  overflow: hidden;
}

.final-cta::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(0, 229, 160, 0.05) 0%, transparent 70%);
  pointer-events: none;
}

.final-title {
  font-size: 44px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.03em;
}

.final-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.final-note {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 16px;
}

/* 页脚 */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 48px 24px 24px;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 32px;
}

.footer-section h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  font-size: 14px;
  color: var(--text-tertiary);
  text-decoration: none;
  display: block;
  padding: 4px 0;
  transition: color 150ms;
}

.footer-section a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 14px;
  color: var(--text-tertiary);
}

/* 响应式 */
@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-panel {
    max-width: 500px;
    margin: 0 auto;
  }

  .timeline {
    grid-template-columns: 1fr;
  }

  .testimonials {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar-links {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--surface-1);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
  }

  .navbar-links.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .hero-title {
    font-size: 32px;
  }

  .section-title {
    font-size: 28px;
  }

  .comparison-row {
    grid-template-columns: 1fr;
  }

  .comparison-arrow {
    display: none;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pain-item {
    grid-template-columns: 1fr;
  }
}

/* 认证页面样式 */
.auth-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.auth-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  width: 100%;
  max-width: 400px;
}

.auth-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
  text-align: center;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 32px;
}

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

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  transition: border-color 150ms, box-shadow 150ms;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 229, 160, 0.3);
}

.form-input::placeholder {
  color: var(--text-tertiary);
}

.auth-btn {
  width: 100%;
  margin-top: 8px;
}

.auth-link {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-secondary);
}

.auth-link a {
  color: var(--accent);
  text-decoration: none;
}

.auth-link a:hover {
  text-decoration: underline;
}

.error-message {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid var(--danger);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--danger);
  margin-bottom: 16px;
  display: none;
}

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

/* 后台管理样式 */
.admin-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.admin-sidebar {
  background: var(--surface-1);
  border-right: 1px solid var(--border);
  padding: 24px 0;
}

.admin-logo {
  padding: 0 24px 24px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.admin-nav {
  list-style: none;
}

.admin-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 24px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: all 150ms;
}

.admin-nav a:hover,
.admin-nav a.active {
  color: var(--text-primary);
  background: var(--surface-2);
}

.admin-nav a.active {
  border-left: 2px solid var(--accent);
}

.admin-main {
  padding: 24px 32px;
  overflow-y: auto;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.admin-title {
  font-size: 24px;
  font-weight: 700;
}

.admin-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.admin-user-name {
  font-size: 14px;
  color: var(--text-secondary);
}

.admin-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.admin-card-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface-2);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}

.stat-card-value {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.stat-card-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.config-form {
  display: grid;
  gap: 20px;
}

.config-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 16px;
  align-items: center;
}

.config-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

@media (max-width: 1024px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    display: none;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .config-row {
    grid-template-columns: 1fr;
  }
}