/* ====================================
   开元棋牌 · 赛博朋克霓虹都市风 主样式表
   ==================================== */

/* --- Google Fonts 本地化替代 --- */
@font-face {
  font-family: 'Orbitron';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('https://fonts.gstatic.com/s/orbitron/v31/yMJRMIlzdpvBhQQL_Qq7dy0.woff2') format('woff2');
}
@font-face {
  font-family: 'Orbitron';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('https://fonts.gstatic.com/s/orbitron/v31/yMJRMIlzdpvBhQQL_Qq7dy0.woff2') format('woff2');
}
@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('https://fonts.gstatic.com/s/rajdhani/v15/LDI2apCSOBg7S-QT7pasEfOqeef.woff2') format('woff2');
}
@font-face {
  font-family: 'Rajdhani';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('https://fonts.gstatic.com/s/rajdhani/v15/LDIxapCSOBg7S-QT7q4AOeekWPr.woff2') format('woff2');
}

/* --- CSS变量 --- */
:root {
  --abyss-black: #0b0c10;
  --neon-magenta: #ff2d75;
  --electric-cyan: #00f0ff;
  --titanium-gray: #c8cdd5;
  --holo-purple: #b537f2;
  --panel-bg: rgba(11, 12, 16, 0.85);
  --panel-border: rgba(0, 240, 255, 0.3);
  --glow-magenta: 0 0 20px rgba(255, 45, 117, 0.5);
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.5);
  --glow-purple: 0 0 20px rgba(181, 55, 242, 0.5);
  --font-heading: 'Orbitron', 'Microsoft YaHei', sans-serif;
  --font-body: 'Rajdhani', 'Microsoft YaHei', sans-serif;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--abyss-black);
  color: var(--titanium-gray);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* --- 干扰标签隐藏 --- */
.jammer-block {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  padding: 0;
  margin: -1px;
}

/* --- 赛博朋克城市天际线背景 --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background:
    linear-gradient(180deg, var(--abyss-black) 0%, rgba(11,12,16,0.95) 60%, rgba(181,55,242,0.08) 100%);
}

.cyber-skyline {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 200%;
  height: 300px;
  z-index: -1;
  animation: skylineScroll 60s linear infinite;
  opacity: 0.15;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 40px,
    var(--electric-cyan) 40px,
    var(--electric-cyan) 42px,
    transparent 42px,
    transparent 60px,
    var(--neon-magenta) 60px,
    var(--neon-magenta) 62px,
    transparent 62px,
    transparent 100px,
    var(--electric-cyan) 100px,
    var(--electric-cyan) 103px,
    transparent 103px,
    transparent 130px,
    var(--holo-purple) 130px,
    var(--holo-purple) 132px,
    transparent 132px,
    transparent 180px
  );
  mask-image: linear-gradient(to top,
    rgba(0,0,0,1) 0%,
    rgba(0,0,0,0.8) 30%,
    rgba(0,0,0,0.4) 60%,
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(to top,
    rgba(0,0,0,1) 0%,
    rgba(0,0,0,0.8) 30%,
    rgba(0,0,0,0.4) 60%,
    transparent 100%
  );
}

@keyframes skylineScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- 数据流瀑布 --- */
.data-rain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  pointer-events: none;
  background: var(--abyss-black);
  opacity: 1;
  transition: opacity 0.8s ease;
}
.data-rain.fade-out {
  opacity: 0;
}
.data-rain canvas {
  width: 100%;
  height: 100%;
}

/* --- 导航栏 --- */
.cyber-nav {
  position: relative;
  width: 100%;
  z-index: 100;
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-border);
  padding: 0;
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

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

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

.nav-logo span {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--electric-cyan);
  text-shadow: var(--glow-cyan);
  letter-spacing: 2px;
}

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

.nav-links a {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--titanium-gray);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
  background: rgba(255, 45, 117, 0.08);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--neon-magenta);
  box-shadow: var(--glow-magenta);
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 60%;
}

