/* ============================================
   PG电子·星际远航 - 太空星舰远航风主题样式
   星舰控制台仪表布局 (Starship Console Layout)
   ============================================ */

/* === 字体内嵌 === */
@font-face {
  font-family: 'Exo2';
  src: url('data:font/woff2;charset=utf-8;base64,') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* === CSS变量定义 === */
:root {
  --starfield-black: #0B0C10;
  --plasma-orange: #FF4500;
  --nebula-purple: #4B0082;
  --gravity-blue: #00BFFF;
  --hologram-white: #F0FFFF;
  --panel-bg: rgba(11, 12, 16, 0.85);
  --panel-border: rgba(255, 69, 0, 0.3);
  --panel-glow: rgba(255, 69, 0, 0.15);
  --console-frame: #1a1b2e;
  --text-secondary: #a0b0c0;
  --font-heading: 'Exo 2', 'Orbitron', sans-serif;
  --font-body: 'Space Mono', 'Courier New', monospace;
}

/* === 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(--starfield-black);
  color: var(--hologram-white);
  line-height: 1.8;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
}

/* === 星空背景粒子 === */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../images/starfield-bg.webp');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  opacity: 0.4;
  z-index: -2;
  pointer-events: none;
}

/* === 加载动画 - 虫洞穿越 === */
.wormhole-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--starfield-black);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.wormhole-loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.wormhole-animation {
  width: 200px;
  height: 200px;
  position: relative;
}

.wormhole-ring {
  position: absolute;
  border: 3px solid transparent;
  border-radius: 50%;
  animation: wormhole-spin 2s linear infinite;
}

.wormhole-ring:nth-child(1) {
  width: 200px;
  height: 200px;
  border-top-color: var(--plasma-orange);
  border-bottom-color: var(--plasma-orange);
}

.wormhole-ring:nth-child(2) {
  width: 160px;
  height: 160px;
  top: 20px;
  left: 20px;
  border-left-color: var(--nebula-purple);
  border-right-color: var(--nebula-purple);
  animation-direction: reverse;
  animation-duration: 1.5s;
}

.wormhole-ring:nth-child(3) {
  width: 120px;
  height: 120px;
  top: 40px;
  left: 40px;
  border-top-color: var(--gravity-blue);
  border-bottom-color: var(--gravity-blue);
  animation-duration: 1s;
}

.wormhole-ship {
  position: absolute;
  width: 30px;
  height: 30px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 24px;
  animation: ship-pulse 1s ease-in-out infinite;
}

@keyframes wormhole-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes ship-pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.7; }
}

/* === 导航栏 - 非Sticky === */
.starship-nav {
  position: relative;
  width: 100%;
  background: linear-gradient(180deg, rgba(11, 12, 16, 0.95) 0%, rgba(26, 27, 46, 0.9) 100%);
  border-bottom: 2px solid var(--panel-border);
  z-index: 1000;
  padding: 0;
}

.nav-container {
  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;
}

.nav-logo img {
  height: 45px;
  width: auto;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0;
}

.nav-menu li a {
  display: block;
  padding: 10px 16px;
  color: var(--hologram-white);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  position: relative;
  white-space: nowrap;
}

.nav-menu li a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--plasma-orange);
  transition: width 0.3s ease;
  box-shadow: 0 0 10px var(--plasma-orange);
}

.nav-menu li a:hover {
  color: var(--plasma-orange);
}

.nav-menu li a:hover::after {
  width: 80%;
}

.nav-menu li a.active {
  color: var(--plasma-orange);
}

/* 移动端汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
  padding: 5px;
}

.nav-toggle span {
  width: 28px;
  height: 3px;
  background: var(--plasma-orange);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* === 面包屑导航 === */
.breadcrumb-nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 15px 20px;
  font-size: 13px;
}

.breadcrumb-nav a {
  color: var(--gravity-blue);
  text-decoration: none;
}

.breadcrumb-nav a:hover {
  color: var(--plasma-orange);
}

.breadcrumb-nav span {
  color: var(--text-secondary);
  margin: 0 8px;
}

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

/* === 星舰控制台仪表模块 === */
.console-module {
  position: relative;
  margin: 40px auto;
  max-width: 1400px;
  padding: 40px 30px;
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  box-shadow: 0 0 30px var(--panel-glow), inset 0 0 20px rgba(0,0,0,0.5);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.console-module.visible {
  opacity: 1;
  transform: translateY(0);
}

