/* ========================================
   红岸AI - 全新设计系统 (Red Coast AI Modern Design System)
   优化版本：20260127.03
   ======================================== */

:root {
  /* 核心色彩 - 现代温暖色调 */
  --primary-color: #E67E6E;
  --primary-hover-color: #D66D5D;
  --secondary-color: #8C7355;
  --accent-color: #F2C94C;
  --neutral-dark: #2D2D2D;
  --neutral-gray: #6B7280;
  --light-gray: #F3F4F6;
  --white: #FFFFFF;

  /* 渐变色 */
  --primary-gradient: linear-gradient(135deg, #E67E6E 0%, #FF9A8B 100%);
  --secondary-gradient: linear-gradient(135deg, #8C7355 0%, #BF9B7A 100%);
  --background-gradient: linear-gradient(180deg, #FFFBF5 0%, #FDF3E7 100%);
  --card-background: rgba(255, 255, 255, 0.95);
  --glass-effect: rgba(255, 255, 255, 0.85);
  --background-color: #FFFFFF;  /* 通用背景色 */

  /* 文字颜色 */
  --text-color: #1F2937;  /* 主要文本颜色 */
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;

  /* 边框和分割线 */
  --border-color: rgba(230, 126, 110, 0.15);
  --border-light: #E5E7EB;
  --divider-color: #E0E0E0;

  /* 状态颜色 */
  --success-color: #10B981;
  --warning-color: #F59E0B;
  --error-color: #EF4444;
  --info-color: #3B82F6;

  /* 阴影效果 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* 新增阴影变量 */
  --box-shadow-soft: 0 4px 12px rgba(0, 0, 0, 0.08);
  --box-shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);

  /* 圆角 */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-3xl: 32px;
  --radius-full: 9999px;

  /* 间距 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 28px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;
  --space-24: 96px;

  /* 字体 */
  --font-display: "Optima", "Candara", "Noto Serif SC", serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Monaco", "Inconsolata", "Fira Mono", "Droid Sans Mono", "Source Code Pro", monospace;

  /* 字体大小 */
  --text-xs: 0.75rem; /* 12px */
  --text-sm: 0.875rem; /* 14px */
  --text-base: 1rem; /* 16px */
  --text-lg: 1.125rem; /* 18px */
  --text-xl: 1.25rem; /* 20px */
  --text-2xl: 1.5rem; /* 24px */
  --text-3xl: 1.875rem; /* 30px */
  --text-4xl: 2.25rem; /* 36px */
  --text-5xl: 3rem; /* 48px */
  --text-6xl: 3.75rem; /* 60px */

  /* 字重 */
  --font-thin: 100;
  --font-extralight: 200;
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  --font-black: 900;

  /* 动画时长 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-bounce: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 1. 基础重置 & 布局 */
* {
  box-sizing: border-box;
}

body {
  background: var(--background-gradient);
  color: var(--text-primary);
  font-family: var(--font-body);
  margin: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.012;
  pointer-events: none;
  z-index: 9999;
}

.layout-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: linear-gradient(135deg, rgba(230, 126, 110, 0.03) 0%, rgba(140, 115, 85, 0.02) 100%);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.main-content {
  flex: 1;
  width: 100%;
}

/* 2. 导航 & 页脚 */
.main-header {
  background: var(--glass-effect);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  transition: padding var(--transition-normal);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  transition: transform var(--transition-spring);
  letter-spacing: -0.02em;
}

.logo:hover {
  transform: scale(1.02);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
  position: relative;
}

.nav-toggle-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary-color);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--primary-color);
  left: 0;
  transition: all 0.3s ease;
}

.nav-toggle-icon::before { top: -8px; }
.nav-toggle-icon::after { top: 8px; }

.nav-toggle.is-active .nav-toggle-icon {
  background: transparent;
}

.nav-toggle.is-active .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-active .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-link {
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  position: relative;
  padding: var(--space-2) 0;
  transition: all var(--transition-normal);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background: rgba(230, 126, 110, 0.05);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
  border-radius: var(--radius-full);
}

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

.main-footer {
  background: linear-gradient(135deg, #3D3530 0%, #2D2D2D 100%);
  color: #DDD5CC;
  padding: var(--space-8) 0 var(--space-6);
  margin-top: var(--space-16);
}

.footer-simple {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.footer-logo {
  font-size: var(--text-xl);
  font-weight: 600;
  color: #fff;
  letter-spacing: 1px;
}

