/* ============================================
   夏晴子 - 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 */
.c795d0ee6 {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   导航栏
   ============================================ */
.cd8f89649 {
  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);
}

.cd8f89649 .c795d0ee6 {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.c4f216926 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 10px;
}

.c4f216926 .c893bddf7 {
  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;
}

.c4f216926 .c893bddf7 svg {
  width: 20px;
  height: 20px;
  fill: white;
}

.cd5a4eda0 {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cd5a4eda0 a {
  color: var(--color-text-secondary);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  transition: var(--transition-focus);
  position: relative;
}

.cd5a4eda0 a:hover,
.cd5a4eda0 a.c3e9fa1d2 {
  color: var(--color-text);
  background: rgba(0, 230, 118, 0.08);
}

.cd5a4eda0 a:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  transform: scale(1.05);
}

.ce45d57f1 {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* ============================================
   Hero区 - 客厅大屏
   ============================================ */
.cd5e8ec4c {
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.cd5e8ec4c::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;
}

.c8b703178 {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.c999b0c16 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;
}

.c999b0c16 .c5a1321e7 {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.8;
}

.c6dc3f811 {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.cd620dbcd {
  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;
}

.cd620dbcd:hover {
  transform: scale(1.05);
  box-shadow: 0 0 30px var(--color-focus-glow);
  color: #0D0D0D;
}

.c0c3479ff {
  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;
}

.c0c3479ff: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 */
.c22f6a88d {
  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);
}

.c22f6a88d::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 8px;
  background: #333;
  border-radius: 4px;
}

.c22f6a88d img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   内容区通用卡片样式
   ============================================ */
.cb8134e7c {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--color-text);
}

.c2538e944 {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 48px;
  max-width: 680px;
}

.cb26dd2ab {
  text-align: center;
  margin-bottom: 48px;
}

.cb26dd2ab .c2538e944 {
  margin-left: auto;
  margin-right: auto;
}

section {
  padding: 80px 0;
}

/* 焦点卡片 */
.caf13eae1 {
  background: var(--color-card);
  border-radius: var(--radius-md);
  padding: 32px;
  border: 2px solid transparent;
  transition: var(--transition-focus);
  position: relative;
  overflow: hidden;
}

.caf13eae1:hover,
.caf13eae1:focus-within {
  border-color: var(--color-accent);
  transform: scale(1.03);
  box-shadow: var(--shadow-focus);
}

.caf13eae1::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);
}

.caf13eae1:hover::before {
  opacity: 1;
}

.caf13eae1 .c18895ed3 {
  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;
}

.caf13eae1 h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

.caf13eae1 p {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* 规范矩阵网格 */
.cc9945626 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* 组件库展示 */
.c42435741 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.caebdb8ab {
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  transition: var(--transition-focus);
}

.caebdb8ab:hover {
  border-color: var(--color-accent);
  transform: scale(1.02);
  box-shadow: var(--shadow-focus);
}

.caebdb8ab .ce2622bf2 {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.caebdb8ab .c0d802736 {
  padding: 24px;
}

.caebdb8ab h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: var(--color-text);
}

.caebdb8ab .c261ac4c9 {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.caebdb8ab .c261ac4c9 .cddc3a224 {
  color: var(--color-accent);
}

/* 应用拆解瀑布流 */
.c2a2f0688 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.c3ad7a267 {
  background: var(--color-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid transparent;
  transition: var(--transition-focus);
}

.c3ad7a267:hover {
  border-color: var(--color-accent);
  transform: scale(1.02);
  box-shadow: var(--shadow-focus);
}

.c3ad7a267 img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.c3ad7a267 .cf8cec348 {
  padding: 20px;
}

.c3ad7a267 h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.c3ad7a267 p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* 社区热帖 */
.ca01a9cb8 {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ca1f0e5fb {
  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);
}

.ca1f0e5fb:hover {
  border-color: var(--color-accent);
  transform: translateX(8px);
  box-shadow: var(--shadow-focus);
}

.ca1f0e5fb .cfba368a3 {
  padding: 4px 12px;
  background: rgba(0, 230, 118, 0.15);
  color: var(--color-accent);
  border-radius: 20px;
  font-size: 0.8rem;
  white-space: nowrap;
}

.ca1f0e5fb .c6f24a973 {
  flex: 1;
  font-size: 0.95rem;
  color: var(--color-text);
}

.ca1f0e5fb .cf34d0ae2 {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

/* 跨平台工具链 */
.cc601579b {
  background: linear-gradient(180deg, rgba(26, 35, 126, 0.1) 0%, transparent 100%);
}

.c75f9d89f {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================
   面包屑
   ============================================ */
.ce3f17bae {
  padding: 100px 0 20px;
  font-size: 0.9rem;
}

