/* ========================================
   废土朋克风 - 澳门六合 主样式表
   Wasteland Punk Theme Stylesheet
   ======================================== */

/* --- 字体引入 --- */
@font-face {
  font-family: 'Special Elite';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('special-elite.ttf') format('truetype');
}

/* --- CSS变量 --- */
:root {
  --sand-yellow: #C2B280;
  --rust-red: #8B0000;
  --radiation-green: #00FF00;
  --oil-black: #1C1C1C;
  --dark-brown: #3B2F2F;
  --aged-paper: #D4C5A9;
  --concrete-gray: #4A4A4A;
  --barbed-wire: #6B6B6B;
  --warning-orange: #FF6600;
  --font-title: 'Special Elite', 'Courier New', monospace;
  --font-body: 'Courier New', 'SimSun', monospace;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--oil-black);
  color: var(--sand-yellow);
  line-height: 1.8;
  overflow-x: hidden;
  position: relative;
}

/* --- 沙尘暴背景粒子效果 --- */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(194,178,128,0.3), transparent),
    radial-gradient(1px 1px at 30% 60%, rgba(194,178,128,0.2), transparent),
    radial-gradient(2px 2px at 50% 10%, rgba(194,178,128,0.15), transparent),
    radial-gradient(1px 1px at 70% 80%, rgba(194,178,128,0.25), transparent),
    radial-gradient(1px 1px at 90% 40%, rgba(194,178,128,0.2), transparent);
  pointer-events: none;
  z-index: 0;
  animation: sandstorm 8s linear infinite;
}

@keyframes sandstorm {
  0% { transform: translateX(0) translateY(0); }
  25% { transform: translateX(5px) translateY(-3px); }
  50% { transform: translateX(-3px) translateY(5px); }
  75% { transform: translateX(3px) translateY(2px); }
  100% { transform: translateX(0) translateY(0); }
}

/* --- 辐射闪烁动画 --- */
@keyframes radiationFlicker {
  0%, 100% { opacity: 1; }
  10% { opacity: 0.8; }
  20% { opacity: 1; }
  30% { opacity: 0.6; }
  40% { opacity: 1; }
  50% { opacity: 0.9; }
  70% { opacity: 0.7; }
  80% { opacity: 1; }
  90% { opacity: 0.85; }
}

/* --- 金属碰撞动画 --- */
@keyframes metalClank {
  0%, 100% { transform: translateX(0); }
  10% { transform: translateX(-2px) rotate(-0.5deg); }
  20% { transform: translateX(2px) rotate(0.5deg); }
  30% { transform: translateX(-1px); }
  40% { transform: translateX(1px); }
  50% { transform: translateX(0); }
}

/* --- 链接样式 --- */
a {
  color: var(--radiation-green);
  text-decoration: none;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

a:hover {
  color: var(--warning-orange);
  text-shadow: 0 0 8px rgba(255,102,0,0.5);
}

/* --- 标题样式 --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  color: var(--rust-red);
  text-shadow: 2px 2px 4px rgba(0,0,0,0.8);
  letter-spacing: 2px;
  line-height: 1.4;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; margin-bottom: 1rem; }
h3 { font-size: 1.5rem; margin-bottom: 0.8rem; }
h4 { font-size: 1.25rem; }

/* --- 干扰标签区块 --- */
.jammer-block {
  display: none !important;
  visibility: hidden;
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

/* --- 导航栏 --- */
.wasteland-nav {
  background: linear-gradient(180deg, var(--oil-black) 0%, rgba(28,28,28,0.95) 100%);
  border-bottom: 3px solid var(--rust-red);
  padding: 0.8rem 1rem;
  position: relative;
  z-index: 1000;
}

.wasteland-nav::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--barbed-wire) 0px,
    var(--barbed-wire) 10px,
    transparent 10px,
    transparent 15px
  );
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo img {
  height: 45px;
  width: auto;
  filter: drop-shadow(0 0 5px rgba(139,0,0,0.5));
}

