/* ========================================
   嘉年华风 - Carnival Festival Style
   Neon Grid Matrix Layout System
   ======================================== */

/* === 字体定义 === */
@font-face {
  font-family: 'Pacifico';
  src: url('../fonts/pacifico-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-semibold.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Poppins';
  src: url('../fonts/poppins-bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* === CSS变量 - 5色体系 === */
:root {
  --carnival-midnight: #7B1FA2;
  --carnival-magenta: #FFD600;
  --carnival-cyan: #00C853;
  --carnival-deepblue: #D50000;
  --carnival-silver: #FAFAFA;
  --carnival-midnight-rgb: 123, 31, 162;
  --carnival-magenta-rgb: 255, 214, 0;
  --carnival-cyan-rgb: 0, 200, 83;
  --carnival-deepblue-rgb: 213, 0, 0;
  --carnival-font-heading: 'Pacifico', 'PingFang SC', sans-serif;
  --carnival-font-body: 'Poppins', 'Microsoft YaHei', sans-serif;
}

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

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

body {
  font-family: var(--carnival-font-body);
  background-color: var(--carnival-midnight);
  color: var(--carnival-silver);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
  position: relative;
}

/* 电路板暗纹背景 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0,200,83,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,83,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* === 动画定义 === */

/* 动画1: 嘉年华闪烁 Neon Flicker */
@keyframes carnival-neon-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    text-shadow:
      0 0 7px rgba(var(--carnival-magenta-rgb), 0.8),
      0 0 10px rgba(var(--carnival-magenta-rgb), 0.6),
      0 0 21px rgba(var(--carnival-magenta-rgb), 0.4),
      0 0 42px rgba(var(--carnival-cyan-rgb), 0.3);
    opacity: 1;
  }
  20%, 24%, 55% {
    text-shadow: none;
    opacity: 0.8;
  }
}

@keyframes carnival-border-flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    box-shadow:
      0 0 7px rgba(var(--carnival-magenta-rgb), 0.6),
      0 0 15px rgba(var(--carnival-magenta-rgb), 0.3),
      inset 0 0 7px rgba(var(--carnival-magenta-rgb), 0.1);
    opacity: 1;
  }
  20%, 24%, 55% {
    box-shadow: none;
    opacity: 0.9;
  }
}

/* 动画2: 全息投影显现 Hologram Reveal */
@keyframes carnival-hologram-reveal {
  0% {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    filter: blur(4px) hue-rotate(90deg);
    clip-path: inset(0 0 100% 0);
  }
  30% {
    opacity: 0.5;
    filter: blur(2px) hue-rotate(45deg);
    clip-path: inset(0 0 50% 0);
  }
  60% {
    filter: blur(1px) hue-rotate(0deg);
    clip-path: inset(0 0 10% 0);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0) hue-rotate(0deg);
    clip-path: inset(0 0 0 0);
  }
}

.carnival-hologram-animate {
  animation: carnival-hologram-reveal 0.8s ease-out forwards;
}

/* 动画3: 脉冲波纹 Pulse Ripple */
@keyframes carnival-pulse-ripple {
  0% {
    box-shadow:
      0 0 0 0 rgba(var(--carnival-magenta-rgb), 0.5),
      0 0 0 0 rgba(var(--carnival-cyan-rgb), 0.3);
  }
  50% {
    box-shadow:
      0 0 0 15px rgba(var(--carnival-magenta-rgb), 0),
      0 0 0 8px rgba(var(--carnival-cyan-rgb), 0.1);
  }
  100% {
    box-shadow:
      0 0 0 25px rgba(var(--carnival-magenta-rgb), 0),
      0 0 0 15px rgba(var(--carnival-cyan-rgb), 0);
  }
}

/* 动画4: 数据流瀑布 - 通过Canvas在JS中实现 */

/* === 导航栏 === */
.carnival-nav-bar {
  position: relative;
  background: rgba(var(--carnival-midnight-rgb), 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--carnival-magenta);
  z-index: 100;
  padding: 0 20px;
}

