/* ============================================
   PG电子·极光幻境 - 冰晶棱镜折射布局样式表
   极光冰原幻境风 (Aurora Ice Crystal Theme)
   ============================================ */

/* --- 字体内嵌 --- */
@font-face {
  font-family: 'Quicksand';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('Quicksand Regular'), local('Quicksand-Regular');
}
@font-face {
  font-family: 'Quicksand';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local('Quicksand Bold'), local('Quicksand-Bold');
}

/* --- CSS变量定义 --- */
:root {
  --ice-white: #F0F8FF;
  --aurora-green: #00CED1;
  --ice-blue: #87CEEB;
  --star-purple: #483D8B;
  --deep-gray: #2F4F4F;
  --aurora-green-dark: #009B9E;
  --ice-crack: rgba(135,206,235,0.3);
  --frost-glow: rgba(0,206,209,0.15);
  --crystal-shadow: rgba(72,61,139,0.2);
}

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

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

body {
  font-family: 'Source Sans Pro', 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background-color: var(--ice-white);
  color: var(--deep-gray);
  line-height: 1.8;
  overflow-x: hidden;
  min-height: 100vh;
}

/* --- 冰晶背景纹理 --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(0,206,209,0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(135,206,235,0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(72,61,139,0.03) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* --- 雪花加载动画 --- */
.snowflake-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #F0F8FF 0%, #E8F4FD 50%, #F0F8FF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.snowflake-loader.hidden {
  opacity: 0;
  visibility: hidden;
}
.snowflake-spinner {
  width: 80px;
  height: 80px;
  position: relative;
  animation: snowflake-spin 2s linear infinite;
}
.snowflake-spinner::before,
.snowflake-spinner::after {
  content: '❄';
  position: absolute;
  font-size: 60px;
  color: var(--aurora-green);
  text-shadow: 0 0 20px rgba(0,206,209,0.5);
}
.snowflake-spinner::before {
  top: 0;
  left: 10px;
  animation: snowflake-pulse 1.5s ease-in-out infinite;
}
.snowflake-spinner::after {
  top: 0;
  left: 10px;
  opacity: 0.5;
  animation: snowflake-pulse 1.5s ease-in-out infinite reverse;
}
@keyframes snowflake-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes snowflake-pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.6; }
}

/* --- 容器 --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* --- 导航栏（非sticky） --- */
.aurora-nav {
  background: linear-gradient(135deg, rgba(240,248,255,0.95) 0%, rgba(135,206,235,0.15) 100%);
  border-bottom: 2px solid var(--ice-crack);
  padding: 15px 0;
  position: relative;
  z-index: 100;
  backdrop-filter: blur(10px);
}
.aurora-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}
.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.nav-logo img {
  height: 45px;
  width: auto;
}
.nav-menu {
  display: flex;
  list-style: none;
  gap: 5px;
  flex-wrap: wrap;
}
.nav-menu li a {
  color: var(--deep-gray);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s ease;
  position: relative;
  display: block;
}
.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--aurora-green), var(--ice-blue));
  transition: all 0.3s ease;
  transform: translateX(-50%);
}
.nav-menu li a:hover {
  color: var(--aurora-green);
  background: var(--frost-glow);
}
.nav-menu li a:hover::after {
  width: 80%;
}
.nav-menu li a.active {
  color: var(--aurora-green);
  background: var(--frost-glow);
}
.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--aurora-green);
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
  color: var(--aurora-green);
  font-size: 20px;
}

/* --- 面包屑导航 --- */
.breadcrumb-nav {
  padding: 15px 0;
  background: rgba(240,248,255,0.8);
  border-bottom: 1px solid var(--ice-crack);
}
.breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
}
.breadcrumb-list li::after {
  content: '›';
  margin-left: 8px;
  color: var(--ice-blue);
}
.breadcrumb-list li:last-child::after {
  content: '';
}
.breadcrumb-list a {
  color: var(--aurora-green);
  text-decoration: none;
}
.breadcrumb-list a:hover {
  text-decoration: underline;
}
.breadcrumb-list li:last-child {
  color: var(--deep-gray);
}

