html { scroll-behavior: smooth; }
:root { --header-offset: 122px; }
body { padding-top: var(--header-offset); overflow-x: hidden; margin: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }

/* 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); }
.header-top { box-sizing: border-box; min-height: 68px; height: 68px; display: flex; align-items: center; overflow: hidden; background-color: #D96800; 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 20px; }
.logo { font-size: 28px; font-weight: bold; color: #FFF3E6; text-decoration: none; display: flex; align-items: center; height: 100%; 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; }
.btn { background: linear-gradient(180deg, #FFA53A 0%, #D96800 100%); color: #FFF3E6; padding: 10px 20px; border-radius: 5px; text-decoration: none; font-weight: bold; font-size: 15px; display: inline-flex; align-items: center; justify-content: center; border: none; cursor: pointer; white-space: nowrap; transition: background-color 0.3s ease; }
.btn:hover { opacity: 0.9; }
.btn-secondary { background-color: #FFA53A; color: #0D0E12; }
.btn-secondary:hover { background-color: #FFB04D; }

.hamburger-menu { display: none; flex-direction: column; justify-content: space-around; width: 30px; height: 25px; background: transparent; border: none; cursor: pointer; padding: 0; z-index: 1001; position: relative; }
.hamburger-menu span { display: block; width: 100%; height: 3px; background-color: #FFF3E6; border-radius: 3px; transition: all 0.3s ease; }
.hamburger-menu.active span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.hamburger-menu.active span:nth-child(2) { opacity: 0; }
.hamburger-menu.active span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

.main-nav { box-sizing: border-box; min-height: 52px; height: 52px; background-color: #FF8C1A; display: flex; align-items: center; width: 100%; overflow: hidden; }
.nav-container { box-sizing: border-box; width: 100%; max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; height: 100%; padding: 0 20px; }
.nav-link { color: #FFF3E6; text-decoration: none; padding: 10px 15px; font-weight: 500; white-space: nowrap; transition: background-color 0.3s ease; }
.nav-link:hover { background-color: rgba(255,255,255,0.1); border-radius: 4px; }

.mobile-nav-buttons { display: none; }

.overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.5); z-index: 999; }
.overlay.active { display: block; }

/* Footer styles */
.site-footer { background-color: #0D0E12; color: #FFF3E6; padding: 40px 20px 20px; font-size: 14px; line-height: 1.6; }
.site-footer a { color: #FFF3E6; text-decoration: none; transition: color 0.3s ease; }
.site-footer a:hover { color: #FFA53A; }

.footer-top-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1200px; margin: 0 auto 30px; }
.footer-col h3 { color: #FFA3A; font-size: 16px; margin-bottom: 15px; font-weight: bold; }
.footer-logo { font-size: 24px; font-weight: bold; color: #FFF3E6; text-decoration: none; margin-bottom: 15px; display: block; }
.footer-description { line-height: 1.6; color: rgba(255,243,230,0.8); word-wrap: break-word; overflow-wrap: break-word; }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 8px; }
.footer-slot-anchor-inner { display: flex; flex-wrap: wrap; flex-direction: row; align-items: flex-start; gap: 5px; margin-top: 15px; }
.footer-dynamic-col .footer-slot-anchor-inner { display: flex; flex-wrap: wrap; flex-direction: row; align-items: flex-start; gap: 5px; }
.footer-dynamic-row { width: 100%; margin: 20px auto; max-width: 1200px; }
.footer-dynamic-row .footer-slot-anchor-inner { display: flex; flex-wrap: wrap; flex-direction: row; align-items: flex-start; gap: 8px; width: 100%; }
.footer-bottom { border-top: 1px solid #17191F; padding-top: 20px; text-align: center; font-size: 13px; color: rgba(255,243,230,0.6); margin-top: 30px; max-width: 1200px; margin-left: auto; margin-right: auto; }

/* Responsive styles */
@media (max-width: 768px) {
  :root { --header-offset: 110px; }
  body { padding-top: var(--header-offset); overflow-x: hidden; }

  .site-header { box-shadow: 0 2px 5px rgba(0,0,0,0.2); }
  .header-top { min-height: 60px !important; height: 60px !important; justify-content: space-between; position: relative; }
  .header-container { width: 100%; max-width: none; padding: 0 15px; }
  .logo {
    flex: 1 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    max-width: calc(100% - 100px); /* Allow space for hamburger */
  }
  .logo img { max-height: 56px !important; }

  .desktop-nav-buttons { display: none; }
  .hamburger-menu { display: flex; position: relative; z-index: 1002; margin-left: 0; }

  .main-nav { display: none; position: fixed; top: var(--header-offset); left: 0; width: 280px; height: calc(100vh - var(--header-offset)); background-color: #17191F; flex-direction: column; padding: 20px; box-shadow: 2px 0 5px rgba(0,0,0,0.3); transform: translateX(-100%); transition: transform 0.3s ease; z-index: 1001; overflow-y: auto; }
  .main-nav.active { display: flex; transform: translateX(0); }
  .nav-container { width: 100%; max-width: none; padding: 0; flex-direction: column; align-items: flex-start; }
  .nav-link { width: 100%; padding: 12px 15px; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .nav-link:last-child { border-bottom: none; }

  .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;
    background-color: #0D0E12;
    justify-content: center;
  }
  .mobile-nav-buttons .btn {
    flex: 1; min-width: 0;
    max-width: calc(50% - 5px); /* 50% width minus half of the gap */
    box-sizing: border-box;
    padding: 8px 12px;
    font-size: 13px;
    white-space: normal;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

  .overlay.active { display: block; }

  .footer-top-grid { grid-template-columns: 1fr; }
  .footer-col { margin-bottom: 25px; }
  .footer-col:last-child { margin-bottom: 0; }
  .footer-dynamic-row { padding: 0 15px; }
  .footer-bottom { padding: 20px 15px 0; }

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