.footer-slogan {
  font-size: var(--text-sm);
  color: #B0A69B;
  font-style: italic;
}

.footer-contact {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-contact a,
.footer-contact span {
  color: #B0A69B;
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color 0.2s ease;
}

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

.footer-contact i {
  margin-right: 6px;
}

.footer-divider {
  color: #5A524A;
}

.footer-bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-copyright {
  text-align: center;
  font-size: 0.75rem;
  color: #7A726A;
}

.footer-copyright a {
  color: #7A726A;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

@media (max-width: 640px) {
  .footer-contact {
    flex-direction: column;
    gap: var(--space-2);
  }
  .footer-divider {
    display: none;
  }
}

/* 3. 核心组件 - ra 前缀 */
.ra-card {
  background: var(--card-background);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(230, 126, 110, 0.1);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
  transition: all var(--transition-bounce);
  backdrop-filter: blur(10px);
  position: relative;
  margin-bottom: var(--space-8);
}

.ra-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(230, 126, 110, 0.2);
}

/* 卡片光泽效果 */
.ra-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  pointer-events: none;
  border-radius: inherit;
  transition: none;
}

.ra-card:hover::after {
  animation: card-gloss 0.6s ease forwards;
}

@keyframes card-gloss {
  0% { left: -100%; }
  100% { left: 100%; }
}

.ra-card-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-primary);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border-color);
}

.ra-card-body {
  padding: var(--space-6);
}

.ra-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  height: 44px;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-decoration: none;
  gap: var(--space-2);
  min-width: 120px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.ra-btn::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 0.5s;
}

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

.ra-btn-primary {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 15px -3px rgba(230, 126, 110, 0.4);
}

.ra-btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 25px -3px rgba(230, 126, 110, 0.5);
}

.ra-btn-secondary {
  background: white;
  color: var(--secondary-color);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.ra-btn-secondary:hover {
  background: #FFF9F2;
  border-color: var(--secondary-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* 按钮 Active/Pressed 状态 */
.ra-btn:active:not(:disabled) {
  transform: scale(0.95);
  transition: transform 0.1s ease;
}

.ra-btn-primary:active:not(:disabled) {
  transform: translateY(-1px) scale(0.97);
  box-shadow: 0 4px 15px -3px rgba(230, 126, 110, 0.5);
}

.ra-btn-secondary:active:not(:disabled) {
  transform: scale(0.96);
  background: #FFF3E7;
}

.ra-form-group {
  margin-bottom: var(--space-6);
  text-align: left;
}

.ra-label {
  display: block;
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.ra-label.required::after {
  content: '*';
  color: var(--error-color);
  margin-left: var(--space-1);
}

/* 表单焦点增强 */
.ra-form-group:focus-within .ra-label {
  color: var(--primary-color);
  transition: color var(--transition-normal);
}

.ra-input {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  background: white;
  font-family: inherit;
  font-size: var(--text-base);
  height: 44px;
  transition: all var(--transition-normal);
  box-shadow: var(--box-shadow-inset);
}

.ra-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(230, 126, 110, 0.1);
}

/* 输入框验证状态 */
.ra-input.valid {
  border-color: #B8E6B8;
  background: linear-gradient(to right, #FAFFFA 0%, white 10%);
  box-shadow: 0 0 0 3px rgba(184, 230, 184, 0.15);
}

.ra-input.error {
  border-color: #FFB4B4;
  background: linear-gradient(to right, #FFF9F9 0%, white 10%);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
  animation: shake 0.5s ease;
}

.ra-input.ra-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236B7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--space-3) center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: var(--space-10);
}

/* Textarea 样式 */
textarea.ra-input {
  height: auto;
  min-height: 120px;
  resize: vertical;
  line-height: 1.6;
}

.ra-badge {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.ra-badge-primary {
  background: rgba(230, 126, 110, 0.1);
  color: var(--primary-color);
}

.ra-badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-color);
}

.ra-badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning-color);
}

.ra-badge-error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error-color);
}

.ra-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
}

.ra-status-success {
  color: var(--success-color);
}

.ra-status-warning {
  color: var(--warning-color);
}

.ra-status-error {
  color: var(--error-color);
}

.ra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
}

.ra-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.ra-alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
  animation: slideInUp 0.3s ease;
}

.ra-alert-info {
  background: linear-gradient(135deg, #E6F7FF 0%, #D6E4FF 100%);
  border-color: #91D5FF;
  color: #0050B3;
}