/* --- Hero全屏模块 --- */
.hero-aurora {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(180deg, #0a1628 0%, #1a2a4a 50%, #0d1f3c 100%);
}
.hero-aurora .hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}
.hero-aurora .hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 50%, rgba(0,0,0,0.4) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 40px 20px;
}
.hero-content .hero-logo {
  max-width: 300px;
  margin-bottom: 30px;
  animation: float-glow 3s ease-in-out infinite;
  filter: drop-shadow(0 0 30px rgba(0,206,209,0.5));
}
@keyframes float-glow {
  0%, 100% { transform: translateY(0); filter: drop-shadow(0 0 30px rgba(0,206,209,0.5)); }
  50% { transform: translateY(-10px); filter: drop-shadow(0 0 50px rgba(0,206,209,0.8)); }
}
.hero-content h1 {
  font-family: 'Quicksand', sans-serif;
  font-size: 2.8rem;
  margin-bottom: 20px;
  text-shadow: 0 0 30px rgba(0,206,209,0.6);
  animation: ice-shimmer 3s ease-in-out infinite;
}
@keyframes ice-shimmer {
  0%, 100% { text-shadow: 0 0 30px rgba(0,206,209,0.6); }
  50% { text-shadow: 0 0 50px rgba(0,206,209,0.9), 0 0 80px rgba(135,206,235,0.4); }
}
.hero-content .hero-slogan {
  font-size: 1.3rem;
  opacity: 0.9;
  margin-bottom: 35px;
  letter-spacing: 2px;
}
.hero-content .cta-btn {
  display: inline-block;
  padding: 16px 45px;
  background: linear-gradient(135deg, var(--aurora-green) 0%, var(--ice-blue) 100%);
  color: #fff;
  text-decoration: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 5px 25px rgba(0,206,209,0.4);
}
.hero-content .cta-btn::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: rotate(45deg);
  transition: all 0.6s ease;
  opacity: 0;
}
.hero-content .cta-btn:hover::before {
  opacity: 1;
  animation: aurora-flow 1.5s ease-in-out infinite;
}
@keyframes aurora-flow {
  0% { transform: rotate(45deg) translateX(-100%); }
  100% { transform: rotate(45deg) translateX(100%); }
}
.hero-content .cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(0,206,209,0.6);
}

/* --- 冰裂纹分隔线 --- */
.ice-crack-divider {
  height: 4px;
  background: linear-gradient(90deg, transparent 0%, var(--ice-blue) 20%, var(--aurora-green) 50%, var(--ice-blue) 80%, transparent 100%);
  margin: 0;
  opacity: 0.5;
  position: relative;
}
.ice-crack-divider::before {
  content: '❄';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 20px;
  color: var(--aurora-green);
  background: var(--ice-white);
  padding: 0 15px;
}

/* --- 通用模块样式 --- */
.ice-prism-section {
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.ice-prism-section:nth-child(even) {
  background: linear-gradient(135deg, rgba(135,206,235,0.05) 0%, rgba(240,248,255,1) 50%, rgba(0,206,209,0.05) 100%);
}
.section-title {
  text-align: center;
  margin-bottom: 50px;
}
.section-title h2 {
  font-family: 'Quicksand', sans-serif;
  font-size: 2.2rem;
  color: var(--aurora-green);
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
  animation: ice-shimmer 3s ease-in-out infinite;
}
.section-title h2::before,
.section-title h2::after {
  content: '✦';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ice-blue);
  font-size: 14px;
}
.section-title h2::before { left: -25px; }
.section-title h2::after { right: -25px; }
.section-title p {
  font-size: 1.05rem;
  color: var(--deep-gray);
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.8;
}

/* --- 冰晶宫殿卡片网格 --- */
.ice-palace-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  padding: 0 10px;
}
.ice-palace-card {
  background: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(240,248,255,0.95) 100%);
  border: 1px solid var(--ice-crack);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.4s ease;
  position: relative;
  box-shadow: 0 4px 20px var(--crystal-shadow);
}
.ice-palace-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0,206,209,0.1) 0%, transparent 50%, rgba(72,61,139,0.1) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}
.ice-palace-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(0,206,209,0.25);
  border-color: var(--aurora-green);
}
.ice-palace-card:hover::before {
  opacity: 1;
}
.ice-palace-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.ice-palace-card .card-body {
  padding: 20px;
  position: relative;
  z-index: 2;
}
.ice-palace-card h3 {
  font-family: 'Quicksand', sans-serif;
  color: var(--aurora-green);
  font-size: 1.25rem;
  margin-bottom: 10px;
}
.ice-palace-card p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--deep-gray);
}
.ice-palace-card .card-link {
  display: inline-block;
  margin-top: 15px;
  color: var(--aurora-green);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
}
.ice-palace-card .card-link:hover {
  color: var(--star-purple);
  transform: translateX(5px);
}