.console-module::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 30px;
  right: 30px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--plasma-orange), transparent);
  border-radius: 2px;
}

.console-module::after {
  content: '';
  position: absolute;
  top: 10px;
  right: 15px;
  width: 8px;
  height: 8px;
  background: var(--plasma-orange);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--plasma-orange), -18px 0 0 var(--gravity-blue), -36px 0 0 #00ff88;
}

/* === 模块标题 === */
.section-title {
  text-align: center;
  margin-bottom: 40px;
}

.section-title h2 {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  color: var(--plasma-orange);
  text-shadow: 0 0 20px rgba(255, 69, 0, 0.5);
  margin-bottom: 12px;
  animation: hologram-flicker 4s ease-in-out infinite;
}

.section-title p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 700px;
  margin: 0 auto;
}

@keyframes hologram-flicker {
  0%, 100% { opacity: 1; text-shadow: 0 0 20px rgba(255, 69, 0, 0.5); }
  92% { opacity: 1; }
  93% { opacity: 0.8; text-shadow: 0 0 30px rgba(255, 69, 0, 0.8); }
  94% { opacity: 1; }
  96% { opacity: 0.9; }
  97% { opacity: 1; }
}

/* === Hero模块 === */
.hero-section {
  position: relative;
  width: 100%;
  min-height: 90vh;
  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;
  z-index: -1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(11,12,16,0.3) 0%, rgba(11,12,16,0.7) 60%, rgba(11,12,16,0.95) 100%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
}

.hero-content h1 {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  color: var(--plasma-orange);
  text-shadow: 0 0 40px rgba(255, 69, 0, 0.6);
  margin-bottom: 20px;
  animation: hologram-flicker 4s ease-in-out infinite;
  line-height: 1.3;
}

.hero-content .hero-slogan {
  font-size: 1.4rem;
  color: var(--hologram-white);
  margin-bottom: 30px;
  text-shadow: 0 0 15px rgba(240, 255, 255, 0.3);
}

.hero-content .hero-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 30px;
  line-height: 1.8;
}

/* === CTA按钮 === */
.cta-btn {
  display: inline-block;
  padding: 14px 40px;
  background: linear-gradient(135deg, var(--plasma-orange), #ff6a33);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.cta-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s ease;
}

.cta-btn:hover {
  box-shadow: 0 0 30px rgba(255, 69, 0, 0.6), 0 0 60px rgba(255, 69, 0, 0.3);
  transform: translateY(-2px);
}

.cta-btn:hover::before {
  left: 100%;
}

/* === 六大星球基地网格 === */
.planet-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  padding: 20px 0;
}

.planet-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  background: var(--console-frame);
  transition: all 0.4s ease;
  cursor: pointer;
}

.planet-card:hover {
  border-color: var(--plasma-orange);
  box-shadow: 0 0 25px var(--panel-glow);
  transform: translateY(-5px);
}

.planet-card-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.planet-card:hover .planet-card-img {
  transform: scale(1.08);
}

.planet-card-info {
  padding: 20px;
}

.planet-card-info h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--plasma-orange);
  margin-bottom: 8px;
}

.planet-card-info p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === 星际雷达模块 === */
.radar-section {
  position: relative;
}

.radar-display {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
}

.radar-screen {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
}

.radar-screen img {
  width: 100%;
  border-radius: 12px;
  border: 2px solid var(--panel-border);
}

.odds-panel {
  background: rgba(26, 27, 46, 0.8);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 25px;
}

.odds-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.odds-table th {
  text-align: left;
  padding: 12px 15px;
  color: var(--plasma-orange);
  font-family: var(--font-heading);
  border-bottom: 1px solid var(--panel-border);
  font-size: 0.85rem;
}

.odds-table td {
  padding: 12px 15px;
  border-bottom: 1px solid rgba(255, 69, 0, 0.1);
  color: var(--hologram-white);
}

.odds-table tr:hover td {
  background: rgba(255, 69, 0, 0.05);
}

.odds-value {
  color: var(--gravity-blue);
  font-weight: 700;
  font-family: var(--font-heading);
}

.odds-high {
  color: #00ff88;
}

/* === 注册/登舱模块 === */
.boarding-section {
  position: relative;
}

.boarding-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.boarding-img {
  border-radius: 12px;
  overflow: hidden;
}

