/* Bootstrap 品牌变量覆盖 */
:root {
  --bs-primary: #274B92;
  --bs-primary-rgb: 39, 75, 146;
  --bs-secondary: #FAC10C;
  --bs-secondary-rgb: 250, 193, 12;
  --bs-body-font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --bs-border-radius: 0;
  --bs-border-radius-sm: 0;
  --bs-border-radius-lg: 0;
  --bs-border-radius-xl: 0;
}

/* 容器宽度保持原设计 */
.container { max-width: 1200px !important; }

/* 按钮品牌色 */
.btn-primary {
  --bs-btn-color: #fff;
  --bs-btn-bg: #274B92;
  --bs-btn-border-color: #274B92;
  --bs-btn-hover-color: #FAC10C;
  --bs-btn-hover-bg: #1E3A73;
  --bs-btn-hover-border-color: #1E3A73;
  --bs-btn-active-bg: #1E3A73;
  --bs-btn-active-border-color: #1E3A73;
  --bs-btn-active-color: #FAC10C;
  --bs-btn-disabled-color: #fff;
  --bs-btn-disabled-bg: #274B92;
  --bs-btn-disabled-border-color: #274B92;
}

/* ========== 导航栏整体 ========== */
#mainNav {
  padding-top: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

#mainNav.navbar-light {
  border-bottom-color: rgba(0, 0, 0, 0.05);
}

/* Logo */
.navbar-brand img {
  height: 48px;
  width: auto;
  transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 浅色导航滚动后变紧凑 */
#mainNav.navbar-light.nav-scrolled {
  padding-top: 14px;
  padding-bottom: 14px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

#mainNav.navbar-light.nav-scrolled .navbar-brand img {
  height: 38px;
}

/* 分隔线 - 匹配 v5 */
.nav-divider {
  display: none;
}
@media (min-width: 992px) {
  .nav-divider {
    display: block;
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.25);
    margin: 0 24px;
    flex-shrink: 0;
  }
  .navbar-light .nav-divider {
    background: rgba(39, 75, 146, 0.15);
  }
}

/* 右侧操作区 - 匹配 v5 */
.nav-actions {
  margin-left: 0;
}
@media (min-width: 992px) {
  .nav-actions {
    margin-left: 20px;
  }
}

/* 导航菜单容器 - 桌面端 gap 匹配 v5 */
.navbar-nav {
  gap: 0;
}
@media (min-width: 992px) {
  .navbar-nav {
    gap: 48px;
  }
}

/* 导航项 - 消除任何背景 */
.navbar-nav .nav-item {
  background: transparent !important;
}

/* 导航链接 - 严格匹配 v5 */
/* display: inline-block 保证 ::after 的 width:100% = 文字宽度 */
.navbar-nav .nav-link,
.navbar-expand-lg .navbar-nav .nav-link {
  display: inline-block;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.5px;
  padding: 8px 0 !important;
  white-space: nowrap;
  position: relative;
  background: transparent !important;
  border: none !important;
  outline: none !important;
  box-shadow: none !important;
  transition: color 0.3s ease;
}

/* hover 下划线 - 宽度严格等于文字宽度 */
.navbar-nav .nav-link::after,
.navbar-expand-lg .navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  transition: width 0.3s ease;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after,
.navbar-expand-lg .navbar-nav .nav-link:hover::after,
.navbar-expand-lg .navbar-nav .nav-link.active::after {
  width: 100%;
}

/* 深色主题（首页顶部未滚动时） */
#mainNav.navbar-dark {
  background: #0f2145 !important;
}
.navbar-dark .navbar-brand {
  color: #fff;
}
.navbar-dark .navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9);
}
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
  color: #fff;
}
.navbar-dark .navbar-nav .nav-link.active {
  color: #fff;
}
.navbar-dark .navbar-nav .nav-link::after {
  background-color: #fff;
}
.navbar-dark .navbar-toggler {
  border-color: rgba(255,255,255,0.3);
}

/* 浅色主题 */
#mainNav.navbar-light {
  background: rgba(255, 255, 255, 0.98) !important;
  backdrop-filter: blur(20px);
}
.navbar-light .navbar-brand {
  color: #1a1a1a;
}
.navbar-light .navbar-nav .nav-link {
  color: #1a1a1a;
}
.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link:focus {
  color: #274B92;
}
.navbar-light .navbar-nav .nav-link.active {
  color: #274B92;
}
.navbar-light .navbar-nav .nav-link::after {
  background-color: #274B92;
}