/* --- 冰晶记分牌 --- */
.ice-scoreboard {
  background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 100%);
  border-radius: 16px;
  padding: 30px;
  color: #fff;
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
  border: 1px solid rgba(0,206,209,0.3);
}
.scoreboard-title {
  font-family: 'Quicksand', sans-serif;
  color: var(--aurora-green);
  font-size: 1.5rem;
  margin-bottom: 20px;
  text-align: center;
  text-shadow: 0 0 20px rgba(0,206,209,0.5);
}
.match-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  margin-bottom: 10px;
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  border-left: 3px solid var(--aurora-green);
  transition: all 0.3s ease;
}
.match-item:hover {
  background: rgba(0,206,209,0.1);
  transform: translateX(5px);
}
.match-game {
  color: var(--ice-blue);
  font-weight: 700;
  font-size: 0.9rem;
  min-width: 80px;
}
.match-teams {
  flex: 1;
  text-align: center;
  font-size: 1rem;
}
.match-score {
  color: var(--aurora-green);
  font-family: 'Quicksand', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  min-width: 60px;
  text-align: center;
}
.match-result {
  color: #FFD700;
  font-weight: 700;
  min-width: 80px;
  text-align: right;
}

/* --- 冰原许愿墙 --- */
.wish-wall {
  background: linear-gradient(135deg, rgba(135,206,235,0.1) 0%, rgba(240,248,255,0.9) 100%);
  border-radius: 16px;
  padding: 30px;
  border: 1px solid var(--ice-crack);
}
.wish-item {
  padding: 15px 20px;
  margin-bottom: 12px;
  background: rgba(255,255,255,0.8);
  border-radius: 10px;
  border-left: 3px solid var(--ice-blue);
  transition: all 0.3s ease;
  position: relative;
}
.wish-item::before {
  content: '❄';
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ice-blue);
  opacity: 0.3;
}
.wish-item:hover {
  background: rgba(0,206,209,0.05);
  border-left-color: var(--aurora-green);
}
.wish-author {
  color: var(--aurora-green);
  font-weight: 700;
  margin-right: 8px;
}

/* --- 招商加盟模块 --- */
.recruit-section {
  background: linear-gradient(135deg, #0d1f3c 0%, #1a2a4a 50%, #0a1628 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.recruit-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('../images/pg-dianzi-zhaoshang-chengbao.webp') center/cover no-repeat;
  opacity: 0.15;
}
.recruit-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}
.recruit-content h2 {
  color: var(--aurora-green);
}
.recruit-content p {
  color: rgba(255,255,255,0.85);
}

/* --- VIP勋章模块 --- */
.vip-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.vip-card {
  text-align: center;
  padding: 30px 20px;
  background: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(240,248,255,0.9) 100%);
  border-radius: 16px;
  border: 1px solid var(--ice-crack);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.vip-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0,206,209,0.1), transparent);
  transition: left 0.6s ease;
}
.vip-card:hover::after {
  left: 100%;
}
.vip-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px var(--crystal-shadow);
}
.vip-icon {
  font-size: 3rem;
  margin-bottom: 15px;
  display: block;
}
.vip-card h3 {
  font-family: 'Quicksand', sans-serif;
  color: var(--aurora-green);
  margin-bottom: 10px;
}
.vip-card .vip-level {
  color: var(--star-purple);
  font-weight: 700;
  font-size: 0.9rem;
}

/* --- 牌照模块 --- */
.license-section {
  text-align: center;
}
.license-card {
  max-width: 800px;
  margin: 0 auto;
  background: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(240,248,255,0.9) 100%);
  border-radius: 16px;
  padding: 40px;
  border: 1px solid var(--ice-crack);
  box-shadow: 0 8px 30px var(--crystal-shadow);
}
.license-card img {
  max-width: 100%;
  border-radius: 12px;
  margin-bottom: 25px;
}
.license-number {
  font-family: 'Quicksand', sans-serif;
  font-size: 1.3rem;
  color: var(--star-purple);
  margin-bottom: 20px;
  font-weight: 700;
}
.license-diary {
  font-style: italic;
  line-height: 2;
  color: var(--deep-gray);
  text-align: left;
  padding: 20px;
  background: rgba(135,206,235,0.08);
  border-radius: 10px;
  border-left: 3px solid var(--aurora-green);
}

/* --- 负责任博弈模块 --- */
.responsible-section {
  background: linear-gradient(135deg, rgba(72,61,139,0.05) 0%, var(--ice-white) 100%);
}
.responsible-card {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.responsible-card img {
  max-width: 100%;
  border-radius: 12px;
  margin-bottom: 25px;
}
.explorer-rules {
  text-align: left;
  padding: 25px;
  background: rgba(255,255,255,0.9);
  border-radius: 12px;
  border: 1px solid var(--ice-crack);
}
.explorer-rules h3 {
  color: var(--aurora-green);
  margin-bottom: 15px;
}
.explorer-rules ul {
  list-style: none;
  padding: 0;
}
.explorer-rules ul li {
  padding: 10px 0;
  padding-left: 25px;
  position: relative;
  border-bottom: 1px solid rgba(135,206,235,0.2);
}
.explorer-rules ul li::before {
  content: '❄';
  position: absolute;
  left: 0;
  color: var(--aurora-green);
  font-size: 12px;
}
.explorer-rules ul li a {
  color: var(--aurora-green);
  text-decoration: none;
}
.explorer-rules ul li a:hover {
  text-decoration: underline;
}

/* --- FAQ模块 --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  margin-bottom: 15px;
  border: 1px solid var(--ice-crack);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.9);
}
.faq-question {
  padding: 18px 25px;
  cursor: pointer;
  font-weight: 700;
  color: var(--deep-gray);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.3s ease;
}
.faq-question:hover {
  color: var(--aurora-green);
  background: var(--frost-glow);
}
.faq-question::after {
  content: '▼';
  font-size: 12px;
  color: var(--aurora-green);
  transition: transform 0.3s ease;
}
.faq-item.active .faq-question::after {
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 25px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
  line-height: 1.8;
}
.faq-item.active .faq-answer {
  padding: 0 25px 20px;
  max-height: 500px;
}

/* --- 页脚 --- */
.aurora-footer {
  background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 50%, #0d1f3c 100%);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 30px;
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: var(--aurora-green);
  font-family: 'Quicksand', sans-serif;
  margin-bottom: 20px;
  font-size: 1.1rem;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}
.footer-col ul li a:hover {
  color: var(--aurora-green);
  padding-left: 5px;
}
.footer-social {
  display: flex;
  gap: 15px;
  margin-top: 10px;
}
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(0,206,209,0.15);
  color: var(--aurora-green);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 18px;
}
.footer-social a:hover {
  background: var(--aurora-green);
  color: #fff;
  transform: translateY(-3px);
}
.footer-bottom {
  border-top: 1px solid rgba(135,206,235,0.2);
  padding-top: 25px;
  text-align: center;
  font-size: 0.85rem;
}
.footer-bottom p {
  margin-bottom: 8px;
}
.footer-payments {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin: 15px 0;
  flex-wrap: wrap;
}
.footer-payments span {
  padding: 5px 15px;
  background: rgba(255,255,255,0.08);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--ice-blue);
  border: 1px solid rgba(135,206,235,0.2);
}
.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--aurora-green), var(--ice-blue));
  color: #fff;
  font-weight: 900;
  font-size: 16px;
  margin: 15px auto;
  box-shadow: 0 0 20px rgba(0,206,209,0.4);
}

/* --- 内页样式 --- */
.inner-hero {
  background: linear-gradient(135deg, #0a1628 0%, #1a2a4a 100%);
  padding: 80px 0 60px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.inner-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at center, rgba(0,206,209,0.15) 0%, transparent 70%);
}
.inner-hero h1 {
  font-family: 'Quicksand', sans-serif;
  font-size: 2.5rem;
  color: var(--aurora-green);
  margin-bottom: 15px;
  position: relative;
  z-index: 2;
  animation: ice-shimmer 3s ease-in-out infinite;
}
.inner-hero p {
  font-size: 1.1rem;
  opacity: 0.85;
  position: relative;
  z-index: 2;
  max-width: 600px;
  margin: 0 auto;
}

