/* ============================================================
   国潮风（Neon Metropolis Style）主样式表
   色彩体系：午夜黑#00897B | 国潮洋红#C62828 | 国潮青#FFB300 | 深空蓝#1A1A1A | 银灰#FFF8E1
   ============================================================ */

/* === 字体定义 === */
@font-face {
  font-family: 'ZCOOL QingKe HuangYou';
  src: url('../fonts/ZCOOLQingKeHuangYou-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Noto Serif SC';
  src: url('../fonts/NotoSerifSC-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* === CSS变量 === */
:root {
  --guochao-midnight: #00897B;
  --guochao-magenta: #C62828;
  --guochao-cyan: #FFB300;
  --guochao-deep-blue: #1A1A1A;
  --guochao-silver: #FFF8E1;
  --guochao-magenta-glow: 0 0 15px rgba(198,40,40,0.6), 0 0 30px rgba(198,40,40,0.3);
  --guochao-cyan-glow: 0 0 15px rgba(255,179,0,0.6), 0 0 30px rgba(255,179,0,0.3);
  --guochao-font-title: 'ZCOOL QingKe HuangYou', 'PingFang SC', sans-serif;
  --guochao-font-body: 'Noto Serif SC', 'Microsoft YaHei', sans-serif;
  --guochao-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--guochao-font-body);
  background-color: var(--guochao-midnight);
  color: var(--guochao-silver);
  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(255,179,0,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,179,0,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

/* === 数据流瀑布动画（Data Waterfall） === */
#dynasty-data-waterfall {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.08;
}

/* === 排版 === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--guochao-font-title);
  color: var(--guochao-cyan);
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 { font-size: clamp(28px, 5vw, 52px); }
h2 { font-size: clamp(24px, 4vw, 40px); }
h3 { font-size: clamp(20px, 3vw, 32px); }
h4 { font-size: clamp(18px, 2.5vw, 26px); }
h5 { font-size: clamp(16px, 2vw, 22px); }
h6 { font-size: clamp(14px, 1.5vw, 18px); }

p {
  font-size: clamp(14px, 1.6vw, 17px);
  margin-bottom: 1.2rem;
  color: var(--guochao-silver);
}

a {
  color: var(--guochao-cyan);
  text-decoration: none;
  transition: var(--guochao-transition);
}

a:hover {
  color: var(--guochao-magenta);
  text-shadow: var(--guochao-magenta-glow);
}

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

/* === 导航栏 === */
.guochao-nav-bar {
  position: relative;
  background: rgba(26,26,26,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--guochao-magenta);
  box-shadow: 0 2px 20px rgba(198,40,40,0.3);
  z-index: 1000;
  padding: 0;
}

.guochao-nav-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  min-height: 64px;
}

.guochao-nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.guochao-nav-logo span {
  font-family: var(--guochao-font-title);
  font-size: 20px;
  color: var(--guochao-cyan);
  text-shadow: var(--guochao-cyan-glow);
}

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

.guochao-nav-links li a {
  display: block;
  padding: 20px 16px;
  font-family: var(--guochao-font-title);
  font-size: 15px;
  color: var(--guochao-silver);
  transition: var(--guochao-transition);
  position: relative;
  white-space: nowrap;
}

.guochao-nav-links li a:hover,
.guochao-nav-links li a.guochao-nav-active {
  color: var(--guochao-cyan);
  text-shadow: var(--guochao-cyan-glow);
}

.guochao-nav-links li a.guochao-nav-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 2px;
  background: var(--guochao-cyan);
  box-shadow: var(--guochao-cyan-glow);
  animation: guochao-flicker 3s infinite;
}

/* 移动端菜单按钮 */
.guochao-menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--guochao-cyan);
  padding: 8px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.guochao-menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--guochao-cyan);
  box-shadow: 0 0 6px rgba(255,179,0,0.6);
  transition: var(--guochao-transition);
}

/* === 面包屑导航 === */
.guochao-breadcrumb {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 20px;
  font-size: 14px;
}

.guochao-breadcrumb a {
  color: var(--guochao-cyan);
}

.guochao-breadcrumb span {
  color: var(--guochao-silver);
  opacity: 0.7;
  margin: 0 8px;
}

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

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

.guochao-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26,26,46,0.7);
  z-index: 1;
}