/* 汉堡菜单 */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  z-index: 101;
}

.hamburger span {
  width: 28px;
  height: 2px;
  background: var(--electric-cyan);
  box-shadow: var(--glow-cyan);
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- 全息悬浮面板 --- */
.holo-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 40px 30px;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 0 30px rgba(0, 240, 255, 0.05),
    inset 0 0 60px rgba(0, 240, 255, 0.02);
}

.holo-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--electric-cyan), transparent);
  animation: scanLine 4s linear infinite;
}

@keyframes scanLine {
  0% { left: -100%; }
  100% { left: 100%; }
}

.holo-panel.magenta-border {
  border-color: rgba(255, 45, 117, 0.3);
  box-shadow:
    0 0 30px rgba(255, 45, 117, 0.05),
    inset 0 0 60px rgba(255, 45, 117, 0.02);
}

.holo-panel.magenta-border::before {
  background: linear-gradient(90deg, transparent, var(--neon-magenta), transparent);
}

.holo-panel.purple-border {
  border-color: rgba(181, 55, 242, 0.3);
  box-shadow:
    0 0 30px rgba(181, 55, 242, 0.05),
    inset 0 0 60px rgba(181, 55, 242, 0.02);
}

/* --- 容器 --- */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-spacing {
  padding: 80px 0;
}

/* --- 标题样式 --- */
.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
  margin-bottom: 12px;
  letter-spacing: 3px;
}

.section-title p {
  font-size: 1.05rem;
  color: var(--titanium-gray);
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.85;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.3;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg,
    rgba(11,12,16,0.3) 0%,
    rgba(11,12,16,0.6) 50%,
    rgba(11,12,16,0.95) 100%
  );
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 20px;
}

.hero-content h1 {
  font-size: 3.2rem;
  color: #fff;
  text-shadow: 0 0 40px rgba(255,45,117,0.6), 0 0 80px rgba(0,240,255,0.3);
  margin-bottom: 20px;
  letter-spacing: 5px;
}

.hero-slogan {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--electric-cyan);
  text-shadow: var(--glow-cyan);
  margin-bottom: 40px;
  letter-spacing: 4px;
  animation: glitchText 3s infinite;
}

@keyframes glitchText {
  0%, 90%, 100% { transform: translate(0); opacity: 1; }
  91% { transform: translate(-2px, 1px); opacity: 0.8; color: var(--neon-magenta); }
  93% { transform: translate(2px, -1px); opacity: 0.9; color: var(--electric-cyan); }
  95% { transform: translate(-1px, 2px); opacity: 0.7; }
  97% { transform: translate(1px, -2px); opacity: 1; }
}

/* --- CTA按钮 --- */
.cta-btn {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: #fff;
  background: linear-gradient(135deg, var(--neon-magenta), var(--holo-purple));
  padding: 16px 40px;
  border-radius: 6px;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  border: 2px solid var(--neon-magenta);
  box-shadow: var(--glow-magenta);
  transition: all 0.3s ease;
  letter-spacing: 2px;
  animation: neonPulse 2s ease-in-out infinite;
}

.cta-btn:hover {
  box-shadow: 0 0 40px rgba(255, 45, 117, 0.8), 0 0 80px rgba(255, 45, 117, 0.4);
  transform: translateY(-2px);
}

@keyframes neonPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(255,45,117,0.5); }
  50% { box-shadow: 0 0 40px rgba(255,45,117,0.8), 0 0 60px rgba(255,45,117,0.3); }
}

.cta-btn.cyan {
  background: linear-gradient(135deg, var(--electric-cyan), var(--holo-purple));
  border-color: var(--electric-cyan);
  box-shadow: var(--glow-cyan);
  animation: neonPulseCyan 2s ease-in-out infinite;
}

@keyframes neonPulseCyan {
  0%, 100% { box-shadow: 0 0 20px rgba(0,240,255,0.5); }
  50% { box-shadow: 0 0 40px rgba(0,240,255,0.8), 0 0 60px rgba(0,240,255,0.3); }
}

