/* ========================================
   像素复古风（Pixel Retro / Neon Metropolis）主样式表
   菠菜社区论坛 — 全局样式
   ======================================== */

/* --- 字体引入 --- */
@font-face {
  font-family: 'Press Start 2P';
  src: url('../fonts/PressStart2P-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'VT323';
  src: url('../fonts/VT323-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* --- CSS变量 --- */
:root {
  --pixel-midnight: #0A0A0A;
  --pixel-magenta: #00FF41;
  --pixel-cyan: #0D47A1;
  --pixel-deep-space: #E0E0E0;
  --pixel-silver: #FF6D00;
  --pixel-magenta-glow: 0 0 10px #00FF41, 0 0 20px #00FF41, 0 0 40px #00FF4180;
  --pixel-cyan-glow: 0 0 10px #0D47A1, 0 0 20px #0D47A1, 0 0 40px #0D47A180;
  --font-heading: 'Press Start 2P', 'PingFang SC', sans-serif;
  --font-body: 'VT323', '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 {
  background-color: var(--pixel-midnight);
  color: var(--pixel-deep-space);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.8;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* --- 背景电路纹理 --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(0,255,65,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,65,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* --- 数据流瀑布背景 --- */
#retro-data-waterfall {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.08;
}

/* --- 通用容器 --- */
.pixel-container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.pixel-section {
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

.pixel-section + .pixel-section {
  border-top: 1px solid rgba(13,71,161,0.2);
}

/* --- 标题样式 --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.4;
  margin-bottom: 20px;
}

h1 {
  font-size: 28px;
  color: var(--pixel-cyan);
  text-shadow: var(--pixel-cyan-glow);
}

h2 {
  font-size: 18px;
  color: var(--pixel-magenta);
  text-shadow: var(--pixel-magenta-glow);
}

h3 {
  font-size: 15px;
  color: var(--pixel-cyan);
}

h4 {
  font-size: 14px;
  color: var(--pixel-magenta);
}

p {
  margin-bottom: 16px;
  font-size: 18px;
}

a {
  color: var(--pixel-magenta);
  text-decoration: none;
  transition: color 0.3s, text-shadow 0.3s;
}

a:hover {
  color: var(--pixel-cyan);
  text-shadow: var(--pixel-cyan-glow);
}

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

/* ========================================
   导航栏
   ======================================== */
.pixel-nav-bar {
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--pixel-magenta);
  box-shadow: 0 2px 20px rgba(0,255,65,0.15);
  padding: 0;
  position: relative; /* 非sticky */
  z-index: 100;
}

.pixel-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
  height: 64px;
}

.pixel-logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--pixel-magenta);
  text-shadow: var(--pixel-magenta-glow);
  white-space: nowrap;
}

.pixel-logo-icon {
  width: 36px;
  height: 36px;
  border: 2px solid var(--pixel-magenta);
  box-shadow: var(--pixel-magenta-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transform: rotate(45deg);
}

.pixel-logo-icon span {
  transform: rotate(-45deg);
}

.pixel-nav-list {
  display: flex;
  list-style: none;
  gap: 0;
  align-items: center;
}

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

.pixel-nav-link {
  display: block;
  padding: 20px 14px;
  font-family: var(--font-heading);
  font-size: 11px;
  color: var(--pixel-deep-space);
  text-decoration: none;
  transition: color 0.3s, background 0.3s;
  white-space: nowrap;
}

.pixel-nav-link:hover {
  color: var(--pixel-magenta);
  background: rgba(0,255,65,0.05);
}

.pixel-nav-link.pixel-active {
  color: var(--pixel-cyan);
  background: rgba(13,71,161,0.1);
  text-shadow: var(--pixel-cyan-glow);
}

.pixel-nav-link.pixel-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--pixel-cyan);
  box-shadow: var(--pixel-cyan-glow);
  animation: pixel-flicker 2s infinite;
}

/* 移动端汉堡菜单 */
.pixel-menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--pixel-magenta);
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.pixel-menu-bar {
  width: 24px;
  height: 3px;
  background: var(--pixel-magenta);
  box-shadow: 0 0 6px var(--pixel-magenta);
  transition: transform 0.3s;
}

/* ========================================
   面包屑导航
   ======================================== */
.pixel-breadcrumb {
  padding: 16px 0;
  font-size: 14px;
}

.pixel-breadcrumb-list {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.pixel-breadcrumb-item {
  color: var(--pixel-silver);
}

