body { background: #faf9f9; font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; color: #333; margin: 0; padding: 0; box-sizing: border-box; overflow-x: hidden; }
* { box-sizing: inherit; }
.fortress-header { position: relative; z-index: 10001; height: 60px; background-color: #ffffff !important; border-bottom: 3px solid #a61c14; box-shadow: 0 4px 12px rgba(166,28,20,0.1); }
.fortress-container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 15px; position: relative; }
.fortress-logo { float: left; padding: 8px 0; margin-right: 25px; }
.fortress-logo img { height: 44px; display: block; max-width: 100%; object-fit: contain; }
.fortress-nav { float: left !important; background: none !important; margin: 0; padding: 0; list-style: none; }
.fortress-nav-item { display: inline-block; line-height: 60px; position: relative; }
.fortress-nav-item a { display: block; padding: 0 18px; color: #333333 !important; text-decoration: none; font-size: 15px; font-weight: bold; transition: all 0.25s; }
.fortress-nav-item a:hover { color: #a61c14 !important; background-color: #f5f5f5; }
.fortress-nav-user { float: right !important; background: none !important; margin: 0; padding: 0; list-style: none; }
.fortress-nav-user .fortress-nav-item a { font-weight: normal; color: #666 !important; }
.fortress-main-menu-mobile { display: none; position: absolute; top: 60px; left: 0; width: 100%; background: #ffffff; box-shadow: 0 10px 20px rgba(0,0,0,0.1); z-index: 9999; border-bottom: 2px solid #a61c14; }
.fortress-main-menu-mobile ul { list-style: none; padding: 0; margin: 0; }
.fortress-main-menu-mobile li a { display: block; padding: 14px 20px; border-bottom: 1px solid #f0f0f0; color: #333 !important; text-decoration: none; font-weight: bold; }
.fortress-main-wrap { width: 100%; max-width: 1200px; margin: 25px auto 30px auto; padding: 0 15px; }
.fortress-box { background: #ffffff; border-radius: 4px; margin-bottom: 25px; box-shadow: 0 2px 8px rgba(0,0,0,0.02); border: 1px solid #e1e8ed; overflow: hidden; }
.fortress-box-header { height: 44px; line-height: 44px; padding: 0 15px; border-bottom: 1px solid #e1e8ed; background: #ffffff; font-weight: bold; color: #a61c14; font-size: 15px; border-left: 4px solid #a61c14; }
.fortress-box-body { padding: 15px; }
.fortress-search-bar { width: 100%; max-width: 600px; margin: 0 auto; display: flex; align-items: center; border: 2px solid #a61c14; border-radius: 4px; overflow: hidden; }
.fortress-search-input { flex-grow: 1; border: none; padding: 10px 15px; font-size: 14px; outline: none; }
.fortress-search-btn { background: #a61c14; color: #ffffff; border: none; padding: 10px 25px; font-weight: bold; cursor: pointer; font-size: 14px; transition: background 0.2s; }
.fortress-search-btn:hover { background: #88120c; }
.fortress-split-layout { display: flex; justify-content: space-between; gap: 15px; }
.fortress-left-74 { width: 74%; }
.fortress-right-24 { width: 24%; }
@media (max-width: 992px) {
  .fortress-split-layout { flex-direction: column; }
  .fortress-left-74 { width: 100%; }
  .fortress-right-24 { width: 100%; margin-top: 20px; }
}
.fortress-grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.fortress-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 1200px) {
  .fortress-grid-5 { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 768px) {
  .fortress-grid-5 { grid-template-columns: repeat(2, 1fr); }
  .fortress-grid-3 { grid-template-columns: repeat(1, 1fr); }
}
.fortress-product-card { background: #ffffff; border: 1px solid #e1e8ed; border-radius: 4px; padding: 10px; display: flex; flex-direction: column; justify-content: space-between; transition: all 0.25s; position: relative; }
.fortress-product-card:hover { transform: translateY(-3px); box-shadow: 0 6px 16px rgba(166,28,20,0.08); border-color: #a61c14; }