/* --- 视频模块 --- */
.video-wrapper {
  position: relative;
  width: 100%;
  max-width: 900px;
  margin: 0 auto 30px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow: var(--glow-cyan);
  aspect-ratio: 16/9;
  background: var(--abyss-black);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-btn-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(255, 45, 117, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--glow-magenta);
  transition: all 0.3s ease;
}

.play-btn-overlay::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 15px 0 15px 28px;
  border-color: transparent transparent transparent #fff;
  margin-left: 5px;
}

.play-btn-overlay:hover {
  transform: translate(-50%, -50%) scale(1.1);
  box-shadow: 0 0 50px rgba(255, 45, 117, 0.9);
}

/* --- 品牌介绍面板 --- */
.brand-panel {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  align-items: start;
}

.brand-logo-3d {
  width: 200px;
  height: 200px;
  animation: rotateGlow 6s linear infinite;
  border-radius: 12px;
  overflow: hidden;
}

.brand-logo-3d img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@keyframes rotateGlow {
  0% { box-shadow: 0 0 20px var(--electric-cyan); }
  33% { box-shadow: 0 0 20px var(--neon-magenta); }
  66% { box-shadow: 0 0 20px var(--holo-purple); }
  100% { box-shadow: 0 0 20px var(--electric-cyan); }
}

.brand-text h2 {
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
  margin-bottom: 20px;
  font-size: 1.8rem;
}

.brand-text h3 {
  color: var(--electric-cyan);
  text-shadow: var(--glow-cyan);
  margin: 25px 0 12px;
  font-size: 1.2rem;
}

.brand-text p {
  margin-bottom: 15px;
  font-size: 1rem;
  line-height: 1.8;
}

.highlight-data {
  color: var(--neon-magenta);
  font-weight: 700;
  text-shadow: 0 0 8px rgba(255, 45, 117, 0.4);
}

/* --- 数据战报面板 --- */
.data-panel {
  position: relative;
  overflow: hidden;
}

.data-ticker {
  background: linear-gradient(90deg, var(--neon-magenta), var(--holo-purple), var(--electric-cyan));
  padding: 10px 0;
  overflow: hidden;
  border-radius: 4px;
  margin-bottom: 30px;
}

.ticker-content {
  display: flex;
  gap: 60px;
  animation: tickerScroll 30s linear infinite;
  white-space: nowrap;
}

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ticker-item {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  color: #fff;
  font-weight: 700;
  letter-spacing: 1px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 30px;
}

.stat-card {
  text-align: center;
  padding: 30px 20px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.03);
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  color: var(--electric-cyan);
  text-shadow: var(--glow-cyan);
  display: block;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--titanium-gray);
  opacity: 0.8;
}

/* --- 游戏卡牌展示 --- */
.game-cards-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.game-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.game-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--neon-magenta), var(--electric-cyan));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.game-card:hover::before {
  opacity: 1;
}

.game-card:hover {
  transform: translateY(-8px);
  border-color: var(--electric-cyan);
  box-shadow: 0 10px 40px rgba(0, 240, 255, 0.15);
}

.game-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}

.game-card h3 {
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.game-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  opacity: 0.85;
}

.game-card .online-count {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--electric-cyan);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 4px 12px;
  border-radius: 20px;
}

/* --- 赛博棋闻 --- */
.news-terminal {
  background: rgba(11, 12, 16, 0.95);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 8px;
  padding: 20px;
  font-family: 'Courier New', monospace;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.news-item {
  padding: 20px;
  border: 1px solid rgba(255, 45, 117, 0.15);
  border-radius: 8px;
  transition: all 0.3s ease;
  background: rgba(255, 45, 117, 0.02);
}

.news-item:hover {
  border-color: var(--neon-magenta);
  box-shadow: 0 0 20px rgba(255, 45, 117, 0.1);
  transform: translateY(-4px);
}

.news-item .cursor-blink {
  color: var(--electric-cyan);
  animation: blink 1s step-end infinite;
  margin-right: 8px;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.news-item h3 {
  color: var(--neon-magenta);
  font-size: 1rem;
  margin-bottom: 10px;
  line-height: 1.5;
}