.pixel-breadcrumb-item a {
  color: var(--pixel-magenta);
  font-size: 14px;
}

.pixel-breadcrumb-sep {
  color: var(--pixel-cyan);
  margin: 0 4px;
}

/* ========================================
   Hero区域
   ======================================== */
.pixel-hero-section {
  position: relative;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  z-index: 1;
}

.pixel-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10,10,10,0.75);
  z-index: 1;
}

.pixel-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0A0A0A 0%, #0D1B2A 50%, #0A0A0A 100%);
  z-index: 0;
}

.pixel-hero-scanlines {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.1) 2px,
    rgba(0,0,0,0.1) 4px
  );
  z-index: 2;
  pointer-events: none;
}

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

.pixel-hero-title {
  font-family: var(--font-heading);
  font-size: 32px;
  color: var(--pixel-cyan);
  text-shadow: var(--pixel-cyan-glow);
  margin-bottom: 20px;
  animation: pixel-flicker 3s infinite;
}

.pixel-hero-subtitle {
  font-family: var(--font-body);
  font-size: 22px;
  color: var(--pixel-silver);
  margin-bottom: 16px;
}

.pixel-hero-desc {
  font-size: 18px;
  color: var(--pixel-deep-space);
  margin-bottom: 32px;
  line-height: 2;
}

.pixel-hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   按钮样式
   ======================================== */
.pixel-btn-primary {
  display: inline-block;
  padding: 16px 32px;
  background: var(--pixel-magenta);
  color: var(--pixel-midnight);
  font-family: var(--font-heading);
  font-size: 12px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
  min-width: 44px;
  min-height: 44px;
  position: relative;
  overflow: hidden;
}

.pixel-btn-primary:hover {
  transform: scale(1.05);
  box-shadow: var(--pixel-magenta-glow);
  color: var(--pixel-midnight);
  animation: pixel-pulse-ripple 0.6s ease-out;
}

.pixel-btn-secondary {
  display: inline-block;
  padding: 16px 32px;
  background: transparent;
  color: var(--pixel-cyan);
  font-family: var(--font-heading);
  font-size: 12px;
  border: 2px solid var(--pixel-cyan);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.3s, box-shadow 0.3s, color 0.3s;
  min-width: 44px;
  min-height: 44px;
}

.pixel-btn-secondary:hover {
  box-shadow: var(--pixel-cyan-glow);
  color: var(--pixel-cyan);
}

/* ========================================
   卡片样式
   ======================================== */
.pixel-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pixel-game-card {
  background: rgba(224,224,224,0.05);
  border: 1px solid rgba(0,255,65,0.2);
  padding: 24px;
  position: relative;
  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));
}

.pixel-game-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 20px rgba(0,255,65,0.2), 0 0 40px rgba(0,255,65,0.1);
}

.pixel-game-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  border: 2px solid var(--pixel-magenta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--pixel-magenta);
  box-shadow: 0 0 8px rgba(0,255,65,0.3);
}

.pixel-game-card-title {
  font-family: var(--font-heading);
  font-size: 13px;
  color: var(--pixel-magenta);
  margin-bottom: 12px;
}

.pixel-game-card-status {
  font-size: 14px;
  color: var(--pixel-silver);
  margin-bottom: 4px;
}

.pixel-game-card-btn {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 20px;
  background: transparent;
  border: 1px solid var(--pixel-cyan);
  color: var(--pixel-cyan);
  font-family: var(--font-heading);
  font-size: 10px;
  text-decoration: none;
  transition: all 0.3s;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pixel-game-card-btn:hover {
  background: rgba(13,71,161,0.15);
  box-shadow: var(--pixel-cyan-glow);
  color: var(--pixel-cyan);
}

/* ========================================
   试玩区域
   ======================================== */
.pixel-trial-zone {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  background: rgba(224,224,224,0.03);
  border: 1px solid rgba(13,71,161,0.2);
  padding: 24px;
}

.pixel-trial-list {
  list-style: none;
}

.pixel-trial-list li {
  padding: 12px 16px;
  cursor: pointer;
  color: var(--pixel-deep-space);
  border-left: 3px solid transparent;
  transition: all 0.3s;
  font-size: 16px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.pixel-trial-list li:hover,
.pixel-trial-list li.pixel-active-tab {
  color: var(--pixel-magenta);
  border-left-color: var(--pixel-magenta);
  background: rgba(0,255,65,0.05);
}