.guochao-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
}

.guochao-hero-content h1 {
  font-size: clamp(28px, 5vw, 52px);
  color: var(--guochao-cyan);
  text-shadow: 0 0 20px rgba(255,179,0,0.8), 0 0 40px rgba(255,179,0,0.4);
  margin-bottom: 16px;
  animation: guochao-flicker 4s infinite;
}

.guochao-hero-subtitle {
  font-family: var(--guochao-font-body);
  font-size: clamp(16px, 2.2vw, 22px);
  color: var(--guochao-silver);
  margin-bottom: 24px;
  opacity: 0.9;
}

.guochao-hero-desc {
  font-size: clamp(14px, 1.6vw, 17px);
  color: var(--guochao-silver);
  opacity: 0.85;
  margin-bottom: 32px;
  line-height: 1.9;
}

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

/* === 按钮 === */
.guochao-btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--guochao-magenta);
  color: var(--guochao-deep-blue);
  font-family: var(--guochao-font-title);
  font-size: 16px;
  font-weight: bold;
  border: none;
  cursor: pointer;
  transition: var(--guochao-transition);
  position: relative;
  overflow: hidden;
  min-height: 44px;
  min-width: 44px;
  text-align: center;
}

.guochao-btn-primary:hover {
  box-shadow: var(--guochao-magenta-glow);
  transform: translateY(-2px);
  color: #fff;
}

.guochao-btn-secondary {
  display: inline-block;
  padding: 14px 36px;
  background: transparent;
  color: var(--guochao-cyan);
  font-family: var(--guochao-font-title);
  font-size: 16px;
  border: 2px solid var(--guochao-cyan);
  cursor: pointer;
  transition: var(--guochao-transition);
  min-height: 44px;
  min-width: 44px;
  text-align: center;
}

.guochao-btn-secondary:hover {
  box-shadow: var(--guochao-cyan-glow);
  background: rgba(255,179,0,0.1);
  color: var(--guochao-cyan);
  transform: translateY(-2px);
}

/* === 脉冲波纹动画 === */
.guochao-btn-primary:active::after,
.guochao-btn-secondary:active::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255,179,0,0.3);
  transform: translate(-50%, -50%);
  animation: guochao-pulse-ripple 0.6s ease-out;
}

/* === 内容区域 === */
.guochao-content-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

.guochao-section {
  padding: 60px 0;
  position: relative;
}

.guochao-section-title {
  text-align: center;
  margin-bottom: 48px;
}

.guochao-section-title h2 {
  display: inline-block;
  position: relative;
  padding-bottom: 16px;
}

.guochao-section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--guochao-magenta), transparent);
  box-shadow: var(--guochao-magenta-glow);
}

/* === 卡片组件 === */
.guochao-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.guochao-game-card {
  background: var(--guochao-deep-blue);
  border: 1px solid rgba(198,40,40,0.3);
  position: relative;
  overflow: hidden;
  transition: var(--guochao-transition);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.guochao-game-card:hover {
  border-color: var(--guochao-magenta);
  box-shadow: var(--guochao-magenta-glow);
  transform: translateY(-4px);
}

.guochao-game-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

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

.guochao-game-card-body h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.guochao-game-card-body p {
  font-size: 14px;
  opacity: 0.85;
  margin-bottom: 16px;
}

.guochao-game-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--guochao-cyan);
  opacity: 0.8;
  margin-bottom: 16px;
}

/* === 首页模块样式 === */
.guochao-game-halls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.guochao-hall-card {
  background: var(--guochao-deep-blue);
  border: 1px solid rgba(255,179,0,0.2);
  padding: 24px;
  transition: var(--guochao-transition);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
}

.guochao-hall-card:hover {
  border-color: var(--guochao-cyan);
  box-shadow: var(--guochao-cyan-glow);
}

.guochao-hall-card h4 {
  color: var(--guochao-cyan);
  margin-bottom: 12px;
  font-size: 18px;
}

.guochao-hall-status {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--guochao-silver);
  opacity: 0.8;
  margin-bottom: 16px;
}

.guochao-hall-status .guochao-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--guochao-magenta);
  box-shadow: 0 0 6px var(--guochao-magenta);
  margin-right: 6px;
  animation: guochao-flicker 2s infinite;
}

/* === 试玩区 === */
.guochao-trial-zone {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  background: var(--guochao-deep-blue);
  border: 1px solid rgba(198,40,40,0.3);
  padding: 24px;
}