.news-item p {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.8;
}

.news-item a {
  color: var(--electric-cyan);
  text-decoration: none;
  font-size: 0.85rem;
  display: inline-block;
  margin-top: 10px;
  transition: color 0.3s;
}

.news-item a:hover {
  color: var(--neon-magenta);
}

/* --- 注册模块 --- */
.register-section {
  position: relative;
}

.register-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  z-index: 0;
}

.register-content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.cyber-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  position: relative;
}

.form-group input {
  width: 100%;
  padding: 14px 18px;
  background: rgba(11, 12, 16, 0.8);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  color: var(--titanium-gray);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.3s ease;
  outline: none;
}

.form-group input:focus {
  border-color: var(--electric-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.form-group input::placeholder {
  color: rgba(200, 205, 213, 0.4);
}

.activate-btn {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: #fff;
  background: var(--neon-magenta);
  border: 2px solid var(--neon-magenta);
  padding: 16px;
  border-radius: 50px;
  cursor: pointer;
  letter-spacing: 3px;
  box-shadow: var(--glow-magenta);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.activate-btn:hover {
  box-shadow: 0 0 50px rgba(255, 45, 117, 0.8);
  transform: scale(1.02);
}

.activate-btn .scan-line {
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: top 0.5s ease;
}

.activate-btn:hover .scan-line {
  top: 100%;
}

/* --- VIP模块 --- */
.vip-tiers {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.vip-tier {
  text-align: center;
  padding: 30px 20px;
  border-radius: 12px;
  border: 1px solid;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.vip-tier:hover {
  transform: translateY(-5px);
}

.vip-tier.bronze {
  border-color: rgba(0, 240, 255, 0.3);
  background: rgba(0, 240, 255, 0.03);
}
.vip-tier.silver {
  border-color: rgba(200, 205, 213, 0.3);
  background: rgba(200, 205, 213, 0.03);
}
.vip-tier.gold {
  border-color: rgba(181, 55, 242, 0.3);
  background: rgba(181, 55, 242, 0.03);
}
.vip-tier.diamond {
  border-color: rgba(255, 45, 117, 0.3);
  background: rgba(255, 45, 117, 0.03);
}

.vip-tier .tier-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
  display: block;
}

.vip-tier h3 {
  font-size: 1.2rem;
  margin-bottom: 15px;
}

.vip-tier.bronze h3 { color: var(--electric-cyan); }
.vip-tier.silver h3 { color: var(--titanium-gray); }
.vip-tier.gold h3 { color: var(--holo-purple); }
.vip-tier.diamond h3 { color: var(--neon-magenta); }

.vip-tier ul {
  list-style: none;
  text-align: left;
  font-size: 0.9rem;
}

.vip-tier ul li {
  padding: 6px 0;
  border-bottom: 1px solid rgba(200, 205, 213, 0.08);
}

.vip-tier ul li::before {
  content: '▸ ';
  color: var(--electric-cyan);
}

/* --- 负责任博弈 --- */
.responsible-section .warning-icon {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 25px;
}

.age-badge {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
  border: 3px solid var(--neon-magenta);
  padding: 8px 16px;
  border-radius: 8px;
}

.responsible-section p {
  margin-bottom: 15px;
  line-height: 1.8;
}

.responsible-section a {
  color: var(--electric-cyan);
  text-decoration: none;
}

.responsible-section a:hover {
  text-shadow: var(--glow-cyan);
}

/* --- 牌照模块 --- */
.license-center {
  text-align: center;
}

.license-badge {
  max-width: 400px;
  margin: 0 auto 30px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.2);
  box-shadow: var(--glow-cyan);
}

.license-badge img {
  width: 100%;
  height: auto;
}

.license-info {
  font-family: var(--font-heading);
  color: var(--electric-cyan);
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 20px;
}

/* --- FAQ终端 --- */
.faq-terminal {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid rgba(0, 240, 255, 0.15);
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--electric-cyan);
}

.faq-question {
  display: flex;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  background: rgba(0, 240, 255, 0.02);
  transition: background 0.3s ease;
  gap: 10px;
}

.faq-question:hover {
  background: rgba(0, 240, 255, 0.05);
}

.faq-prompt {
  color: var(--electric-cyan);
  font-family: 'Courier New', monospace;
  animation: blink 1s step-end infinite;
  font-size: 1.1rem;
}

.faq-question h3 {
  font-size: 1rem;
  color: var(--neon-magenta);
  flex: 1;
}

.faq-toggle {
  color: var(--electric-cyan);
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 20px;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 20px 20px;
}

.faq-answer p {
  font-size: 0.95rem;
  line-height: 1.8;
  opacity: 0.85;
}

/* --- 面包屑 --- */
.breadcrumb {
  padding: 15px 0;
  font-size: 0.85rem;
}

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

.breadcrumb a:hover {
  text-shadow: var(--glow-cyan);
}

.breadcrumb span {
  color: var(--titanium-gray);
  opacity: 0.6;
  margin: 0 8px;
}

.breadcrumb .current {
  color: var(--neon-magenta);
}

/* --- 页脚 --- */
.cyber-footer {
  background: linear-gradient(180deg, var(--abyss-black), rgba(11, 12, 16, 0.98));
  border-top: 1px solid var(--panel-border);
  padding: 60px 0 30px;
  position: relative;
  overflow: hidden;
}

.cyber-footer::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background: repeating-linear-gradient(
    90deg,
    transparent 0px,
    transparent 50px,
    rgba(0, 240, 255, 0.06) 50px,
    rgba(0, 240, 255, 0.06) 51px,
    transparent 51px,
    transparent 80px,
    rgba(255, 45, 117, 0.04) 80px,
    rgba(255, 45, 117, 0.04) 81px,
    transparent 81px,
    transparent 120px
  );
  mask-image: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
  -webkit-mask-image: linear-gradient(to top, rgba(0,0,0,0.5), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: var(--electric-cyan);
  text-shadow: var(--glow-cyan);
  font-size: 1rem;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

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

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

.footer-col ul li a {
  color: var(--titanium-gray);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.footer-col ul li a:hover {
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.7;
  opacity: 0.8;
}

.social-icons {
  display: flex;
  gap: 15px;
  margin-top: 15px;
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--panel-border);
  border-radius: 50%;
  color: var(--electric-cyan);
  text-decoration: none;
  font-size: 0.8rem;
  font-family: var(--font-heading);
  transition: all 0.3s ease;
}

.social-icons a:hover {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  box-shadow: var(--glow-magenta);
}

.payment-icons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 15px;
}

.payment-icons span {
  font-size: 0.75rem;
  padding: 5px 10px;
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 4px;
  color: var(--electric-cyan);
  font-family: var(--font-heading);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(200, 205, 213, 0.08);
  position: relative;
  z-index: 1;
}

.footer-bottom p {
  font-size: 0.8rem;
  opacity: 0.6;
  margin-bottom: 8px;
}

.footer-age-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--neon-magenta);
  border: 2px solid var(--neon-magenta);
  padding: 4px 12px;
  border-radius: 6px;
  box-shadow: var(--glow-magenta);
  margin-top: 10px;
}

/* --- 内页样式 --- */
.page-hero {
  padding: 120px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(255,45,117,0.05), transparent);
  z-index: 0;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
  margin-bottom: 15px;
  font-size: 2.2rem;
}

.page-hero p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.05rem;
  opacity: 0.85;
}

.content-section {
  padding: 60px 0;
}

.content-section .holo-panel {
  margin-bottom: 40px;
}

.content-section h2 {
  color: var(--neon-magenta);
  text-shadow: var(--glow-magenta);
  margin-bottom: 20px;
  font-size: 1.6rem;
}

.content-section h3 {
  color: var(--electric-cyan);
  text-shadow: var(--glow-cyan);
  margin: 25px 0 12px;
  font-size: 1.2rem;
}

.content-section p {
  margin-bottom: 15px;
  line-height: 1.8;
}

.content-image {
  width: 100%;
  border-radius: 8px;
  margin: 20px 0;
  border: 1px solid var(--panel-border);
}

.content-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
  margin: 30px 0;
}

/* --- 作者信息 --- */
.author-card {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 15px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  margin: 20px 0;
  background: rgba(0, 240, 255, 0.02);
}

.author-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 2px solid var(--electric-cyan);
  object-fit: cover;
}

.author-info h4 {
  color: var(--electric-cyan);
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.author-info .author-tag {
  font-size: 0.8rem;
  color: var(--neon-magenta);
  font-family: var(--font-heading);
}

.author-info p {
  font-size: 0.85rem;
  opacity: 0.7;
  margin: 0;
}

/* --- APP下载页 --- */
.download-steps {
  counter-reset: step;
}

.download-step {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 30px;
  padding: 20px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.02);
}

.download-step::before {
  counter-increment: step;
  content: '$ step_' counter(step);
  font-family: 'Courier New', monospace;
  color: var(--electric-cyan);
  font-size: 0.9rem;
  white-space: nowrap;
  padding-top: 3px;
}

.download-step h3 {
  color: var(--neon-magenta);
  font-size: 1rem;
  margin-bottom: 8px;
}

.download-step p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin: 0;
}

.qr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 600px;
  margin: 40px auto;
}

.qr-card {
  text-align: center;
  padding: 30px;
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  background: rgba(0, 240, 255, 0.02);
}

.qr-card.ios { border-color: rgba(0, 240, 255, 0.3); }
.qr-card.android { border-color: rgba(255, 45, 117, 0.3); }

.qr-placeholder {
  width: 150px;
  height: 150px;
  margin: 0 auto 15px;
  border: 2px solid var(--electric-cyan);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.8rem;
  color: var(--electric-cyan);
  background: rgba(0, 240, 255, 0.05);
}

.qr-card.android .qr-placeholder {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
  background: rgba(255, 45, 117, 0.05);
}

.qr-card h3 {
  font-size: 1rem;
  margin-bottom: 5px;
}

.qr-card.ios h3 { color: var(--electric-cyan); }
.qr-card.android h3 { color: var(--neon-magenta); }

/* --- 全息闪烁动画 --- */
.glitch-in {
  animation: holoFlicker 0.5s ease-out;
}

@keyframes holoFlicker {
  0% { opacity: 0; transform: translateY(10px); filter: blur(4px); }
  20% { opacity: 0.5; filter: blur(2px); }
  40% { opacity: 0.3; filter: blur(0); }
  60% { opacity: 0.8; }
  80% { opacity: 0.6; }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* --- 响应式 --- */
@media (max-width: 1024px) {
  .game-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .vip-tiers {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .brand-panel {
    grid-template-columns: 1fr;
  }
  .brand-logo-3d {
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  html { font-size: 15px; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(11, 12, 16, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--panel-border);
  }

  .nav-links.active {
    display: flex;
  }

  .hamburger {
    display: flex;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-slogan {
    font-size: 1rem;
  }

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

  .news-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .vip-tiers {
    grid-template-columns: 1fr;
  }

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

  .content-grid-2 {
    grid-template-columns: 1fr;
  }

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

  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.5rem; }

  .holo-panel {
    padding: 25px 18px;
  }

  .section-spacing {
    padding: 50px 0;
  }

  .page-hero {
    padding: 80px 0 40px;
  }

  .page-hero h1 {
    font-size: 1.6rem;
  }
}

@media (max-width: 480px) {
  html { font-size: 14px; }

  .game-cards-grid {
    grid-template-columns: 1fr;
  }

  .qr-grid {
    grid-template-columns: 1fr;
  }

  .hero-content h1 {
    font-size: 1.6rem;
  }

  .cta-btn {
    padding: 14px 30px;
    font-size: 1rem;
  }
}