.nav-logo span {
  font-family: var(--font-title);
  font-size: 1.3rem;
  color: var(--rust-red);
  text-shadow: 0 0 10px rgba(139,0,0,0.3);
}

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

.nav-links li a {
  display: block;
  padding: 0.6rem 1rem;
  color: var(--sand-yellow);
  font-family: var(--font-body);
  font-size: 0.9rem;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links li a:hover,
.nav-links li a.active {
  color: var(--radiation-green);
  border-color: var(--rust-red);
  background: rgba(139,0,0,0.15);
  text-shadow: 0 0 8px rgba(0,255,0,0.3);
}

/* 移动端终端机风格菜单 */
.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--rust-red);
  color: var(--radiation-green);
  font-family: var(--font-body);
  font-size: 1.2rem;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  position: relative;
}

.menu-toggle::before {
  content: '>';
  margin-right: 0.3rem;
  animation: radiationFlicker 2s infinite;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    display: none;
    width: 100%;
    flex-direction: column;
    background: var(--oil-black);
    border: 1px solid var(--rust-red);
    margin-top: 0.5rem;
    padding: 0.5rem;
  }

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

  .nav-links li a {
    padding: 0.8rem 1rem;
    border-bottom: 1px dashed var(--barbed-wire);
    font-size: 0.95rem;
  }

  .nav-links li a::before {
    content: '$ ';
    color: var(--radiation-green);
  }
}

/* --- Hero模块 --- */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--oil-black);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
  filter: sepia(0.3) contrast(1.2);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(28,28,28,0.3) 0%,
    rgba(28,28,28,0.6) 50%,
    rgba(28,28,28,0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
  max-width: 800px;
}

.hero-content h1 {
  font-size: 3rem;
  color: var(--rust-red);
  text-shadow: 3px 3px 6px rgba(0,0,0,0.9), 0 0 20px rgba(139,0,0,0.4);
  margin-bottom: 1rem;
  animation: metalClank 4s ease-in-out infinite;
}

.hero-slogan {
  font-size: 1.3rem;
  color: var(--sand-yellow);
  margin-bottom: 2rem;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.8);
}

.cta-button {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--rust-red);
  color: var(--sand-yellow);
  font-family: var(--font-title);
  font-size: 1.2rem;
  border: 2px solid var(--sand-yellow);
  text-decoration: none;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.cta-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(194,178,128,0.2), transparent);
  transition: left 0.5s ease;
}

.cta-button:hover {
  background: var(--warning-orange);
  color: var(--oil-black);
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(255,102,0,0.5);
}

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

/* --- 碎片化拼接布局模块 --- */
.survivor-module {
  position: relative;
  padding: 3rem 1rem;
  margin: 0;
  border-top: 3px solid var(--rust-red);
  z-index: 1;
}

.survivor-module:nth-child(odd) {
  background: linear-gradient(135deg, var(--oil-black) 0%, rgba(59,47,47,0.5) 100%);
}

.survivor-module:nth-child(even) {
  background: linear-gradient(225deg, rgba(28,28,28,0.95) 0%, rgba(74,74,74,0.3) 100%);
}

.survivor-module::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23C2B280' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.module-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}

/* --- 品牌故事模块（泛黄纸张） --- */
.brand-story {
  background: linear-gradient(135deg, var(--aged-paper) 0%, #BFB08A 100%);
  color: var(--oil-black);
  padding: 3rem 2rem;
  position: relative;
  border: 2px solid var(--dark-brown);
  box-shadow: inset 0 0 30px rgba(0,0,0,0.2), 5px 5px 15px rgba(0,0,0,0.5);
}

.brand-story::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 28px,
    rgba(139,0,0,0.08) 28px,
    rgba(139,0,0,0.08) 29px
  );
  pointer-events: none;
}

