:root {
  --primary: #1a6b6b;
  --primary-dark: #0f4c4c;
  --primary-light: #e0f0f0;
  --accent: #d4c4a8;
  --accent-light: #f5f0e8;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-500: #6b7280;
  --gray-700: #374151;
  --gray-900: #111827;
  --radius: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--gray-900);
  background: var(--gray-50);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ===== 导航栏 ===== */
.navbar {
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.navbar-brand {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.navbar-brand svg { width: 28px; height: 28px; }
.navbar-links { display: flex; gap: 20px; align-items: center; }
.navbar-links a {
  color: var(--gray-700);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.2s;
}
.navbar-links a:hover {
  background: var(--primary-light);
  color: var(--primary);
  text-decoration: none;
}

/* ===== 前台页面 ===== */
.hero {
  background: linear-gradient(135deg, #0f4c4c 0%, #1a6b6b 100%);
  color: #fff;
  padding: 60px 24px;
  text-align: center;
}
.hero h1 { font-size: 36px; margin-bottom: 12px; }
.hero p { font-size: 18px; opacity: 0.9; }

/* 首页头部轮播图 */
.hero-carousel { position: relative; width: 100%; overflow: hidden; }
.hero-carousel-inner { position: relative; width: 100%; height: 360px; }
.hero-carousel-track { position: relative; width: 100%; height: 100%; }
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,76,76,0.6) 0%, rgba(26,107,107,0.5) 100%);
}
.hero-text {
  position: relative;
  text-align: center;
  color: #fff;
  padding: 0 24px;
  z-index: 2;
}
.hero-text h1 { font-size: 36px; margin-bottom: 12px; text-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.hero-text p { font-size: 18px; opacity: 0.95; text-shadow: 0 2px 8px rgba(0,0,0,0.3); }
.hero-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.4);
  color: #fff;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 10;
}
.hero-btn:hover { background: rgba(0,0,0,0.7); }
.hero-prev { left: 16px; }
.hero-next { right: 16px; }
.hero-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all 0.2s;
}
.hero-dot.active {
  background: #fff;
  width: 24px;
  border-radius: 4px;
}
@media (max-width: 768px) {
  .hero-carousel-inner { height: 240px; }
  .hero-text h1 { font-size: 24px; }
  .hero-text p { font-size: 14px; }
  .hero-btn { width: 36px; height: 36px; font-size: 16px; }
}

.container { max-width: 1200px; margin: 0 auto; padding: 32px 24px; }

.section-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 活动卡片 */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}
.event-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  cursor: pointer;
}
.event-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.event-card-cover {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}
.event-card-cover-placeholder {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, #e0f0f0, #c7d8d8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}
.event-card-body { padding: 20px; }
.event-card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.event-card-desc {
  color: var(--gray-500);
  font-size: 14px;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.event-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--gray-500);
}
.event-card-meta span { display: flex; align-items: center; gap: 4px; }
.event-card-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 8px;
}
.badge-active { background: #d1fae5; color: #065f46; }
.badge-draft { background: var(--gray-100); color: var(--gray-500); }
.badge-ended { background: #fee2e2; color: #991b1b; }

/* 活动详情 */
.event-detail { max-width: 900px; margin: 0 auto; padding: 32px 24px; }
.event-detail-header { margin-bottom: 24px; }
.event-detail-title { font-size: 28px; font-weight: 700; margin-bottom: 12px; }
.event-detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--gray-500);
  font-size: 14px;
  margin-bottom: 16px;
}
.event-detail-meta span { display: flex; align-items: center; gap: 6px; }

.event-cover {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 24px;
}

.event-video {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 24px;
  background: #000;
}

.event-content {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  white-space: pre-wrap;
  font-size: 16px;
  line-height: 1.8;
}

/* 轮播图 */
.carousel {
  position: relative;
  width: 100%;
  max-height: 450px;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
  background: var(--gray-100);
}
.carousel-track {
  position: relative;
  width: 100%;
  height: 450px;
}
.carousel-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.carousel-slide.active { opacity: 1; }
.carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  cursor: pointer;
}
.carousel.auto-height { max-height: none; }
.event-detail-header:has(+ .carousel.auto-height) { margin-bottom: 0; }
.carousel.auto-height .carousel-track { height: auto; }
.carousel-slide.tall-slide {
  position: relative;
  inset: auto;
}
.carousel-slide.tall-slide img {
  width: 100%;
  height: auto;
  object-fit: contain;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: #fff;
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 10;
}
.carousel-btn:hover { background: rgba(0,0,0,0.8); }
.carousel-prev { left: 12px; }
.carousel-next { right: 12px; }
.carousel-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}
.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all 0.2s;
}
.carousel-dot.active {
  background: #fff;
  width: 24px;
  border-radius: 4px;
}
@media (max-width: 768px) {
  .carousel-track { height: 260px; }
  .carousel-btn { width: 32px; height: 32px; font-size: 14px; }
}

