/* ============================================
   免费黄色 - 大屏深邃蓝+焦点高光白 主题样式
   智能电视(TV)应用开发者社区与大屏交互UI规范平台
   ============================================ */

/* CSS变量定义 */
:root {
  --color-primary: #1A237E;
  --color-accent: #00E676;
  --color-bg: #0D0D0D;
  --color-card: #1E1E1E;
  --color-text: #E0E0E0;
  --color-text-secondary: #9E9E9E;
  --color-border: #333333;
  --color-focus-glow: rgba(0, 230, 118, 0.4);
  --color-primary-light: #283593;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-code: "JetBrains Mono", "Fira Code", "Source Code Pro", monospace;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-focus: 0 0 0 3px var(--color-accent), 0 0 20px var(--color-focus-glow);
  --transition-focus: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1400px;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 链接样式 */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition-focus);
}

a:hover {
  color: #69F0AE;
  text-shadow: 0 0 8px var(--color-focus-glow);
}

/* 容器 */
.cd4cb8f6d {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   导航栏
   ============================================ */
.cec024f25 {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition-focus);
}

.cec024f25 .cd4cb8f6d {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.c4c18f5d6 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.c4c18f5d6 .c04cc1067 {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.c4c18f5d6 .c04cc1067 svg {
  width: 20px;
  height: 20px;
  fill: white;
}

.c541a6fc7 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.c541a6fc7 a {
  color: var(--color-text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: var(--transition-focus);
  position: relative;
}

.c541a6fc7 a:hover,
.c541a6fc7 a.cfa8b972f {
  color: var(--color-text);
  background: rgba(0, 230, 118, 0.08);
}

.c541a6fc7 a:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  transform: scale(1.05);
}

.cbae39dcf {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ============================================
   Hero区 - 客厅大屏
   ============================================ */
.c07254cc1 {
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.c07254cc1::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at center top, rgba(26, 35, 126, 0.3) 0%, transparent 70%);
  pointer-events: none;
}

.cbc392ef2 {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.c343227bb h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.c343227bb .c8bac1402 {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

.cfb411718 {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.c36adc297 {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--color-accent);
  color: #0D0D0D;
  font-weight: 600;
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition-focus);
  border: none;
  cursor: pointer;
}

.c36adc297:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px var(--color-focus-glow);
  color: #0D0D0D;
}

.c3c6b4e6f {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  color: var(--color-accent);
  font-weight: 600;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition-focus);
  cursor: pointer;
}

.c3c6b4e6f:hover {
  background: rgba(0, 230, 118, 0.1);
  transform: scale(1.05);
  box-shadow: 0 0 20px var(--color-focus-glow);
  color: var(--color-accent);
}

/* 电视边框UI */
.cb3a01c0f {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 3px solid #333;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), inset 0 0 30px rgba(26, 35, 126, 0.2);
}

.cb3a01c0f::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 8px;
  background: #333;
  border-radius: 4px;
}

.cb3a01c0f img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   内容区通用卡片样式
   ============================================ */
.c1f09230b {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}

.ca9ed84ac {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 48px;
  max-width: 680px;
}

.c90abe2b8 {
  text-align: center;
  margin-bottom: 48px;
}

.c90abe2b8 .ca9ed84ac {
  margin-left: auto;
  margin-right: auto;
}

section {
  padding: 80px 0;
}

/* 焦点卡片 */
.c2423206b {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 2px solid transparent;
  transition: var(--transition-focus);
  position: relative;
  overflow: hidden;
}

.c2423206b:hover,
.c2423206b:focus-within {
  border-color: var(--color-accent);
  transform: scale(1.03);
  box-shadow: var(--shadow-focus);
}

.c2423206b::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  opacity: 0;
  transition: var(--transition-focus);
}

.c2423206b:hover::before {
  opacity: 1;
}

.c2423206b .c1c884bff {
  width: 56px;
  height: 56px;
  background: rgba(0, 230, 118, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

.c2423206b h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

.c2423206b p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 规范矩阵网格 */
.cef748e54 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* 组件库展示 */
.c2cb9926f {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cd1483ed9 {
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  transition: var(--transition-focus);
}

.cd1483ed9:hover {
  border-color: var(--color-accent);
  transform: scale(1.02);
  box-shadow: var(--shadow-focus);
}

