:root {
  --header-offset: 122px;
  --primary: #C61F1F;
  --secondary: #E53030;
  --btn-bg: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
  --card-bg: #2A1212;
  --bg-color: #140C0C;
  --text-main: #FFF1E8;
  --border-color: #6A1E1E;
  --gold: #F3C54D;
  --deep-red: #7E0D0D;
}
body {
  padding-top: var(--header-offset);
  background-color: var(--bg-color);
  color: var(--text-main);
  margin: 0;
  font-family: Arial, sans-serif;
}
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: var(--bg-color);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
  display: block;
}
.header-top {
  background: #1a0a0a;
  width: 100%;
}
.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  min-height: 68px;
}
.logo {
  font-size: 2rem;
  font-weight: 900;
  color: var(--gold);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  flex-shrink: 0;
}
.desktop-nav-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
}
.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 30px;
  background: var(--btn-bg);
  color: #fff;
  font-weight: bold;
  font-size: 15px;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(255,176,74,0.3);
  transition: transform 0.2s;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn-login {
  background: linear-gradient(180deg, #E53030 0%, #C61F1F 100%);
}
.hamburger-menu {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
}
.hamburger-menu span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--gold);
  margin: 5px 0;
  transition: 0.4s;
}
.hamburger-menu.active span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 6px);
}
.hamburger-menu.active span:nth-child(2) {
  opacity: 0;
}
.hamburger-menu.active span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -6px);
}
.main-nav {
  background: #1f0a0a;
  display: flex;
  width: 100%;
  border-top: 1px solid var(--border-color);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  padding: 10px 20px;
}
.nav-link {
  color: var(--text-main);
  text-decoration: none;
  font-size: 15px;
  padding: 8px 14px;
  font-weight: 600;
  border-radius: 5px;
  transition: background 0.3s;
}
.nav-link:hover, .nav-link.active {
  background: var(--deep-red);
  color: var(--gold);
}
.mobile-menu-overlay {
  display: none;
}
.mobile-nav-buttons {
  display: none;
}
@media (max-width: 768px) {
  :root {
    --header-offset: 110px;
  }
  .header-container {
    width: 100%;
    max-width: none;
    padding: 0 10px;
    min-height: 60px;
  }
  .logo {
    font-size: 1.5rem;
    flex: 1;
    order: 2;
    text-align: center;
  }
  .desktop-nav-buttons {
    display: none;
  }
  .hamburger-menu {
    display: block;
    order: 1;
    flex: 0 0 auto;
  }
  .mobile-nav-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 10px;
    background: #1a0a0a;
  }
  .btn {
    padding: 8px 20px;
    font-size: 14px;
  }
  .main-nav {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100%;
    background: #1a0a0a;
    flex-direction: column;
    padding-top: 80px;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    border-top: none;
    box-shadow: 2px 0 10px rgba(0,0,0,0.5);
    z-index: 1001;
  }
  .main-nav.active {
    display: flex;
    transform: translateX(0);
  }
  .nav-container {
    width: 100%;
    max-width: none;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    padding: 20px 0;
  }
  .nav-link {
    width: 100%;
    text-align: left;
    padding: 12px 30px;
    font-size: 16px;
    border-bottom: 1px solid var(--border-color);
  }
  .mobile-menu-overlay.active {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
  }
  .site-footer {
    padding-bottom: 20px;
  }
  .footer-container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 30px;
    padding: 40px 20px;
  }
  .footer-column {
    width: 100%;
    max-width: 100%!important;
  }
}
.site-footer {
  background: #171010;
  border-top: 4px solid var(--gold);
  margin-top: 40px;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 40px;
  padding: 50px 20px 30px;
}
.footer-brand {
  flex: 1;
}
.footer-logo {
  font-size: 2rem;
  font-weight: 900;
  color: var(--gold);
  text-decoration: none;
  text-transform: uppercase;
}
.footer-description {
  color: var(--text-main);
  font-size: 14px;
  margin-top: 15px;
  opacity: 0.8;
  line-height: 1.6;
}
.footer-column {
  flex: 1;
  min-width: 140px;
}
.footer-heading {
  color: var(--gold);
  font-size: 18px;
  margin-bottom: 20px;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}
.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav li {
  margin-bottom: 10px;
}
.footer-nav a {
  color: var(--text-main);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s;
}
.footer-nav a:hover {
  color: var(--gold);
}
.footer-bottom {
  text-align: center;
  padding: 20px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-color);
}
.footer-bottom p {
  color: var(--text-main);
  font-size: 14px;
}
.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
}
@media (max-width: 768px) {
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
}
/* 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;
}