/* 在这里可以添加额外的自定义样式 */

/* Mobile Safari & Chrome highlight fix - THIS MUST BE AT THE TOP */
html, body {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0,0,0,0);
}

/* Class applied via JS to prevent highlighting on mobile */
.no-highlight, 
.no-highlight:focus, 
.no-highlight:active {
    -webkit-tap-highlight-color: rgba(0,0,0,0) !important;
    -webkit-touch-callout: none !important;
    -webkit-user-select: none !important;
    -khtml-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    outline: none !important;
    box-shadow: none !important;
}

/* Remove focus outline from all interactive elements */
*:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* Remove mobile tap highlight */
* {
    -webkit-tap-highlight-color: rgba(0,0,0,0) !important;
    -webkit-tap-highlight-color: transparent !important;
    -webkit-touch-callout: none !important;
    -webkit-focus-ring-color: rgba(0,0,0,0) !important;
}

/* Additional mobile-specific rules to prevent blue highlight */
a, button, input, textarea, select, [role="button"], 
[class*="btn"], [class*="action"] {
    -webkit-user-select: none !important;
    user-select: none !important;
}

/* Specific focus styles for interactive elements */
button:focus,
a:focus,
input:focus,
select:focus,
textarea:focus,
.btn:focus,
.btn-primary:focus,
.btn-outline:focus,
.action-button:focus,
.primary-action:focus,
.secondary-action:focus,
.example-btn:focus,
.primary-btn:focus,
.outline-btn:focus,
.success-btn:focus,
.disabled-btn:focus,
.card-btn:focus,
.highlight-btn:focus,
.creation-action:focus,
div[role="button"]:focus,
[class*="-btn"]:focus,
[class*="btn-"]:focus,
[class*="-action"]:focus,
[class*="action-"]:focus {
    outline: none !important;
    box-shadow: none !important;
}

/* 动画背景公共样式 */
.section-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* 确保所有有背景动画的部分都使用相对定位 */
section {
  position: relative;
  z-index: 1;
}

/* 确保各部分内容在动画上方显示 */
section > *, section .container, .testimonial-cards {
  position: relative;
  z-index: 2;
}

/* 优化图标显示 */
.fas {
  font-size: 1.2em;
  vertical-align: middle;
  position: relative;
  top: -0.05em;
}

/* 按钮内图标间距调整 */
.btn i {
  margin-right: 0.5em;
}

/* 按钮SVG图标样式 */
.btn-icon {
  margin-right: 0.5em;
  vertical-align: middle;
  position: relative;
  top: -1px;
}

/* 色彩系统展示区样式 */
.color-system {
  padding: var(--spacing-lg) 0;
  background-color: var(--dark-bg);
  position: relative;
}

.color-system .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.color-system-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  color: var(--neutral-300);
  font-size: 1.1rem;
  line-height: 1.6;
}

.color-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.color-category {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.category-title {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-sm);
  color: var(--neutral-100);
  position: relative;
  padding-bottom: 0.5rem;
}

.category-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary-color);
  border-radius: 1px;
}

.color-palettes {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.color-palette {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.wide-palette {
  grid-column: 1 / -1;
}

.color-swatch {
  width: 60px;
  height: 60px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
}

.gradient-swatch {
  width: 100px;
}

.color-info {
  flex: 1;
}

.color-name {
  font-weight: 600;
  color: var(--neutral-100);
  margin-bottom: 0.25rem;
}

.color-value {
  font-family: monospace;
  font-size: 0.9rem;
  color: var(--neutral-400);
  margin-bottom: 0.25rem;
  word-break: break-all;
}

/* 技术人员版CSS值 */
.color-value-tech {
  font-family: monospace;
  font-size: 0.85rem;
  color: var(--neutral-500);
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  word-break: break-all;
  padding: 4px 8px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  position: relative;
}

.color-value-tech::before {
  content: "开发代码：";
  position: absolute;
  font-size: 0.7rem;
  top: -20px;
  left: 0;
  color: var(--neutral-400);
}

/* 设计人员版渐变信息 */
.color-value-design {
  margin-bottom: 0.75rem;
}

.gradient-info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.gradient-direction {
  font-size: 0.85rem;
  color: var(--neutral-300);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.direction-indicator {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
  flex-shrink: 0;
}

