/* ============================================
   儿童动画城 - 主样式表
   CSS前缀: et-
   风格: 积木城堡卡通风
   ============================================ */

/* === 字体引入 === */
@import url('https://fonts.googleapis.com/css2?family=ZCOOL+KuaiLe&display=swap');

/* === CSS变量 === */
:root {
  --et-primary: #FFD166;
  --et-secondary: #42A5F5;
  --et-red: #EF5350;
  --et-green: #66BB6A;
  --et-text: #5D4037;
  --et-link: #FF8A65;
  --et-bg-light: #FFF8E1;
  --et-bg-white: #FFFFFF;
  --et-shadow: 0 4px 15px rgba(93, 64, 55, 0.15);
  --et-radius: 16px;
  --et-radius-lg: 24px;
  --et-font-title: 'ZCOOL KuaiLe', 'Comic Sans MS', cursive, sans-serif;
  --et-font-body: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

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

body {
  font-family: var(--et-font-body);
  color: var(--et-text);
  background-color: var(--et-bg-light);
  line-height: 1.8;
  overflow-x: hidden;
}

a {
  color: var(--et-link);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--et-red);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--et-font-title);
  color: var(--et-text);
  line-height: 1.4;
}

/* === 隐藏干扰标签 === */
.kids-jammer-block {
  display: none !important;
}

/* === 容器 === */
.et-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* === 导航栏 === */
#et-header {
  background: linear-gradient(135deg, var(--et-primary) 0%, #FFE082 50%, var(--et-secondary) 100%);
  padding: 12px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  z-index: 1000;
  position: relative;
}

.et-nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.et-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.et-logo-icon {
  width: 48px;
  height: 48px;
  background: var(--et-red);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 3px 0 #C62828;
  transform: rotate(-5deg);
}

.sp-logo-text {
  font-family: var(--et-font-title);
  font-size: 1.6rem;
  color: var(--et-text);
  text-shadow: 2px 2px 0 rgba(255,255,255,0.5);
}

.et-nav-menu {
  display: flex;
  list-style: none;
  gap: 6px;
}

.et-nav-item {
  position: relative;
}

.et-nav-link {
  display: block;
  padding: 10px 18px;
  font-family: var(--et-font-title);
  font-size: 1rem;
  color: var(--et-text);
  background: rgba(255,255,255,0.6);
  border-radius: 12px 12px 4px 4px;
  border: 2px solid rgba(255,255,255,0.8);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-decoration: none;
  white-space: nowrap;
}

.et-nav-link:hover,
.et-nav-link.et-active {
  transform: translateY(-6px);
  background: #fff;
  color: var(--et-red);
  box-shadow: 0 6px 0 rgba(0,0,0,0.1);
}

/* 汉堡菜单 */
.et-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: rgba(255,255,255,0.6);
  border-radius: 10px;
  border: none;
}

.et-hamburger span {
  width: 28px;
  height: 3px;
  background: var(--et-text);
  border-radius: 3px;
  transition: all 0.3s ease;
}

/* === 英雄区 / 轮播 === */
.et-hero {
  position: relative;
  overflow: hidden;
  border-radius: 0 0 var(--et-radius-lg) var(--et-radius-lg);
}

.et-hero-slider {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.et-hero-slide {
  min-width: 100%;
  position: relative;
}

.et-hero-slide img {
  width: 100%;
  height: 450px;
  object-fit: cover;
}

.et-hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40px;
  background: linear-gradient(transparent, rgba(93, 64, 55, 0.7));
  color: #fff;
}

.et-hero-overlay h2 {
  font-size: 2rem;
  color: #fff;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.et-hero-overlay p {
  font-size: 1.1rem;
  margin-top: 8px;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.et-hero-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.et-hero-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  border: 2px solid #fff;
  transition: all 0.3s ease;
}

.et-hero-dot.et-active {
  background: var(--et-primary);
  transform: scale(1.3);
}

.et-hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  background: rgba(255,255,255,0.8);
  border: none;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--et-text);
  transition: all 0.3s ease;
}

.et-hero-arrow:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.1);
}

.et-hero-prev { left: 20px; }
.et-hero-next { right: 20px; }

/* === 通用区块标题 === */
.et-section-title {
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.et-section-title h2 {
  font-size: 2rem;
  color: var(--et-text);
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.et-section-title .et-title-icon {
  display: inline-block;
  width: 40px;
  height: 40px;
  background: var(--et-primary);
  border-radius: 10px;
  line-height: 40px;
  text-align: center;
  font-size: 1.2rem;
  box-shadow: 0 3px 0 #F9A825;
}