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

.guochao-trial-list li {
  padding: 14px 16px;
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: var(--guochao-transition);
  font-size: 14px;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.guochao-trial-list li:hover,
.guochao-trial-list li.guochao-trial-active {
  border-left-color: var(--guochao-magenta);
  background: rgba(198,40,40,0.1);
  color: var(--guochao-magenta);
}

.guochao-trial-screen {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,179,0,0.2);
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* === 全息影院 === */
.guochao-cinema-screen {
  background: var(--guochao-deep-blue);
  border: 2px solid rgba(255,179,0,0.3);
  padding: 0;
  position: relative;
  overflow: hidden;
}

.guochao-cinema-player {
  width: 100%;
  aspect-ratio: 16/9;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.guochao-cinema-player img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.2);
}

.guochao-cinema-overlay {
  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;
}

.guochao-play-btn {
  position: absolute;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(198,40,40,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--guochao-transition);
  border: 2px solid var(--guochao-magenta);
  z-index: 2;
}

.guochao-play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 24px solid #fff;
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  margin-left: 4px;
}

.guochao-play-btn:hover {
  box-shadow: var(--guochao-magenta-glow);
  transform: scale(1.1);
}

/* === 注册表单 === */
.guochao-register-form {
  background: var(--guochao-deep-blue);
  border: 1px solid rgba(198,40,40,0.3);
  padding: 32px;
  max-width: 500px;
  margin: 0 auto;
}

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

.guochao-form-group label {
  display: block;
  font-family: var(--guochao-font-title);
  font-size: 14px;
  color: var(--guochao-cyan);
  margin-bottom: 8px;
}

.guochao-form-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(0,0,0,0.3);
  border: none;
  border-bottom: 2px solid rgba(255,179,0,0.3);
  color: var(--guochao-silver);
  font-family: var(--guochao-font-body);
  font-size: 15px;
  transition: var(--guochao-transition);
  min-height: 44px;
}

.guochao-form-input:focus {
  outline: none;
  border-bottom-color: var(--guochao-cyan);
  box-shadow: 0 2px 10px rgba(255,179,0,0.2);
  animation: guochao-flicker 2s infinite;
}

/* === 首充广告牌 === */
.guochao-billboard {
  background: linear-gradient(135deg, rgba(198,40,40,0.15), rgba(26,26,26,0.9));
  border: 2px solid var(--guochao-magenta);
  box-shadow: var(--guochao-magenta-glow);
  padding: 40px;
  text-align: center;
}

.guochao-energy-plans {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.guochao-energy-card {
  background: var(--guochao-deep-blue);
  border: 1px solid rgba(255,179,0,0.3);
  padding: 24px;
  transition: var(--guochao-transition);
}

.guochao-energy-card:hover {
  border-color: var(--guochao-cyan);
  box-shadow: var(--guochao-cyan-glow);
}

.guochao-energy-card h5 {
  color: var(--guochao-magenta);
  margin-bottom: 12px;
}

/* === 活动广场 === */
.guochao-quest-list {
  display: grid;
  gap: 16px;
}

.guochao-quest-item {
  background: var(--guochao-deep-blue);
  border: 1px solid rgba(255,179,0,0.2);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  transition: var(--guochao-transition);
}

.guochao-quest-item:hover {
  border-color: var(--guochao-cyan);
  box-shadow: 0 0 10px rgba(255,179,0,0.2);
}

.guochao-quest-icon {
  width: 48px;
  height: 48px;
  background: rgba(198,40,40,0.2);
  border: 1px solid var(--guochao-magenta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.guochao-quest-info {
  flex: 1;
}

.guochao-quest-info h5 {
  font-size: 16px;
  margin-bottom: 4px;
}

.guochao-quest-info p {
  font-size: 13px;
  margin: 0;
  opacity: 0.7;
}

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

.guochao-vip-tower-img {
  width: 100%;
  border: 1px solid rgba(255,179,0,0.2);
}

.guochao-vip-levels {
  display: grid;
  gap: 16px;
}

.guochao-vip-level-item {
  background: var(--guochao-deep-blue);
  border-left: 3px solid var(--guochao-magenta);
  padding: 16px 20px;
  transition: var(--guochao-transition);
  cursor: pointer;
}

.guochao-vip-level-item:hover {
  border-left-color: var(--guochao-cyan);
  box-shadow: 0 0 10px rgba(255,179,0,0.15);
}

.guochao-vip-level-item h5 {
  color: var(--guochao-magenta);
  font-size: 15px;
  margin-bottom: 4px;
}

