html { scroll-behavior: smooth; }
body { margin: 0; font-family: 'Arial', sans-serif; padding-top: var(--header-offset); background-color: #0D0E12; color: #FFF3E6; overflow-x: hidden; }
:root { --header-offset: 122px; --primary-color: #FF8C1A; --accent-color: #FFA53A; --card-bg: #17191F; --text-main: #FFF3E6; --border-color: #A84F0C; --glow-color: #FFB04D; --deep-orange: #D96800; }

/* --- Header Styles --- */
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); }

.header-top { box-sizing: border-box; min-height: 68px; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: #0D0E12; 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; padding: 0 20px; }

.logo { font-size: 28px; font-weight: bold; color: var(--text-main); text-decoration: none; display: flex; align-items: center; 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; }
.btn { padding: 10px 20px; border-radius: 25px; text-decoration: none; font-weight: bold; text-align: center; white-space: nowrap; cursor: pointer; transition: all 0.3s ease; color: var(--text-main); background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%); border: none; }
.btn:hover { box-shadow: 0 0 15px var(--glow-color); transform: translateY(-2px); }

.main-nav { box-sizing: border-box; min-height: 52px; height: 52px; display: flex; align-items: center; overflow: hidden; background-color: #17191F; 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; gap: 25px; }
.nav-link { color: var(--text-main); text-decoration: none; font-weight: bold; padding: 5px 0; position: relative; transition: color 0.3s ease; white-space: nowrap; }
.nav-link::after { content: ''; position: absolute; left: 0; bottom: -5px; width: 0; height: 3px; background-color: var(--primary-color); transition: width 0.3s ease; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link:hover { color: var(--primary-color); }

.hamburger-menu { display: none; cursor: pointer; padding: 10px; z-index: 1001; }
.hamburger-menu .bar { width: 25px; height: 3px; background-color: var(--text-main); margin: 5px 0; transition: all 0.3s ease; }

.overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.7); z-index: 999; opacity: 0; transition: opacity 0.3s ease; }
.overlay.active { display: block; opacity: 1; }

.mobile-nav-buttons { box-sizing: border-box; display: none; min-height: 48px; }

/* --- Footer Styles --- */
.site-footer { background-color: #17191F; padding: 40px 20px 20px; color: #FFF3E6; font-size: 14px; line-height: 1.6; }
.footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; max-width: 1200px; margin: 0 auto 30px; }
.footer-col h3 { color: var(--primary-color); font-size: 18px; margin-bottom: 20px; }
.footer-logo { font-size: 24px; font-weight: bold; color: var(--text-main); text-decoration: none; margin-bottom: 15px; display: block; }
.footer-description { color: #FFF3E6; margin-bottom: 20px; overflow-wrap: break-word; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 10px; }
.footer-nav a { color: #FFF3E6; text-decoration: none; transition: color 0.3s ease; }
.footer-nav a:hover { color: var(--primary-color); }

.footer-bottom { border-top: 1px solid var(--border-color); padding-top: 20px; margin-top: 20px; text-align: center; color: #FFF3E6; }
.footer-bottom a { color: #FFF3E6; text-decoration: none; margin: 0 5px; }
.footer-bottom a:hover { color: var(--primary-color); }

.footer-slot-anchor-inner { min-height: 1px; }
.footer-slot-anchor { min-height: 1px; }
.footer-mid-row-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1200px; margin: 20px auto; }

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

  .header-top { min-height: 60px !important; height: 60px !important; padding: 0 15px; }
  .header-container { padding: 0; position: relative; justify-content: flex-start; }

  .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; 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;
    justify-content: center;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0 15px;
    overflow: hidden;
    gap: 10px;
    flex-wrap: nowrap;
    background-color: #17191F;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  }
  .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: flex; flex-direction: column; justify-content: center; align-items: center; position: absolute; left: 15px; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; border-radius: 5px; background-color: rgba(255, 255, 255, 0.1); }
  .hamburger-menu.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .hamburger-menu.active .bar:nth-child(2) { opacity: 0; }
  .hamburger-menu.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .main-nav {
    display: none; /* Hidden by default */
    position: fixed; top: var(--header-offset); left: 0; width: 70%; height: calc(100% - var(--header-offset));
    background-color: #17191F; flex-direction: column; justify-content: flex-start; align-items: flex-start;
    padding: 20px 0; box-shadow: 4px 0 12px rgba(0, 0, 0, 0.3); transform: translateX(-100%); transition: transform 0.3s ease;
    overflow-y: auto; z-index: 1000;
  }
  .main-nav.active { display: flex; transform: translateX(0); }
  .nav-container { flex-direction: column; align-items: flex-start; padding: 0 20px; width: 100%; max-width: none; gap: 15px; }
  .nav-link { width: 100%; padding: 10px 0; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
  .nav-link::after { bottom: 0; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-mid-row-grid { grid-template-columns: 1fr; }

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

@media (min-width: 769px) {
  .hamburger-menu { display: none; }
  .overlay { display: none; }
}
/* 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;
  }
}