.ra-alert-info i {
  color: #1890FF;
  margin-top: 4px;
}

.ra-alert-success {
  background: linear-gradient(135deg, #F6FFED 0%, #D9F7BE 100%);
  border-color: #B7EB8F;
  color: #389E0D;
}

.ra-alert-warning {
  background: linear-gradient(135deg, #FFFBE6 0%, #FFF1B8 100%);
  border-color: #FFE58F;
  color: #D48806;
}

.ra-alert-error {
  background: linear-gradient(135deg, #FFF2F0 0%, #FFECEB 100%);
  border-color: #FFCCC7;
  color: #FF4D4F;
}

.ra-table-container {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  background: white;
  box-shadow: var(--shadow-md);
}

.ra-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.ra-table th {
  background: linear-gradient(180deg, #FAF7F2 0%, #F5F1EA 100%);
  padding: var(--space-4);
  text-align: left;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  font-weight: var(--font-semibold);
  position: sticky;
  top: 0;
}

.ra-table td {
  padding: var(--space-4);
  border-bottom: 1px solid rgba(230, 126, 110, 0.05);
  transition: background-color 0.2s ease;
}

.ra-table tr:hover td {
  background-color: rgba(230, 126, 110, 0.02);
}

/* 4. 页面特定组件 */
.hero {
  padding: var(--space-16) 0;
  text-align: center;
  overflow: hidden;
  position: relative;
  background: radial-gradient(circle at center, rgba(230, 126, 110, 0.05) 0%, transparent 70%);
}

/* 旧的网格类，为了向后兼容保留但统一样式 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin: var(--space-10) 0;
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: var(--space-5);
  }
}

@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
}

@media (min-width: 1400px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23e67e6e' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
  opacity: 0.3;
  z-index: -1;
}

.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-5xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: var(--text-xl);
  color: var(--secondary-color);
  font-weight: var(--font-semibold);
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
  text-transform: uppercase;
}

.hero-description {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto var(--space-8);
  line-height: 1.7;
}

/* 旧的features-grid定义，已废弃，保留是为了向后兼容 */
.old-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(320px, 100%), 1fr));
  gap: var(--space-8);
  margin: var(--space-10) 0;
}

.feature-card {
  background: var(--card-background);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: all var(--transition-bounce);
  height: 100%;
  position: relative;
  overflow: hidden;
}

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

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

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  background: white;
  border-color: rgba(230, 126, 110, 0.2);
}

.feature-icon {
  font-size: 1.8rem;
  color: var(--primary-color);
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(212, 129, 102, 0.08) 0%, rgba(212, 129, 102, 0.03) 100%);
  border-radius: 18px;
  margin-bottom: var(--space-3);
  box-shadow: inset 0 0 0 1px rgba(212, 129, 102, 0.1);
}

/* 自定义图标系统 - 基于字符和装饰线 */
.ra-icon-decorative::before {
  content: '✦';
  font-family: var(--font-display);
}

.feature-card:nth-child(1) .feature-icon::before { content: '✎'; }
.feature-card:nth-child(2) .feature-icon::before { content: '◈'; }
.feature-card:nth-child(3) .feature-icon::before { content: '▤'; }
.feature-card:nth-child(4) .feature-icon::before { content: '♬'; }
.feature-card:nth-child(5) .feature-icon::before { content: '⌘'; }
.feature-card:nth-child(6) .feature-icon::before { content: '⚙'; }
.feature-card:nth-child(7) .feature-icon::before { content: '🧸'; }
.feature-card:nth-child(8) .feature-icon::before { content: '🛒'; }
.feature-card:nth-child(9) .feature-icon::before { content: '📊'; }

/* 状态增强 */
.status-spinning::before {
  content: '⟳';
  display: inline-block;
  animation: spin 2s linear infinite;
  margin-right: 8px;
}

.ra-empty-icon::before {
  content: '☕';
  font-size: 3rem;
  opacity: 0.3;
}

.gift-card-icon {
  width: 48px;
  height: 48px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: white;
}

.feature-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin: 0 0 var(--space-3) 0;
  color: var(--text-primary);
  line-height: 1.3;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.reveal-element {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.no-js .reveal-element,
.reveal-visible {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

