:root {
  --primary: #11A84E;
  --primary-dark: #0A4B2C;
  --secondary: #22C768;
  --btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --bg: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border: #2E7A4E;
  --glow: #57E38D;
  --gold: #F2C14E;
  --divider: #1E3A2A;
  --header-offset: 120px;
}
body {
  margin: 0;
  font-family: 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  padding-top: var(--header-offset);
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  background: var(--bg);
}
.header-top {
  background: var(--primary-dark);
  width: 100%;
}
.header-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
}
.logo {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: 0.5px;
  text-shadow: 0 0 15px var(--glow);
  display: inline-block;
}
.desktop-nav-buttons {
  display: flex;
  gap: 12px;
  align-items: center;
}
.btn {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  text-align: center;
  transition: all 0.3s ease;
  color: var(--text-main);
  border: none;
  cursor: pointer;
}
.btn-primary {
  background: var(--btn-gradient);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px var(--glow);
}
.btn-gold {
  background: linear-gradient(180deg, #F2C14E 0%, #D4A135 100%);
  color: #08160F;
}
.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(242, 193, 78, 0.5);
}
.main-nav {
  display: flex;
  background: var(--primary);
  width: 100%;
  border-top: 1px solid var(--divider);
}
.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 8px 20px;
  flex-wrap: wrap;
  gap: 4px;
  width: 100%;
}
.nav-container a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 8px 16px;
  border-radius: 25px;
  transition: background 0.3s ease, color 0.3s ease;
  white-space: nowrap;
}
.nav-container a:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--glow);
}
.mobile-nav-buttons {
  display: none;
}
.hamburger-menu {
  display: none;
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 1200;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 12px;
}
.mobile-menu-overlay {
  display: none;
}
.site-footer {
  background: var(--primary-dark);
  color: var(--text-main);
  padding: 60px 40px 20px;
  margin-top: 60px;
  border-top: 3px solid var(--gold);
}
.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}
.footer-logo {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--text-main);
  text-decoration: none;
  display: inline-block;
  margin-bottom: 15px;
  text-shadow: 0 0 15px var(--glow);
}
.footer-brand p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
  max-width: 400px;
}
.footer-nav h3 {
  color: var(--gold);
  font-size: 1.1rem;
  margin-bottom: 20px;
  border-bottom: 2px solid var(--divider);
  padding-bottom: 10px;
}
.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav ul li {
  margin-bottom: 12px;
}
.footer-nav ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.3s ease, padding-left 0.3s ease;
}
.footer-nav ul li a:hover {
  color: var(--glow);
  padding-left: 8px;
}
.footer-bottom {
  border-top: 1px solid var(--divider);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
}
.footer-bottom p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0;
}
@media (max-width: 768px) {
  :root {
    --header-offset: 150px;
  }
  body {
    padding-top: var(--header-offset);
  }
  .header-container {
    width: 100%;
    max-width: none;
    padding: 14px 15px;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .logo {
    font-size: 1.4rem;
  }
  .desktop-nav-buttons {
    display: none;
  }
  .hamburger-menu {
    display: flex;
    flex-direction: column;
    gap: 6px;
    top: 18px;
    left: 20px;
  }
  .hamburger-menu .bar {
    width: 26px;
    height: 3px;
    background: var(--gold);
    border-radius: 3px;
    transition: all 0.3s ease;
  }
  .hamburger-menu.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  .hamburger-menu.active .bar:nth-child(2) {
    opacity: 0;
  }
  .hamburger-menu.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
  .main-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    background: var(--card-bg);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 1100;
    overflow-y: auto;
    border-right: 2px solid var(--border);
  }
  .main-nav.active {
    display: block;
    transform: translateX(0);
  }
  .nav-container {
    width: 100%;
    max-width: none;
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 20px 30px;
    gap: 8px;
  }
  .nav-container a {
    width: 100%;
    font-size: 1rem;
    padding: 12px 16px;
    border-bottom: 1px solid var(--divider);
    border-radius: 0;
  }
  .nav-container a:last-child {
    border-bottom: none;
  }
  .mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1050;
  }
  .mobile-menu-overlay.active {
    display: block;
  }
  .mobile-nav-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    padding: 10px 15px;
    background: var(--bg);
    border-bottom: 1px solid var(--divider);
    position: relative;
    z-index: 1000;
  }
  .mobile-nav-buttons .btn {
    padding: 10px 24px;
    font-size: 0.9rem;
  }
  .site-footer {
    padding: 40px 20px 20px;
  }
  .footer-container {
    grid-template-columns: 1fr;
    gap: 30px;
    text-align: center;
  }
  .footer-brand p {
    margin: 0 auto;
  }
  .footer-nav {
    text-align: center;
  }
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}
/* 移动端内容区防溢出（系统追加，请勿删除） */
@media (max-width: 768px) {
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}
/* 内容保护（系统追加，请勿删除） */
body {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
input, textarea, select, [contenteditable="true"] {
  -webkit-user-select: text;
  -moz-user-select: text;
  user-select: text;
}