/* ========================================
   远辰智联 - 全局样式表
   现代化方形设计 | 玻璃态效果
======================================== */

/* CSS变量定义 */
:root {
  --primary: #1a73e8;
  --primary-dark: #1557b0;
  --primary-light: #4a90d9;
  --secondary: #0d9488;
  --accent: #f59e0b;
  --bg-dark: #0f172a;
  --bg-darker: #020617;
  --bg-card: rgba(30, 41, 59, 0.7);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(148, 163, 184, 0.15);
  --glass-bg: rgba(15, 23, 42, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 重置样式 */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

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

img {
  max-width: 100%;
  display: block;
}

ul, ol {
  list-style: none;
}

/* 容器 */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-fluid {
  width: 100%;
  padding: 0 24px;
}

/* ========================================
   导航栏 - 玻璃态设计
======================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 23, 42, 0.95);
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.navbar-brand .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: white;
  font-weight: 800;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 18px;
  right: 18px;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transition: transform 0.25s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  font-size: 14px;
  font-weight: 600;
  /* 方形按钮 */
  border-radius: 4px;
  transition: var(--transition);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26, 115, 232, 0.35);
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

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

/* ========================================
   Hero 区域
======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.92) 0%,
    rgba(15, 23, 42, 0.75) 50%,
    rgba(13, 148, 136, 0.2) 100%
  );
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  margin-bottom: 28px;
  background: rgba(26, 115, 232, 0.12);
  border: 1px solid rgba(26, 115, 232, 0.25);
  /* 方形 */
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-light);
}

.hero-title {
  font-size: clamp(36px, 5.5vw, 60px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 600;
  /* 方形按钮 */
  border-radius: 4px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 4px 20px rgba(26, 115, 232, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(26, 115, 232, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

.btn-success {
  background: linear-gradient(135deg, #059669, #047857);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  color: white;
}

/* Hero 装饰元素 */
.hero-decor {
  position: absolute;
  top: 50%;
  right: 60px;
  transform: translateY(-50%);
  z-index: 2;
  opacity: 0.9;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  padding: 32px;
  /* 方形 */
  border-radius: 8px;
  min-width: 320px;
}

.stat-item {
  text-align: center;
  padding: 16px;
}

.stat-number {
  display: block;
  font-size: 32px;
  font-weight: 800;
  color: var(--primary-light);
  margin-bottom: 4px;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

/* ========================================
   Section 通用样式
======================================== */
.section {
  padding: 100px 0;
  position: relative;
}

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

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--primary-light);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   特性卡片网格
======================================== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  position: relative;
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  /* 方形卡片 */
  border-radius: 8px;
  transition: var(--transition);
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(26, 115, 232, 0.3);
  box-shadow: var(--shadow-lg);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  /* 方形图标容器 */
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(26, 115, 232, 0.15), rgba(13, 148, 136, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 24px;
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

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

/* 不对称布局 */
.asymmetric-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.asymmetric-reverse {
  grid-template-columns: 1fr 1.2fr;
}

/* ========================================
   表单样式
======================================== */
.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 18px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-primary);
  background: rgba(30, 41, 59, 0.5);
  border: 1.5px solid var(--border-color);
  /* 方形输入框 */
  border-radius: 4px;
  outline: none;
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
  background: rgba(30, 41, 59, 0.8);
}

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

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

.form-check {
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-check input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary);
}

.form-error {
  font-size: 13px;
  color: #ef4444;
  margin-top: 6px;
}

/* ========================================
   卡片组件
======================================== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  /* 方形 */
  border-radius: 8px;
  padding: 28px;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(26, 115, 232, 0.25);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.card-header h3 {
  font-size: 18px;
  font-weight: 700;
}

/* ========================================
   页脚
======================================== */
.footer {
  position: relative;
  background: var(--bg-darker);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 0;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary), var(--secondary), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 60px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-top: 20px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 14px;
  color: var(--text-muted);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 6px;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 2;
}

.footer-bottom a {
  color: var(--primary-light);
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* ========================================
   登录/注册页面
======================================== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, rgba(13, 148, 136, 0.08) 100%);
  position: relative;
}

.auth-page::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(26, 115, 232, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.auth-container {
  width: 100%;
  max-width: 440px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  /* 方形 */
  border-radius: 8px;
  padding: 48px 40px;
  position: relative;
  z-index: 1;
}

.auth-header {
  text-align: center;
  margin-bottom: 36px;
}

.auth-header .logo-large {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: white;
  font-weight: 800;
  /* 方形 */
  border-radius: 8px;
  margin: 0 auto 20px;
}

.auth-header h1 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
}

.auth-header p {
  font-size: 14px;
  color: var(--text-muted);
}

.auth-footer {
  text-align: center;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  font-size: 14px;
  color: var(--text-muted);
}

.auth-footer a {
  color: var(--primary-light);
  font-weight: 600;
}

/* ========================================
   表格样式
======================================== */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  /* 方形 */
  border-radius: 8px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table thead {
  background: rgba(26, 115, 232, 0.08);
}

.data-table th,
.data-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  font-weight: 700;
  color: var(--text-secondary);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: rgba(26, 115, 232, 0.04);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* ========================================
   进度条
======================================== */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(100, 116, 139, 0.2);
  /* 方形 */
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.5s ease;
}

/* 步骤进度条 */
.steps-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  padding: 0 20px;
}

.steps-progress::before {
  content: '';
  position: absolute;
  top: 22px;
  left: 40px;
  right: 40px;
  height: 2px;
  background: var(--border-color);
}

.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.step-circle {
  width: 44px;
  height: 44px;
  /* 方形 */
  border-radius: 8px;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 12px;
  transition: var(--transition);
}