.fortress-product-img-wrap { width: 100%; aspect-ratio: 1.33; border-radius: 3px; overflow: hidden; background: #fdfdfd; border: 1px solid #f1f4f8; margin-bottom: 8px; display: flex; align-items: center; justify-content: center; }
.fortress-product-img-wrap img { max-width: 100%; max-height: 100%; object-fit: contain; }
.fortress-product-title { font-size: 13px; font-weight: bold; color: #333; margin: 0 0 5px 0; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; line-height: 1.4; height: 36px; }
.fortress-product-meta { display: flex; justify-content: space-between; font-size: 11px; color: #888; margin-bottom: 6px; }
.fortress-product-footer { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.fortress-price { color: #ff5722; font-weight: bold; font-size: 14px; }
.fortress-btn-buy { background: linear-gradient(to right, #c7362c, #a61c14); color: #ffffff; border: none; padding: 4px 10px; font-size: 11px; font-weight: bold; border-radius: 3px; cursor: pointer; text-decoration: none; text-align: center; transition: all 0.2s; }
.fortress-btn-buy:hover { opacity: 0.95; transform: translateY(-1px); }
.fortress-btn-buy.disabled { background: #ccc; cursor: not-allowed; }
.fortress-tag-row { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px; background: #fafafa; border: 1px solid #eee; border-radius: 4px; margin-bottom: 25px; }
.fortress-tag-item { color: #666; text-decoration: none; font-size: 12px; font-weight: bold; transition: color 0.2s; }
.fortress-tag-item:hover { color: #a61c14; }
.fortress-sidebar-list { list-style: none; padding: 0; margin: 0; }
.fortress-sidebar-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px dashed #eee; font-size: 13px; }
.fortress-sidebar-item:last-child { border-bottom: none; }
.fortress-sidebar-item a { color: #444; text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 70%; transition: color 0.2s; }
.fortress-sidebar-item a:hover { color: #a61c14; }
.fortress-rank-badge { width: 18px; height: 18px; line-height: 18px; text-align: center; border-radius: 50%; font-size: 11px; font-weight: bold; color: #ffffff; display: inline-block; margin-right: 8px; flex-shrink: 0; }
.fortress-rank-red { background: #a61c14; }
.fortress-rank-gray { background: #999999; }
.fortress-tutorial-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
@media (max-width: 1200px) {
  .fortress-tutorial-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .fortress-tutorial-grid { grid-template-columns: repeat(2, 1fr); }
}
.fortress-tutorial-col { background: #ffffff; border-radius: 4px; border: 1px solid #eee; overflow: hidden; }
.fortress-tutorial-title { background: #fbfbfc; padding: 10px 15px; font-weight: bold; font-size: 13px; color: #a61c14; border-bottom: 1px solid #eee; }
.fortress-tutorial-list { list-style: none; padding: 10px 15px; margin: 0; }
.fortress-tutorial-item { padding: 6px 0; border-bottom: 1px dashed #f0f0f0; font-size: 12px; display: flex; justify-content: space-between; align-items: center; }
.fortress-tutorial-item:last-child { border-bottom: none; }
.fortress-tutorial-item a { color: #555; text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 75%; }
.fortress-tutorial-item a:hover { color: #a61c14; }
.fortress-tutorial-price { color: #ff5722; font-weight: bold; }
.fortress-footer { background: #1c1414; padding: 30px 0; text-align: center; margin-top: 40px; color: #999; border-top: 1px solid rgba(0,0,0,0.1); }
.fortress-footer p { margin: 5px 0; }
.fortress-footer-links a { color: #ccc; text-decoration: none; font-size: 14px; transition: color 0.2s; }
.fortress-footer-links a:hover { color: #a61c14; }
.fortress-footer-split { color: #2e1d1d; margin: 0 10px; }
.fortress-footer-copyright { font-size: 12px; margin-top: 10px; }