.et-section-title p {
  margin-top: 10px;
  font-size: 1.05rem;
  color: #8D6E63;
}

.et-section-title .et-badge-new {
  display: inline-block;
  background: var(--et-red);
  color: #fff;
  padding: 2px 10px;
  border-radius: 8px;
  font-size: 0.8rem;
  font-family: var(--et-font-title);
  animation: et-bounce 1s infinite;
  vertical-align: super;
}

/* === 通用模块 === */
.et-section {
  padding: 60px 0;
}

.et-section:nth-child(even) {
  background: rgba(255,255,255,0.5);
}

/* === 卡片网格 === */
.et-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.et-card {
  background: #fff;
  border-radius: var(--et-radius);
  overflow: hidden;
  box-shadow: var(--et-shadow);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 3px solid transparent;
}

.et-card:hover {
  transform: translateY(-8px) scale(1.02);
  border-color: var(--et-primary);
  box-shadow: 0 12px 30px rgba(93, 64, 55, 0.2);
}

.et-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.et-card-body {
  padding: 16px;
}

.et-card-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--et-text);
}

.et-card-body p {
  font-size: 0.9rem;
  color: #8D6E63;
  line-height: 1.6;
}

.et-card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--et-primary);
  color: var(--et-text);
  border-radius: 20px;
  font-size: 0.75rem;
  font-family: var(--et-font-title);
  margin-top: 10px;
}

.et-card-tag.et-tag-blue { background: #BBDEFB; }
.et-card-tag.et-tag-green { background: #C8E6C9; }
.et-card-tag.et-tag-red { background: #FFCDD2; }

/* === 排行榜 === */
.et-ranking-list {
  max-width: 700px;
  margin: 0 auto;
}

.et-ranking-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  background: #fff;
  border-radius: var(--et-radius);
  margin-bottom: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
}

.et-ranking-item:hover {
  transform: translateX(8px);
  box-shadow: var(--et-shadow);
}

.et-ranking-num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--et-font-title);
  font-size: 1.1rem;
  color: #fff;
  flex-shrink: 0;
}

.et-ranking-num.et-rank-1 { background: #FFD166; color: var(--et-text); }
.et-ranking-num.et-rank-2 { background: #B0BEC5; color: #fff; }
.et-ranking-num.et-rank-3 { background: #BCAAA4; color: #fff; }
.et-ranking-num.et-rank-other { background: #E0E0E0; color: #757575; }

.et-ranking-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--et-primary);
}

.et-ranking-info {
  flex: 1;
}

.et-ranking-info h4 {
  font-size: 1rem;
  font-family: var(--et-font-title);
}

.et-ranking-info span {
  font-size: 0.85rem;
  color: #8D6E63;
}

.et-ranking-votes {
  font-family: var(--et-font-title);
  color: var(--et-red);
  font-size: 0.9rem;
}

/* === 按钮 === */
.et-btn {
  display: inline-block;
  padding: 12px 28px;
  font-family: var(--et-font-title);
  font-size: 1rem;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-decoration: none;
  text-align: center;
}

.et-btn:hover {
  transform: translateY(-3px) scale(1.05);
}

.et-btn:active {
  transform: translateY(1px) scale(0.98);
}

.et-btn-primary {
  background: var(--et-primary);
  color: var(--et-text);
  box-shadow: 0 4px 0 #F9A825;
}

.et-btn-primary:hover {
  background: #FFCA28;
  color: var(--et-text);
}

.et-btn-secondary {
  background: var(--et-secondary);
  color: #fff;
  box-shadow: 0 4px 0 #1976D2;
}

.et-btn-red {
  background: var(--et-red);
  color: #fff;
  box-shadow: 0 4px 0 #C62828;
}

.et-btn-green {
  background: var(--et-green);
  color: #fff;
  box-shadow: 0 4px 0 #388E3C;
}

/* === 联系区块 === */
.et-contact-section {
  background: linear-gradient(135deg, #E3F2FD, #FFF8E1);
  padding: 60px 0;
}

.et-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 800px;
  margin: 0 auto;
}

