html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; padding-top: var(--header-offset); overflow-x: hidden; }
:root { --header-offset: 122px; --primary-color: #017439; --secondary-color: #FFFFFF; --btn-register-bg: #C30808; --btn-login-bg: #C30808; --btn-text-color: #FFFF00; }

/* Header Styles */
.site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; box-shadow: 0 2px 5px rgba(0,0,0,0.2); background-color: var(--secondary-color); }
.header-top { box-sizing: border-box; min-height: 68px; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: var(--primary-color); width: 100%; }
.header-container { box-sizing: border-box; width: 100%; height: 100%; max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 25px; }
.logo { text-decoration: none; color: var(--secondary-color); font-size: 28px; font-weight: bold; white-space: nowrap; }
.logo img { display: block; max-height: 60px; height: auto; width: auto; max-width: 280px; object-fit: contain; }
.desktop-nav-buttons { display: flex; gap: 12px; align-items: center; }
.mobile-nav-buttons { box-sizing: border-box; display: none; min-height: 48px; background-color: #f0f0f0; /* Light background for mobile buttons */ }

.btn { display: inline-block; padding: 10px 18px; border-radius: 5px; text-decoration: none; font-weight: bold; text-align: center; white-space: nowrap; transition: background-color 0.3s ease, transform 0.2s ease; cursor: pointer; border: none; }
.btn-register { background-color: var(--btn-register-bg); color: var(--btn-text-color); }
.btn-register:hover { background-color: darken(var(--btn-register-bg), 10%); transform: translateY(-1px); }
.btn-login { background-color: var(--btn-login-bg); color: var(--btn-text-color); }
.btn-login:hover { background-color: darken(var(--btn-login-bg), 10%); transform: translateY(-1px); }

.main-nav { box-sizing: border-box; min-height: 52px; height: 52px; display: flex; align-items: center; overflow: hidden; background-color: var(--secondary-color); width: 100%; }
.nav-container { box-sizing: border-box; height: 100%; max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; padding: 0 20px; }
.nav-link { text-decoration: none; color: var(--primary-color); padding: 8px 15px; font-weight: bold; white-space: nowrap; transition: color 0.3s ease, background-color 0.3s ease; border-radius: 3px; font-size: 15px; }
.nav-link:hover { background-color: rgba(1, 116, 57, 0.1); color: var(--primary-color); }

.hamburger-menu { display: none; /* Hidden on desktop */ width: 30px; height: 24px; position: relative; cursor: pointer; background: none; border: none; padding: 0; z-index: 1002; }
.hamburger-menu span { display: block; height: 3px; width: 100%; background-color: var(--secondary-color); border-radius: 3px; position: absolute; left: 0; transition: transform 0.3s ease, opacity 0.3s ease; }
.hamburger-menu span:nth-child(1) { top: 0; }
.hamburger-menu span:nth-child(2) { top: 50%; transform: translateY(-50%); }
.hamburger-menu span:nth-child(3) { bottom: 0; }
.hamburger-menu.active span:nth-child(1) { transform: translateY(10.5px) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { transform: translateY(-10.5px) rotate(-45deg); }

/* Footer Styles */
.site-footer { background-color: var(--primary-color); color: var(--secondary-color); padding: 40px 0 20px; font-size: 14px; }
.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto 30px; padding: 0 20px; }
.footer-col { margin-bottom: 20px; }
.footer-logo { text-decoration: none; color: var(--secondary-color); font-size: 24px; font-weight: bold; display: block; margin-bottom: 15px; }
.footer-description { margin-top: 0; line-height: 1.8; word-wrap: break-word; overflow-wrap: break-word; }
.footer-heading { font-size: 18px; margin-bottom: 15px; color: var(--secondary-color); }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 8px; }
.footer-nav a { text-decoration: none; color: rgba(255, 255, 255, 0.7); transition: color 0.3s ease; }
.footer-nav a:hover { color: var(--secondary-color); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 20px; text-align: center; max-width: 1200px; margin: 0 auto; padding-left: 20px; padding-right: 20px; }
.footer-bottom p { margin: 0; color: rgba(255, 255, 255, 0.6); }
.footer-slot-anchor-inner { min-height: 10px; /* Ensures visibility for injection */ }

/* Responsive Styles */
@media (max-width: 768px) {
  :root { --header-offset: 110px; }
  body { padding-top: var(--header-offset); }
  .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-header { background-color: var(--primary-color); }
  .header-top { min-height: 60px !important; height: 60px !important; background-color: var(--primary-color); }
  .header-container { width: 100%; max-width: none; padding: 0 15px; display: flex; justify-content: space-between; align-items: center; position: relative; }
  .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; position: absolute; left: 50%; transform: translateX(-50%); max-width: calc(100% - 100px); /* Adjust for hamburger width */ font-size: 24px; }
  .logo img { max-height: 56px !important; }
  .desktop-nav-buttons { display: none !important; }
  .mobile-nav-buttons { display: flex !important; min-height: 48px; align-items: center; width: 100%; max-width: 100%; box-sizing: border-box; padding: 0 15px; overflow: hidden; gap: 10px; flex-wrap: nowrap; justify-content: center; background-color: var(--secondary-color); border-bottom: 1px solid rgba(0,0,0,0.1); }
  .mobile-nav-buttons .btn { flex: 1; min-width: 0; max-width: calc(50% - 5px); box-sizing: border-box; padding: 8px 12px; font-size: 13px; white-space: normal; word-wrap: break-word; overflow-wrap: break-word; }

  .hamburger-menu { display: block; color: var(--secondary-color); }
  .main-nav { display: none; position: fixed; top: var(--header-offset); left: 0; width: 100%; height: calc(100vh - var(--header-offset)); flex-direction: column; transform: translateX(-100%); transition: transform 0.3s ease; background-color: var(--secondary-color); overflow-y: auto; z-index: 1001; box-shadow: 2px 0 5px rgba(0,0,0,0.2); }
  .main-nav.active { display: flex; transform: translateX(0); }
  .nav-container { flex-direction: column; align-items: flex-start; padding: 20px 15px; width: 100%; max-width: none; }
  .nav-link { width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(0,0,0,0.05); text-align: left; color: var(--primary-color); }
  .nav-link:last-child { border-bottom: none; }

  .overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.5); z-index: 998; transition: opacity 0.3s ease; }
  .overlay.active { display: block; opacity: 1; }

  .footer-top-grid { grid-template-columns: 1fr; padding: 0 15px; }
  .footer-col { margin-bottom: 30px; }
  .footer-bottom { padding-left: 15px; padding-right: 15px; }
}
/* 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;
}