/* ============================================================
   极光预测平台 — 北欧极光风主样式表 (Aurora Borealis Style)
   ============================================================ */

/* === 本地字体加载 === */
@font-face {
  font-family: 'Fjalla One';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/fjalla-one.ttf') format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/open-sans-regular.ttf') format('truetype');
}
@font-face {
  font-family: 'Open Sans';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('../fonts/open-sans-bold.ttf') format('truetype');
}

/* === CSS变量（5色体系） === */
:root {
  --aurora-deep-blue: #0A1128;
  --aurora-green: #00FF87;
  --aurora-purple: #B200FF;
  --aurora-frost: #E0E5EC;
  --aurora-ice-blue: #00D4FF;
  --aurora-deep-blue-rgb: 10, 17, 40;
  --aurora-green-rgb: 0, 255, 135;
  --aurora-purple-rgb: 178, 0, 255;
  --aurora-frost-rgb: 224, 229, 236;
  --aurora-ice-blue-rgb: 0, 212, 255;
  --aurora-font-title: 'Fjalla One', 'Microsoft YaHei', sans-serif;
  --aurora-font-body: 'Open Sans', 'PingFang SC', sans-serif;
}

/* === 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(--aurora-font-body);
  background-color: var(--aurora-deep-blue);
  color: var(--aurora-frost);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* === 极光波纹荡漾动画（背景装饰） === */
body::before,
body::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 300px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.15;
}
body::before {
  top: 0;
  background: linear-gradient(180deg,
    rgba(var(--aurora-green-rgb), 0.3) 0%,
    rgba(var(--aurora-purple-rgb), 0.15) 40%,
    transparent 100%);
  animation: aurora-wave-ripple 12s ease-in-out infinite alternate;
}
body::after {
  bottom: 0;
  background: linear-gradient(0deg,
    rgba(var(--aurora-purple-rgb), 0.2) 0%,
    rgba(var(--aurora-ice-blue-rgb), 0.1) 40%,
    transparent 100%);
  animation: aurora-wave-ripple 15s ease-in-out infinite alternate-reverse;
}

@keyframes aurora-wave-ripple {
  0% { transform: translateX(-5%) scaleY(1); opacity: 0.1; }
  50% { transform: translateX(5%) scaleY(1.2); opacity: 0.2; }
  100% { transform: translateX(-3%) scaleY(0.9); opacity: 0.15; }
}

/* === 星光闪烁显现动画 === */
@keyframes aurora-starlight-reveal {
  0% { opacity: 0; transform: translateY(30px); }
  60% { opacity: 0.8; }
  100% { opacity: 1; transform: translateY(0); }
}

.aurora-animate-in {
  opacity: 0;
  transform: translateY(30px);
}
.aurora-animate-in.aurora-visible {
  animation: aurora-starlight-reveal 1.2s ease-out forwards;
}

/* === 冰层折射反光动画 === */
.aurora-ice-refraction {
  position: relative;
  overflow: hidden;
}
.aurora-ice-refraction::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 60%;
  height: 100%;
  background: linear-gradient(90deg,
    transparent,
    rgba(255, 255, 255, 0.08),
    rgba(255, 255, 255, 0.15),
    rgba(255, 255, 255, 0.08),
    transparent);
  transition: none;
  pointer-events: none;
}
.aurora-ice-refraction:hover::after {
  animation: aurora-ice-glare 0.6s ease-out forwards;
}

@keyframes aurora-ice-glare {
  0% { left: -100%; }
  100% { left: 150%; }
}

/* === 星轨连线展开动画 === */
@keyframes aurora-star-track-expand {
  0% { clip-path: circle(0% at 50% 0%); border-color: transparent; }
  50% { border-color: rgba(var(--aurora-ice-blue-rgb), 0.6); }
  100% { clip-path: circle(150% at 50% 0%); border-color: rgba(var(--aurora-ice-blue-rgb), 0.3); }
}