.et-contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.et-input, .et-textarea {
  padding: 14px 18px;
  border: 3px solid #E0E0E0;
  border-radius: var(--et-radius);
  font-size: 1rem;
  font-family: var(--et-font-body);
  transition: border-color 0.3s ease;
  background: #fff;
}

.et-input:focus, .et-textarea:focus {
  outline: none;
  border-color: var(--et-secondary);
}

.et-textarea {
  min-height: 120px;
  resize: vertical;
}

.et-contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
  justify-content: center;
}

.et-contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px;
  background: #fff;
  border-radius: var(--et-radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.et-contact-icon {
  width: 44px;
  height: 44px;
  background: var(--et-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

/* === 页脚 === */
#et-footer {
  background: linear-gradient(180deg, #5D4037 0%, #3E2723 100%);
  color: #D7CCC8;
  padding: 50px 0 0;
}

.et-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

.et-footer-col h3 {
  font-family: var(--et-font-title);
  color: var(--et-primary);
  font-size: 1.2rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 3px solid rgba(255,209,102,0.3);
}

.et-footer-col ul {
  list-style: none;
}

.et-footer-col ul li {
  margin-bottom: 10px;
}

.et-footer-col ul li a {
  color: #D7CCC8;
  font-size: 0.95rem;
  transition: all 0.3s ease;
}

.et-footer-col ul li a:hover {
  color: var(--et-primary);
  padding-left: 6px;
}

.et-footer-qr {
  display: flex;
  gap: 20px;
}

.et-footer-qr-item {
  text-align: center;
}

.et-footer-qr-item .et-qr-placeholder {
  width: 80px;
  height: 80px;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 6px;
}

.et-footer-qr-item span {
  font-size: 0.8rem;
}

.et-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px;
  text-align: center;
  font-size: 0.85rem;
  line-height: 2;
}

.et-footer-bottom a {
  color: #FFCC80;
}

.et-footer-honor {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 6px 0;
}

.et-honor-badge {
  display: inline-block;
  background: var(--et-primary);
  color: var(--et-text);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: bold;
}

/* === 内页通用 === */
.et-page-banner {
  height: 300px;
  position: relative;
  overflow: hidden;
  border-radius: 0 0 var(--et-radius-lg) var(--et-radius-lg);
}

.et-page-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.et-page-banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(66,165,245,0.6), rgba(255,209,102,0.6));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

.et-page-banner-overlay h1 {
  font-size: 2.5rem;
  color: #fff;
  text-shadow: 3px 3px 6px rgba(0,0,0,0.3);
}

.et-page-banner-overlay p {
  color: #fff;
  font-size: 1.1rem;
  margin-top: 10px;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
}

.et-page-content {
  padding: 50px 0;
}

.et-breadcrumb {
  padding: 16px 0;
  font-size: 0.9rem;
  color: #8D6E63;
}

.et-breadcrumb a {
  color: var(--et-link);
}

.et-breadcrumb span {
  margin: 0 8px;
  color: #BCAAA4;
}

/* === 乐园页面 === */
.et-playground-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  min-height: 500px;
}

.et-game-sidebar {
  background: #fff;
  border-radius: var(--et-radius);
  padding: 24px;
  box-shadow: var(--et-shadow);
}

.et-game-sidebar h3 {
  font-size: 1.2rem;
  margin-bottom: 16px;
  color: var(--et-text);
}

.et-game-list {
  list-style: none;
}

.et-game-list li {
  padding: 12px 16px;
  margin-bottom: 8px;
  background: var(--et-bg-light);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--et-font-title);
  font-size: 0.95rem;
}

.et-game-list li:hover,
.et-game-list li.et-active {
  background: var(--et-primary);
  transform: translateX(6px);
}

.et-game-area {
  background: #fff;
  border-radius: var(--et-radius);
  padding: 30px;
  box-shadow: var(--et-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.et-puzzle-container {
  display: grid;
  gap: 4px;
  margin: 20px auto;
  max-width: 400px;
}

.et-puzzle-piece {
  aspect-ratio: 1;
  background: var(--et-secondary);
  border-radius: 8px;
  cursor: grab;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--et-font-title);
  color: #fff;
  font-size: 1.2rem;
  transition: all 0.2s ease;
  user-select: none;
}

.et-puzzle-piece:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.et-puzzle-piece.et-correct {
  background: var(--et-green);
}

