:root { --header-offset: 122px; --primary-color: #FF8C1A; --secondary-color: #FFA53A; --bg-color: #0D0E12; --card-bg-color: #17191F; --text-main-color: #FFF3E6; --border-color: #A84F0C; --glow-color: #FFB04D; --deep-orange-color: #D96800; }

html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Arial', sans-serif; line-height: 1.6; color: var(--text-main-color); background-color: var(--bg-color); padding-top: var(--header-offset); overflow-x: hidden; }

/* Header Styles */
.site-header { position: fixed; top: 0; left: 0; right: 0; width: 100%; z-index: 1000; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4); }

.header-top { box-sizing: border-box; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: var(--bg-color); width: 100%; padding: 0 20px; }
.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; }

.logo { font-size: 28px; font-weight: bold; color: var(--text-main-color); text-decoration: none; display: flex; align-items: center; white-space: nowrap; }

.desktop-nav-buttons { display: flex; gap: 12px; align-items: center; }
.btn { background: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange-color) 100%); color: var(--text-main-color); padding: 10px 20px; border-radius: 5px; text-decoration: none; font-weight: bold; transition: all 0.3s ease; border: none; cursor: pointer; white-space: nowrap; }
.btn:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 2px 10px var(--glow-color); }

.hamburger-menu { display: none; background: none; border: none; cursor: pointer; padding: 10px; z-index: 1002; }
.hamburger-icon { display: block; width: 24px; height: 2px; background-color: var(--text-main-color); position: relative; transition: background-color 0.3s ease; }
.hamburger-icon::before, .hamburger-icon::after { content: ''; display: block; width: 100%; height: 2px; background-color: var(--text-main-color); position: absolute; transition: transform 0.3s ease, top 0.3s ease; }
.hamburger-icon::before { top: -8px; }
.hamburger-icon::after { top: 8px; }
.hamburger-menu.active .hamburger-icon { background-color: transparent; }
.hamburger-menu.active .hamburger-icon::before { transform: rotate(45deg); top: 0; }
.hamburger-menu.active .hamburger-icon::after { transform: rotate(-45deg); top: 0; }

.mobile-nav-buttons { box-sizing: border-box; display: none; /* Hidden by default on desktop */ min-height: 48px; background-color: var(--card-bg-color); width: 100%; padding: 0 20px; }

.main-nav { box-sizing: border-box; height: 52px; display: flex; align-items: center; overflow: hidden; background-color: var(--card-bg-color); width: 100%; padding: 0 20px; }
.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; gap: 25px; }
.nav-link { color: var(--text-main-color); text-decoration: none; padding: 5px 0; font-weight: 500; transition: color 0.3s ease; white-space: nowrap; }
.nav-link:hover { color: var(--primary-color); }

.mobile-menu-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); z-index: 999; }
.mobile-menu-overlay.active { display: block; }

/* Footer Styles */
.site-footer { background-color: var(--bg-color); color: var(--text-main-color); padding: 40px 20px 20px; font-size: 14px; }
.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto 30px; }
.footer-col { display: flex; flex-direction: column; }
.footer-logo { font-size: 24px; font-weight: bold; color: var(--text-main-color); text-decoration: none; margin-bottom: 15px; }
.footer-description { margin-bottom: 15px; line-height: 1.8; word-wrap: break-word; overflow-wrap: break-word; }
.footer-heading { font-size: 18px; color: var(--primary-color); margin-bottom: 15px; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 8px; }
.footer-nav a { color: var(--text-main-color); text-decoration: none; transition: color 0.3s ease; }
.footer-nav a:hover { color: var(--primary-color); }

.footer-slot-anchor-inner { min-height: 1px; margin-top: 10px; }
.footer-dynamic-col { display: flex; flex-direction: column; }

.footer-bottom { text-align: center; border-top: 1px solid var(--border-color); padding-top: 20px; margin-top: 20px; color: #BBB; }
.footer-bottom p { margin: 0; }

/* Responsive Styles */
@media (max-width: 768px) {
  :root { --header-offset: 110px; }

  body { overflow-x: hidden; }
  .page-content img { max-width: 100% !important; height: auto !important; display: block; }
  .page-content { overflow-x: hidden; max-width: 100%; }

  .header-top { height: 60px; padding: 0 15px; }
  .header-container { width: 100%; max-width: none; justify-content: space-between; }

  .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; font-size: 24px; }
  /* For image logos, uncomment and adjust: */
  /* .logo img { display: block !important; max-width: 100%; height: auto; max-height: 56px; } */

  .desktop-nav-buttons { display: none !important; }
  .hamburger-menu { display: block; }

  .mobile-nav-buttons {
    display: flex !important;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    width: 100%; max-width: 100%;
    box-sizing: border-box;
    padding-left: 15px; padding-right: 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
    background-color: var(--card-bg-color);
  }
  .mobile-nav-buttons .btn {
    flex: 1; min-width: 0;
    max-width: calc(50% - 5px); /* Adjusted for 2 buttons with 10px gap */
    box-sizing: border-box;
    padding: 8px 12px;
    font-size: 13px;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .main-nav {
    height: calc(100vh - var(--header-offset)); /* Full height minus header */
    position: fixed;
    top: var(--header-offset);
    left: 0;
    width: 80%;
    max-width: 300px;
    background-color: var(--card-bg-color);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    flex-direction: column;
    align-items: flex-start;
    padding: 20px;
    box-sizing: border-box;
    overflow-y: auto;
    z-index: 1001;
    display: none; /* Hidden by default on mobile */
  }
  .main-nav.active { display: flex; transform: translateX(0); }
  .main-nav .nav-container { flex-direction: column; align-items: flex-start; gap: 15px; width: 100%; max-width: none; padding: 0; }
  .nav-link { width: 100%; padding: 10px 0; border-bottom: 1px solid var(--border-color); }
  .nav-link:last-child { border-bottom: none; }

  .footer-top-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-col { align-items: flex-start; }
}
/* 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;
}