.aurora-expandable-content {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.6s ease-out;
  border-left: 2px solid transparent;
}
.aurora-expandable-content.aurora-expanded {
  max-height: 2000px;
  border-left-color: rgba(var(--aurora-ice-blue-rgb), 0.3);
  box-shadow: 0 0 20px rgba(var(--aurora-ice-blue-rgb), 0.1);
}

/* === 导航栏 === */
.aurora-nav-bar {
  background: rgba(var(--aurora-deep-blue-rgb), 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(var(--aurora-green-rgb), 0.2);
  padding: 0;
  z-index: 100;
  position: relative;
  /* 禁止sticky */
}
.aurora-nav-bar::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg,
    transparent,
    rgba(var(--aurora-green-rgb), 0.6),
    rgba(var(--aurora-purple-rgb), 0.4),
    rgba(var(--aurora-green-rgb), 0.6),
    transparent);
  animation: aurora-wave-ripple 8s ease-in-out infinite alternate;
}

.aurora-nav-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
}

.aurora-logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 10px;
}
.aurora-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid rgba(var(--aurora-green-rgb), 0.4);
}
.aurora-logo-text {
  font-family: var(--aurora-font-title);
  font-size: 20px;
  color: var(--aurora-green);
  text-shadow: 0 0 10px rgba(var(--aurora-green-rgb), 0.4);
}

.aurora-nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center;
}
.aurora-nav-links li a {
  display: block;
  padding: 10px 14px;
  color: var(--aurora-frost);
  text-decoration: none;
  font-family: var(--aurora-font-body);
  font-size: 14px;
  border-radius: 6px;
  transition: color 0.3s, background 0.3s;
  white-space: nowrap;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.aurora-nav-links li a:hover,
.aurora-nav-links li a.aurora-nav-active {
  color: var(--aurora-green);
  background: rgba(var(--aurora-green-rgb), 0.08);
  text-shadow: 0 0 8px rgba(var(--aurora-green-rgb), 0.3);
}
.aurora-nav-links li a.aurora-nav-active::before {
  content: '✦ ';
  font-size: 10px;
  margin-right: 4px;
}

/* 移动端菜单按钮 */
.aurora-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
}
.aurora-menu-toggle span {
  display: block;
  width: 28px;
  height: 3px;
  margin: 5px 0;
  background: var(--aurora-green);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
  box-shadow: 0 0 6px rgba(var(--aurora-green-rgb), 0.4);
}

/* === 面包屑导航 === */
.aurora-breadcrumb {
  max-width: 1440px;
  margin: 0 auto;
  padding: 16px 20px;
  font-size: 14px;
}
.aurora-breadcrumb a {
  color: var(--aurora-ice-blue);
  text-decoration: none;
}
.aurora-breadcrumb a:hover {
  text-decoration: underline;
}
.aurora-breadcrumb span {
  color: rgba(var(--aurora-frost-rgb), 0.6);
  margin: 0 8px;
}

/* === 通用容器 === */
.aurora-section {
  position: relative;
  z-index: 1;
  padding: 60px 20px;
}
.aurora-section-inner {
  max-width: 1440px;
  margin: 0 auto;
}

/* === 标题样式 === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--aurora-font-title);
  color: var(--aurora-frost);
  line-height: 1.3;
}
h1 {
  font-size: clamp(28px, 5vw, 52px);
  text-shadow: 0 0 20px rgba(var(--aurora-green-rgb), 0.3);
}
h2 {
  font-size: clamp(22px, 3.5vw, 36px);
  margin-bottom: 20px;
}
h3 {
  font-size: clamp(18px, 2.5vw, 28px);
  margin-bottom: 16px;
}
h4 { font-size: clamp(16px, 2vw, 22px); margin-bottom: 12px; }
h5 { font-size: clamp(15px, 1.8vw, 20px); margin-bottom: 10px; }
h6 { font-size: clamp(14px, 1.5vw, 18px); margin-bottom: 8px; }

/* === 玻璃拟态卡片 === */
.aurora-glass-card {
  background: rgba(var(--aurora-deep-blue-rgb), 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.1);
  border-radius: 16px;
  padding: 30px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.aurora-glass-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(var(--aurora-green-rgb), 0.1),
              0 0 1px rgba(var(--aurora-frost-rgb), 0.2);
}