/* 工具类 */
.mt-12 { margin-top: var(--space-3); }
.py-40 { padding-top: var(--space-10); padding-bottom: var(--space-10); }
.pt-40 { padding-top: var(--space-10); }
.pb-40 { padding-bottom: var(--space-10); }
.mt-24 { margin-top: var(--space-6); }
.mt-32 { margin-top: var(--space-8); }
.mb-12 { margin-bottom: var(--space-3); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-24 { margin-bottom: var(--space-6); }
.mb-32 { margin-bottom: var(--space-8); }
.ml-12 { margin-left: var(--space-3); }
.mr-12 { margin-right: var(--space-3); }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: var(--space-1); }
.gap-8 { gap: var(--space-2); }
.gap-12 { gap: var(--space-3); }
.gap-16 { gap: var(--space-4); }
.gap-24 { gap: var(--space-6); }
.w-full { width: 100%; }
.h-full { height: 100%; }
.bg-white { background-color: var(--white) !important; }
.mb-40 { margin-bottom: var(--space-10); }

/* 首页增强样式 */
.home-feature-icon {
  font-size: 48px;
  margin-bottom: var(--space-4);
}

.step-number {
  width: 80px;
  height: 80px;
  background: var(--primary-gradient);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  color: white;
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  box-shadow: var(--shadow-md);
}

.cta-button-group {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.cta-secondary-white {
  background: rgba(255, 255, 255, 0.9) !important;
  border-color: rgba(255, 255, 255, 0.3) !important;
}

/* 通用组件补充 */
.ra-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-6);
  text-align: center;
  color: var(--text-muted);
}

.ra-empty-icon {
  font-size: 4rem;
  color: rgba(230, 126, 110, 0.1);
  margin-bottom: var(--space-6);
}

.ra-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 错误摇晃动画 */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

/* 骨架屏变体 */
.ra-skeleton-circle {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.ra-skeleton-button {
  height: 44px;
  border-radius: var(--radius-full);
  background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.ra-skeleton-card {
  height: 200px;
  border-radius: var(--radius-xl);
  background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.ra-skeleton-text {
  height: 16px;
  margin-bottom: 8px;
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, #f0f0f0 25%, #f8f8f8 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
}

.ra-skeleton-text:last-child {
  width: 60%;
}

.ra-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.ra-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.ra-breadcrumb a:hover {
  color: var(--primary-color);
}

.ra-breadcrumb-separator {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

/* 统一按钮样式增强 */
.ra-btn-group {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.ra-btn-large {
  padding: var(--space-4) var(--space-8);
  height: auto;
  font-size: var(--text-base);
}

.ra-btn-small {
  padding: var(--space-2) var(--space-4);
  height: 32px;
  font-size: var(--text-sm);
  min-width: 80px;
}

.ra-btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--primary-gradient);
  color: white;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.ra-btn-icon:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* 统一卡片样式增强 */
.ra-card-fluid {
  width: 100%;
  max-width: none;
}

.ra-card-centered {
  text-align: center;
}

.ra-card-section {
  padding: var(--space-10) 0;
}

/* 统一表格样式增强 */
.ra-table-responsive {
  overflow-x: auto;
}

.ra-table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(230, 126, 110, 0.02);
}

.ra-table-hover tbody tr:hover {
  background-color: rgba(230, 126, 110, 0.05);
}

/* 统一表单样式增强 */
.ra-form-horizontal {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-4);
  align-items: center;
}

.ra-form-stacked {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.ra-input-full {
  width: 100%;
}

.ra-input-half {
  width: 50%;
}

.ra-input-quarter {
  width: 25%;
}

/* 统一徽章样式增强 */
.ra-badge-outline {
  background: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

.ra-badge-round {
  border-radius: var(--radius-full);
}

.ra-badge-square {
  border-radius: var(--radius-sm);
}

/* 统一状态指示器 */
.ra-status-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background-color: var(--success-color);
}

.ra-status-indicator.warning {
  background-color: var(--warning-color);
}

.ra-status-indicator.error {
  background-color: var(--error-color);
}

.ra-status-indicator.offline {
  background-color: var(--text-muted);
}

/* 统一加载指示器 */
.ra-loader {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(230, 126, 110, 0.2);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 统一进度条 */
.ra-progress {
  width: 100%;
  height: 8px;
  background-color: var(--light-gray);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.ra-progress-bar {
  height: 100%;
  background: var(--primary-gradient);
  transition: width var(--transition-normal);
}

/* 统一标签页 */
.ra-tabs {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: var(--space-2);
}

.ra-tab-item {
  padding: var(--space-3) var(--space-5);
  text-decoration: none;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.ra-tab-item:hover {
  color: var(--primary-color);
  background-color: rgba(230, 126, 110, 0.05);
}