.ce3f17bae a {
  color: var(--color-text-secondary);
}

.ce3f17bae a:hover {
  color: var(--color-accent);
}

.ce3f17bae span {
  color: var(--color-text-secondary);
  margin: 0 8px;
}

.ce3f17bae .c847ea403 {
  color: var(--color-text);
}

/* ============================================
   内页通用
   ============================================ */
.c895d6ccb {
  padding: 100px 0 40px;
  text-align: center;
  background: linear-gradient(180deg, rgba(26, 35, 126, 0.2) 0%, transparent 100%);
}

.c895d6ccb h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.c895d6ccb p {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.cca2ba93e {
  padding: 60px 0;
  max-width: 900px;
  margin: 0 auto;
}

.cca2ba93e 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);
}

.cca2ba93e h3 {
  font-size: 1.35rem;
  font-weight: 600;
  margin: 32px 0 16px;
  color: var(--color-text);
}

.cca2ba93e p {
  margin-bottom: 20px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.cca2ba93e ul, .cca2ba93e ol {
  margin: 16px 0 24px 24px;
  color: var(--color-text-secondary);
}

.cca2ba93e li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.cca2ba93e 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;
}

.cca2ba93e pre {
  background: #121212;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  overflow-x: auto;
  margin: 24px 0;
}

.cca2ba93e pre code {
  background: none;
  padding: 0;
  color: var(--color-accent);
}

.cca2ba93e img {
  width: 100%;
  border-radius: var(--radius-md);
  margin: 24px 0;
}

.cca2ba93e table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.cca2ba93e table th,
.cca2ba93e table td {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.cca2ba93e table th {
  background: var(--color-card);
  color: var(--color-accent);
  font-weight: 600;
}

.cca2ba93e table td {
  color: var(--color-text-secondary);
}

/* FAQ折叠 */
.c9ce3832a {
  margin: 48px 0;
}

.c4face90e {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
}

.c4face90e summary {
  padding: 16px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-card);
  transition: var(--transition-focus);
}

.c4face90e summary:hover {
  color: var(--color-accent);
}

.c4face90e .c6f875bc0 {
  padding: 16px 24px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* ============================================
   页脚
   ============================================ */
.c0a5237dc {
  background: #0A0A0A;
  border-top: 1px solid var(--color-border);
  padding: 60px 0 30px;
}

.c51480ee3 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.cba4bed6b p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 12px;
  line-height: 1.7;
}

.c9bfd42b9 h4 {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: 16px;
}

.c9bfd42b9 a {
  display: block;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  padding: 4px 0;
  transition: var(--transition-focus);
}

.c9bfd42b9 a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.c00e1d31f {
  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);
}

.c00e1d31f 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);
}

.cb92c3bea .result-item {
  padding: 20px;
  border-bottom: 1px solid var(--color-border);
}

.cb92c3bea .result-item h3 a {
  color: var(--color-text);
  font-size: 1.1rem;
}

.cb92c3bea .result-item p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: 8px;
}

/* ============================================
   404页面
   ============================================ */
.cea350e71 {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px;
}

.cea350e71 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);
}

.cea350e71 h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
}

.cea350e71 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;
}

.cc597f51a {
  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) {
  .cc9945626 {
    grid-template-columns: repeat(2, 1fr);
  }
  .c75f9d89f {
    grid-template-columns: repeat(2, 1fr);
  }
  .c51480ee3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .c8b703178 {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .ce45d57f1 {
    display: block;
  }
  
  .cd5a4eda0 {
    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);
  }
  
  .cd5a4eda0.c3e9fa1d2 {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }
  
  .c999b0c16 h1 {
    font-size: 2rem;
  }
  
  .c6dc3f811 {
    flex-direction: column;
  }
  
  .cc9945626 {
    grid-template-columns: 1fr;
  }
  
  .c42435741 {
    grid-template-columns: 1fr;
  }
  
  .c75f9d89f {
    grid-template-columns: 1fr;
  }
  
  .c2a2f0688 {
    grid-template-columns: 1fr;
  }
  
  .c51480ee3 {
    grid-template-columns: 1fr;
  }
  
  .app-features {
    grid-template-columns: 1fr;
  }
  
  .cc597f51a {
    flex-direction: column;
    align-items: center;
  }
  
  .cb8134e7c {
    font-size: 1.5rem;
  }
  
  .c895d6ccb h1 {
    font-size: 1.75rem;
  }
  
  .ca1f0e5fb {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .c795d0ee6 {
    padding: 0 16px;
  }
  
  .cd5e8ec4c {
    padding: 100px 0 60px;
    min-height: auto;
  }
  
  .c999b0c16 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 */
.c180a2373 {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
}

/* 相关链接 */
.c78ef27ed {
  margin-top: 48px;
  padding: 24px;
  background: var(--color-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.c78ef27ed h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.c78ef27ed 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);
}