/* === Hero区域 === */
.aurora-hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.aurora-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.aurora-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 17, 40, 0.6);
  z-index: 1;
}
.aurora-hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 40px 20px;
}
.aurora-hero-content h1 {
  margin-bottom: 20px;
}
.aurora-hero-subtitle {
  font-size: clamp(16px, 2.5vw, 22px);
  color: var(--aurora-frost);
  margin-bottom: 16px;
  font-style: italic;
}
.aurora-hero-text {
  font-size: clamp(14px, 1.8vw, 16px);
  color: rgba(var(--aurora-frost-rgb), 0.85);
  margin-bottom: 30px;
  line-height: 1.8;
}

/* === 按钮 === */
.aurora-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: var(--aurora-green);
  color: var(--aurora-deep-blue);
  font-family: var(--aurora-font-title);
  font-size: 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
  min-width: 44px;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: 0 0 20px rgba(var(--aurora-green-rgb), 0.3);
}
.aurora-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px rgba(var(--aurora-green-rgb), 0.5);
}

.aurora-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  background: transparent;
  color: var(--aurora-frost);
  font-family: var(--aurora-font-title);
  font-size: 16px;
  border: 2px solid var(--aurora-frost);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
  min-width: 44px;
  transition: border-color 0.3s, color 0.3s;
}
.aurora-btn-secondary:hover {
  border-color: var(--aurora-purple);
  color: var(--aurora-purple);
}

.aurora-btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

/* === 六边形卡片网格 === */
.aurora-hex-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.aurora-lottery-card {
  background: rgba(var(--aurora-deep-blue-rgb), 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.1);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  transition: transform 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}
.aurora-lottery-card:hover {
  transform: translateY(-6px);
  border-color: rgba(var(--aurora-green-rgb), 0.3);
}
.aurora-lottery-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--aurora-green), var(--aurora-purple), var(--aurora-ice-blue));
}

.aurora-card-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: rgba(var(--aurora-green-rgb), 0.1);
  border: 1px solid rgba(var(--aurora-green-rgb), 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.aurora-card-title {
  font-family: var(--aurora-font-title);
  font-size: 20px;
  color: var(--aurora-green);
  margin-bottom: 8px;
}
.aurora-card-meta {
  font-size: 13px;
  color: rgba(var(--aurora-frost-rgb), 0.6);
  margin-bottom: 12px;
}
.aurora-card-rate {
  font-size: 28px;
  font-family: var(--aurora-font-title);
  color: var(--aurora-green);
  margin-bottom: 16px;
  text-shadow: 0 0 10px rgba(var(--aurora-green-rgb), 0.3);
}

/* === 雷达预测面板 === */
.aurora-radar-panel {
  background: rgba(var(--aurora-deep-blue-rgb), 0.8);
  border: 1px solid rgba(var(--aurora-green-rgb), 0.15);
  border-radius: 20px;
  padding: 40px;
  position: relative;
}
.aurora-radar-display {
  width: 280px;
  height: 280px;
  margin: 0 auto 30px;
  border-radius: 50%;
  border: 2px solid rgba(var(--aurora-green-rgb), 0.3);
  background: radial-gradient(circle, rgba(var(--aurora-green-rgb), 0.05) 0%, transparent 70%);
  position: relative;
  overflow: hidden;
}
.aurora-radar-display::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 50%;
  height: 2px;
  background: linear-gradient(90deg, var(--aurora-green), transparent);
  transform-origin: left center;
  animation: aurora-radar-sweep 3s linear infinite;
}
@keyframes aurora-radar-sweep {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.aurora-radar-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 24px;
}
.aurora-radar-tab {
  padding: 10px 20px;
  background: rgba(var(--aurora-frost-rgb), 0.05);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.15);
  border-radius: 8px;
  color: var(--aurora-frost);
  cursor: pointer;
  font-size: 14px;
  min-height: 44px;
  transition: all 0.3s;
}
.aurora-radar-tab:hover,
.aurora-radar-tab.aurora-tab-active {
  background: rgba(var(--aurora-green-rgb), 0.1);
  border-color: var(--aurora-green);
  color: var(--aurora-green);
}

