/* ============================================
   珠光计划 - 统一风格样式
   基于 bojoo-online UI 设计规范（深色玻璃拟态主题）
   ============================================ */

:root {
  /* 品牌色 - 与 bojoo-online 一致 */
  --color-primary: #D4A574;
  --color-primary-dark: #B8864E;
  --color-primary-light: #F5E6D3;
  --color-primary-glow: rgba(212, 165, 116, 0.3);
  
  /* 深色主题背景色 */
  --dark-bg-primary: #0f1117;
  --dark-bg-secondary: #1a1d24;
  --dark-bg-card: #1e2128;
  --dark-bg-hover: #252830;
  --dark-border: #2a2d35;
  --dark-border-light: #353840;
  
  /* 文字颜色 */
  --text-primary: #ffffff;
  --text-secondary: #b0b3b8;
  --text-muted: #6b6e73;
  
  /* 功能色 */
  --color-success: #34d399;
  --color-success-bg: rgba(52, 211, 153, 0.1);
  --color-warning: #fbbf24;
  --color-warning-bg: rgba(251, 191, 36, 0.1);
  --color-danger: #f87171;
  --color-danger-bg: rgba(248, 113, 113, 0.1);
  --color-info: #60a5fa;
  --color-info-bg: rgba(96, 165, 250, 0.1);
  
  /* 圆角体系 */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* 阴影体系 */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(212, 165, 116, 0.15);
  
  /* 过渡动画 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* 布局 */
  --max-width: 1200px;
  --header-height: 64px;
}

/* ---- Global Reset ---- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background: var(--dark-bg-primary);
  background-image: 
    radial-gradient(circle at 20% 30%, rgba(212, 165, 116, 0.03) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(96, 165, 250, 0.02) 0%, transparent 40%);
  min-height: 100vh;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-light);
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---- Header ---- */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(15, 17, 23, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--dark-border);
  z-index: 100;
  height: var(--header-height);
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-card);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.logo {
  font-size: 1.3rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo::before {
  content: '✨';
  font-size: 1.5rem;
  -webkit-text-fill-color: initial;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transition: width var(--transition-normal);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  position: relative;
  z-index: 1000;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-secondary);
  transition: all var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---- Hero Section ---- */
.hero {
  position: relative;
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(180deg, var(--dark-bg-primary) 0%, var(--dark-bg-secondary) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 30% 40%, rgba(212, 165, 116, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 70% 60%, rgba(96, 165, 250, 0.05) 0%, transparent 40%);
  animation: gradientShift 20s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes gradientShift {
  0% { opacity: 0.6; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.05); }
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shine 5s linear infinite;
  font-weight: 800;
  letter-spacing: -1px;
}

@keyframes shine {
  to { background-position: 200% center; }
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

/* ---- Page Header ---- */
.page-header {
  padding: 60px 0 40px;
  text-align: center;
  background: var(--dark-bg-secondary);
}

.page-header h1 {
  font-size: 2.2rem;
  color: var(--text-primary);
  margin-bottom: 12px;
  font-weight: 700;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff;
  box-shadow: 0 4px 15px rgba(184, 134, 78, 0.3);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left var(--transition-slow);
}

.btn-primary:hover::before {
  left: 100%;
}

.btn-primary:hover {
  box-shadow: 0 8px 25px rgba(184, 134, 78, 0.4);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn-group {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---- Cards ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  padding: 60px 0;
}

.card {
  position: relative;
  background: var(--dark-bg-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  background: var(--dark-bg-hover);
  border-color: var(--dark-border-light);
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-card-hover);
}

.card h3 {
  margin: 12px 0 8px;
  color: var(--text-primary);
  font-size: 1.3rem;
  font-weight: 700;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ---- Status Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.3px;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.badge-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.badge-success::before {
  background: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning);
}

.badge-warning::before {
  background: var(--color-warning);
}

.badge-info {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.badge-info::before {
  background: var(--color-info);
}

.badge-error {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}

.badge-error::before {
  background: var(--color-danger);
}

/* ---- Forms ---- */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: inherit;
  transition: all var(--transition-fast);
  background: var(--dark-bg-card);
  color: var(--text-primary);
}

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

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(212, 165, 116, 0.15);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

/* ---- Tables ---- */
.table-container {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--dark-border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.table th {
  background: var(--dark-bg-secondary);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--dark-border);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--dark-border);
  color: var(--text-primary);
  transition: background var(--transition-fast);
}

.table tr:hover td {
  background: var(--dark-bg-hover);
}

/* ---- Sections ---- */
.section {
  padding: 60px 0;
}

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

.section h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-primary);
  font-weight: 700;
}

/* ---- Steps ---- */
.steps {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.step {
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
}

.step-number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  box-shadow: var(--shadow-glow);
}

/* ---- Footer ---- */
.site-footer {
  background: linear-gradient(180deg, #2c2c2c 0%, #1a1a1a 100%);
  color: #ccc;
  padding: 60px 0 32px;
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary), var(--color-primary-dark));
}

.footer-bottom {
  border-top: 1px solid #444;
  padding-top: 24px;
  text-align: center;
  font-size: 0.88rem;
  color: #888;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(15, 17, 23, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    gap: 16px;
    border-bottom: 1px solid var(--dark-border);
  }

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

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 80px 0;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section h2 {
    font-size: 1.5rem;
  }

  .btn-group {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.7rem;
  }

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