/* 右侧操作区链接颜色 */
.nav-actions .nav-link {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.3s ease;
}
.navbar-dark .nav-actions .nav-link {
  color: rgba(255, 255, 255, 0.9);
}
.navbar-dark .nav-actions .nav-link:hover {
  color: #274B92;
}
.navbar-light .nav-actions .nav-link {
  color: #1a1a1a;
}
.navbar-light .nav-actions .nav-link:hover {
  color: #274B92;
}

/* 未登录时的 注册/登录 链接 */
.nav-auth-links {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.nav-auth-links a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
.nav-auth-links a:hover {
  color: #274B92;
}
.navbar-dark .nav-auth-links {
  color: rgba(255, 255, 255, 0.9);
}
.navbar-light .nav-auth-links {
  color: #1a1a1a;
}
.nav-auth-sep {
  opacity: 0.5;
}

/* CTA 按钮 - 匹配 v5 */
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 20px;
  background: #274B92;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  border-radius: 0;
  transition: background 0.2s ease;
}
.nav-cta:hover {
  background: #1E3A73;
  color: #fff;
}

/* 折叠面板默认无背景（桌面端） */
#mainNav .navbar-collapse {
  background: transparent;
  padding: 0;
  margin-top: 0;
  border: none;
}

/* 移动端折叠面板背景 */
@media (max-width: 991.98px) {
  /* 确保导航栏在 hero 等全屏区域之上 */
  #mainNav {
    z-index: 1050 !important;
  }
  #mainNav.navbar-dark .navbar-collapse {
    background: rgba(15, 33, 69, 0.97) !important;
    backdrop-filter: blur(12px);
    padding: 1rem;
    border-radius: 0;
    margin-top: 12px;
  }
  #mainNav.navbar-light .navbar-collapse {
    background: #fff !important;
    padding: 1rem;
    border-radius: 0;
    margin-top: 12px;
    border: 1px solid rgba(0,0,0,0.05);
  }
}

/* Swiper 兼容 */
.swiper-pagination-bullet {
  border-radius: 50% !important;
}

/* ========================
   分页 — Bootstrap 5 品牌色覆盖
   ======================== */
.pagination {
  display: flex;
  padding-left: 0;
  list-style: none;
  justify-content: center;
  margin-top: 40px;
}

.pagination .page-link {
    color: #274B92;
    margin: 0 4px;
    border: 1px solid #dee2e6;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.pagination .page-link:hover {
    background-color: #E8EDF7;
    border-color: #274B92;
    color: #274B92;
}

.pagination .page-item.active .page-link {
    background-color: #274B92;
    border-color: #274B92;
    color: #fff;
}

.pagination .page-item.disabled .page-link {
    color: #adb5bd;
    background-color: #f8f9fa;
    border-color: #dee2e6;
}

.pagination .page-link:focus {
    box-shadow: 0 0 0 0.25rem rgba(39, 75, 146, 0.25);
}

/* ========================
   Nav Dropdown (个人中心)
   ======================== */
.nav-actions .dropdown-toggle {
  height: 34px;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
}

.nav-actions .dropdown-toggle::after {
  margin-left: 6px;
  vertical-align: middle;
}

.nav-actions .dropdown-menu {
  min-width: 0;
  width: 100%;
  margin-top: 6px;
  padding: 4px 0;
  border-color: #e0e0e0;
  border-radius: 0;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.nav-actions .dropdown-item {
  padding: 8px 14px;
  font-size: 14px;
  color: #333;
}

.nav-actions .dropdown-item:hover {
  background: rgba(39, 75, 146, 0.06);
  color: #274B92;
}

/* ========================
   My Center (个人中心)
   ======================== */
.my-center-section {
  padding-top: 120px;
  padding-bottom: 80px;
  min-height: calc(100vh - 200px);
}

/* 内容区块 */
.my-center-block {
  max-width: 960px;
  margin: 0 auto 16px;
  background: #fff;
  border: 1px solid #eaf0f8;
}

.my-center-block:last-child {
  margin-bottom: 0;
}

.my-center-block-header {
  padding: 16px 28px;
  border-bottom: 1px solid #edf2f8;
  background: #fafbfd;
}

.my-center-block-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: #16233c;
  margin: 0;
}