.carnival-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  min-height: 64px;
}

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

.carnival-nav-logo img {
  height: 40px;
  width: 40px;
}

.carnival-nav-logo-text {
  font-family: var(--carnival-font-heading);
  font-size: 20px;
  color: var(--carnival-magenta);
  text-shadow: 0 0 10px rgba(var(--carnival-magenta-rgb), 0.5);
}

.carnival-nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
}

.carnival-nav-links li a {
  display: block;
  padding: 10px 14px;
  color: var(--carnival-silver);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: color 0.3s, background 0.3s;
  border-radius: 4px;
  white-space: nowrap;
}

.carnival-nav-links li a:hover,
.carnival-nav-links li a.carnival-nav-active {
  color: var(--carnival-cyan);
  text-shadow: 0 0 8px rgba(var(--carnival-cyan-rgb), 0.6);
}

.carnival-nav-links li a.carnival-nav-active {
  position: relative;
  animation: carnival-neon-flicker 3s infinite alternate;
}

.carnival-nav-links li a.carnival-nav-active::before {
  content: '◆';
  margin-right: 4px;
  font-size: 8px;
  vertical-align: middle;
  color: var(--carnival-cyan);
}

/* 移动端菜单按钮 */
.carnival-menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--carnival-magenta);
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  border-radius: 4px;
}

.carnival-menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--carnival-magenta);
  border-radius: 2px;
  box-shadow: 0 0 6px rgba(var(--carnival-magenta-rgb), 0.8);
  transition: transform 0.3s;
}

/* === Hero区域 === */
.carnival-hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.carnival-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.carnival-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 26, 46, 0.7);
  z-index: 2;
}

.carnival-hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 40px 20px;
}

.carnival-hero-content h1 {
  font-family: var(--carnival-font-heading);
  font-size: 48px;
  color: var(--carnival-cyan);
  text-shadow:
    0 0 10px rgba(var(--carnival-cyan-rgb), 0.8),
    0 0 20px rgba(var(--carnival-cyan-rgb), 0.5),
    0 0 40px rgba(var(--carnival-cyan-rgb), 0.3);
  margin-bottom: 16px;
  line-height: 1.3;
  animation: carnival-neon-flicker 4s infinite alternate;
}

.carnival-hero-content .carnival-hero-subtitle {
  font-size: 20px;
  color: var(--carnival-silver);
  margin-bottom: 24px;
  opacity: 0.9;
}

.carnival-hero-content .carnival-hero-desc {
  font-size: 16px;
  color: rgba(250, 250, 250, 0.85);
  margin-bottom: 32px;
  line-height: 1.8;
}

.carnival-hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === 按钮样式 === */
.carnival-btn-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--carnival-magenta);
  color: var(--carnival-midnight);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
  min-width: 44px;
  min-height: 44px;
}

.carnival-btn-primary:hover {
  transform: translateY(-2px);
  animation: carnival-pulse-ripple 0.6s ease-out;
  box-shadow: 0 0 20px rgba(var(--carnival-magenta-rgb), 0.6);
}

.carnival-btn-secondary {
  display: inline-block;
  padding: 14px 32px;
  background: transparent;
  color: var(--carnival-cyan);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  border: 2px solid var(--carnival-cyan);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s;
  min-width: 44px;
  min-height: 44px;
}

.carnival-btn-secondary:hover {
  box-shadow: 0 0 15px rgba(var(--carnival-cyan-rgb), 0.6);
  background: rgba(var(--carnival-cyan-rgb), 0.1);
}

/* === 通用区块容器 === */
.carnival-section {
  position: relative;
  padding: 80px 20px;
  max-width: 1440px;
  margin: 0 auto;
  z-index: 1;
}

.carnival-section-title {
  font-family: var(--carnival-font-heading);
  font-size: 32px;
  color: var(--carnival-cyan);
  text-align: center;
  margin-bottom: 16px;
  text-shadow: 0 0 10px rgba(var(--carnival-cyan-rgb), 0.5);
}

.carnival-section-desc {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 48px;
  color: rgba(250, 250, 250, 0.8);
  font-size: 16px;
  line-height: 1.8;
}

/* === 卡片网格 === */
.carnival-grid-matrix {
  display: grid;
  gap: 24px;
}

.carnival-grid-6 {
  grid-template-columns: repeat(3, 1fr);
}

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

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

/* === 游戏卡片 === */
.carnival-game-card {
  background: rgba(var(--carnival-deepblue-rgb), 0.15);
  border: 1px solid rgba(var(--carnival-magenta-rgb), 0.3);
  border-radius: 2px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.carnival-game-card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 0 15px rgba(var(--carnival-magenta-rgb), 0.4),
    0 0 30px rgba(var(--carnival-cyan-rgb), 0.2);
  animation: carnival-border-flicker 2s infinite alternate;
}

.carnival-game-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.carnival-game-card-body {
  padding: 20px;
}

.carnival-game-card-title {
  font-family: var(--carnival-font-heading);
  font-size: 20px;
  color: var(--carnival-magenta);
  margin-bottom: 8px;
}

.carnival-game-card-status {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(250, 250, 250, 0.6);
  margin-bottom: 12px;
}

.carnival-game-card-status .carnival-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--carnival-cyan);
  box-shadow: 0 0 6px var(--carnival-cyan);
  margin-right: 4px;
  vertical-align: middle;
}

.carnival-game-card-text {
  font-size: 14px;
  color: rgba(250, 250, 250, 0.75);
  line-height: 1.7;
  margin-bottom: 16px;
}

/* === 全息影院 === */
.carnival-cinema-section {
  position: relative;
  background: rgba(var(--carnival-deepblue-rgb), 0.1);
  border: 1px solid rgba(var(--carnival-cyan-rgb), 0.2);
  border-radius: 4px;
  overflow: hidden;
}

.carnival-cinema-screen {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.carnival-cinema-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: contrast(1.1) saturate(1.2);
}

.carnival-cinema-screen::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
  pointer-events: none;
}

.carnival-cinema-controls {
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(var(--carnival-midnight-rgb), 0.8);
}

.carnival-cinema-play-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--carnival-cyan);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.carnival-cinema-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 14px solid var(--carnival-midnight);
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  margin-left: 3px;
}

/* === 注册表单 === */
.carnival-form-card {
  background: rgba(var(--carnival-deepblue-rgb), 0.12);
  border: 1px solid rgba(var(--carnival-cyan-rgb), 0.3);
  border-radius: 4px;
  padding: 40px;
  max-width: 600px;
  margin: 0 auto;
}

.carnival-form-group {
  margin-bottom: 20px;
}

.carnival-form-label {
  display: block;
  font-size: 14px;
  color: var(--carnival-cyan);
  margin-bottom: 8px;
  font-weight: 600;
}

.carnival-form-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(var(--carnival-deepblue-rgb), 0.2);
  border: none;
  border-bottom: 2px solid var(--carnival-cyan);
  color: var(--carnival-silver);
  font-size: 16px;
  font-family: var(--carnival-font-body);
  transition: border-color 0.3s, box-shadow 0.3s;
  min-height: 44px;
}

.carnival-form-input:focus {
  outline: none;
  border-bottom-color: var(--carnival-magenta);
  box-shadow: 0 2px 10px rgba(var(--carnival-magenta-rgb), 0.3);
  animation: carnival-neon-flicker 2s infinite alternate;
}

/* === 广告牌/促销 === */
.carnival-billboard {
  background: linear-gradient(135deg, rgba(var(--carnival-deepblue-rgb), 0.2), rgba(var(--carnival-magenta-rgb), 0.1));
  border: 2px solid var(--carnival-magenta);
  border-radius: 4px;
  padding: 48px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(var(--carnival-magenta-rgb), 0.2);
}

.carnival-billboard::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(var(--carnival-magenta-rgb), 0.05) 0%, transparent 70%);
  pointer-events: none;
}