.direction-indicator::after {
  content: '';
  position: absolute;
  width: 8px;
  height: 8px;
  border-right: 2px solid rgba(255, 255, 255, 0.8);
  border-bottom: 2px solid rgba(255, 255, 255, 0.8);
  transform-origin: center;
}

.deg135::after {
  top: 6px;
  left: 6px;
  transform: rotate(45deg);
}

.deg145::after {
  top: 5px;
  left: 6px;
  transform: rotate(60deg);
}

.gradient-colors {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.gradient-color {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.color-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-block;
  flex-shrink: 0;
}

.glass-dot {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.04));
  position: relative;
}

.glass-dot::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
}

.glass-dot.darker {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.08));
}

.color-code {
  font-size: 0.85rem;
  color: var(--neutral-300);
}

.color-usage {
  font-size: 0.85rem;
  color: var(--neutral-500);
  line-height: 1.4;
}

.color-system-note {
  text-align: center;
  color: var(--neutral-500);
  font-size: 0.9rem;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 768px) {
  .color-categories {
    grid-template-columns: 1fr;
  }
  
  .color-swatch {
    width: 50px;
    height: 50px;
  }
  
  .gradient-swatch {
    width: 80px;
  }
  
  .color-value {
    font-size: 0.8rem;
  }
}

/* 设计示例区域样式 */
.design-examples {
  padding: var(--spacing-lg) 0;
  background: linear-gradient(180deg, var(--dark-bg), rgba(29, 29, 43, 0.8));
  position: relative;
  overflow: hidden;
}

.design-examples .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.examples-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
  color: var(--neutral-300);
  font-size: 1.1rem;
  line-height: 1.6;
}

.example-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.example-category {
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.example-content {
  margin-top: var(--spacing-sm);
}

/* 按钮示例样式 */
.buttons-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
}

.button-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: var(--spacing-sm);
}

.example-btn {
  min-width: 150px;
  padding: 12px 24px;
  border-radius: 12px;
  border: none;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.primary-btn {
  background: var(--primary-color);
  color: white;
  box-shadow: 0 4px 12px rgba(131, 105, 232, 0.3);
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(131, 105, 232, 0.4);
}

.outline-btn {
  background: transparent;
  color: var(--neutral-100);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.outline-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.15);
}

.success-btn {
  background: var(--success-green);
  color: white;
  box-shadow: 0 4px 12px rgba(94, 203, 108, 0.3);
}

.success-btn:hover {
  background: #4db85a;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(94, 203, 108, 0.4);
}

.disabled-btn {
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.5);
  cursor: not-allowed;
  box-shadow: none;
}

.element-label {
  font-weight: 600;
  color: var(--neutral-100);
  font-size: 0.9rem;
  margin-top: 8px;
}

.element-desc {
  color: var(--neutral-400);
  font-size: 0.8rem;
  text-align: center;
  line-height: 1.4;
}

/* 卡片示例样式 */
.cards-wrapper {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.example-card {
  flex: 1;
  min-width: 220px;
  background: var(--dark-card);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.3s ease;
  position: relative;
}

.example-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

.card-header {
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-weight: 600;
  color: var(--neutral-100);
}

.card-body {
  padding: 16px;
}

.card-body p {
  color: var(--neutral-300);
  font-size: 0.9rem;
  line-height: 1.5;
  margin: 0;
}

.card-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: right;
}

.card-btn {
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--neutral-100);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.card-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.highlight-btn {
  background: var(--primary-color);
  color: white;
}

.highlight-btn:hover {
  background: #9884ec;
}

.highlight-card {
  border: 1px solid transparent;
  background-image: 
    linear-gradient(var(--dark-card), var(--dark-card)), 
    linear-gradient(135deg, var(--primary-color), var(--like-green));
  background-origin: border-box;
  background-clip: padding-box, border-box;
}

.card-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: var(--like-blue);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* 表单元素样式 */
.form-elements {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group {
  margin-bottom: var(--spacing-sm);
}

.form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--neutral-300);
  font-size: 0.9rem;
}

.form-input, .form-select {
  width: 100%;
  padding: 12px;
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  color: var(--neutral-100);
  transition: all 0.2s ease;
}

.form-input:focus, .form-select:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 2px rgba(131, 105, 232, 0.2);
}

.form-input::placeholder {
  color: var(--neutral-500);
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='white' viewBox='0 0 16 16'%3E%3Cpath d='M8 12L2 6h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
}