.ra-tab-item.active {
  color: var(--primary-color);
  background-color: rgba(230, 126, 110, 0.1);
  font-weight: var(--font-semibold);
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .container {
    padding: 0 var(--space-5);
  }

  .hero-title {
    font-size: var(--text-4xl);
  }

  .hero-subtitle {
    font-size: var(--text-lg);
  }

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

@media (max-width: 1024px) {
  .container {
    padding: 0 var(--space-4);
  }

  .hero-title {
    font-size: calc(var(--text-4xl) * 0.9);
  }

  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr));
    gap: var(--space-5);
  }

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

  .cta-card {
    padding: var(--space-8);
  }

  .cta-title {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-6);
    z-index: 1000;
    padding: var(--space-10);
    animation: fadeIn 0.3s ease;
  }

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

  .nav-link {
    font-size: var(--text-lg);
    width: 100%;
    text-align: center;
    padding: var(--space-4) 0;
  }

  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-subtitle {
    font-size: var(--text-base);
  }

  .hero-description {
    font-size: var(--text-base);
    max-width: 100%;
  }

  .ra-card {
    padding: var(--space-5);
  }

  .ra-card-title {
    font-size: var(--text-xl);
    padding-bottom: var(--space-3);
  }

  .ra-btn {
    width: 100%;
    min-width: auto;
  }

  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }

  .hero {
    padding: var(--space-10) 0;
  }

  .section-header {
    margin-bottom: var(--space-8);
  }

  .ra-grid-3 {
    grid-template-columns: 1fr;
  }

  .ra-form-horizontal {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

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

  .ra-btn-group > * {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-3);
  }

  .hero-title {
    font-size: var(--text-2xl);
  }

  .hero-subtitle {
    font-size: var(--text-sm);
    letter-spacing: 0.025em;
  }

  .ra-card {
    padding: var(--space-4);
  }

  .ra-card-title {
    font-size: var(--text-lg);
  }

  .feature-icon {
    width: 50px;
    height: 50px;
    font-size: var(--text-2xl);
  }

  .step-number {
    width: 60px;
    height: 60px;
    font-size: var(--text-xl);
  }

  .stat-number {
    font-size: var(--text-2xl);
  }

  .cta-title {
    font-size: var(--text-2xl);
  }

  .cta-subtitle {
    font-size: var(--text-base);
  }

  .ra-tabs {
    flex-wrap: wrap;
  }

  .ra-tab-item {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
  }

  .ra-table {
    font-size: var(--text-xs);
  }

  .ra-table th,
  .ra-table td {
    padding: var(--space-2);
  }
}

/* 超小屏幕优化 */
@media (max-width: 360px) {
  .hero {
    padding: var(--space-8) 0;
  }

  .hero-title {
    font-size: var(--text-xl);
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
  }

  .ra-btn {
    padding: var(--space-3) var(--space-4);
  }
}

/* 大屏幕优化 */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }

  .hero-title {
    font-size: var(--text-6xl);
  }

  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* 横屏模式优化 */
@media (orientation: landscape) and (max-height: 500px) {
  .nav-links {
    position: fixed;
    top: var(--space-16);
    height: calc(100vh - var(--space-16));
  }
}

/* 特殊效果 */
.ra-btn:disabled,
.ra-btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.ra-input:disabled,
.ra-input.disabled {
  background-color: #f9fafb;
  cursor: not-allowed;
}

.ra-points-display {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  font-weight: var(--font-medium);
}

.ra-points-value {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--primary-color);
}

/* 表单增强样式 */
.ra-form {
  background: white;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.ra-form-content {
  margin-bottom: var(--space-6);
}

.ra-error {
  color: var(--error-color);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  display: block;
}

.ra-success {
  color: var(--success-color);
  font-size: var(--text-xs);
  margin-top: var(--space-1);
  display: block;
}

/* 课程卡片样式 */

.course-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
  color: var(--text-primary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.4;
}


/* 闪存消息样式 */
.flash-messages {
  position: fixed;
  top: var(--space-16);
  right: var(--space-6);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 400px;
}

.flash-message {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease, fadeOut 0.5s ease 4.5s forwards;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: white;
  min-width: 300px;
}

.flash-message.success {
  background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
}

.flash-message.error {
  background: linear-gradient(135deg, var(--error-color) 0%, #dc2626 100%);
}