.brand-story h2,
.brand-story h3 {
  color: var(--rust-red);
}

.brand-story p {
  color: var(--dark-brown);
  text-indent: 2em;
  margin-bottom: 1rem;
  line-height: 2;
}

.story-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  align-items: start;
}

.story-map {
  width: 100%;
  border: 3px solid var(--dark-brown);
  box-shadow: 3px 3px 10px rgba(0,0,0,0.3);
}

@media (max-width: 768px) {
  .story-layout {
    grid-template-columns: 1fr;
  }
}

/* --- 碎片化卡片网格 --- */
.patchwork-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 1rem 0;
}

.patch-card {
  background: rgba(28,28,28,0.8);
  border: 2px solid var(--barbed-wire);
  padding: 1.5rem;
  position: relative;
  transition: all 0.3s ease;
  overflow: hidden;
}

.patch-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 1px dashed var(--rust-red);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.patch-card:hover {
  border-color: var(--rust-red);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(139,0,0,0.3);
}

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

.patch-card h3 {
  color: var(--radiation-green);
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--barbed-wire);
}

.patch-card p {
  font-size: 0.9rem;
  line-height: 1.7;
}

.patch-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  margin-bottom: 1rem;
  border: 1px solid var(--barbed-wire);
  filter: sepia(0.2) contrast(1.1);
}

/* --- 实时开奖模块 --- */
.live-draw-panel {
  background: var(--oil-black);
  border: 2px solid var(--radiation-green);
  padding: 2rem;
  position: relative;
  box-shadow: 0 0 15px rgba(0,255,0,0.1), inset 0 0 30px rgba(0,0,0,0.5);
}

.live-draw-panel::before {
  content: '[ LIVE SIGNAL ]';
  position: absolute;
  top: -12px;
  left: 20px;
  background: var(--oil-black);
  color: var(--radiation-green);
  padding: 0 10px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  animation: radiationFlicker 1.5s infinite;
}

.draw-numbers {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.draw-ball {
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: bold;
  border: 2px solid;
  animation: radiationFlicker 3s infinite;
}

.draw-ball.red { background: var(--rust-red); color: var(--sand-yellow); border-color: #FF4444; }
.draw-ball.green { background: #006400; color: var(--radiation-green); border-color: var(--radiation-green); }
.draw-ball.blue { background: #00008B; color: #6666FF; border-color: #4444FF; }

/* --- 安全保障模块 --- */
.security-section {
  background: linear-gradient(180deg, rgba(28,28,28,0.95), rgba(59,47,47,0.5));
}

.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.security-item {
  text-align: center;
  padding: 1.5rem;
  border: 1px solid var(--barbed-wire);
  background: rgba(0,0,0,0.3);
}

.security-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
  filter: hue-rotate(0deg);
}

/* --- VIP等级模块 --- */
.vip-tiers {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.vip-card {
  background: linear-gradient(135deg, rgba(28,28,28,0.9), rgba(59,47,47,0.6));
  border: 2px solid var(--barbed-wire);
  padding: 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
}

.vip-card:hover {
  border-color: var(--radiation-green);
  box-shadow: 0 0 20px rgba(0,255,0,0.15);
}

.vip-card .tier-name {
  font-family: var(--font-title);
  font-size: 1.3rem;
  color: var(--radiation-green);
  margin-bottom: 0.5rem;
}

.vip-card .tier-desc {
  font-size: 0.85rem;
  color: var(--sand-yellow);
}

/* --- 废土电台模块 --- */
.radio-section {
  background: radial-gradient(ellipse at center, rgba(59,47,47,0.4) 0%, var(--oil-black) 100%);
}

.radio-player {
  background: var(--oil-black);
  border: 2px solid var(--rust-red);
  padding: 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.radio-player img {
  width: 200px;
  height: 200px;
  object-fit: cover;
  border: 2px solid var(--barbed-wire);
}

.radio-info h3 {
  color: var(--radiation-green);
  animation: radiationFlicker 2s infinite;
}

/* --- APP下载模块 --- */
.app-section {
  background: linear-gradient(135deg, var(--oil-black), rgba(59,47,47,0.3));
  text-align: center;
}

.app-badges {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin: 2rem 0;
}

.app-badge {
  padding: 1rem 2rem;
  background: var(--rust-red);
  color: var(--sand-yellow);
  font-family: var(--font-title);
  border: 2px solid var(--sand-yellow);
  font-size: 1.1rem;
  transition: all 0.3s ease;
}

.app-badge:hover {
  background: var(--warning-orange);
  color: var(--oil-black);
}

/* --- 页脚（废弃地铁站风格） --- */
.wasteland-footer {
  background: linear-gradient(180deg, var(--oil-black) 0%, #0D0D0D 100%);
  border-top: 4px solid var(--rust-red);
  padding: 3rem 1rem 1.5rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.wasteland-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 40px,
      rgba(107,107,107,0.05) 40px,
      rgba(107,107,107,0.05) 41px
    );
  pointer-events: none;
}

.footer-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  position: relative;
}

.footer-col h4 {
  color: var(--rust-red);
  font-family: var(--font-title);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--barbed-wire);
  font-size: 1rem;
}

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

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul li a {
  color: var(--sand-yellow);
  font-size: 0.85rem;
  transition: color 0.3s ease;
}

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

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 2px solid var(--barbed-wire);
  color: var(--sand-yellow);
  font-size: 1.2rem;
  transition: all 0.3s ease;
  font-family: var(--font-title);
}

.footer-social a:hover {
  border-color: var(--radiation-green);
  color: var(--radiation-green);
  box-shadow: 0 0 10px rgba(0,255,0,0.3);
}

.footer-bottom {
  max-width: 1100px;
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--barbed-wire);
  text-align: center;
  font-size: 0.8rem;
  color: var(--barbed-wire);
}

.footer-payment {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.footer-payment span {
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--barbed-wire);
  font-size: 0.75rem;
  color: var(--sand-yellow);
}

.footer-age {
  display: inline-block;
  margin: 1rem 0;
}

.footer-age img {
  height: 50px;
  width: auto;
  border: 2px solid var(--rust-red);
}

.footer-cert {
  margin: 0.5rem 0;
  font-size: 0.75rem;
  color: var(--barbed-wire);
}

/* --- 内页通用样式 --- */
.page-hero {
  position: relative;
  min-height: 40vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--oil-black);
}

.page-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: sepia(0.3) contrast(1.2);
}

.page-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(28,28,28,0.5), rgba(28,28,28,0.9));
}

.page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem;
}

.page-hero-content h1 {
  font-size: 2.5rem;
  color: var(--rust-red);
  text-shadow: 3px 3px 6px rgba(0,0,0,0.9);
}

.page-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.page-content p {
  text-indent: 2em;
  margin-bottom: 1.2rem;
  line-height: 2;
}

.page-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--rust-red);
}

.page-content h3 {
  margin-top: 1.5rem;
  color: var(--radiation-green);
}

.content-image {
  width: 100%;
  max-width: 700px;
  margin: 1.5rem auto;
  display: block;
  border: 2px solid var(--barbed-wire);
  box-shadow: 3px 3px 10px rgba(0,0,0,0.5);
}

/* --- 策略卡片 --- */
.strategy-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.strategy-card {
  background: rgba(28,28,28,0.8);
  border: 2px solid var(--rust-red);
  border-left: 5px solid var(--radiation-green);
  padding: 1.5rem;
}

.strategy-card h4 {
  color: var(--radiation-green);
  margin-bottom: 0.8rem;
}

/* --- 生存法则区块 --- */
.survival-rules {
  background: var(--aged-paper);
  color: var(--oil-black);
  padding: 2rem;
  margin: 2rem 0;
  border: 2px solid var(--dark-brown);
  position: relative;
}

.survival-rules h3 {
  color: var(--rust-red);
}

.survival-rules ol {
  padding-left: 1.5rem;
}

.survival-rules ol li {
  margin-bottom: 0.8rem;
  color: var(--dark-brown);
  line-height: 1.8;
}

/* --- APP下载页面专用 --- */
.bunker-bg {
  background: linear-gradient(135deg, #2A2A2A 0%, var(--oil-black) 50%, #1A1A1A 100%);
  position: relative;
}

.bunker-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 100px,
      rgba(107,107,107,0.05) 100px,
      rgba(107,107,107,0.05) 101px
    ),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 100px,
      rgba(107,107,107,0.05) 100px,
      rgba(107,107,107,0.05) 101px
    );
  pointer-events: none;
}

.install-steps {
  counter-reset: step-counter;
}

.install-step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  margin-bottom: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--barbed-wire);
  background: rgba(0,0,0,0.3);
  counter-increment: step-counter;
  position: relative;
}

.install-step::before {
  content: 'STEP ' counter(step-counter);
  position: absolute;
  top: -12px;
  left: 15px;
  background: var(--rust-red);
  color: var(--sand-yellow);
  padding: 2px 10px;
  font-family: var(--font-title);
  font-size: 0.8rem;
}

.step-content h4 {
  color: var(--radiation-green);
  margin-bottom: 0.5rem;
}

.app-advantages {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.advantage-item {
  text-align: center;
  padding: 1.5rem;
  border: 2px solid var(--rust-red);
  background: rgba(139,0,0,0.1);
  transition: all 0.3s ease;
}

.advantage-item:hover {
  background: rgba(139,0,0,0.2);
  box-shadow: 0 0 15px rgba(139,0,0,0.3);
}

.advantage-item h4 {
  color: var(--radiation-green);
  margin-bottom: 0.5rem;
}

/* --- FAQ模块 --- */
.faq-item {
  border: 1px solid var(--barbed-wire);
  margin-bottom: 1rem;
  background: rgba(0,0,0,0.3);
}

.faq-question {
  padding: 1rem 1.5rem;
  cursor: pointer;
  color: var(--radiation-green);
  font-family: var(--font-title);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: rgba(139,0,0,0.1);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: var(--rust-red);
}

.faq-answer {
  padding: 0 1.5rem 1rem;
  display: none;
  border-top: 1px dashed var(--barbed-wire);
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-question::after {
  content: '-';
}

/* --- 响应式设计 --- */
@media (max-width: 1024px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hero-content h1 { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  html { font-size: 14px; }
  h1 { font-size: 1.8rem; }
  h2 { font-size: 1.4rem; }
  .hero-content h1 { font-size: 2rem; }
  .hero-slogan { font-size: 1.1rem; }
  .survivor-module { padding: 2rem 0.8rem; }
  .patchwork-grid { grid-template-columns: 1fr; }
  .draw-ball { width: 45px; height: 45px; font-size: 1.1rem; }
  .radio-player { flex-direction: column; text-align: center; }
  .radio-player img { width: 150px; height: 150px; }
  .install-step { flex-direction: column; }
  .page-hero-content h1 { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  html { font-size: 13px; }
  .hero-content h1 { font-size: 1.6rem; }
  .cta-button { padding: 0.8rem 1.5rem; font-size: 1rem; }
  .nav-logo span { font-size: 1rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

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

/* --- 滚动条样式 --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--oil-black);
}

::-webkit-scrollbar-thumb {
  background: var(--rust-red);
  border-radius: 0;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--warning-orange);
}

/* --- 选中文字样式 --- */
::selection {
  background: var(--rust-red);
  color: var(--sand-yellow);
}

/* --- 打印样式 --- */
@media print {
  body { background: white; color: black; }
  .wasteland-nav, .wasteland-footer, .cta-button { display: none; }
}