.guochao-vip-level-item p {
  font-size: 13px;
  margin: 0;
  opacity: 0.8;
}

/* === 安全认证 === */
.guochao-security-zone {
  background: var(--guochao-deep-blue);
  border: 1px solid rgba(255,179,0,0.2);
  padding: 40px;
  text-align: center;
}

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

.guochao-cert-badge {
  width: 120px;
  height: 120px;
  border: 2px solid var(--guochao-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  font-family: var(--guochao-font-title);
  font-size: 13px;
  color: var(--guochao-cyan);
  box-shadow: var(--guochao-cyan-glow);
  transition: var(--guochao-transition);
}

.guochao-cert-badge:hover {
  transform: scale(1.05);
}

/* === 负责任博弈 === */
.guochao-responsible-zone {
  background: rgba(26,26,26,0.9);
  border-top: 2px solid rgba(198,40,40,0.3);
  padding: 40px 0;
}

.guochao-responsible-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  align-items: start;
}

.guochao-age-badge {
  width: 64px;
  height: 64px;
  border: 3px solid var(--guochao-magenta);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--guochao-font-title);
  font-size: 24px;
  color: var(--guochao-magenta);
  box-shadow: var(--guochao-magenta-glow);
  animation: guochao-flicker 3s infinite;
}

/* === 页脚 === */
.guochao-footer {
  background: var(--guochao-deep-blue);
  border-top: 1px solid rgba(255,179,0,0.15);
  padding: 48px 0 24px;
  position: relative;
  z-index: 1;
}

.guochao-footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 20px;
}

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

.guochao-footer-col h5 {
  font-family: var(--guochao-font-title);
  color: var(--guochao-cyan);
  font-size: 16px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255,179,0,0.2);
}

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

.guochao-footer-col ul li {
  margin-bottom: 8px;
}

.guochao-footer-col ul li a {
  color: var(--guochao-silver);
  font-size: 14px;
  opacity: 0.7;
  transition: var(--guochao-transition);
}

.guochao-footer-col ul li a:hover {
  opacity: 1;
  color: var(--guochao-cyan);
}

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

.guochao-social-icon {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255,179,0,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--guochao-cyan);
  transition: var(--guochao-transition);
}

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

.guochao-footer-bottom {
  border-top: 1px solid rgba(255,179,0,0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.guochao-footer-license {
  font-size: 13px;
  opacity: 0.6;
}

.guochao-footer-payments {
  display: flex;
  gap: 12px;
  align-items: center;
}

.guochao-payment-icon {
  padding: 4px 12px;
  border: 1px solid rgba(255,248,225,0.2);
  font-size: 12px;
  color: var(--guochao-silver);
  opacity: 0.6;
}

.guochao-footer-18plus {
  text-align: center;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(198,40,40,0.2);
}

.guochao-footer-18plus .guochao-age-badge {
  display: inline-flex;
  width: 40px;
  height: 40px;
  font-size: 16px;
  margin-bottom: 8px;
}

.guochao-footer-18plus p {
  font-size: 12px;
  opacity: 0.5;
}

/* === 内页Hero === */
.guochao-inner-hero {
  position: relative;
  width: 100%;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.guochao-inner-hero .guochao-hero-bg {
  filter: brightness(0.6);
}

.guochao-inner-hero .guochao-hero-content {
  padding: 60px 20px;
}

.guochao-inner-hero .guochao-hero-content h1 {
  font-size: clamp(24px, 4vw, 42px);
}

/* === 内页内容 === */
.guochao-article-body {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
}

.guochao-article-body h2 {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,179,0,0.1);
}

.guochao-article-body h3 {
  margin-top: 32px;
}

.guochao-info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  background: var(--guochao-deep-blue);
}

.guochao-info-table th {
  background: rgba(198,40,40,0.2);
  color: var(--guochao-cyan);
  font-family: var(--guochao-font-title);
  padding: 12px 16px;
  text-align: left;
  font-size: 14px;
  border: 1px solid rgba(255,179,0,0.15);
}

.guochao-info-table td {
  padding: 12px 16px;
  font-size: 14px;
  border: 1px solid rgba(255,179,0,0.1);
}

.guochao-content-img {
  margin: 24px 0;
  border: 1px solid rgba(255,179,0,0.15);
}