.flash-message.info {
  background: linear-gradient(135deg, var(--info-color) 0%, #2563eb 100%);
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
    visibility: hidden;
  }
}

/* 首页新增样式 */
.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--space-6);
}

.stats-section {
  margin: var(--space-16) 0;
  padding: var(--space-8) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
}

.stat-card {
  background: var(--card-background);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  text-align: center;
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.stat-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(230, 126, 110, 0.1) 0%, rgba(140, 115, 85, 0.1) 100%);
  border-radius: var(--radius-full);
  font-size: var(--text-xl);
  color: var(--primary-color);
}

.stat-number {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--primary-color);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: var(--font-medium);
}

.section-padding {
  padding: var(--space-16) 0;
}

.section-header {
  margin-bottom: var(--space-12);
}

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-top: var(--space-2);
}

.feature-description {
  color: var(--text-secondary);
  font-size: var(--text-base);
  line-height: 1.6;
  margin: var(--space-3) 0 var(--space-4);
  flex: 1;
}

.feature-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-color);
}

.feature-link {
  color: var(--primary-color);
  font-weight: var(--font-semibold);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  transition: all 0.3s ease;
}

.feature-link:hover {
  color: var(--primary-hover-color);
  transform: translateX(3px);
}

.cta-section {
  padding: var(--space-16) 0;
  margin: var(--space-16) 0;
}

.cta-card {
  background: var(--primary-gradient);
  border-radius: var(--radius-2xl);
  padding: var(--space-12);
  text-align: center;
  color: white;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  transform: rotate(30deg);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
  color: white;
}

.cta-subtitle {
  font-size: var(--text-lg);
  opacity: 0.9;
  margin-bottom: var(--space-6);
  color: rgba(255, 255, 255, 0.9);
}

.cta-button {
  background: white;
  color: var(--primary-color);
  font-weight: var(--font-bold);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2);
}

/* 响应式增强 */
@media (max-width: 768px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .ra-btn {
    width: 100%;
    max-width: 300px;
  }

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

  .cta-title {
    font-size: var(--text-2xl);
  }

  .section-header {
    margin-bottom: var(--space-8);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--text-3xl);
  }

  .hero-subtitle {
    font-size: var(--text-lg);
  }

  .stat-number {
    font-size: var(--text-2xl);
  }

  .cta-card {
    padding: var(--space-8);
  }

  .cta-title {
    font-size: var(--text-xl);
  }

  .cta-subtitle {
    font-size: var(--text-base);
  }
}

/* Pay Page Styles */
.pay-intro-section {
  text-align: center;
  margin-bottom: var(--space-10);
}

.pay-intro-text {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.pay-checkout-container {
  text-align: center;
  padding: var(--space-5) 0;
}

.pay-amount-display {
  margin-bottom: var(--space-2);
}

.pay-amount-display .currency {
  font-size: 1.5rem;
  color: var(--text-color);
  margin-right: 4px;
}

.pay-amount-display .amount {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--primary-color);
}

.pay-points-hint {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-8);
}

.pay-points-highlight {
  color: var(--primary-color);
  font-weight: 700;
}

.qrcode-wrapper {
  position: relative;
  display: inline-block;
  padding: var(--space-4);
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--box-shadow-soft);
  border: 1px solid rgba(0,0,0,0.05);
}

.ra-qrcode {
  width: 220px;
  height: 220px;
  display: block;
}

.qrcode-overlay {
  margin-top: var(--space-3);
  font-size: 0.9rem;
  color: #07C160; /* 微信绿 */
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.pay-info-list {
  margin: var(--space-8) auto;
  max-width: 400px;
  text-align: left;
}

.pay-info-item {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) 0;
  border-bottom: 1px dashed var(--border-color);
}

.pay-info-item .label {
  color: var(--text-secondary);
}

.pay-info-item .value {
  font-weight: 500;
  color: var(--text-color);
}

.pay-actions {
  margin-top: var(--space-10);
}

.package-card-item {
  height: 100%;
  padding: var(--space-8) var(--space-6);
  text-align: center;
  transition: all 0.3s ease;
  border: 1px solid rgba(230, 126, 110, 0.1);
}

.package-card-item:hover {
  transform: translateY(-8px);
  border-color: var(--primary-color);
}

.package-points {
  color: var(--primary-color);
  margin-bottom: var(--space-2);
}

.package-points .num {
  font-size: 2.2rem;
  font-weight: 800;
}

.package-points .unit {
  font-size: 1rem;
  font-weight: 600;
  margin-left: 4px;
}

