:root { --primary-color: #26A9E0; --secondary-color: #FFFFFF; --login-button-color: #EA7C07; --text-color: #000000; --header-offset: 110px; /* Desktop: header-top (60px) + main-nav (50px) */ }
@media (max-width: 768px) { :root { --header-offset: 105px; /* Mobile: header-top (60px) + mobile-nav-buttons (45px) */ } }

body { font-family: Arial, sans-serif; margin: 0; padding-top: var(--header-offset); color: var(--text-color); overflow-x: hidden; }

.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; background-color: var(--secondary-color); box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1); display: flex; flex-direction: column; min-height: var(--header-offset); }

.header-top { background-color: var(--primary-color); width: 100%; padding: 10px 0; display: flex; align-items: center; }
.header-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; width: 100%; padding: 0 20px; }

.logo { color: var(--secondary-color); font-size: 24px; font-weight: bold; text-decoration: none; padding: 5px 0; white-space: nowrap; }

.desktop-nav-buttons { display: flex; gap: 10px; }
.btn { display: inline-block; padding: 10px 15px; border-radius: 5px; text-decoration: none; font-weight: bold; transition: background-color 0.3s ease; white-space: nowrap; cursor: pointer; text-align: center; }
.btn-login { background-color: var(--login-button-color); color: var(--secondary-color); border: 1px solid var(--login-button-color); }
.btn-login:hover { background-color: darken(var(--login-button-color), 10%); border-color: darken(var(--login-button-color), 10%); }
.btn-register { background-color: var(--secondary-color); color: var(--primary-color); border: 1px solid var(--primary-color); }
.btn-register:hover { background-color: var(--primary-color); color: var(--secondary-color); }

.main-nav { background-color: var(--secondary-color); width: 100%; display: flex; border-top: 1px solid rgba(0, 0, 0, 0.05); }
.nav-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: row; justify-content: center; align-items: center; padding: 10px 20px; width: 100%; }
.nav-link { color: var(--text-color); text-decoration: none; padding: 8px 15px; font-weight: bold; transition: color 0.3s ease, background-color 0.3s ease; white-space: nowrap; }
.nav-link:hover { color: var(--primary-color); background-color: rgba(var(--primary-color), 0.1); border-radius: 4px; }

.hamburger-menu, .mobile-nav-buttons, .mobile-menu-overlay { display: none; }

.site-footer { background-color: #333333; color: var(--secondary-color); padding: 40px 20px; text-align: center; font-size: 14px; line-height: 1.6; }
.footer-container { display: flex; flex-wrap: wrap; justify-content: space-around; max-width: 1200px; margin: 0 auto 30px auto; text-align: left; }
.footer-col { flex: 1; min-width: 250px; margin: 15px; }
.footer-logo { color: var(--secondary-color); font-size: 22px; font-weight: bold; text-decoration: none; display: block; margin-bottom: 15px; }
.footer-title { font-size: 18px; color: var(--primary-color); margin-bottom: 15px; }
.site-footer p { margin: 0 0 10px 0; }
.site-footer a { color: var(--secondary-color); text-decoration: none; transition: color 0.3s ease; }
.site-footer a:hover { color: var(--primary-color); }
.footer-nav { list-style: none; padding: 0; margin: 0; }
.footer-nav li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 20px; margin-top: 20px; text-align: center; }

@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; }

  .header-container { padding: 0 15px; max-width: none; width: 100%; position: relative; min-height: 60px; }
  .header-top { padding: 0; height: 60px; }
  .logo { flex: 1 !important; display: flex !important; justify-content: center !important; align-items: center !important; font-size: 20px; }

  .desktop-nav-buttons { display: none; }
  .mobile-nav-buttons { display: flex !important; width: 100%; max-width: 100%; box-sizing: border-box; padding: 10px 15px; overflow: hidden; gap: 10px; flex-wrap: nowrap; background-color: var(--secondary-color); border-top: 1px solid rgba(0,0,0,0.05); }
  .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: space-around; width: 30px; height: 25px; cursor: pointer; position: absolute; left: 15px; z-index: 1001; background: none; border: none; padding: 0; }
  .hamburger-menu .bar { width: 100%; height: 3px; background-color: var(--secondary-color); transition: all 0.3s ease-in-out; border-radius: 2px; }
  .hamburger-menu.active .bar:nth-child(1) { transform: translateY(11px) rotate(45deg); }
  .hamburger-menu.active .bar:nth-child(2) { opacity: 0; }
  .hamburger-menu.active .bar:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

  .main-nav { display: none; position: fixed; top: var(--header-offset); left: 0; width: 80%; max-width: 300px; height: calc(100% - var(--header-offset)); background-color: var(--primary-color); flex-direction: column; padding: 20px 0; box-shadow: 2px 0 5px rgba(0, 0, 0, 0.2); transform: translateX(-100%); transition: transform 0.3s ease; overflow-y: auto; z-index: 999; }
  .main-nav.active { display: flex; transform: translateX(0); }
  .nav-container { flex-direction: column; padding: 0; width: 100%; max-width: none; align-items: flex-start; }
  .nav-link { color: var(--secondary-color); padding: 12px 20px; width: 100%; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
  .nav-link:hover { background-color: rgba(255, 255, 255, 0.1); color: var(--secondary-color); border-radius: 0; }

  .mobile-menu-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.5); z-index: 998; }
  .mobile-menu-overlay.active { display: block; }

  .footer-container { flex-direction: column; }
  .footer-col { margin: 15px 0; text-align: center; }
  .footer-logo { margin: 0 auto 15px auto; }
}
/* Payment Methods 图标容器样式 */
.payment-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 5px;
}

.payment-icons img,
.payment-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}

/* Game Providers 图标容器样式 */
.game-providers-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.game-providers-icons img,
.game-provider-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}

/* Social Media 图标容器样式 */
.social-media-icons {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.social-media-icons img,
.social-media-icon {
  max-height: 50px;
  height: auto;
  width: auto;
  display: block;
}
/* 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;
  }
}