.aurora-prediction-data {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 20px;
}
.aurora-data-item {
  background: rgba(var(--aurora-frost-rgb), 0.03);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.08);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}
.aurora-data-label {
  font-size: 13px;
  color: rgba(var(--aurora-frost-rgb), 0.6);
  margin-bottom: 6px;
}
.aurora-data-value {
  font-family: var(--aurora-font-title);
  font-size: 24px;
  color: var(--aurora-green);
}

/* === 直播塔模块 === */
.aurora-live-tower {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.aurora-live-screen {
  aspect-ratio: 16/9;
  background: rgba(var(--aurora-deep-blue-rgb), 0.9);
  border: 2px solid rgba(var(--aurora-frost-rgb), 0.15);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}
.aurora-live-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.aurora-live-indicator {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.6);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
}
.aurora-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #ff4444;
  animation: aurora-live-pulse 1.5s ease-in-out infinite;
}
@keyframes aurora-live-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* === 安全护盾模块 === */
.aurora-shield-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.aurora-shield-list {
  list-style: none;
}
.aurora-shield-list li {
  padding: 16px 0;
  border-bottom: 1px solid rgba(var(--aurora-frost-rgb), 0.08);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
}
.aurora-shield-icon {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 8px;
  background: rgba(var(--aurora-ice-blue-rgb), 0.1);
  border: 1px solid rgba(var(--aurora-ice-blue-rgb), 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--aurora-ice-blue);
  font-size: 16px;
}

/* === 排行榜模块 === */
.aurora-leaderboard {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.aurora-rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(var(--aurora-frost-rgb), 0.03);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.08);
  border-radius: 12px;
  padding: 16px 20px;
  transition: background 0.3s;
}
.aurora-rank-item:hover {
  background: rgba(var(--aurora-green-rgb), 0.05);
}
.aurora-rank-badge {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--aurora-font-title);
  font-size: 18px;
  min-width: 44px;
}
.aurora-rank-1 { background: linear-gradient(135deg, #FFD700, #FFA500); color: var(--aurora-deep-blue); }
.aurora-rank-2 { background: linear-gradient(135deg, #C0C0C0, #A0A0A0); color: var(--aurora-deep-blue); }
.aurora-rank-3 { background: linear-gradient(135deg, #CD7F32, #A0522D); color: var(--aurora-frost); }
.aurora-rank-4 { background: rgba(var(--aurora-ice-blue-rgb), 0.2); color: var(--aurora-ice-blue); }

.aurora-rank-bar {
  flex: 1;
  height: 8px;
  background: rgba(var(--aurora-frost-rgb), 0.1);
  border-radius: 4px;
  overflow: hidden;
}
.aurora-rank-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--aurora-green), var(--aurora-ice-blue));
  animation: aurora-bar-breathe 3s ease-in-out infinite;
}
@keyframes aurora-bar-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* === 认证模块 === */
.aurora-cert-section {
  text-align: center;
}
.aurora-cert-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin: 30px 0;
}
.aurora-cert-badge {
  width: 120px;
  height: 120px;
  border-radius: 16px;
  background: rgba(var(--aurora-frost-rgb), 0.05);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  font-size: 13px;
  color: rgba(var(--aurora-frost-rgb), 0.8);
}
.aurora-cert-badge img {
  width: 48px;
  height: 48px;
}

/* === 负责任博弈模块 === */
.aurora-calm-section {
  background: rgba(var(--aurora-deep-blue-rgb), 0.9);
  border-top: 1px solid rgba(var(--aurora-frost-rgb), 0.1);
  border-bottom: 1px solid rgba(var(--aurora-frost-rgb), 0.1);
}
.aurora-calm-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 30px;
  align-items: flex-start;
}
.aurora-age-badge {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--aurora-ice-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--aurora-font-title);
  font-size: 32px;
  color: var(--aurora-ice-blue);
  box-shadow: 0 0 20px rgba(var(--aurora-ice-blue-rgb), 0.3);
}