.my-center-block-body {
  padding: 0;
}

/* 个人信息 */
.my-center-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.my-center-profile {
  padding: 20px 28px;
}

.my-center-profile-edit {
  padding: 20px 28px;
}

.my-center-profile-row {
  display: flex;
  gap: 32px;
  margin-bottom: 16px;
}

.my-center-profile-row:last-child {
  margin-bottom: 0;
}

.my-center-profile-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.my-center-profile-label {
  font-size: 0.8rem;
  color: #999;
  font-weight: 500;
}

.my-center-profile-value {
  font-size: 0.95rem;
  color: #1a1a1a;
  line-height: 1.5;
}

.my-center-profile-input {
  width: 100%;
  height: 40px;
  padding: 0 12px;
  border: 1px solid #ddd;
  background: #fff;
  font-size: 0.95rem;
  color: #1a1a1a;
  outline: none;
  transition: border-color 0.2s ease;
}

.my-center-profile-input:focus {
  border-color: #274B92;
  box-shadow: 0 0 0 0.2rem rgba(39, 75, 146, 0.1);
}

.my-center-profile-input::placeholder {
  color: #bbb;
}

/* 编辑按钮 */
.my-center-edit-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid #d0d8e4;
  color: #65738e;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.my-center-edit-btn:hover {
  border-color: #274B92;
  color: #274B92;
}

.my-center-edit-btn--save {
  background: #274B92;
  border-color: #274B92;
  color: #fff;
}

.my-center-edit-btn--save:hover {
  background: #1E3A73;
  border-color: #1E3A73;
  color: #fff;
}

.my-center-edit-btn--cancel {
  border-color: #ddd;
  color: #999;
}

.my-center-edit-btn--cancel:hover {
  border-color: #bbb;
  color: #666;
}

.my-center-edit-actions {
  display: flex;
  gap: 8px;
}

/* 表格 */
.my-center-table {
  font-size: 0.9rem;
  margin-bottom: 0;
}

.my-center-table th {
  background: #f7f9fc;
  color: #16233c;
  font-weight: 600;
  border-bottom: 1px solid #e0e6f0;
  padding: 12px 28px;
  white-space: nowrap;
}

.my-center-table td {
  padding: 14px 28px;
  vertical-align: middle;
  border-bottom: 1px solid #edf2f8;
  color: #333;
}

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

.my-center-table tbody tr:hover {
  background: #f8faff;
}

/* 空状态 */
.my-center-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 28px;
  text-align: center;
}

.my-center-empty-icon {
  color: #c8d4e6;
  margin-bottom: 16px;
}

.my-center-empty-text {
  font-size: 0.95rem;
  color: #999;
  margin-bottom: 20px;
}

.my-center-empty .btn-outline-primary {
  height: 40px;
  padding: 0 28px;
  font-size: 0.9rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid #274B92;
  color: #274B92;
  background: transparent;
}

.my-center-empty .btn-outline-primary:hover {
  background: #274B92;
  color: #fff;
}

/* 响应式 */
@media (max-width: 768px) {
  .my-center-section {
    padding-top: 100px;
  }

  .my-center-block {
    margin: 0 16px 12px;
  }

  .my-center-block-header {
    padding: 14px 20px;
  }

  .my-center-table th,
  .my-center-table td {
    padding: 12px 20px;
  }

  .my-center-empty {
    padding: 40px 20px;
  }

  .my-center-profile,
  .my-center-profile-edit {
    padding: 16px 20px;
  }

  .my-center-profile-row {
    flex-direction: column;
    gap: 16px;
    margin-bottom: 16px;
  }

  .my-center-block-header {
    flex-wrap: wrap;
    gap: 10px;
  }
}

/* ========================
   Auth Pages (Login / Register)
   ======================== */
.auth-section {
  padding-top: 140px;
  padding-bottom: 80px;
  min-height: calc(100vh - 200px);
}

.auth-section .card {
  max-width: 480px;
  margin: 0 auto;
  border: 1px solid #eaf0f8;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04) !important;
}

.auth-section .card-body {
  padding: 48px;
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #16233c;
  margin-bottom: 8px;
}

.auth-subtitle {
  font-size: 0.95rem;
  color: #65738e;
}

.auth-form {
  display: block;
}

.auth-form .mb-3 {
  margin-bottom: 20px !important;
}

.auth-form .form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: #333;
  margin-bottom: 6px;
}

