.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background-color: #0A0A0A; box-shadow: 0 4px 16px rgba(0, 0, 0, 0.6); font-family: 'Segoe UI', Tahoma, sans-serif; display: flex; flex-direction: column; }
.site-header a { text-decoration: none; }
.header-top { background-color: #0A0A0A; 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 { color: #FFD36B; font-size: 26px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; display: inline-block; line-height: 1.2; text-shadow: none; }
.logo:hover { color: #F2C14E; }
.desktop-nav-buttons { display: flex; gap: 12px; align-items: center; }
.btn { padding: 10px 24px; border-radius: 40px; font-size: 14px; font-weight: 700; text-decoration: none; display: inline-block; border: none; cursor: pointer; transition: all 0.3s ease; background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); color: #0A0A0A; box-shadow: 0 0 12px rgba(255, 211, 107, 0.4); }
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 211, 107, 0.7); }
.btn-login { background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); color: #0A0A0A; }
.btn-register { background: linear-gradient(180deg, #FFD86A 0%, #DDA11D 100%); color: #0A0A0A; }
.main-nav { background-color: #1A160F; width: 100%; display: flex; }
.nav-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; width: 100%; padding-top: 8px; padding-bottom: 8px; }
.nav-menu { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; }
.nav-menu li { display: inline-block; }
.nav-menu .active { color: #FFD36B; background-color: #3A2A12; border-radius: 30px; }
.nav-menu a { color: #FFF6D6; font-size: 14px; font-weight: 600; padding: 8px 12px; display: block; border-radius: 30px; transition: background-color 0.3s ease, color 0.3s ease; }
.nav-menu a:hover { background-color: #3A2A12; color: #FFD36B; }
.hamburger-menu { display: none; }
.mobile-menu-overlay { display: none; }
.mobile-nav-buttons { display: none; }
.mobile-menu-header .mobile-logo { display: none; }
:root { --header-offset: 122px; }
body { padding-top: var(--header-offset); }
@media (max-width: 768px) and (max-width: 768px) {
  :root { --header-offset: 110px; }
  .header-top {
    position: relative;
    z-index: 1001;
  }
  .header-container {
    width: 100%;
    max-width: none;
    padding-left: 15px;
    padding-right: 15px;
    min-height: 60px;
  }
  .logo {
    font-size: 20px;
    flex: 1;
  }
  .desktop-nav-buttons {
    display: none;
  }
  .hamburger-menu {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1002;
    order: 1;
  }
  .hamburger-menu span {
    display: block;
    width: 26px;
    height: 3px;
    background-color: #FFD36B;
    margin: 5px 0;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .hamburger-menu.open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .hamburger-menu.open span:nth-child(2) {
    opacity: 0;
  }
  .hamburger-menu.open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  .main-nav {
    display: none;
    position: fixed;
    top: auto;
    left: 0;
    width: 100%;
    background-color: #0A0A0A;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    flex-direction: column;
    z-index: 1000;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
  }
  .main-nav.active {
    display: block;
    transform: translateX(0);
  }
  .nav-container {
    width: 100%;
    max-width: none;
    padding: 10px 15px;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-menu {
    flex-direction: column;
    width: 100%;
  }
  .nav-menu li {
    width: 100%;
  }
  .nav-menu a {
    padding: 10px 15px;
    border-radius: 4px;
  }
  .mobile-nav-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    width: 100%;
    padding-bottom: 15px;
  }
  .mobile-nav-buttons .btn {
    flex: 1;
    text-align: center;
    padding: 8px 20px;
    font-size: 15px;
  }
  .mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 10px;
    border-bottom: 1px solid #3A2A12;
    margin-bottom: 8px;
  }
  .mobile-menu-header .mobile-logo {
    display: inline-block;
  }
  .mobile-menu-overlay.active {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    z-index: 999;
  }
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}
.site-footer { background-color: #111111; color: #FFF6D6; font-family: 'Segoe UI', Tahoma, sans-serif; border-top: 1px solid #3A2A12; }
.site-footer a { text-decoration: none; color: inherit; }
.footer-container { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 30px; padding: 40px 20px; }
.footer-column h4 { color: #FFD36B; margin-bottom: 18px; font-size: 16px; position: relative; padding-bottom: 8px; }
.footer-column h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 25px; height: 2px; background-color: #FFD36B; }
.footer-logo { font-size: 22px; font-weight: 700; color: #FFD36B; text-transform: uppercase; margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 14px; line-height: 1.6; margin: 10px 0; color: #d3c7a4; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 10px; }
.footer-nav a { opacity: 0.8; transition: opacity 0.3s ease, color 0.3s ease; color: #FFF6D6; font-size: 14px; }
.footer-nav a:hover { opacity: 1; color: #FFD36B; }
.footer-bottom { background-color: #0A0A0A; border-top: 1px solid #3A2A12; text-align: center; padding: 15px 0; font-size: 13px; }
.footer-bottom p { color: #FFF6D6; }
.footer-bottom a { color: #FFD36B; }
.footer-contact p { font-size: 14px; margin: 6px 0; color: #d3c7a4; }
.footer-hotline { color: #FFF6D6 !important; font-weight: 700; font-size: 16px; margin-top: 12px !important; }
@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 30px 20px;
  }
  .footer-container .footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  .footer-container .footer-column {
    text-align: center;
  }
  .footer-container .footer-column h4 {
    display: flex;
    justify-content: center;
    justify-content: center;
  }
  .footer-container .footer-column h4::after {
    left: 50%;
    transform: translateX(-50%);
  }
}
/* 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;
}