.package-price {
  font-size: 1.1rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.pay-package-btn {
  width: 100%;
  margin-top: var(--space-5);
}

.pay-status-success {
  color: #a3d9a5;
}

.pay-status-error {
  color: var(--error-color);
}


/* Authentication Pages Styles */
.auth-container {
  max-width: 450px;
  margin: 0 auto;
}

.auth-title {
  justify-content: center;
  margin-bottom: var(--space-8);
}

.error-message {
  color: var(--error-color);
  font-size: 0.8rem;
  margin-top: var(--space-1);
}

.auth-actions {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.auth-page-grid {
  justify-content: center;
}

.auth-card {
  max-width: 500px;
  width: 100%;
}

.auth-card-title {
  justify-content: center;
  margin-bottom: var(--space-8);
}

.auth-actions-flex {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Feature Detail Page Styles */
.feature-overview-card {
  margin-bottom: var(--space-6);
}

.feature-overview-body {
  padding: var(--space-8);
}

.feature-overview-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.feature-overview-info {
  flex: 1;
  min-width: 300px;
}

.feature-name {
  font-size: 2rem;
  margin-bottom: var(--space-3);
  color: var(--text-color);
}

.feature-name-icon {
  color: var(--primary-color);
  margin-right: var(--space-3);
}

.feature-form-actions {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.feature-submit-btn {
  width: 100%;
  height: 50px;
  font-size: 1.1rem;
}

.feature-form-btn-group {
  display: flex;
  gap: var(--space-3);
}

.feature-back-btn {
  flex: 1;
  text-align: center;
}

.audio-player-icon {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: var(--space-4);
}

.audio-player-controls {
  width: 100%;
}

.download-audio-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.image-result-actions {
  margin-top: var(--space-4);
  display: flex;
  gap: var(--space-3);
}

.image-view-btn {
  flex: 1;
  text-align: center;
}

.image-result-img {
  border-radius: var(--radius-md);
  box-shadow: var(--box-shadow-soft);
}

.debug-info-section {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px dashed rgba(0,0,0,0.1);
}

.debug-link {
  font-size: 0.85rem;
}

.points-tag {
  background: var(--primary-color);
  color: white;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 12px rgba(230, 126, 110, 0.2);
}

/* Courses Page Styles */
.course-category-tabs {
  margin-bottom: var(--space-8);
}

.course-card-body {
  padding: var(--space-5);
}

.course-card {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}
.course-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}
.course-thumb-container {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--background-color);
  overflow: hidden;
}
.course-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.course-card:hover .course-thumb {
  transform: scale(1.05);
}
.course-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  gap: 8px;
}
.course-badge {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  backdrop-filter: blur(8px);
}
.course-badge.purchased {
  background: rgba(16, 185, 129, 0.9);
  color: white;
}
.course-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.price-val {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}
.price-unit {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.price-free {
  color: #a3d9a5;
  font-weight: 600;
}
.course-action {
  margin-top: var(--space-5);
}
.course-call-btn {
  width: 100%;
}
.course-disabled-btn {
  width: 100%;
  opacity: 0.6;
}

/* Admin Page Styles */
.admin-action-btn {
  height: 36px;
  padding: 0 16px;
}

.admin-table-id {
  color: var(--text-muted);
}

.admin-table-unclassified {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.admin-table-points {
  text-align: center;
  font-weight: 700;
  color: var(--primary-color);
}

.admin-table-workflow-id {
  font-size: 0.8rem;
  font-family: monospace;
  opacity: 0.6;
}

.admin-table-actions {
  display: flex;
  gap: 8px;
}

.admin-table-edit-btn {
  height: 32px;
  padding: 0 12px;
  font-size: 0.85rem;
}

.admin-table-delete-btn {
  height: 32px;
  padding: 0 12px;
  font-size: 0.85rem;
  color: var(--error-color);
  border-color: rgba(217, 136, 136, 0.2);
}

/* Admin Users Page Styles */
.admin-user-id {
  color: var(--text-muted);
}

.admin-user-points {
  font-weight: 700;
  color: var(--primary-color);
}

.admin-user-date {
  color: var(--text-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
}

.admin-user-actions {
  white-space: nowrap;
}

.admin-user-points-form {
  display: flex;
  gap: 8px;
  align-items: center;
}

.admin-user-points-input {
  width: 100px;
  height: 32px;
  padding: 0 8px;
  font-size: 0.85rem;
}