.checkbox-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.form-checkbox {
  appearance: none;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  margin-right: 8px;
  position: relative;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.2);
}

.form-checkbox:checked {
  background: var(--primary-color);
  border-color: var(--primary-color);
}

.form-checkbox:checked::after {
  content: '✓';
  position: absolute;
  color: white;
  font-size: 12px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.checkbox-text {
  color: var(--neutral-300);
  font-size: 0.9rem;
}

/* 提示和警告样式 */
.alerts-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.alert {
  display: flex;
  padding: 16px;
  border-radius: 12px;
  gap: 12px;
  align-items: flex-start;
}

.alert-icon {
  flex-shrink: 0;
  font-size: 1.5rem;
  line-height: 1;
}

.alert-content {
  flex: 1;
}

.alert-title {
  font-weight: 600;
  margin-bottom: 4px;
  font-size: 0.95rem;
}

.alert-message {
  font-size: 0.85rem;
  line-height: 1.5;
}

.info-alert {
  background: rgba(131, 105, 232, 0.1);
  border-left: 4px solid var(--primary-color);
}

.info-alert .alert-title {
  color: var(--primary-color);
}

.info-alert .alert-message {
  color: var(--text-secondary);
}

.success-alert {
  background: rgba(94, 203, 108, 0.1);
  border-left: 4px solid var(--success-green);
}

.success-alert .alert-icon {
  color: var(--success-green);
}

.success-alert .alert-title {
  color: var(--success-green);
}

.success-alert .alert-message {
  color: var(--text-secondary);
}

.warning-alert {
  background: rgba(255, 205, 0, 0.1);
  border-left: 4px solid var(--warning-yellow);
}

.warning-alert .alert-title {
  color: var(--warning-yellow);
}

.warning-alert .alert-message {
  color: var(--text-secondary);
}

.examples-note {
  text-align: center;
  color: var(--neutral-500);
  font-size: 0.9rem;
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

@media (max-width: 768px) {
  .example-categories {
    grid-template-columns: 1fr;
  }
  
  .buttons-wrapper {
    grid-template-columns: 1fr 1fr;
  }
  
  .cards-wrapper {
    flex-direction: column;
  }
  
  .example-card {
    width: 100%;
  }
}

:root {
    /* 主题色 */
    --primary-color: #8369E8;  /* C1: 品牌色、交互主色、选中色 */
    
    /* 背景色 */
    --dark-bg: #0F0F14;        /* BG1: 全局背景色 */
    --dark-card: #1B1B27;      /* BG2: 输入框/次按钮 */
    
    /* 线条 */
    --border-color: #404044;   /* L1: 分割线 */
    
    /* 文本颜色 */
    --text-primary: #FFFFFF;   /* F1: 重要文字、大标题 */
    --text-secondary: rgba(255, 255, 255, 0.65); /* F2: 次要文字 */
    --text-tertiary: rgba(255, 255, 255, 0.45);  /* F3: 说明文字 */
    --text-disabled: rgba(255, 255, 255, 0.25);  /* F4: 禁用文字 */
    
    /* 功能色 */
    --success-green: #5ECB6C;  /* G4: 安全、成功、正向提示色 */
    --warning-yellow: #FFCD00; /* G3: 预警、二级提示色 */
    --danger-red: #FE5024;     /* G5: 危险、报错、一级提示色 */
    --like-green: #B7E350;     /* G1: 点赞色绿 */
    --like-orange: #F5A85B;    /* G2: 点赞色橙 */
    --like-blue: #FF6B6B;      /* G6: 点赞色蓝 */
    
    /* 兼容旧变量 */
    --primary-light: #A28BF0;
    --primary-dark: #6E50D8;
    --secondary-color: #B7E350; /* 将次要色改为绿色 */
    --accent-color: #F5A85B;   /* 配色方案中的橙色 */
    --neutral-100: #FFFFFF;
    --neutral-200: #F0F1F9;
    --neutral-300: rgba(255, 255, 255, 0.85);
    --neutral-400: rgba(255, 255, 255, 0.65);
    --neutral-500: rgba(255, 255, 255, 0.45);
    
    /* 背景渐变 - 更丰富的渐变效果 */
    --gradient-dark: linear-gradient(135deg, #0F0F14, #13131D, #0F0F14);
    --gradient-card: linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.08));
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--like-green));
    --gradient-secondary: linear-gradient(135deg, var(--like-green), var(--like-orange));
    --gradient-footer: linear-gradient(180deg, rgba(15, 15, 23, 0.8), rgba(15, 15, 23, 1));
    