.boarding-img img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
}

.boarding-steps {
  list-style: none;
}

.boarding-steps li {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
  padding: 15px;
  background: rgba(26, 27, 46, 0.6);
  border-radius: 8px;
  border-left: 3px solid var(--plasma-orange);
}

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--plasma-orange);
  color: #fff;
  border-radius: 50%;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
}

.step-content h4 {
  color: var(--plasma-orange);
  font-family: var(--font-heading);
  margin-bottom: 5px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* === 新闻广播模块 === */
.broadcast-list {
  display: grid;
  gap: 20px;
}

.broadcast-item {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: rgba(26, 27, 46, 0.6);
  border-radius: 10px;
  border: 1px solid rgba(255, 69, 0, 0.15);
  transition: all 0.3s ease;
}

.broadcast-item:hover {
  border-color: var(--plasma-orange);
  box-shadow: 0 0 15px var(--panel-glow);
}

.broadcast-date {
  min-width: 80px;
  text-align: center;
  padding: 10px;
  background: rgba(255, 69, 0, 0.1);
  border-radius: 8px;
  font-family: var(--font-heading);
}

.broadcast-date .day {
  display: block;
  font-size: 1.8rem;
  color: var(--plasma-orange);
  font-weight: 700;
}

.broadcast-date .month {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.broadcast-content h4 {
  color: var(--hologram-white);
  font-family: var(--font-heading);
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.broadcast-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* === 舰队招募模块 === */
.recruit-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.recruit-img img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
}

.recruit-benefits {
  list-style: none;
}

.recruit-benefits li {
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 69, 0, 0.1);
  color: var(--hologram-white);
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.recruit-benefits li::before {
  content: '▸';
  color: var(--plasma-orange);
  font-size: 1.2rem;
}

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

.license-img {
  max-width: 600px;
  margin: 0 auto 25px;
}

.license-img img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
}

.license-text {
  max-width: 800px;
  margin: 0 auto;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 2;
  padding: 20px;
  border-left: 3px solid var(--nebula-purple);
  text-align: left;
  background: rgba(75, 0, 130, 0.1);
  border-radius: 0 8px 8px 0;
}

/* === 负责任博弈模块 === */
.responsible-section {
  text-align: center;
}

.warning-img {
  max-width: 500px;
  margin: 0 auto 25px;
}

.warning-img img {
  width: 100%;
  border-radius: 12px;
}

.crew-rules {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.crew-rules ul {
  list-style: none;
  margin: 20px 0;
}

.crew-rules ul li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 69, 0, 0.1);
  color: var(--hologram-white);
  display: flex;
  align-items: center;
  gap: 10px;
}

.crew-rules ul li::before {
  content: '⚠';
  color: var(--plasma-orange);
}

.crew-rules .appendix {
  margin-top: 20px;
  padding: 20px;
  background: rgba(75, 0, 130, 0.1);
  border-radius: 8px;
  border: 1px solid rgba(75, 0, 130, 0.3);
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.8;
}

/* === FAQ模块 === */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(26, 27, 46, 0.6);
}

.faq-question {
  width: 100%;
  padding: 18px 20px;
  background: none;
  border: none;
  color: var(--hologram-white);
  font-family: var(--font-heading);
  font-size: 1rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color 0.3s ease;
}

.faq-question:hover {
  color: var(--plasma-orange);
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--plasma-orange);
  transition: transform 0.3s ease;
}

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

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

.faq-answer-inner {
  padding: 0 20px 18px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* === 页脚 === */
.starship-footer {
  background: linear-gradient(180deg, rgba(11, 12, 16, 0.95) 0%, #050510 100%);
  border-top: 2px solid var(--panel-border);
  padding: 60px 0 30px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
}

.footer-col h4 {
  font-family: var(--font-heading);
  color: var(--plasma-orange);
  font-size: 1rem;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--panel-border);
}

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

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

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

.footer-col ul li a:hover {
  color: var(--plasma-orange);
}

.footer-col p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.8;
}

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

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

.footer-social a:hover {
  border-color: var(--plasma-orange);
  background: rgba(255, 69, 0, 0.1);
  color: var(--plasma-orange);
}

.footer-bottom {
  max-width: 1400px;
  margin: 40px auto 0;
  padding: 20px 20px 0;
  border-top: 1px solid rgba(255, 69, 0, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.footer-age-badge {
  width: 50px;
  height: 50px;
  border-radius: 8px;
}