/* 富文本编辑器 */
.rich-editor {
  border: 1px solid var(--gray-300);
  border-radius: var(--radius);
  overflow: hidden;
}
.rich-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px;
  background: var(--gray-50);
  border-bottom: 1px solid var(--gray-200);
}
.rich-toolbar button {
  min-width: 36px;
  height: 32px;
  padding: 0 10px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 14px;
  color: var(--gray-700);
  transition: all 0.15s;
}
.rich-toolbar button:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.rich-content {
  min-height: 200px;
  max-height: 500px;
  overflow-y: auto;
  padding: 16px;
  font-size: 15px;
  line-height: 1.8;
  outline: none;
}
.rich-content:empty::before {
  content: attr(data-placeholder);
  color: var(--gray-300);
}
.rich-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 16px 0 8px;
}
.rich-content img {
  max-width: 100%;
  border-radius: 8px;
  margin: 8px 0;
}
.rich-content ul, .rich-content ol {
  padding-left: 24px;
  margin: 8px 0;
}

/* 前台活动内容中的图片 */
.event-content img {
  width: calc(100% + 64px);
  margin-left: -32px;
  margin-right: -32px;
  border-radius: 0;
  display: block;
}
.event-content img:first-child {
  margin-top: -32px;
}
.event-content img:last-child {
  margin-bottom: -32px;
}
.event-content img + h3 {
  margin-top: 0;
}
.event-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 16px 0 8px;
}
.event-content ul, .event-content ol {
  padding-left: 24px;
  margin: 8px 0;
}

/* 报名表单 */
.register-form {
  background: #fff;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-row { display: flex; gap: 12px; }
.register-form h3 { font-size: 20px; margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--gray-700);
}
.form-group label .required { color: var(--danger); }
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 8px;
  font-size: 15px;
  transition: border-color 0.2s;
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
textarea.form-control { min-height: 100px; resize: vertical; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 24px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-outline {
  background: transparent;
  border: 1px solid var(--gray-300);
  color: var(--gray-700);
}
.btn-outline:hover { background: var(--gray-100); }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== 后台管理 ===== */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 240px;
  background: var(--gray-900);
  color: #fff;
  padding: 24px 0;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}
.admin-sidebar-brand {
  padding: 0 24px 24px;
  font-size: 18px;
  font-weight: 700;
  border-bottom: 1px solid var(--gray-700);
  margin-bottom: 16px;
}
.admin-sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  color: var(--gray-300);
  font-size: 14px;
  transition: all 0.2s;
}
.admin-sidebar nav a:hover, .admin-sidebar nav a.active {
  background: var(--gray-700);
  color: #fff;
  text-decoration: none;
}
.admin-sidebar nav a svg { width: 20px; height: 20px; flex-shrink: 0; }

.admin-main {
  flex: 1;
  margin-left: 240px;
  padding: 32px;
}
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.admin-header h2 { font-size: 22px; font-weight: 700; }

/* 统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}
.stat-card {
  background: #fff;
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.stat-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 24px;
}
.stat-card-value { font-size: 28px; font-weight: 700; }
.stat-card-label { font-size: 14px; color: var(--gray-500); }

/* 表格 */
.table-wrap {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table { width: 100%; border-collapse: collapse; }
th {
  background: var(--gray-50);
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}
td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-100);
  font-size: 14px;
}
tr:hover td { background: var(--gray-50); }

/* 弹窗 */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}
.modal-overlay.active { display: flex; }
.modal {
  background: #fff;
  border-radius: var(--radius);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
}
.modal-header h3 { font-size: 18px; font-weight: 600; }
.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--gray-500);
  line-height: 1;
}
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--gray-200);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* 登录页 */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f4c4c 0%, #1a6b6b 100%);
}
.login-card {
  background: #fff;
  padding: 40px;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 400px;
}
.login-card h2 { text-align: center; margin-bottom: 8px; }
.login-card p { text-align: center; color: var(--gray-500); margin-bottom: 24px; }