/* === 活动广场 === */
.carnival-task-card {
  background: rgba(var(--carnival-deepblue-rgb), 0.12);
  border-left: 3px solid var(--carnival-magenta);
  padding: 20px 24px;
  margin-bottom: 16px;
  transition: transform 0.3s, border-color 0.3s;
}

.carnival-task-card:hover {
  transform: translateX(4px);
  border-left-color: var(--carnival-cyan);
}

.carnival-task-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--carnival-magenta);
  margin-bottom: 8px;
}

.carnival-task-desc {
  font-size: 14px;
  color: rgba(250, 250, 250, 0.75);
  line-height: 1.7;
}

/* === VIP摩天楼 === */
.carnival-vip-tower {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

.carnival-vip-floor {
  background: rgba(var(--carnival-deepblue-rgb), 0.12);
  border: 1px solid rgba(var(--carnival-cyan-rgb), 0.2);
  padding: 20px 24px;
  margin-bottom: 12px;
  transition: all 0.3s;
  cursor: pointer;
}

.carnival-vip-floor:hover {
  border-color: var(--carnival-magenta);
  box-shadow: 0 0 12px rgba(var(--carnival-magenta-rgb), 0.3);
  transform: translateX(8px);
}

.carnival-vip-level {
  font-family: var(--carnival-font-heading);
  font-size: 18px;
  color: var(--carnival-magenta);
  margin-bottom: 6px;
}

.carnival-vip-perk {
  font-size: 14px;
  color: rgba(250, 250, 250, 0.75);
}

/* === 安全认证 === */
.carnival-security-section {
  background: rgba(var(--carnival-deepblue-rgb), 0.08);
  border: 1px solid rgba(var(--carnival-cyan-rgb), 0.15);
  border-radius: 4px;
  padding: 48px 40px;
}

.carnival-security-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.carnival-badge {
  text-align: center;
  padding: 20px;
  border: 1px solid rgba(var(--carnival-cyan-rgb), 0.3);
  border-radius: 4px;
  min-width: 160px;
}

.carnival-badge-icon {
  font-size: 48px;
  margin-bottom: 8px;
  display: block;
  filter: drop-shadow(0 0 8px rgba(var(--carnival-cyan-rgb), 0.5));
}

.carnival-badge-label {
  font-size: 13px;
  color: var(--carnival-cyan);
  font-weight: 600;
}

/* === 负责任博弈 === */
.carnival-curfew-section {
  background: rgba(var(--carnival-midnight-rgb), 0.95);
  border-top: 2px solid rgba(var(--carnival-magenta-rgb), 0.3);
  padding: 48px 20px;
}

.carnival-curfew-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 32px;
  align-items: start;
}

.carnival-age-badge {
  font-size: 64px;
  font-weight: 900;
  color: var(--carnival-magenta);
  text-shadow: 0 0 15px rgba(var(--carnival-magenta-rgb), 0.6);
  border: 3px solid var(--carnival-magenta);
  padding: 16px 24px;
  border-radius: 8px;
  line-height: 1;
  text-align: center;
}

.carnival-curfew-text {
  font-size: 14px;
  color: rgba(250, 250, 250, 0.75);
  line-height: 1.8;
}

.carnival-curfew-text p {
  margin-bottom: 16px;
}

/* === 页脚 === */
.carnival-footer {
  background: rgba(var(--carnival-midnight-rgb), 0.98);
  border-top: 1px solid rgba(var(--carnival-cyan-rgb), 0.2);
  padding: 60px 20px 30px;
  position: relative;
  z-index: 1;
}

.carnival-footer-inner {
  max-width: 1440px;
  margin: 0 auto;
}

.carnival-footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 40px;
}

.carnival-footer-col-title {
  font-family: var(--carnival-font-heading);
  font-size: 18px;
  color: var(--carnival-magenta);
  margin-bottom: 16px;
}

.carnival-footer-links {
  list-style: none;
}

.carnival-footer-links li {
  margin-bottom: 8px;
}

.carnival-footer-links li a {
  color: rgba(250, 250, 250, 0.65);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}

.carnival-footer-links li a:hover {
  color: var(--carnival-cyan);
}

.carnival-footer-social {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.carnival-footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(var(--carnival-cyan-rgb), 0.3);
  border-radius: 4px;
  color: var(--carnival-cyan);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s;
}

.carnival-footer-social a:hover {
  border-color: var(--carnival-magenta);
  color: var(--carnival-magenta);
  box-shadow: 0 0 8px rgba(var(--carnival-magenta-rgb), 0.4);
}

.carnival-footer-payment {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.carnival-footer-payment-icon {
  padding: 6px 12px;
  border: 1px solid rgba(250, 250, 250, 0.2);
  border-radius: 4px;
  font-size: 12px;
  color: rgba(250, 250, 250, 0.5);
}

.carnival-footer-bottom {
  border-top: 1px solid rgba(var(--carnival-cyan-rgb), 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.carnival-footer-license {
  font-size: 12px;
  color: rgba(250, 250, 250, 0.45);
  line-height: 1.6;
}

.carnival-footer-18plus {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: rgba(250, 250, 250, 0.45);
}

.carnival-footer-18badge {
  font-size: 24px;
  font-weight: 900;
  color: var(--carnival-magenta);
  border: 2px solid var(--carnival-magenta);
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1;
}

/* === 面包屑导航 === */
.carnival-breadcrumb {
  padding: 16px 20px;
  max-width: 1440px;
  margin: 0 auto;
  font-size: 14px;
  color: rgba(250, 250, 250, 0.5);
  position: relative;
  z-index: 1;
}

.carnival-breadcrumb a {
  color: var(--carnival-cyan);
  text-decoration: none;
}

.carnival-breadcrumb a:hover {
  text-decoration: underline;
}

.carnival-breadcrumb-sep {
  margin: 0 8px;
  color: rgba(250, 250, 250, 0.3);
}

/* === 内页内容区 === */
.carnival-page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px 80px;
  position: relative;
  z-index: 1;
}

.carnival-page-content h1 {
  font-family: var(--carnival-font-heading);
  font-size: 36px;
  color: var(--carnival-cyan);
  margin-bottom: 24px;
  text-shadow: 0 0 10px rgba(var(--carnival-cyan-rgb), 0.4);
}

.carnival-page-content h2 {
  font-family: var(--carnival-font-heading);
  font-size: 28px;
  color: var(--carnival-magenta);
  margin: 40px 0 16px;
}

.carnival-page-content h3 {
  font-family: var(--carnival-font-heading);
  font-size: 22px;
  color: var(--carnival-cyan);
  margin: 32px 0 12px;
}

.carnival-page-content h4 {
  font-family: var(--carnival-font-heading);
  font-size: 18px;
  color: var(--carnival-magenta);
  margin: 24px 0 10px;
}

.carnival-page-content p {
  margin-bottom: 16px;
  line-height: 1.8;
  color: rgba(250, 250, 250, 0.85);
}

.carnival-page-content img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 24px 0;
  border: 1px solid rgba(var(--carnival-cyan-rgb), 0.2);
}

/* === 内页图片网格 === */
.carnival-img-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 32px 0;
}

.carnival-img-grid img {
  width: 100%;
  margin: 0;
}

/* === 数据表格 === */
.carnival-data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.carnival-data-table th {
  background: rgba(var(--carnival-deepblue-rgb), 0.2);
  color: var(--carnival-cyan);
  font-weight: 600;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid rgba(var(--carnival-cyan-rgb), 0.3);
  font-size: 14px;
}

.carnival-data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(var(--carnival-cyan-rgb), 0.1);
  font-size: 14px;
  color: rgba(250, 250, 250, 0.75);
}

.carnival-data-table tr:hover td {
  background: rgba(var(--carnival-cyan-rgb), 0.05);
}

/* === FAQ模块 === */
.carnival-faq-item {
  border: 1px solid rgba(var(--carnival-cyan-rgb), 0.2);
  margin-bottom: 12px;
  border-radius: 4px;
  overflow: hidden;
}

.carnival-faq-question {
  padding: 16px 20px;
  background: rgba(var(--carnival-deepblue-rgb), 0.1);
  cursor: pointer;
  font-weight: 600;
  color: var(--carnival-magenta);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
}

.carnival-faq-answer {
  padding: 16px 20px;
  font-size: 14px;
  color: rgba(250, 250, 250, 0.75);
  line-height: 1.8;
  display: none;
}

.carnival-faq-item.carnival-faq-open .carnival-faq-answer {
  display: block;
}

/* === APP下载页 === */
.carnival-download-section {
  text-align: center;
}

.carnival-download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 800px;
  margin: 0 auto;
}

.carnival-download-card {
  background: rgba(var(--carnival-deepblue-rgb), 0.12);
  border: 1px solid rgba(var(--carnival-cyan-rgb), 0.3);
  border-radius: 4px;
  padding: 32px;
  text-align: center;
}

.carnival-download-card-title {
  font-family: var(--carnival-font-heading);
  font-size: 24px;
  color: var(--carnival-cyan);
  margin-bottom: 16px;
}

.carnival-qr-placeholder {
  width: 180px;
  height: 180px;
  margin: 0 auto 16px;
  border: 2px solid var(--carnival-cyan);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: rgba(250, 250, 250, 0.5);
  background: rgba(var(--carnival-midnight-rgb), 0.5);
}

.carnival-download-info {
  font-size: 13px;
  color: rgba(250, 250, 250, 0.6);
  margin-top: 8px;
}

/* === 数据流瀑布Canvas === */
#samba-data-waterfall {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.15;
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
  .carnival-grid-6 {
    grid-template-columns: repeat(2, 1fr);
  }
  .carnival-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .carnival-vip-tower {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .carnival-menu-toggle {
    display: flex;
  }
  .carnival-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(var(--carnival-midnight-rgb), 0.98);
    flex-direction: column;
    padding: 16px;
    border-bottom: 2px solid var(--carnival-magenta);
  }
  .carnival-nav-links.carnival-nav-open {
    display: flex;
  }
  .carnival-nav-links li a {
    padding: 14px 16px;
    font-size: 16px;
  }
  .carnival-hero-content h1 {
    font-size: 32px;
  }
  .carnival-hero-content .carnival-hero-subtitle {
    font-size: 16px;
  }
  .carnival-grid-6,
  .carnival-grid-3 {
    grid-template-columns: 1fr;
  }
  .carnival-grid-2 {
    grid-template-columns: 1fr;
  }
  .carnival-section {
    padding: 48px 16px;
  }
  .carnival-section-title {
    font-size: 26px;
  }
  .carnival-curfew-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .carnival-footer-grid {
    grid-template-columns: 1fr;
  }
  .carnival-download-grid {
    grid-template-columns: 1fr;
  }
  .carnival-form-card {
    padding: 24px 16px;
  }
  .carnival-billboard {
    padding: 32px 20px;
  }
  .carnival-img-grid {
    grid-template-columns: 1fr;
  }
  .carnival-page-content h1 {
    font-size: 28px;
  }
  .carnival-page-content h2 {
    font-size: 22px;
  }
}

@media (max-width: 414px) {
  html {
    font-size: 14px;
  }
  .carnival-hero-content h1 {
    font-size: 26px;
  }
  .carnival-hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  .carnival-btn-primary,
  .carnival-btn-secondary {
    width: 100%;
    text-align: center;
  }
}

/* === 可见性工具 === */
.carnival-hidden {
  display: none;
  visibility: hidden;
  opacity: 0;
  position: absolute;
  z-index: -999;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* === 滚动动画触发 === */
.carnival-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s, transform 0.6s;
}

.carnival-reveal.carnival-visible {
  opacity: 1;
  transform: translateY(0);
}