.admin-user-points-btn {
  height: 32px;
  padding: 0 12px;
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Profile Page Styles */
.profile-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-10);
}

.profile-stat-icon {
  color: var(--secondary-color);
}

.profile-actions {
  display: flex;
  gap: var(--space-3);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.profile-log-title {
  font-size: 1.2rem;
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-8);
}

.profile-log-time {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.profile-log-change {
  font-weight: 700;
}

.profile-log-decrease {
  color: var(--error-color);
}

.profile-log-increase {
  color: var(--success-color);
}

.profile-log-type {
  background: #F5F0EB;
}

.profile-log-details {
  font-size: 0.9rem;
}

.profile-log-empty {
  text-align: center;
  padding: var(--space-10);
  color: var(--text-secondary);
}

/* Pay Success Page Styles */
.pay-success-page-grid {
  justify-content: center;
}

.pay-success-card {
  max-width: 600px;
  width: 100%;
}

.pay-success-body {
  padding: var(--space-15);
  text-align: center;
}

.pay-success-title {
  font-size: 2rem;
  margin-top: var(--space-6);
  color: var(--text-color);
}

.pay-success-desc {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: var(--space-10);
}

.pay-success-points {
  color: var(--primary-color);
  font-weight: 700;
}

.order-summary-card {
  background: var(--background-color);
  padding: var(--space-6);
  border-radius: var(--radius-md);
  text-align: left;
}
.order-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(0,0,0,0.05);
}
.order-row:last-child { border-bottom: none; }
.order-row .label { color: var(--text-muted); font-size: 0.9rem; }
.order-row .value { color: var(--text-color); font-weight: 500; font-size: 0.95rem; }

.success-actions {
  margin-top: var(--space-12);
  display: flex;
  gap: var(--space-4);
}

.pay-success-feature-btn {
  flex: 1.5;
  text-align: center;
}

.pay-success-profile-btn {
  flex: 1;
  text-align: center;
}

/* 成功动画效果 */
.success-checkmark {
  width: 80px;
  height: 80px;
  margin: 0 auto;
  position: relative;
}
.check-icon {
  width: 80px;
  height: 80px;
  position: relative;
  border-radius: 50%;
  box-sizing: content-box;
  border: 4px solid #a3d9a5;
}
.icon-line {
  height: 5px;
  background-color: #a3d9a5;
  display: block;
  border-radius: 2px;
  position: absolute;
  z-index: 10;
}
.line-tip {
  top: 46px;
  left: 14px;
  width: 25px;
  transform: rotate(45deg);
}
.line-long {
  top: 38px;
  right: 8px;
  width: 47px;
  transform: rotate(-45deg);
}

/* Call Log Page Styles */
.call-log-action-btn {
  height: 36px;
  padding: 0 16px;
}

.call-log-time {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.call-log-points-cost {
  color: var(--primary-color);
  font-weight: 700;
}

.call-log-points-zero {
  color: var(--text-muted);
}

.call-log-detail-btn {
  height: 32px;
  padding: 0 12px;
  font-size: 0.85rem;
}

.call-log-pagination {
  margin-top: var(--space-8);
}

/* Pagination Styles */
.ra-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.ra-pagination-item {
  display: flex;
  align-items: center;
  justify-content: center;
}

.ra-pagination-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  text-decoration: none;
  transition: all 0.2s ease;
  font-size: 0.9rem;
  font-weight: 500;
}

.ra-pagination-link:hover {
  background-color: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

.ra-pagination-current {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background-color: var(--primary-color);
  color: white;
  border: 1px solid var(--primary-color);
  font-weight: 700;
}

.ra-pagination-ellipsis {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Base Page Styles */
.logo-img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.logo-img:hover {
  transform: scale(1.1);
}

/* Admin Form Page Styles */
.admin-form-hint {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Features Page Styles */
.feature-points-icon {
  color: var(--accent-color);
}

.feature-category-filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.feature-category-link {
  text-decoration: none;
  padding: 8px 20px;
}

.feature-category-badge {
  font-size: 0.7rem;
  margin-bottom: 8px;
}

.feature-description {
  color: var(--text-secondary);
  font-size: 0.9rem;
  flex-grow: 1;
}

.feature-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px dashed var(--border-color);
}

.feature-cost {
  font-weight: 700;
  color: var(--primary-color);
}

.feature-call-btn {
  height: 38px;
  padding: 0 15px;
}