/* === 多语言模块 === */
.aurora-lang-select {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 20px;
}
.aurora-lang-option {
  padding: 12px 24px;
  background: rgba(var(--aurora-frost-rgb), 0.05);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.15);
  border-radius: 8px;
  color: var(--aurora-frost);
  cursor: pointer;
  font-size: 14px;
  min-height: 44px;
  transition: all 0.3s;
}
.aurora-lang-option:hover,
.aurora-lang-option.aurora-lang-active {
  background: rgba(var(--aurora-green-rgb), 0.1);
  border-color: var(--aurora-green);
  color: var(--aurora-green);
}

/* === 页脚 === */
.aurora-footer {
  background: rgba(var(--aurora-deep-blue-rgb), 0.95);
  border-top: 1px solid rgba(var(--aurora-frost-rgb), 0.1);
  padding: 60px 20px 30px;
  position: relative;
  z-index: 1;
}
.aurora-footer-inner {
  max-width: 1440px;
  margin: 0 auto;
}
.aurora-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}
.aurora-footer-col h4 {
  font-family: var(--aurora-font-title);
  color: var(--aurora-green);
  font-size: 16px;
  margin-bottom: 16px;
}
.aurora-footer-links {
  list-style: none;
}
.aurora-footer-links li {
  margin-bottom: 10px;
}
.aurora-footer-links li a {
  color: rgba(var(--aurora-frost-rgb), 0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}
.aurora-footer-links li a:hover {
  color: var(--aurora-ice-blue);
}

.aurora-footer-social {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}
.aurora-social-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(var(--aurora-frost-rgb), 0.05);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s;
}
.aurora-social-icon:hover {
  border-color: var(--aurora-green);
}
.aurora-social-icon img {
  width: 24px;
  height: 24px;
}

.aurora-footer-bottom {
  border-top: 1px solid rgba(var(--aurora-frost-rgb), 0.08);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.aurora-footer-license {
  font-size: 13px;
  color: rgba(var(--aurora-frost-rgb), 0.5);
  display: flex;
  align-items: center;
  gap: 8px;
}
.aurora-footer-18plus {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: rgba(var(--aurora-frost-rgb), 0.5);
}
.aurora-footer-18badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--aurora-ice-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--aurora-font-title);
  font-size: 14px;
  color: var(--aurora-ice-blue);
}

.aurora-payment-icons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.aurora-payment-icon {
  padding: 6px 14px;
  background: rgba(var(--aurora-frost-rgb), 0.05);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.1);
  border-radius: 6px;
  font-size: 12px;
  color: rgba(var(--aurora-frost-rgb), 0.6);
}

/* === 内页Hero === */
.aurora-inner-hero {
  position: relative;
  padding: 120px 20px 60px;
  text-align: center;
  overflow: hidden;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.aurora-inner-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.aurora-inner-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10,17,40,0.7) 0%, rgba(10,17,40,0.9) 100%);
}
.aurora-inner-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

/* === 内页内容区 === */
.aurora-content-section {
  padding: 60px 20px;
}
.aurora-content-inner {
  max-width: 1000px;
  margin: 0 auto;
}
.aurora-content-inner p {
  margin-bottom: 20px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(var(--aurora-frost-rgb), 0.85);
}
.aurora-content-inner img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 24px 0;
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.1);
}

/* === 数据表格 === */
.aurora-data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
}
.aurora-data-table th {
  background: rgba(var(--aurora-green-rgb), 0.1);
  color: var(--aurora-green);
  padding: 14px 16px;
  text-align: left;
  font-family: var(--aurora-font-title);
  font-weight: 400;
  border-bottom: 2px solid rgba(var(--aurora-green-rgb), 0.2);
}
.aurora-data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(var(--aurora-frost-rgb), 0.06);
  color: rgba(var(--aurora-frost-rgb), 0.8);
}
.aurora-data-table tr:hover td {
  background: rgba(var(--aurora-green-rgb), 0.03);
}