.step-item.completed .step-circle {
  background: linear-gradient(135deg, var(--secondary), #059669);
  border-color: transparent;
  color: white;
}

.step-item.active .step-circle {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.15);
}

.step-label {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  font-weight: 500;
}

.step-item.active .step-label,
.step-item.completed .step-label {
  color: var(--text-secondary);
}

/* ========================================
   状态标签
======================================== */
.status-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  /* 方形 */
  border-radius: 2px;
}

.status-submitted { background: rgba(99, 102, 241, 0.15); color: #818cf8; }
.status-reviewing { background: rgba(245, 158, 11, 0.15); color: #fbbf24; }
.status-approved { background: rgba(16, 185, 129, 0.15); color: #34d399; }
.status-rejected { background: rgba(239, 68, 68, 0.15); color: #f87171; }
.status-pending { background: rgba(148, 163, 184, 0.15); color: #94a3b8; }

/* ========================================
   后台布局
======================================== */
.admin-layout {
  display: flex;
  min-height: 100vh;
}

.admin-sidebar {
  width: 260px;
  background: var(--bg-darker);
  border-right: 1px solid var(--border-color);
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-header .logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: white;
  font-weight: 800;
  /* 方形 */
  border-radius: 6px;
}

.sidebar-header span {
  font-size: 16px;
  font-weight: 700;
}

.sidebar-nav {
  padding: 16px 12px;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  padding: 8px 12px 8px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  /* 方形 */
  border-radius: 4px;
  transition: var(--transition);
  margin-bottom: 2px;
}

.sidebar-link:hover {
  background: rgba(26, 115, 232, 0.08);
  color: var(--text-primary);
}

.sidebar-link.active {
  background: rgba(26, 115, 232, 0.12);
  color: var(--primary-light);
  font-weight: 600;
}

.admin-main {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  background: var(--bg-dark);
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--bg-darker);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.page-title {
  font-size: 20px;
  font-weight: 700;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-avatar {
  width: 38px;
  height: 38px;
  /* 方形 */
  border-radius: 6px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: white;
}

.content-area {
  padding: 32px;
}

/* 统计卡片区 */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  /* 方形 */
  border-radius: 8px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.stat-card-icon {
  width: 56px;
  height: 56px;
  /* 方形 */
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-card-icon.blue { background: rgba(26, 115, 232, 0.15); }
.stat-card-icon.green { background: rgba(16, 185, 129, 0.15); }
.stat-card-icon.orange { background: rgba(245, 158, 11, 0.15); }
.stat-card-icon.red { background: rgba(239, 68, 68, 0.15); }

.stat-card-info h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-card-info .value {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
}

/* 搜索和筛选区 */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  /* 方形 */
  border-radius: 8px;
}

.search-box {
  flex: 1;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 10px 16px 10px 42px;
  font-size: 14px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  /* 方形 */
  border-radius: 4px;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--primary);
}

.search-box::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.filter-select {
  padding: 10px 16px;
  font-size: 14px;
  background: var(--bg-dark);
  border: 1px solid var(--border-color);
  /* 方形 */
  border-radius: 4px;
  color: var(--text-primary);
  outline: none;
  cursor: pointer;
  min-width: 150px;
}

/* 分页 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

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

.pagination-btns {
  display: flex;
  gap: 4px;
}

.page-btn {
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  /* 方形 */
  border-radius: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.page-btn:hover,
.page-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* Modal 弹窗 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.show {
  display: flex;
}

.modal {
  background: var(--bg-darker);
  border: 1px solid var(--border-color);
  /* 方形 */
  border-radius: 8px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.modal-close {
  width: 36px;
  height: 36px;
  /* 方形 */
  border-radius: 4px;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: var(--transition);
}

.modal-close:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
  color: #ef4444;
}

.modal-body {
  padding: 28px;
}

.modal-footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  padding: 20px 28px;
  border-top: 1px solid var(--border-color);
}

/* Alert 提示 */
.alert {
  padding: 14px 20px;
  /* 方形 */
  border-radius: 4px;
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.25); color: #34d399; }
.alert-warning { background: rgba(245, 158, 11, 0.1); border: 1px solid rgba(245, 158, 11, 0.25); color: #fbbf24; }
.alert-error { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.25); color: #f87171; }
.alert-info { background: rgba(26, 115, 232, 0.1); border: 1px solid rgba(26, 115, 232, 0.25); color: #60a5fa; }

/* ========================================
   响应式设计
======================================== */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
  
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .asymmetric-grid,
  .asymmetric-reverse {
    grid-template-columns: 1fr;
  }
  
  .hero-decor {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .navbar-menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-darker);
    flex-direction: column;
    padding: 24px;
    gap: 4px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  
  .navbar-menu.active {
    transform: translateX(0);
  }
  
  .nav-link {
    padding: 14px 18px;
    font-size: 16px;
  }
  
  .hero-title {
    font-size: 32px;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .admin-sidebar {
    transform: translateX(-100%);
  }
  
  .admin-sidebar.active {
    transform: translateX(0);
  }
  
  .admin-main {
    margin-left: 0;
  }
  
  .stats-row {
    grid-template-columns: 1fr;
  }
  
  .content-area {
    padding: 20px 16px;
  }
  
  .filter-bar {
    flex-direction: column;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }
  
  .section {
    padding: 60px 0;
  }
  
  .auth-container {
    padding: 32px 24px;
  }
  
  .modal {
    margin: 12px;
  }
}

/* 动画效果 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.6s ease forwards;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(26, 115, 232, 0.2); }
  50% { box-shadow: 0 0 40px rgba(26, 115, 232, 0.4); }
}

.pulse-glow {
  animation: pulse-glow 3s ease-in-out infinite;
}

/* 工具类 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.grid { display: grid; }
.hidden { display: none !important; }