/* === FAQ模块 === */
.guochao-faq-list {
  display: grid;
  gap: 12px;
}

.guochao-faq-item {
  background: var(--guochao-deep-blue);
  border: 1px solid rgba(255,179,0,0.15);
}

.guochao-faq-question {
  padding: 16px 20px;
  cursor: pointer;
  font-family: var(--guochao-font-title);
  font-size: 15px;
  color: var(--guochao-cyan);
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 44px;
  transition: var(--guochao-transition);
}

.guochao-faq-question:hover {
  background: rgba(255,179,0,0.05);
}

.guochao-faq-question::after {
  content: '+';
  font-size: 20px;
  transition: var(--guochao-transition);
}

.guochao-faq-item.guochao-faq-open .guochao-faq-question::after {
  transform: rotate(45deg);
}

.guochao-faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.guochao-faq-item.guochao-faq-open .guochao-faq-answer {
  padding: 0 20px 16px;
  max-height: 500px;
}

/* === APP下载页 === */
.guochao-app-download-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 60px 0;
}

.guochao-app-phone {
  text-align: center;
}

.guochao-app-phone img {
  max-height: 500px;
  margin: 0 auto;
}

.guochao-download-buttons {
  display: grid;
  gap: 24px;
}

.guochao-download-card {
  background: var(--guochao-deep-blue);
  border: 1px solid rgba(255,179,0,0.2);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.guochao-qr-code {
  width: 120px;
  height: 120px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #333;
  flex-shrink: 0;
}

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

/* 1. 国潮闪烁 Neon Flicker */
@keyframes guochao-flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.7; }
  94% { opacity: 1; }
  96% { opacity: 0.85; }
  97% { opacity: 1; }
}

/* 2. 全息投影显现 Hologram Reveal */
@keyframes guochao-hologram-reveal {
  0% {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(4px) hue-rotate(20deg);
    clip-path: inset(0 0 100% 0);
  }
  40% {
    opacity: 0.6;
    filter: blur(2px) hue-rotate(10deg);
    clip-path: inset(0 0 40% 0);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0) hue-rotate(0deg);
    clip-path: inset(0 0 0 0);
  }
}

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

/* 3. 脉冲波纹 Pulse Ripple */
@keyframes guochao-pulse-ripple {
  0% {
    width: 0;
    height: 0;
    opacity: 0.5;
  }
  100% {
    width: 300px;
    height: 300px;
    opacity: 0;
  }
}

/* 4. 数据流瀑布 - 通过Canvas在JS中实现 */

/* === 滚动触发动画 === */
.guochao-animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.guochao-animate-on-scroll.guochao-visible {
  opacity: 1;
  transform: translateY(0);
}

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

@media (max-width: 1024px) {
  .guochao-game-halls {
    grid-template-columns: repeat(2, 1fr);
  }
  .guochao-energy-plans {
    grid-template-columns: repeat(2, 1fr);
  }
  .guochao-footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .guochao-vip-tower {
    grid-template-columns: 1fr;
  }
  .guochao-app-download-section {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .guochao-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(26,26,26,0.95);
    backdrop-filter: blur(12px);
    flex-direction: column;
    border-top: 1px solid var(--guochao-magenta);
    padding: 16px 0;
  }

  .guochao-nav-links.guochao-nav-open {
    display: flex;
  }

  .guochao-nav-links li a {
    padding: 14px 24px;
    font-size: 16px;
  }

  .guochao-menu-toggle {
    display: flex;
  }

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

  .guochao-energy-plans {
    grid-template-columns: 1fr;
  }

  .guochao-trial-zone {
    grid-template-columns: 1fr;
  }

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

  .guochao-responsible-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .guochao-age-badge {
    margin: 0 auto;
  }

  .guochao-cert-badges {
    gap: 20px;
  }

  .guochao-cert-badge {
    width: 90px;
    height: 90px;
    font-size: 11px;
  }

  .guochao-hero-content h1 {
    font-size: clamp(24px, 6vw, 36px);
  }

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

  .guochao-download-card {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 414px) {
  html {
    font-size: 14px;
  }

  .guochao-hero-content {
    padding: 24px 16px;
  }

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

  .guochao-billboard {
    padding: 24px 16px;
  }

  .guochao-register-form {
    padding: 24px 16px;
  }
}

/* === 打印样式 === */
@media print {
  body {
    background: #fff;
    color: #000;
  }
  .guochao-nav-bar,
  .guochao-footer,
  #dynasty-data-waterfall {
    display: none;
  }
}