    /* 间距 */
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --border-radius: 16px;
    --border-radius-lg: 24px;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    color: var(--neutral-100);
    background: var(--gradient-dark);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 页面布局 */
.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* 头部样式 */
header {
    padding: var(--spacing-sm) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 42px;
}

.app-logo svg {
    height: 38px;
    width: auto;
    filter: drop-shadow(0 0 8px rgba(131, 105, 232, 0.4));
    transition: all 0.3s ease;
}

.app-logo svg:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 12px rgba(131, 105, 232, 0.6));
}

.logo-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.logo {
    font-size: 1.05rem;
    font-weight: bold;
    letter-spacing: 0.5px;
}

.logo-subtitle {
    font-size: 0.6rem;
    color: var(--text-secondary);
    padding: 0px 4px;
    background: rgba(131, 105, 232, 0.15);
    border-radius: var(--border-radius-sm);
    border-left: 2px solid var(--primary-color);
    letter-spacing: 0.3px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.logo-highlight {
    color: #ffffff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

/* Hero 区域样式 */
.hero {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-height: 90vh;
    justify-content: center;
    background: linear-gradient(135deg, #0f0f14, #1b1b27);
    position: relative;
    overflow: hidden;
}

#hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(19, 19, 29, 0.4) 0%, rgba(19, 19, 29, 0.8) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
}

h1 {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
    animation: fadeInUp 1s ease;
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--neutral-100), var(--neutral-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.6;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1.2s ease;
    letter-spacing: -0.5px;
}

/* 按钮样式 */
.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) auto;
    animation: fadeInUp 1.4s ease;
    justify-content: center;
    width: 100%;
    max-width: 500px;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: -0.3px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    min-width: 200px;
}

.btn i {
    margin-right: 10px;
    font-size: 1.2em;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--neutral-100);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(131, 105, 232, 0.4);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.05);
    color: var(--neutral-100);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2);
}

/* APP 容器样式 */
.app-container {
    padding: var(--spacing-lg);
    background: var(--dark-bg);
}

.app-intro {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.app-title {
    position: relative;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: white;
    display: inline-block;
}

.app-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.app-description {
    font-size: 1.2rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* 手机界面样式 */
.app-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    width: 100%;
}

.phone-mockup {
    position: relative;
    width: 320px;
    height: 640px;
    background: #111;
    border-radius: 40px;
    overflow: hidden;
    border: 8px solid #333;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.phone-mockup:hover {
    transform: scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--dark-bg);
    position: relative;
    overflow: hidden;
}

/* APP 界面样式 */
.app-interface {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--dark-bg);
}

.app-header {
    padding: 48px 20px 20px;
    background: linear-gradient(180deg, var(--dark-bg), rgba(19, 19, 29, 0.95));
    color: white;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    z-index: 2;
}

.app-header h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: var(--neutral-100);
    letter-spacing: -0.5px;
}

.app-header p {
    margin: 6px 0 0;
    font-size: 14px;
    color: var(--neutral-400);
    letter-spacing: -0.2px;
}

.app-content {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: var(--dark-bg);
}

.prompt-input {
    background: var(--dark-card);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px;
    color: var(--neutral-300);
    font-size: 14px;
    margin-bottom: 24px;
    line-height: 1.5;
    position: relative;
}

.prompt-input::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0.5;
}

.creation-preview {
    border-radius: 16px;
    overflow: hidden;
    height: 240px;
    background: url('../images/creation-preview-gb.jpg') center/cover no-repeat;
    position: relative;
    margin-bottom: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.creation-overlay {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: flex;
    gap: 10px;
}

.creation-action {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    transition: all 0.2s ease;
}

.creation-action:hover {
    background: rgba(0, 0, 0, 0.7);
    transform: translateY(-2px);
}

/* 风格选择样式 */
.style-label {
    font-size: 14px;
    color: var(--neutral-300);
    margin-bottom: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    letter-spacing: -0.2px;
}

.see-more {
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 500;
    opacity: 0.9;
}

.style-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.style-option {
    aspect-ratio: 1;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.style-option:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.style-option:nth-child(1) {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
}

.style-option:nth-child(2) {
    background: linear-gradient(135deg, var(--like-green), #A3D030);
}