.pixel-trial-screen {
  background: rgba(10,10,10,0.8);
  border: 2px solid var(--pixel-magenta);
  box-shadow: inset 0 0 30px rgba(0,255,65,0.05);
  padding: 32px;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* ========================================
   视频影院
   ======================================== */
.pixel-cinema-screen {
  background: rgba(224,224,224,0.04);
  border: 2px solid var(--pixel-cyan);
  box-shadow: var(--pixel-cyan-glow);
  padding: 0;
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pixel-cinema-placeholder {
  text-align: center;
  color: var(--pixel-cyan);
}

.pixel-cinema-play-btn {
  width: 80px;
  height: 80px;
  border: 3px solid var(--pixel-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  cursor: pointer;
  transition: box-shadow 0.3s, transform 0.3s;
  background: rgba(13,71,161,0.1);
}

.pixel-cinema-play-btn:hover {
  box-shadow: var(--pixel-cyan-glow);
  transform: scale(1.1);
}

.pixel-cinema-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 15px 0 15px 26px;
  border-color: transparent transparent transparent var(--pixel-cyan);
  margin-left: 6px;
}

.pixel-video-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.pixel-video-item {
  background: rgba(224,224,224,0.04);
  border: 1px solid rgba(13,71,161,0.2);
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.3s;
}

.pixel-video-item:hover {
  border-color: var(--pixel-cyan);
}

/* ========================================
   表单区域
   ======================================== */
.pixel-form-card {
  background: rgba(224,224,224,0.04);
  border: 1px solid var(--pixel-magenta);
  box-shadow: 0 0 15px rgba(0,255,65,0.1);
  padding: 32px;
  max-width: 560px;
  margin: 0 auto;
}

.pixel-input-group {
  margin-bottom: 20px;
}

.pixel-input-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 10px;
  color: var(--pixel-cyan);
  margin-bottom: 8px;
}

.pixel-input-field {
  width: 100%;
  padding: 14px 16px;
  background: rgba(10,10,10,0.8);
  border: none;
  border-bottom: 2px solid var(--pixel-cyan);
  color: var(--pixel-deep-space);
  font-family: var(--font-body);
  font-size: 18px;
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
  min-height: 44px;
}

.pixel-input-field:focus {
  border-bottom-color: var(--pixel-magenta);
  box-shadow: 0 2px 10px rgba(0,255,65,0.2);
  animation: pixel-flicker 1.5s infinite;
}

/* ========================================
   广告牌/活动区域
   ======================================== */
.pixel-billboard {
  background: linear-gradient(135deg, rgba(0,255,65,0.08) 0%, rgba(10,10,10,0.95) 100%);
  border: 2px solid var(--pixel-magenta);
  box-shadow: var(--pixel-magenta-glow);
  padding: 40px;
  text-align: center;
  position: relative;
}

.pixel-billboard::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  background: linear-gradient(45deg, var(--pixel-magenta), var(--pixel-cyan), var(--pixel-magenta));
  z-index: -1;
  opacity: 0.3;
  filter: blur(20px);
}

/* ========================================
   活动任务卡片
   ======================================== */
.pixel-task-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.pixel-task-card {
  background: rgba(224,224,224,0.04);
  border: 1px solid rgba(0,255,65,0.15);
  padding: 24px;
  transition: border-color 0.3s, box-shadow 0.3s;
}

.pixel-task-card:hover {
  border-color: var(--pixel-magenta);
  box-shadow: 0 0 15px rgba(0,255,65,0.15);
}

.pixel-task-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(0,255,65,0.1);
  color: var(--pixel-magenta);
  font-family: var(--font-heading);
  font-size: 9px;
  margin-bottom: 12px;
}

/* ========================================
   VIP摩天楼
   ======================================== */
.pixel-vip-tower {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.pixel-vip-floor {
  background: rgba(224,224,224,0.04);
  border: 1px solid rgba(13,71,161,0.3);
  padding: 24px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}

.pixel-vip-floor:hover {
  border-color: var(--pixel-cyan);
  box-shadow: var(--pixel-cyan-glow);
  transform: translateY(-4px);
}

.pixel-vip-level {
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--pixel-cyan);
  margin-bottom: 12px;
}

.pixel-vip-name {
  font-family: var(--font-heading);
  font-size: 11px;
  color: var(--pixel-magenta);
  margin-bottom: 8px;
}