.auth-form .form-control {
  height: 48px;
  padding: 0 16px;
  border-color: #ddd;
  font-size: 0.95rem;
}

.auth-form .form-control:hover {
  border-color: #274B92;
}

.auth-form .form-control:focus {
  border-color: #274B92;
  box-shadow: none;
}

.auth-form textarea.form-control {
  height: auto;
  padding: 12px 16px;
  min-height: 96px;
}

.auth-form .input-group .form-control {
  border-right: none;
  position: relative;
}

.auth-form .input-group .form-control:focus {
  z-index: 6;
}

.auth-form .input-group:hover .form-control,
.auth-form .input-group:hover .btn.pwd-toggle-btn {
  border-color: #274B92;
}

.auth-form .input-group .btn {
  border-color: #ddd;
  color: #999;
  padding: 0 12px;
  background: #fff;
  z-index: 5;
}

.auth-form .input-group .btn:hover {
  color: #274B92;
  background: #fff;
  border-color: #274B92;
}

.auth-form .input-group .btn:focus {
  box-shadow: none;
}

.auth-form .btn-primary {
  height: 48px;
  font-size: 1rem;
  font-weight: 500;
}

.auth-form .btn-primary:hover,
.auth-form .btn-primary:focus {
  background-color: #274B92;
  border-color: #274B92;
  color: #FAC10C;
}

.auth-form .btn-primary:disabled {
  background-color: #274B92;
  border-color: #274B92;
  opacity: 1;
  color: rgba(255, 255, 255, 0.7);
}

.auth-form .input-group .btn.pwd-toggle-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: stretch;
  width: auto;
  min-width: 44px;
  padding: 0 12px;
  margin: 0;
  background: #fff;
  border: 1px solid #ddd;
  border-left: none;
  border-radius: 0;
  color: #999;
  cursor: pointer;
  top: auto;
  right: auto;
  bottom: auto;
  left: auto;
  z-index: 5;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.auth-form .input-group .btn.pwd-toggle-btn:hover {
  color: #274B92;
  background: #fff;
  border-color: #274B92;
}

.auth-form .input-group .form-control:focus ~ .btn.pwd-toggle-btn {
  border-color: #274B92;
}

.pwd-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.auth-footer {
  text-align: center;
  font-size: 0.9rem;
  color: #666;
  margin-top: 8px;
}

.auth-footer a {
  color: #274B92;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.auth-footer a:hover {
  color: #1E3A73;
}

@media (max-width: 768px) {
  .auth-section {
    padding-top: 100px;
  }
  .auth-section .card-body {
    padding: 32px 24px;
  }
}

/* 浮动报名按钮 */
.float-apply-btn {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 100;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 44px;
  padding: 0 16px;
  background: #274B92;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  box-shadow: 0 3px 12px rgba(39, 75, 146, 0.35);
  transition: width 0.3s ease, padding 0.3s ease, gap 0.3s ease, background 0.2s ease, box-shadow 0.2s ease;
  animation: floatApplyPopIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) 0.8s both;
  overflow: hidden;
  border-radius: 0;
}
.float-apply-btn svg {
  flex-shrink: 0;
}
.float-apply-btn span {
  opacity: 1;
  transition: opacity 0.25s ease;
}
/* 收起状态：只显示图标 */
.float-apply-btn.collapsed {
  width: 44px;
  padding: 0;
  justify-content: center;
  gap: 0;
}
.float-apply-btn.collapsed span {
  opacity: 0;
  width: 0;
  overflow: hidden;
}
/* 收起后 hover 展开 */
.float-apply-btn.collapsed:hover {
  width: auto;
  padding: 0 16px;
  gap: 6px;
  background: #1E3A73;
  box-shadow: 0 5px 18px rgba(39, 75, 146, 0.5);
}
.float-apply-btn.collapsed:hover span {
  opacity: 1;
  width: auto;
}
/* 始终 hover 变深 */
.float-apply-btn:hover {
  background: #1E3A73;
  box-shadow: 0 5px 18px rgba(39, 75, 146, 0.5);
  color: #fff;
}
/* 报名页面隐藏浮动按钮 */
body.apply-layout .float-apply-btn {
  display: none;
}
@keyframes floatApplyPopIn {
  0% { transform: scale(0) translateY(20px); opacity: 0; }
  60% { transform: scale(1.06) translateY(-2px); opacity: 1; }
  100% { transform: scale(1) translateY(0); opacity: 1; }
}