.style-option:nth-child(3) {
    background: linear-gradient(135deg, var(--like-orange), #E09540);
}

.style-option:nth-child(4) {
    background: linear-gradient(135deg, var(--like-blue), #E05050);
}

.style-option:first-child::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 18px;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* APP 底部样式 */
.app-footer {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: var(--dark-bg);
}

.action-button {
    flex: 1;
    padding: 14px;
    border-radius: 14px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    letter-spacing: -0.3px;
}

.action-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.primary-action {
    background: var(--primary-color);
    color: white;
    border: none;
}

.secondary-action {
    background: var(--dark-card);
    color: var(--neutral-300);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* 特性卡片样式 */
.features {
    max-width: 1200px;
    margin: var(--spacing-lg) auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background: var(--gradient-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-md);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.feature-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--like-green));
    transform: translateX(-50%);
    transition: width 0.3s ease;
    border-radius: 3px;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.15);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.1));
}

.feature-card:hover::before {
    opacity: 0.8;
}

.feature-card:hover::after {
    width: 80%;
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 1;
}

.feature-icon::after {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(131, 105, 232, 0.15) 0%, rgba(183, 227, 80, 0.05) 70%, transparent 100%);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.4s ease;
}

.feature-icon svg {
    width: 54px;
    height: 54px;
    filter: drop-shadow(0 4px 10px rgba(131, 105, 232, 0.3));
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.feature-card:hover .feature-icon::after {
    opacity: 1;
    transform: scale(1);
}

.feature-card:hover .feature-icon svg {
    transform: scale(1.15) translateY(-5px);
    filter: drop-shadow(0 6px 15px rgba(131, 105, 232, 0.5));
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--neutral-100);
    letter-spacing: -0.5px;
    text-align: center;
    transition: color 0.3s ease;
    position: relative;
    display: inline-block;
    width: 100%;
}

.feature-card:hover .feature-title {
    background: linear-gradient(90deg, var(--primary-color), var(--like-green));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
}

.feature-description {
    color: var(--neutral-400);
    line-height: 1.6;
    font-size: 0.95rem;
    letter-spacing: -0.2px;
    text-align: center;
    transition: color 0.3s ease, transform 0.3s ease;
}

.feature-card:hover .feature-description {
    color: var(--neutral-300);
    transform: translateY(2px);
}

/* 用户评价样式 */
.testimonials {
    padding: var(--spacing-lg);
    background: linear-gradient(180deg, rgba(29, 29, 43, 0.9), var(--dark-bg));
    text-align: center;
    position: relative;
}

.testimonials::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(91, 124, 255, 0.05), transparent);
    z-index: 1;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    color: white;
}

.testimonial-cards {
    display: flex;
    gap: var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    scroll-snap-type: x mandatory;
}

.testimonial-card {
    flex: 0 0 350px;
    scroll-snap-align: start;
    background: var(--gradient-card);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: left;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    color: var(--neutral-300);
    line-height: 1.6;
}

.testimonial-author {
    font-weight: bold;
    color: var(--neutral-100);
}

/* 页脚样式 */
footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--gradient-footer);
    text-align: center;
    margin-top: auto;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-link {
    color: var(--neutral-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--neutral-100);
}

.copyright {
    color: var(--neutral-400);
}

.icp-info {
    color: var(--neutral-400);
}

.icp-info a {
    color: var(--neutral-400);
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-info a:hover {
    color: var(--neutral-100);
}

/* 动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
/* 小屏幕手机 */
@media (max-width: 480px) {
    .phone-mockup {
        width: 280px;
        height: 560px;
    }
    
    .app-container {
        padding: var(--spacing-sm);
    }
    
    .app-content {
        padding: var(--spacing-sm);
    }
}

/* 平板和中等屏幕 */
@media (max-width: 768px) {
    :root {
        --spacing-lg: 2rem;
        --spacing-md: 1.5rem;
        --spacing-sm: 0.8rem;
    }
    
    .app-container {
        padding: var(--spacing-md);
    }

    h1 {
        font-size: 2.5rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .app-intro {
        grid-template-columns: 1fr;
    }

    .app-image {
        order: -1;
        margin-bottom: var(--spacing-md);
    }

    .phone-mockup {
        width: 300px;
        height: 600px;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .testimonial-cards {
        padding-left: var(--spacing-sm);
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}