.cd1483ed9 .c41c461c5 {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.cd1483ed9 .ca29f95c5 {
  padding: 24px;
}

.cd1483ed9 h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.cd1483ed9 .c0e44a919 {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.cd1483ed9 .c0e44a919 .ceac062ed {
  color: var(--color-accent);
}

/* 应用拆解瀑布流 */
.c5e41f9be {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.c857a07f2 {
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  transition: var(--transition-focus);
}

.c857a07f2:hover {
  border-color: var(--color-accent);
  transform: scale(1.02);
  box-shadow: var(--shadow-focus);
}

.c857a07f2 img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.c857a07f2 .c796d566e {
  padding: 20px;
}

.c857a07f2 h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.c857a07f2 p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* 社区热帖 */
.c16f95811 {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cb54df4b2 {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  transition: var(--transition-focus);
}

.cb54df4b2:hover {
  border-color: var(--color-accent);
  transform: translateX(8px);
  box-shadow: var(--shadow-focus);
}

.cb54df4b2 .c98ef8cb2 {
  padding: 4px 12px;
  background: rgba(0, 230, 118, 0.15);
  color: var(--color-accent);
  border-radius: 20px;
  font-size: 0.8rem;
  white-space: nowrap;
}

.cb54df4b2 .c3833a8c8 {
  flex: 1;
  font-size: 0.95rem;
  color: var(--color-text);
}

.cb54df4b2 .c836aca57 {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* 跨平台工具链 */
.c72105cb0 {
  background: linear-gradient(180deg, rgba(26, 35, 126, 0.1) 0%, transparent 100%);
}

.cb41a3ec6 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================
   面包屑
   ============================================ */
.c3e4b86ca {
  padding: 100px 0 20px;
  font-size: 0.9rem;
}

.c3e4b86ca a {
  color: var(--color-text-secondary);
}

.c3e4b86ca a:hover {
  color: var(--color-accent);
}

.c3e4b86ca span {
  color: var(--color-text-secondary);
  margin: 0 8px;
}

.c3e4b86ca .cb9b7ac51 {
  color: var(--color-text);
}

/* ============================================
   内页通用
   ============================================ */
.c9fa39e7b {
  padding: 100px 0 40px;
  text-align: center;
  background: linear-gradient(180deg, rgba(26, 35, 126, 0.2) 0%, transparent 100%);
}

.c9fa39e7b h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.c9fa39e7b p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.cc03fd79c {
  padding: 60px 0;
  max-width: 900px;
  margin: 0 auto;
}

.cc03fd79c h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin: 48px 0 20px;
  color: var(--color-text);
  padding-left: 16px;
  border-left: 4px solid var(--color-accent);
}

.cc03fd79c h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 32px 0 16px;
  color: var(--color-text);
}

.cc03fd79c p {
  margin-bottom: 20px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.cc03fd79c ul, .cc03fd79c ol {
  margin: 16px 0 24px 24px;
  color: var(--color-text-secondary);
}

.cc03fd79c li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.cc03fd79c code {
  background: rgba(0, 230, 118, 0.1);
  color: var(--color-accent);
  padding: 2px 8px;
  border-radius: 4px;
  font-family: var(--font-code);
  font-size: 0.9em;
}

.cc03fd79c pre {
  background: #121212;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  overflow-x: auto;
  margin: 24px 0;
}

.cc03fd79c pre code {
  background: none;
  padding: 0;
  color: var(--color-accent);
}

.cc03fd79c img {
  width: 100%;
  border-radius: var(--radius-md);
  margin: 24px 0;
}

.cc03fd79c table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.cc03fd79c table th,
.cc03fd79c table td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.cc03fd79c table th {
  background: var(--color-card);
  color: var(--color-accent);
  font-weight: 600;
}

.cc03fd79c table td {
  color: var(--color-text-secondary);
}

/* FAQ折叠 */
.cd71cde4b {
  margin: 48px 0;
}

.ce1018f0b {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.ce1018f0b summary {
  padding: 16px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-card);
  transition: var(--transition-focus);
}

.ce1018f0b summary:hover {
  color: var(--color-accent);
}

.ce1018f0b .cd445f258 {
  padding: 16px 24px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================================
   页脚
   ============================================ */
.c942f7b32 {
  background: #0A0A0A;
  border-top: 1px solid var(--color-border);
  padding: 60px 0 30px;
}