.et-puzzle-piece.et-empty {
  background: rgba(0,0,0,0.05);
  cursor: default;
}

/* 涂色区 */
.et-coloring-area {
  text-align: center;
}

.et-color-palette {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 20px 0;
  flex-wrap: wrap;
}

.et-color-swatch {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  border: 3px solid transparent;
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.et-color-swatch:hover,
.et-color-swatch.et-selected {
  transform: scale(1.2);
  border-color: var(--et-text);
}

.et-coloring-canvas {
  border: 4px solid var(--et-primary);
  border-radius: var(--et-radius);
  cursor: crosshair;
  max-width: 100%;
}

/* === APP下载页 === */
.et-app-hero {
  text-align: center;
  padding: 80px 20px;
  background: linear-gradient(135deg, #E3F2FD, #FFF8E1, #E8F5E9);
}

.et-app-phone {
  max-width: 400px;
  margin: 0 auto 30px;
  border-radius: var(--et-radius-lg);
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.et-app-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.et-app-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  background: var(--et-text);
  color: #fff;
  border-radius: 14px;
  font-size: 1rem;
  transition: all 0.3s ease;
  text-decoration: none;
}

.et-app-btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
  color: #fff;
}

.et-app-btn-icon {
  font-size: 1.8rem;
}

.et-app-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  padding: 60px 0;
}

.et-app-feature-card {
  text-align: center;
  padding: 30px 20px;
  background: #fff;
  border-radius: var(--et-radius);
  box-shadow: var(--et-shadow);
  transition: all 0.3s ease;
}

.et-app-feature-card:hover {
  transform: translateY(-6px);
}

.et-app-feature-icon {
  width: 64px;
  height: 64px;
  background: var(--et-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 16px;
}

/* === 动画效果 === */
@keyframes et-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@keyframes et-jelly {
  0% { transform: scale(1); }
  25% { transform: scale(1.1, 0.9); }
  50% { transform: scale(0.95, 1.05); }
  75% { transform: scale(1.02, 0.98); }
  100% { transform: scale(1); }
}

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

@keyframes et-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.et-animate-in {
  animation: et-fadeInUp 0.6s ease forwards;
}

.et-float {
  animation: et-float 3s ease-in-out infinite;
}

/* === 响应式 - 1440px === */
@media (max-width: 1440px) {
  .et-container {
    max-width: 1100px;
  }
}

/* === 响应式 - 1024px === */
@media (max-width: 1024px) {
  .et-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .et-footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .et-playground-layout {
    grid-template-columns: 1fr;
  }

  .et-contact-grid {
    grid-template-columns: 1fr;
  }
}

/* === 响应式 - 768px === */
@media (max-width: 768px) {
  .et-nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--et-primary), #FFE082);
    flex-direction: column;
    padding: 20px;
    gap: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    z-index: 999;
  }

  .et-nav-menu.et-menu-open {
    display: flex;
  }

  .et-hamburger {
    display: flex;
  }

  .et-hero-slide img {
    height: 280px;
  }

  .et-hero-overlay h2 {
    font-size: 1.4rem;
  }

  .et-section-title h2 {
    font-size: 1.5rem;
  }

  .et-section {
    padding: 40px 0;
  }

  .et-footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .et-footer-qr {
    justify-content: center;
  }

  .et-page-banner {
    height: 200px;
  }

  .et-page-banner-overlay h1 {
    font-size: 1.8rem;
  }

  .sp-logo-text {
    font-size: 1.2rem;
  }
}

/* === 响应式 - 360px === */
@media (max-width: 360px) {
  html {
    font-size: 14px;
  }

  .et-card-grid {
    grid-template-columns: 1fr;
  }

  .et-hero-slide img {
    height: 200px;
  }

  .et-hero-overlay {
    padding: 20px;
  }

  .et-hero-overlay h2 {
    font-size: 1.2rem;
  }

  .et-nav-link {
    padding: 8px 14px;
    font-size: 0.9rem;
  }

  .et-app-buttons {
    flex-direction: column;
    align-items: center;
  }
}

/* === 辅助类 === */
.et-text-center { text-align: center; }
.et-mt-20 { margin-top: 20px; }
.et-mt-40 { margin-top: 40px; }
.et-mb-20 { margin-bottom: 20px; }
.et-mb-40 { margin-bottom: 40px; }
.et-py-40 { padding-top: 40px; padding-bottom: 40px; }