/* 状态标签 */
.status-tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}
.status-pending { background: #fef3c7; color: #92400e; }
.status-approved { background: #d1fae5; color: #065f46; }
.status-rejected { background: #fee2e2; color: #991b1b; }
.status-attended { background: #dbeafe; color: #1e40af; }

/* 上传区域 */
.upload-area {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 12px;
}
.upload-area:hover { border-color: var(--primary); background: var(--primary-light); }
.upload-area svg { width: 32px; height: 32px; color: var(--gray-500); margin-bottom: 8px; }
.upload-list { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.upload-item {
  position: relative;
  width: 100px;
  height: 100px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}
.upload-item img, .upload-item video { width: 100%; height: 100%; object-fit: cover; }
.upload-item .remove-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Toast */
.toast {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  border-radius: 8px;
  color: #fff;
  font-size: 14px;
  z-index: 2000;
  animation: toastIn 0.3s ease;
  box-shadow: var(--shadow-lg);
  max-width: 90%;
  text-align: center;
}
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--primary); }
@keyframes toastIn {
  from { transform: translate(-50%, -20px); opacity: 0; }
  to { transform: translateX(-50%); opacity: 1; }
}

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--gray-500);
}
.empty-state svg { width: 64px; height: 64px; margin-bottom: 16px; }

/* 工具栏 */
.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.toolbar .form-control { width: auto; min-width: 200px; }
.toolbar .spacer { flex: 1; }

/* 分页 */
.pagination { display: flex; gap: 4px; justify-content: center; margin-top: 20px; }
.pagination button {
  padding: 6px 12px;
  border: 1px solid var(--gray-300);
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
}
.pagination button.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination button:disabled { opacity: 0.5; cursor: not-allowed; }

/* 顶部导航栏 */
.admin-topnav {
  display: flex;
  gap: 4px;
  background: #fff;
  padding: 8px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.topnav-btn {
  padding: 8px 16px;
  border: none;
  background: transparent;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  color: var(--gray-500);
  transition: all 0.2s;
  font-family: inherit;
  white-space: nowrap;
}
.topnav-btn:hover { background: var(--gray-100); color: var(--gray-900); }
.topnav-btn.active { background: var(--primary); color: #fff; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .admin-sidebar { display: none; }
  .admin-main { margin-left: 0; }
  .admin-topnav { display: flex; }
  .events-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 24px; }
  .hero p { font-size: 14px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .events-grid { grid-template-columns: 1fr; }
  .form-row { flex-direction: column; gap: 0; }
  #view-settings > div { max-width: 100% !important; }
}

/* 悬浮按钮 */
.float-actions {
  position: fixed;
  right: 20px;
  bottom: 80px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 800;
}
.float-btn {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transition: transform 0.2s;
  position: relative;
}
.float-btn:hover { transform: scale(1.1); }
.float-btn svg { width: 24px; height: 24px; }
.float-btn-phone { background: var(--primary); }
.float-btn-wechat { background: #07c160; }
.float-btn-label {
  position: absolute;
  right: 62px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.75);
  color: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.float-btn:hover .float-btn-label { opacity: 1; }

/* 微信弹窗 */
.wechat-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1100;
  display: none;
  align-items: center;
  justify-content: center;
}
.wechat-modal.active { display: flex; }
.wechat-modal-content {
  background: #fff;
  border-radius: 16px;
  padding: 32px;
  text-align: center;
  max-width: 340px;
  width: 90%;
}
.wechat-modal-content h3 { margin-bottom: 16px; }
.wechat-modal-content img {
  width: 220px;
  height: 220px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
}
.wechat-modal-content .wechat-id {
  font-size: 16px;
  font-weight: 600;
  margin-top: 12px;
  color: var(--gray-700);
  user-select: all;
}

/* 支付区域 */
.payment-section {
  background: linear-gradient(135deg, #f0fdf4 0%, #ecfdf5 100%);
  border: 1px solid #d1fae5;
  border-radius: var(--radius);
  padding: 24px;
  margin-top: 20px;
  text-align: center;
}
.payment-section h3 {
  color: #07c160;
  margin-bottom: 8px;
}
.payment-amount {
  font-size: 32px;
  font-weight: 700;
  color: #07c160;
  margin: 12px 0;
}
.payment-amount small { font-size: 16px; font-weight: 400; }
.payment-btn {
  background: #07c160;
  color: #fff;
  border: none;
  padding: 12px 40px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  font-family: inherit;
}
.payment-btn:hover { opacity: 0.9; }
.payment-btn:disabled { opacity: 0.5; cursor: not-allowed; }