.footer-payment img {
  height: 40px;
  border-radius: 6px;
  opacity: 0.8;
}

.footer-copyright {
  color: var(--text-secondary);
  font-size: 0.8rem;
  text-align: center;
  width: 100%;
  margin-top: 15px;
}

/* === 内页样式 === */
.page-hero {
  position: relative;
  width: 100%;
  min-height: 50vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.page-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(11,12,16,0.4) 0%, rgba(11,12,16,0.85) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 40px 20px;
}

.page-hero-content h1 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  color: var(--plasma-orange);
  text-shadow: 0 0 30px rgba(255, 69, 0, 0.5);
  margin-bottom: 15px;
  animation: hologram-flicker 4s ease-in-out infinite;
}

.page-hero-content p {
  color: var(--hologram-white);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* === 内页内容区 === */
.page-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.page-content h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  color: var(--plasma-orange);
  margin: 40px 0 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--panel-border);
}

.page-content h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--gravity-blue);
  margin: 30px 0 15px;
}

.page-content h4 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--hologram-white);
  margin: 25px 0 12px;
}

.page-content p {
  margin-bottom: 18px;
  color: var(--hologram-white);
  line-height: 2;
}

.page-content .content-img {
  width: 100%;
  border-radius: 12px;
  margin: 25px 0;
  border: 1px solid var(--panel-border);
}

.page-content .tip-box {
  padding: 20px 25px;
  background: rgba(255, 69, 0, 0.08);
  border-left: 4px solid var(--plasma-orange);
  border-radius: 0 8px 8px 0;
  margin: 25px 0;
}

.page-content .tip-box h4 {
  color: var(--plasma-orange);
  margin-top: 0;
}

.page-content .quantum-box {
  padding: 20px 25px;
  background: rgba(75, 0, 130, 0.1);
  border-left: 4px solid var(--nebula-purple);
  border-radius: 0 8px 8px 0;
  margin: 25px 0;
}

.page-content .quantum-box h4 {
  color: var(--nebula-purple);
  margin-top: 0;
}

/* === APP下载页特殊样式 === */
.app-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 30px 0;
}

.app-feature-card {
  padding: 25px;
  background: rgba(26, 27, 46, 0.6);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  text-align: center;
  transition: all 0.3s ease;
}

.app-feature-card:hover {
  border-color: var(--plasma-orange);
  box-shadow: 0 0 20px var(--panel-glow);
}

.app-feature-card .feature-icon {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.app-feature-card h4 {
  color: var(--plasma-orange);
  font-family: var(--font-heading);
  margin-bottom: 10px;
}

.app-feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.download-qr-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin: 40px 0;
}

.qr-card {
  text-align: center;
  padding: 30px;
  background: rgba(26, 27, 46, 0.6);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
}

.qr-card h4 {
  color: var(--gravity-blue);
  font-family: var(--font-heading);
  margin-bottom: 15px;
}

.qr-placeholder {
  width: 180px;
  height: 180px;
  margin: 0 auto 15px;
  border: 2px dashed var(--panel-border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* === 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) {
  .planet-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .radar-display,
  .boarding-layout,
  .recruit-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(11, 12, 16, 0.98);
    flex-direction: column;
    padding: 15px 0;
    border-top: 1px solid var(--panel-border);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-menu li a {
    padding: 12px 25px;
    font-size: 15px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .hero-content h1 {
    font-size: 2.2rem;
  }
  
  .hero-content .hero-slogan {
    font-size: 1.1rem;
  }
  
  .planet-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .section-title h2 {
    font-size: 1.6rem;
  }
  
  .console-module {
    margin: 20px 15px;
    padding: 25px 18px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .page-hero-content h1 {
    font-size: 2rem;
  }
  
  .app-features {
    grid-template-columns: 1fr;
  }
  
  .download-qr-section {
    grid-template-columns: 1fr;
  }
  
  .broadcast-item {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .hero-content h1 {
    font-size: 1.8rem;
  }
  
  .console-module {
    margin: 15px 10px;
    padding: 20px 15px;
  }
  
  .cta-btn {
    padding: 12px 30px;
    font-size: 1rem;
  }
}

/* === 工具类 === */
.text-orange { color: var(--plasma-orange); }
.text-blue { color: var(--gravity-blue); }
.text-purple { color: var(--nebula-purple); }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }