/* ============================================================
   FORGE MAIN CSS - 钢铁锻造风（Steel Forge / Neon Metropolis）
   5色体系: 午夜黑#FF6D00 钢铁锻造洋红#FF3D00 钢铁锻造青#455A64 深空蓝#FFD600 银灰#1A1A1A
   ============================================================ */

/* --- 字体定义 --- */
@font-face {
  font-family: 'Teko';
  src: url('../fonts/Teko-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Teko';
  src: url('../fonts/Teko-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Teko';
  src: url('../fonts/Teko-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Barlow';
  src: url('../fonts/Barlow-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Barlow';
  src: url('../fonts/Barlow-Medium.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Barlow';
  src: url('../fonts/Barlow-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Barlow';
  src: url('../fonts/Barlow-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* --- CSS变量 --- */
:root {
  --forge-midnight: #FF6D00;
  --forge-magenta: #FF3D00;
  --forge-cyan: #455A64;
  --forge-deepblue: #FFD600;
  --forge-silver: #1A1A1A;
  --forge-bg-dark: #0a0a14;
  --forge-bg-card: rgba(26, 26, 46, 0.85);
  --forge-bg-module: rgba(10, 10, 20, 0.92);
  --forge-glow-magenta: 0 0 15px rgba(255, 61, 0, 0.6), 0 0 30px rgba(255, 61, 0, 0.3);
  --forge-glow-cyan: 0 0 15px rgba(69, 90, 100, 0.6), 0 0 30px rgba(69, 90, 100, 0.3);
  --forge-font-heading: 'Teko', 'PingFang SC', sans-serif;
  --forge-font-body: 'Barlow', 'Microsoft YaHei', sans-serif;
  --forge-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

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

body {
  font-family: var(--forge-font-body);
  background-color: var(--forge-bg-dark);
  color: #c8c8d0;
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* 电路板背景暗纹 */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    linear-gradient(rgba(69, 90, 100, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(69, 90, 100, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

/* --- 通用排版 --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--forge-font-heading);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 1px;
  text-transform: uppercase;
}

h1 { font-size: clamp(32px, 5vw, 52px); color: var(--forge-cyan); }
h2 { font-size: clamp(26px, 4vw, 42px); color: var(--forge-cyan); }
h3 { font-size: clamp(22px, 3vw, 32px); color: var(--forge-magenta); }
h4 { font-size: clamp(18px, 2.5vw, 26px); color: var(--forge-cyan); }
h5 { font-size: clamp(16px, 2vw, 22px); color: var(--forge-magenta); }
h6 { font-size: clamp(14px, 1.5vw, 18px); color: var(--forge-cyan); }

p {
  font-size: clamp(14px, 1.6vw, 16px);
  margin-bottom: 1em;
  color: #c8c8d0;
}

a {
  color: var(--forge-cyan);
  text-decoration: none;
  transition: var(--forge-transition);
}
a:hover {
  color: var(--forge-magenta);
  text-shadow: var(--forge-glow-magenta);
}

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

/* --- 导航栏 --- */
.forge-nav-bar {
  width: 100%;
  background: rgba(10, 10, 20, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--forge-magenta);
  box-shadow: 0 2px 20px rgba(255, 61, 0, 0.15);
  z-index: 1000;
  position: relative;
}

.forge-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  min-height: 64px;
}

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

.forge-nav-logo img {
  height: 42px;
  width: auto;
}

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

.forge-nav-links li a {
  display: block;
  padding: 18px 16px;
  font-family: var(--forge-font-heading);
  font-size: 16px;
  font-weight: 600;
  color: #c8c8d0;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
  position: relative;
  transition: var(--forge-transition);
}

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

.forge-nav-links li a.forge-nav-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 2px;
  background: var(--forge-cyan);
  box-shadow: var(--forge-glow-cyan);
  animation: forge-pulse-line 2s ease-in-out infinite;
}

/* 移动端汉堡菜单 */
.forge-mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.forge-mobile-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--forge-magenta);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(255, 61, 0, 0.5);
  transition: var(--forge-transition);
}

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

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

.forge-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 20, 0.72);
  z-index: 2;
}

.forge-hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 900px;
  padding: 40px 20px;
}

.forge-hero-content h1 {
  text-shadow: 0 0 20px rgba(69, 90, 100, 0.8), 0 0 40px rgba(69, 90, 100, 0.4);
  margin-bottom: 16px;
}

.forge-hero-subtitle {
  font-size: clamp(16px, 2vw, 22px);
  color: #a0a0b0;
  margin-bottom: 24px;
}

.forge-hero-statement {
  font-size: clamp(14px, 1.5vw, 16px);
  color: #8a8a9a;
  max-width: 700px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

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

/* --- 按钮系统 --- */
.forge-btn-primary {
  display: inline-block;
  padding: 14px 36px;
  background: var(--forge-magenta);
  color: var(--forge-bg-dark);
  font-family: var(--forge-font-heading);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--forge-transition);
  min-height: 44px;
  min-width: 44px;
  text-decoration: none;
}

.forge-btn-primary:hover {
  box-shadow: var(--forge-glow-magenta);
  transform: translateY(-2px);
  color: var(--forge-bg-dark);
}

.forge-btn-secondary {
  display: inline-block;
  padding: 14px 36px;
  background: transparent;
  color: var(--forge-cyan);
  font-family: var(--forge-font-heading);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid var(--forge-cyan);
  cursor: pointer;
  transition: var(--forge-transition);
  min-height: 44px;
  min-width: 44px;
  text-decoration: none;
}

.forge-btn-secondary:hover {
  box-shadow: var(--forge-glow-cyan);
  border-color: var(--forge-cyan);
  transform: translateY(-2px);
  color: var(--forge-cyan);
}

/* --- 模块通用 --- */
.forge-section {
  position: relative;
  padding: 80px 20px;
  max-width: 1400px;
  margin: 0 auto;
  z-index: 1;
}

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

.forge-section-title h2 {
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}

.forge-section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--forge-magenta), transparent);
}

/* --- 卡片系统 --- */
.forge-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.forge-game-card {
  background: var(--forge-bg-card);
  border: 1px solid rgba(69, 90, 100, 0.3);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: var(--forge-transition);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

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

.forge-game-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 16px;
}

.forge-game-card h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.forge-game-card .forge-card-status {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: #8a8a9a;
  margin-bottom: 12px;
}

.forge-game-card .forge-card-status span {
  color: var(--forge-cyan);
}

/* --- 全宽模块 --- */
.forge-fullwidth-module {
  position: relative;
  width: 100%;
  padding: 80px 20px;
  background: var(--forge-bg-module);
  border-top: 1px solid rgba(69, 90, 100, 0.15);
  border-bottom: 1px solid rgba(69, 90, 100, 0.15);
  z-index: 1;
}

.forge-fullwidth-inner {
  max-width: 1400px;
  margin: 0 auto;
}

/* --- 试玩区 --- */
.forge-trial-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
}

.forge-trial-sidebar {
  list-style: none;
}

.forge-trial-sidebar li {
  padding: 14px 18px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: var(--forge-transition);
  font-family: var(--forge-font-heading);
  font-size: 16px;
  color: #8a8a9a;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.forge-trial-sidebar li:hover,
.forge-trial-sidebar li.forge-trial-active {
  border-left-color: var(--forge-magenta);
  color: var(--forge-magenta);
  background: rgba(255, 61, 0, 0.08);
}

.forge-trial-screen {
  background: var(--forge-bg-card);
  border: 1px solid rgba(69, 90, 100, 0.3);
  padding: 24px;
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.forge-trial-screen img {
  max-height: 300px;
  margin-bottom: 20px;
}

/* --- 影院模块 --- */
.forge-cinema-screen {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--forge-bg-card);
  border: 2px solid rgba(69, 90, 100, 0.3);
  overflow: hidden;
  margin-bottom: 24px;
}

.forge-cinema-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.forge-cinema-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80px;
  height: 80px;
  background: rgba(255, 61, 0, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--forge-transition);
}

.forge-cinema-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 24px solid var(--forge-bg-dark);
  border-top: 14px solid transparent;
  border-bottom: 14px solid transparent;
  margin-left: 4px;
}

.forge-cinema-play-btn:hover {
  box-shadow: var(--forge-glow-magenta);
  transform: translate(-50%, -50%) scale(1.1);
}

/* --- 注册表单 --- */
.forge-register-form {
  max-width: 500px;
  margin: 0 auto;
}

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

.forge-form-group label {
  display: block;
  font-family: var(--forge-font-heading);
  font-size: 14px;
  color: var(--forge-cyan);
  margin-bottom: 6px;
  letter-spacing: 1px;
}

.forge-form-group input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(26, 26, 46, 0.9);
  border: none;
  border-bottom: 2px solid var(--forge-cyan);
  color: #c8c8d0;
  font-family: var(--forge-font-body);
  font-size: 16px;
  transition: var(--forge-transition);
  min-height: 44px;
}

.forge-form-group input:focus {
  outline: none;
  border-bottom-color: var(--forge-magenta);
  box-shadow: 0 2px 10px rgba(255, 61, 0, 0.2);
}

/* --- 首充广告牌 --- */
.forge-billboard {
  position: relative;
  background: linear-gradient(135deg, rgba(255, 61, 0, 0.12), rgba(10, 10, 20, 0.95));
  border: 2px solid var(--forge-magenta);
  padding: 48px 32px;
  text-align: center;
  box-shadow: var(--forge-glow-magenta);
}

.forge-billboard h2 {
  color: var(--forge-magenta);
}

.forge-energy-plans {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.forge-energy-card {
  background: var(--forge-bg-card);
  border: 1px solid rgba(255, 61, 0, 0.3);
  padding: 24px;
  text-align: center;
  transition: var(--forge-transition);
}

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

.forge-energy-card h4 {
  color: var(--forge-magenta);
  margin-bottom: 12px;
}

/* --- 活动广场 --- */
.forge-quest-list {
  list-style: none;
}

.forge-quest-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--forge-bg-card);
  border: 1px solid rgba(69, 90, 100, 0.2);
  margin-bottom: 16px;
  transition: var(--forge-transition);
}

.forge-quest-item:hover {
  border-color: var(--forge-cyan);
  box-shadow: var(--forge-glow-cyan);
}

.forge-quest-badge {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  background: rgba(69, 90, 100, 0.2);
  border: 1px solid var(--forge-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--forge-font-heading);
  font-size: 20px;
  color: var(--forge-cyan);
}

/* --- VIP摩天楼 --- */
.forge-vip-tower {
  position: relative;
}

.forge-vip-floors {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.forge-vip-floor {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  padding: 24px;
  background: var(--forge-bg-card);
  border-left: 3px solid var(--forge-cyan);
  transition: var(--forge-transition);
  cursor: pointer;
}

.forge-vip-floor:hover {
  border-left-color: var(--forge-magenta);
  background: rgba(255, 61, 0, 0.06);
}

.forge-vip-level {
  font-family: var(--forge-font-heading);
  font-size: 28px;
  color: var(--forge-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --- 安全认证 --- */
.forge-security-badges {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  margin: 32px 0;
}

.forge-badge-item {
  text-align: center;
  max-width: 200px;
}

.forge-badge-item img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto 12px;
  filter: drop-shadow(0 0 10px rgba(69, 90, 100, 0.5));
}

/* --- 负责任博弈 --- */
.forge-curfew-section {
  background: rgba(10, 10, 20, 0.95);
  border-top: 2px solid rgba(255, 61, 0, 0.3);
  padding: 60px 20px;
}

.forge-curfew-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 32px;
  align-items: start;
}

.forge-age-warning {
  width: 100px;
  height: 100px;
  border: 3px solid var(--forge-magenta);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--forge-font-heading);
  font-size: 36px;
  color: var(--forge-magenta);
  box-shadow: var(--forge-glow-magenta);
  flex-shrink: 0;
}

/* --- 页脚 --- */
.forge-footer {
  background: rgba(5, 5, 12, 0.98);
  border-top: 1px solid rgba(69, 90, 100, 0.2);
  padding: 60px 20px 30px;
  position: relative;
  z-index: 1;
}

.forge-footer-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 40px;
}

.forge-footer-col h5 {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--forge-cyan);
}

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

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

.forge-footer-col ul li a {
  color: #8a8a9a;
  font-size: 14px;
  transition: var(--forge-transition);
}

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

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

.forge-social-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--forge-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--forge-cyan);
  font-size: 16px;
  transition: var(--forge-transition);
  min-width: 44px;
  min-height: 44px;
}

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

.forge-footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid rgba(69, 90, 100, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.forge-footer-license {
  font-size: 13px;
  color: #6a6a7a;
}

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

.forge-payment-icon {
  padding: 4px 12px;
  border: 1px solid rgba(138, 138, 154, 0.3);
  font-size: 12px;
  color: #8a8a9a;
  font-family: var(--forge-font-heading);
}

.forge-footer-age {
  display: flex;
  align-items: center;
  gap: 12px;
}

.forge-footer-age-badge {
  width: 36px;
  height: 36px;
  border: 2px solid var(--forge-magenta);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--forge-font-heading);
  font-size: 14px;
  color: var(--forge-magenta);
  flex-shrink: 0;
}

/* --- 面包屑 --- */
.forge-breadcrumb {
  padding: 16px 20px;
  max-width: 1400px;
  margin: 0 auto;
  font-size: 14px;
  color: #6a6a7a;
  position: relative;
  z-index: 1;
}