.inner-content {
  padding: 60px 0;
}
.inner-content article {
  max-width: 900px;
  margin: 0 auto;
}
.inner-content h2 {
  font-family: 'Quicksand', sans-serif;
  color: var(--aurora-green);
  font-size: 1.8rem;
  margin: 40px 0 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ice-crack);
}
.inner-content h3 {
  color: var(--star-purple);
  font-size: 1.4rem;
  margin: 30px 0 15px;
}
.inner-content h4 {
  color: var(--aurora-green-dark);
  font-size: 1.2rem;
  margin: 25px 0 12px;
}
.inner-content p {
  margin-bottom: 18px;
  font-size: 1.05rem;
  text-indent: 2em;
}
.inner-content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 25px 0;
  box-shadow: 0 4px 20px var(--crystal-shadow);
}
.inner-content .tip-box {
  background: linear-gradient(135deg, rgba(0,206,209,0.08) 0%, rgba(135,206,235,0.08) 100%);
  border-left: 4px solid var(--aurora-green);
  padding: 20px 25px;
  border-radius: 0 12px 12px 0;
  margin: 25px 0;
}
.inner-content .tip-box h4 {
  color: var(--aurora-green);
  margin-top: 0;
}

/* --- APP下载页 --- */
.app-download-section {
  text-align: center;
}
.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  max-width: 600px;
  margin: 30px auto;
}
.qr-card {
  padding: 30px;
  background: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(240,248,255,0.9) 100%);
  border-radius: 16px;
  border: 1px solid var(--ice-crack);
  box-shadow: 0 4px 20px var(--crystal-shadow);
  transition: all 0.3s ease;
}
.qr-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px rgba(0,206,209,0.2);
}
.qr-card .qr-placeholder {
  width: 150px;
  height: 150px;
  margin: 0 auto 15px;
  background: linear-gradient(135deg, var(--aurora-green), var(--ice-blue));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 3rem;
  animation: snowflake-spin 8s linear infinite;
}
.qr-card h3 {
  color: var(--aurora-green);
  font-family: 'Quicksand', sans-serif;
}

.app-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 40px auto;
}
.app-feature-card {
  padding: 25px;
  background: rgba(255,255,255,0.9);
  border-radius: 12px;
  border: 1px solid var(--ice-crack);
  text-align: left;
  transition: all 0.3s ease;
}
.app-feature-card:hover {
  border-color: var(--aurora-green);
  box-shadow: 0 4px 20px var(--crystal-shadow);
}
.app-feature-card h4 {
  color: var(--aurora-green);
  margin-bottom: 10px;
}

/* --- 模块进入动画（冰晶凝结） --- */
.ice-crystallize {
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.ice-crystallize.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* --- 干扰标签区块 --- */
.jammer-block {
  opacity: 0.01;
  position: absolute;
  z-index: -1;
  pointer-events: none;
  left: -9999px;
}

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

@media (max-width: 768px) {
  html { font-size: 15px; }
  
  .nav-toggle { display: block; }
  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-top: 15px;
  }
  .nav-menu.active { display: flex; }
  .nav-menu li a {
    padding: 12px 15px;
    border-bottom: 1px solid var(--ice-crack);
  }
  
  .hero-content h1 { font-size: 2rem; }
  .hero-content .hero-slogan { font-size: 1.1rem; }
  
  .ice-palace-grid { grid-template-columns: 1fr; }
  .vip-grid { grid-template-columns: repeat(2, 1fr); }
  
  .section-title h2 { font-size: 1.8rem; }
  
  .match-item {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
  .match-game, .match-result { min-width: auto; text-align: center; }
  
  .footer-grid { grid-template-columns: 1fr; }
  
  .inner-hero h1 { font-size: 1.8rem; }
  
  .qr-grid { grid-template-columns: 1fr; }
  .app-features { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  html { font-size: 14px; }
  
  .hero-aurora { min-height: 70vh; }
  .hero-content h1 { font-size: 1.7rem; }
  .hero-content .cta-btn { padding: 14px 35px; }
  
  .ice-prism-section { padding: 50px 0; }
  .section-title { margin-bottom: 35px; }
  
  .vip-grid { grid-template-columns: 1fr; }
  
  .license-card { padding: 25px; }
}

/* --- 打印样式 --- */
@media print {
  .aurora-nav, .aurora-footer, .snowflake-loader { display: none; }
  body { background: #fff; color: #000; }
}