.caab40313 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.c21c6835e p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
  line-height: 1.7;
}

.c307bbfea h4 {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 16px;
}

.c307bbfea a {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: var(--transition-focus);
}

.c307bbfea a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.ca8b69ffb {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.ca8b69ffb a {
  color: var(--color-text-secondary);
  margin-left: 16px;
}

/* ============================================
   搜索页
   ============================================ */
.search-container {
  max-width: 700px;
  margin: 0 auto;
  padding: 40px 0;
}

.search-box {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
}

.search-box input {
  flex: 1;
  padding: 14px 20px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
  transition: var(--transition-focus);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 20px var(--color-focus-glow);
}

.search-box button {
  padding: 14px 24px;
  background: var(--color-accent);
  color: #0D0D0D;
  border: none;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-focus);
}

.c731a945e .result-item {
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
}

.c731a945e .result-item h3 a {
  color: var(--color-text);
  font-size: 1.1rem;
}

.c731a945e .result-item p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 8px;
}

/* ============================================
   404页面
   ============================================ */
.c9728e875 {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px;
}

.c9728e875 h1 {
  font-size: 8rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
  text-shadow: 0 0 40px var(--color-focus-glow);
}

.c9728e875 h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.c9728e875 p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}

/* ============================================
   APP下载页
   ============================================ */
.app-hero {
  padding: 120px 0 60px;
  text-align: center;
}

.app-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 48px 0;
}

.caa6bfe76 {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  background: var(--color-card);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
  font-size: 1rem;
  transition: var(--transition-focus);
}

.download-btn:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
  transform: scale(1.05);
  color: var(--color-text);
}

/* ============================================
   响应式断点
   ============================================ */
@media (max-width: 1024px) {
  .cef748e54 {
    grid-template-columns: repeat(2, 1fr);
  }
  .cb41a3ec6 {
    grid-template-columns: repeat(2, 1fr);
  }
  .caab40313 {
    grid-template-columns: repeat(2, 1fr);
  }
  .cbc392ef2 {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .cbae39dcf {
    display: block;
  }
  
  .c541a6fc7 {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(13, 13, 13, 0.98);
    flex-direction: column;
    padding: 24px;
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-focus);
  }
  
  .c541a6fc7.cfa8b972f {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .c343227bb h1 {
    font-size: 2rem;
  }
  
  .cfb411718 {
    flex-direction: column;
  }
  
  .cef748e54 {
    grid-template-columns: 1fr;
  }
  
  .c2cb9926f {
    grid-template-columns: 1fr;
  }
  
  .cb41a3ec6 {
    grid-template-columns: 1fr;
  }
  
  .c5e41f9be {
    grid-template-columns: 1fr;
  }
  
  .caab40313 {
    grid-template-columns: 1fr;
  }
  
  .app-features {
    grid-template-columns: 1fr;
  }
  
  .caa6bfe76 {
    flex-direction: column;
    align-items: center;
  }
  
  .c1f09230b {
    font-size: 1.5rem;
  }
  
  .c9fa39e7b h1 {
    font-size: 1.75rem;
  }
  
  .cb54df4b2 {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .cd4cb8f6d {
    padding: 0 16px;
  }
  
  .c07254cc1 {
    padding: 100px 0 60px;
    min-height: auto;
  }
  
  .c343227bb h1 {
    font-size: 1.75rem;
  }
  
  section {
    padding: 60px 0;
  }
}

/* ============================================
   动画与焦点效果
   ============================================ */
@keyframes focusPulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--color-accent); }
  50% { box-shadow: 0 0 0 6px var(--color-focus-glow); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-in {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }

/* 焦点态动效 */
.focusable:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  transform: scale(1.03);
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* 时间标注 */
.cbf90370b {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

/* 相关链接 */
.c517262e4 {
  margin-top: 48px;
  padding: 24px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.c517262e4 h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.c517262e4 a {
  display: block;
  padding: 8px 0;
  color: var(--color-accent);
  font-size: 0.95rem;
}

/* 内链标签 */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0;
}

.tag-list a {
  padding: 4px 12px;
  background: rgba(0, 230, 118, 0.1);
  color: var(--color-accent);
  border-radius: 20px;
  font-size: 0.8rem;
  transition: var(--transition-focus);
}

.tag-list a:hover {
  background: rgba(0, 230, 118, 0.2);
}