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

.forge-breadcrumb span {
  margin: 0 8px;
  color: #4a4a5a;
}

/* --- 内页通用 --- */
.forge-page-hero {
  position: relative;
  width: 100%;
  height: 40vh;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.forge-page-hero img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.forge-page-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 20, 0.75);
}

.forge-page-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 20px;
}

.forge-content-area {
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 20px;
  position: relative;
  z-index: 1;
}

.forge-content-area p {
  margin-bottom: 1.5em;
  text-align: justify;
}

.forge-content-area h3 {
  margin-top: 2em;
  margin-bottom: 1em;
}

.forge-content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 32px 0;
}

.forge-content-img-card {
  background: var(--forge-bg-card);
  border: 1px solid rgba(69, 90, 100, 0.2);
  overflow: hidden;
  transition: var(--forge-transition);
}

.forge-content-img-card:hover {
  border-color: var(--forge-cyan);
}

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

.forge-content-img-card .forge-img-caption {
  padding: 12px 16px;
  font-size: 14px;
  color: #8a8a9a;
}

/* --- APP下载页 --- */
.forge-app-download-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  max-width: 1000px;
  margin: 0 auto;
  padding: 48px 20px;
}

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

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

.forge-download-options {
  display: grid;
  gap: 32px;
}

.forge-download-card {
  background: var(--forge-bg-card);
  border: 1px solid rgba(69, 90, 100, 0.3);
  padding: 32px;
  text-align: center;
}

.forge-download-card h4 {
  margin-bottom: 16px;
}

.forge-qr-placeholder {
  width: 160px;
  height: 160px;
  background: #fff;
  margin: 16px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #333;
}

/* --- 数据流瀑布动画 (Data Waterfall) --- */
.forge-data-waterfall {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.06;
  overflow: hidden;
}

/* --- 动画关键帧 --- */

/* 钢铁锻造闪烁 (Neon Flicker) */
@keyframes forge-neon-flicker {
  0%, 100% { opacity: 1; }
  4% { opacity: 0.9; }
  6% { opacity: 0.85; }
  8% { opacity: 1; }
  70% { opacity: 1; }
  72% { opacity: 0.7; }
  77% { opacity: 0.85; }
  78% { opacity: 0.9; }
  80% { opacity: 1; }
}

.forge-flicker {
  animation: forge-neon-flicker 4s ease-in-out infinite;
}

/* 全息投影显现 (Hologram Reveal) */
@keyframes forge-hologram-reveal {
  0% {
    opacity: 0;
    transform: translateY(20px);
    filter: blur(4px) hue-rotate(30deg);
  }
  40% {
    opacity: 0.6;
    filter: blur(2px) hue-rotate(10deg);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0) hue-rotate(0deg);
  }
}

.forge-hologram-reveal {
  opacity: 0;
  transition: none;
}

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

/* 脉冲波纹 (Pulse Ripple) */
@keyframes forge-pulse-ripple {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 61, 0, 0.4);
  }
  100% {
    box-shadow: 0 0 0 20px rgba(255, 61, 0, 0);
  }
}

.forge-btn-primary:hover {
  animation: forge-pulse-ripple 0.6s ease-out;
}

/* 脉冲线条 */
@keyframes forge-pulse-line {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* 数据流下落 */
@keyframes forge-data-fall {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

/* --- 响应式设计 --- */
@media (max-width: 1024px) {
  .forge-nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 20, 0.96);
    flex-direction: column;
    border-bottom: 2px solid var(--forge-magenta);
  }

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

  .forge-nav-links li a {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(69, 90, 100, 0.1);
  }

  .forge-mobile-toggle {
    display: flex;
  }

  .forge-trial-layout {
    grid-template-columns: 1fr;
  }

  .forge-curfew-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .forge-age-warning {
    margin: 0 auto;
  }

  .forge-app-download-layout {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .forge-section {
    padding: 48px 16px;
  }

  .forge-fullwidth-module {
    padding: 48px 16px;
  }

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

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

  .forge-vip-floor {
    grid-template-columns: 60px 1fr;
    padding: 16px;
  }

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

  .forge-footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .forge-hero-content h1 {
    font-size: 32px;
  }
}

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

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

  .forge-security-badges {
    gap: 20px;
  }
}

/* --- 滚动条美化 --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--forge-bg-dark);
}

::-webkit-scrollbar-thumb {
  background: var(--forge-cyan);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--forge-magenta);
}

/* --- 选中文字颜色 --- */
::selection {
  background: rgba(255, 61, 0, 0.3);
  color: #fff;
}