/* ========================================
   安全认证区域
   ======================================== */
.pixel-security-zone {
  background: rgba(224,224,224,0.03);
  border: 1px solid rgba(13,71,161,0.2);
  padding: 40px;
  text-align: center;
}

.pixel-cert-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 32px 0;
  flex-wrap: wrap;
}

.pixel-cert-badge {
  width: 120px;
  height: 120px;
  border: 2px solid var(--pixel-cyan);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--pixel-cyan-glow);
  padding: 12px;
}

.pixel-cert-badge-text {
  font-family: var(--font-heading);
  font-size: 8px;
  color: var(--pixel-cyan);
  margin-top: 8px;
  text-align: center;
}

/* ========================================
   负责任博弈声明
   ======================================== */
.pixel-curfew-section {
  background: rgba(10,10,10,0.95);
  border-top: 1px solid rgba(255,109,0,0.2);
  padding: 40px 0;
}

.pixel-curfew-inner {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: start;
}

.pixel-age-badge {
  width: 64px;
  height: 64px;
  border: 3px solid var(--pixel-magenta);
  box-shadow: var(--pixel-magenta-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--pixel-magenta);
}

.pixel-curfew-text {
  color: var(--pixel-silver);
  font-size: 16px;
  line-height: 1.8;
}

/* ========================================
   页脚
   ======================================== */
.pixel-footer {
  background: rgba(10,10,10,0.98);
  border-top: 2px solid var(--pixel-magenta);
  box-shadow: 0 -2px 20px rgba(0,255,65,0.1);
  padding: 48px 0 24px;
  position: relative;
  z-index: 1;
}

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

.pixel-footer-col-title {
  font-family: var(--font-heading);
  font-size: 11px;
  color: var(--pixel-magenta);
  margin-bottom: 16px;
  text-shadow: 0 0 6px rgba(0,255,65,0.3);
}

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

.pixel-footer-links li {
  margin-bottom: 10px;
}

.pixel-footer-links a {
  color: var(--pixel-deep-space);
  font-size: 16px;
  transition: color 0.3s;
}

.pixel-footer-links a:hover {
  color: var(--pixel-magenta);
}

.pixel-footer-social {
  display: flex;
  gap: 16px;
  margin-top: 12px;
}

.pixel-social-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--pixel-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--pixel-cyan);
  font-family: var(--font-heading);
  font-size: 10px;
  transition: box-shadow 0.3s;
  min-width: 44px;
  min-height: 44px;
}

.pixel-social-icon:hover {
  box-shadow: var(--pixel-cyan-glow);
  color: var(--pixel-cyan);
}

.pixel-footer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--pixel-cyan), transparent);
  margin: 24px 0;
}

.pixel-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.pixel-footer-license {
  font-size: 14px;
  color: var(--pixel-silver);
}

.pixel-footer-payment {
  display: flex;
  gap: 12px;
  align-items: center;
}

.pixel-payment-icon {
  padding: 6px 12px;
  border: 1px solid rgba(255,109,0,0.3);
  color: var(--pixel-silver);
  font-size: 12px;
  font-family: var(--font-heading);
}

.pixel-footer-18plus {
  text-align: center;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(0,255,65,0.1);
}

.pixel-footer-18badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 2px solid var(--pixel-magenta);
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--pixel-magenta);
  margin-bottom: 8px;
}

/* ========================================
   内页通用样式
   ======================================== */
.pixel-page-header {
  padding: 80px 0 40px;
  text-align: center;
  border-bottom: 1px solid rgba(13,71,161,0.2);
}

.pixel-content-area {
  padding: 40px 0;
}

.pixel-content-area p {
  margin-bottom: 20px;
  font-size: 18px;
  line-height: 2;
}

.pixel-content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.pixel-content-img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  border: 1px solid rgba(0,255,65,0.2);
}

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

.pixel-info-table th,
.pixel-info-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(13,71,161,0.15);
  font-size: 16px;
}

.pixel-info-table th {
  font-family: var(--font-heading);
  font-size: 10px;
  color: var(--pixel-cyan);
  background: rgba(13,71,161,0.08);
}

.pixel-info-table td {
  color: var(--pixel-deep-space);
}

/* ========================================
   APP下载页
   ======================================== */
.pixel-app-hero {
  text-align: center;
  padding: 80px 0;
}

.pixel-app-download-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 700px;
  margin: 40px auto;
}

.pixel-app-platform {
  background: rgba(224,224,224,0.04);
  border: 1px solid var(--pixel-cyan);
  padding: 32px;
  text-align: center;
}

.pixel-qr-placeholder {
  width: 160px;
  height: 160px;
  border: 2px solid var(--pixel-magenta);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 10px;
  color: var(--pixel-magenta);
  box-shadow: 0 0 10px rgba(0,255,65,0.2);
}

/* ========================================
   FAQ区域
   ======================================== */
.pixel-faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.pixel-faq-item {
  border: 1px solid rgba(13,71,161,0.15);
  margin-bottom: 12px;
}

.pixel-faq-question {
  padding: 16px 20px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 11px;
  color: var(--pixel-cyan);
  background: rgba(13,71,161,0.05);
  transition: background 0.3s;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.pixel-faq-question:hover {
  background: rgba(13,71,161,0.1);
}

.pixel-faq-answer {
  padding: 16px 20px;
  display: none;
  color: var(--pixel-deep-space);
  font-size: 16px;
  line-height: 1.8;
}

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

/* ========================================
   动画效果
   ======================================== */

/* 1. 像素闪烁 Neon Flicker */
@keyframes pixel-flicker {
  0%, 19.999%, 22%, 62.999%, 64%, 64.999%, 70%, 100% {
    opacity: 1;
    text-shadow: var(--pixel-magenta-glow);
  }
  20%, 21.999%, 63%, 63.999%, 65%, 69.999% {
    opacity: 0.6;
    text-shadow: none;
  }
}

/* 2. 全息投影显现 Hologram Reveal */
@keyframes pixel-hologram-reveal {
  0% {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(4px) hue-rotate(90deg);
    clip-path: inset(0 0 100% 0);
  }
  50% {
    opacity: 0.5;
    filter: blur(2px) hue-rotate(45deg);
    clip-path: inset(0 0 50% 0);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0) hue-rotate(0deg);
    clip-path: inset(0 0 0 0);
  }
}

.pixel-hologram-in {
  animation: pixel-hologram-reveal 0.8s ease-out forwards;
}

/* 3. 脉冲波纹 Pulse Ripple */
@keyframes pixel-pulse-ripple {
  0% {
    box-shadow: 0 0 0 0 rgba(0,255,65,0.4);
  }
  100% {
    box-shadow: 0 0 0 20px rgba(0,255,65,0);
  }
}

/* 4. 数据流瀑布 Data Waterfall — 通过Canvas在JS中实现 */

/* ========================================
   响应式设计
   ======================================== */

@media (max-width: 1024px) {
  .pixel-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pixel-vip-tower {
    grid-template-columns: repeat(2, 1fr);
  }
  .pixel-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pixel-video-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .pixel-hero-title {
    font-size: 24px;
  }
  h1 {
    font-size: 22px;
  }
}

@media (max-width: 768px) {
  .pixel-nav-list {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    width: 100%;
    background: rgba(10,10,10,0.98);
    flex-direction: column;
    border-bottom: 2px solid var(--pixel-magenta);
    z-index: 200;
  }
  .pixel-nav-list.pixel-nav-open {
    display: flex;
  }
  .pixel-nav-link {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(0,255,65,0.1);
  }
  .pixel-menu-toggle {
    display: flex;
  }
  .pixel-card-grid {
    grid-template-columns: 1fr;
  }
  .pixel-trial-zone {
    grid-template-columns: 1fr;
  }
  .pixel-task-grid {
    grid-template-columns: 1fr;
  }
  .pixel-vip-tower {
    grid-template-columns: 1fr;
  }
  .pixel-footer-grid {
    grid-template-columns: 1fr;
  }
  .pixel-video-list {
    grid-template-columns: 1fr;
  }
  .pixel-content-grid {
    grid-template-columns: 1fr;
  }
  .pixel-hero-title {
    font-size: 18px;
  }
  h1 {
    font-size: 18px;
  }
  h2 {
    font-size: 14px;
  }
  .pixel-hero-subtitle {
    font-size: 18px;
  }
  .pixel-curfew-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .pixel-age-badge {
    margin: 0 auto;
  }
  .pixel-app-download-grid {
    grid-template-columns: 1fr;
  }
  .pixel-footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 414px) {
  body {
    font-size: 16px;
  }
  p {
    font-size: 16px;
  }
  .pixel-hero-title {
    font-size: 15px;
  }
  h1 {
    font-size: 15px;
  }
  .pixel-container {
    padding: 0 12px;
  }
  .pixel-section {
    padding: 40px 0;
  }
}