/* === FAQ模块 === */
.aurora-faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.aurora-faq-item {
  background: rgba(var(--aurora-frost-rgb), 0.03);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.08);
  border-radius: 12px;
  overflow: hidden;
}
.aurora-faq-question {
  padding: 18px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 15px;
  min-height: 44px;
  transition: background 0.3s;
}
.aurora-faq-question:hover {
  background: rgba(var(--aurora-green-rgb), 0.05);
}
.aurora-faq-answer {
  padding: 0 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out, padding 0.5s ease-out;
  font-size: 14px;
  color: rgba(var(--aurora-frost-rgb), 0.75);
  line-height: 1.8;
}
.aurora-faq-item.aurora-faq-open .aurora-faq-answer {
  max-height: 500px;
  padding: 0 20px 18px;
}

/* === APP下载页 === */
.aurora-app-showcase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.aurora-download-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 30px;
}
.aurora-download-card {
  background: rgba(var(--aurora-frost-rgb), 0.03);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.1);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}
.aurora-qr-code {
  width: 160px;
  height: 160px;
  margin: 16px auto;
  border-radius: 12px;
  border: 2px solid rgba(var(--aurora-frost-rgb), 0.15);
}

/* === 线路测速 === */
.aurora-speed-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.aurora-speed-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  background: rgba(var(--aurora-frost-rgb), 0.03);
  border: 1px solid rgba(var(--aurora-frost-rgb), 0.08);
  border-radius: 10px;
  font-size: 14px;
}
.aurora-speed-ms {
  color: var(--aurora-green);
  font-family: var(--aurora-font-title);
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
  .aurora-live-tower,
  .aurora-shield-grid,
  .aurora-app-showcase {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .aurora-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .aurora-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(var(--aurora-deep-blue-rgb), 0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid rgba(var(--aurora-green-rgb), 0.2);
  }
  .aurora-nav-links.aurora-nav-open {
    display: flex;
  }
  .aurora-nav-links li a {
    padding: 14px 16px;
    font-size: 16px;
  }
  .aurora-hex-grid {
    grid-template-columns: 1fr;
  }
  .aurora-hero-section {
    min-height: 80vh;
  }
  .aurora-section {
    padding: 40px 16px;
  }
  .aurora-glass-card {
    padding: 20px;
  }
  .aurora-radar-panel {
    padding: 24px;
  }
  .aurora-radar-display {
    width: 200px;
    height: 200px;
  }
  .aurora-calm-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .aurora-calm-grid .aurora-age-badge {
    margin: 0 auto;
  }
  .aurora-download-cards {
    grid-template-columns: 1fr;
  }
  .aurora-footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .aurora-footer-grid {
    grid-template-columns: 1fr;
  }
  .aurora-cert-badges {
    gap: 16px;
  }
  .aurora-cert-badge {
    width: 100px;
    height: 100px;
  }
}

/* === 冰川纹理背景 === */
.aurora-ice-texture {
  background-image: url('../images/aurora-wave-1.webp');
  background-size: cover;
  background-position: center;
  background-blend-mode: overlay;
  background-color: rgba(var(--aurora-deep-blue-rgb), 0.95);
}

/* === 分隔线 === */
.aurora-divider {
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    rgba(var(--aurora-green-rgb), 0.3),
    rgba(var(--aurora-purple-rgb), 0.2),
    transparent);
  margin: 40px 0;
}

/* === 滚动条美化 === */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--aurora-deep-blue);
}
::-webkit-scrollbar-thumb {
  background: rgba(var(--aurora-green-rgb), 0.3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(var(--aurora-green-rgb), 0.5);
}

/* === 选中文本 === */
::selection {
  background: rgba(var(--aurora-green-rgb), 0.3);
  color: var(--aurora-frost);
}

/* === 链接 === */
a {
  color: var(--aurora-ice-blue);
  text-decoration: none;
  transition: color 0.3s;
}
a:hover {
  color: var(--aurora-green);
}

/* === 图片响应式 === */
img {
  max-width: 100%;
  height: auto;
}

/* === 隐藏辅助类 === */
.aurora-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}