* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", "Microsoft YaHei", sans-serif; background: #f8f5f0; color: #333; }
.top-banner { background: #5c4033; color: rgba(255,255,255,0.9); padding: 6px; font-size: 0.85em; text-align: center; }
.masthead { background: #fff; padding: 15px 20px; box-shadow: 0 2px 10px rgba(0,0,0,0.06); }
.masthead-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.logo-block { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-size: 1.8em; }
.logo-title { font-size: 1.4em; color: #5c4033; font-weight: bold; }
.logo-sub { font-size: 0.75em; color: #999; }
.header-info { display: flex; gap: 15px; font-size: 0.85em; color: #888; }
.main-nav { background: #5c4033; }
.nav-inner { max-width: 1100px; margin: 0 auto; display: flex; }
.nav-inner a { color: rgba(255,255,255,0.85); text-decoration: none; padding: 14px 22px; font-size: 0.95em; transition: background 0.3s; }
.nav-inner a:hover, .nav-inner a.active { background: rgba(255,255,255,0.1); color: #fff; }
.jumbotron { background: linear-gradient(135deg, #5c4033, #7a5c45); display: flex; align-items: center; padding: 80px 20px; max-width: 1100px; margin: 0 auto; gap: 40px; }
.jumbotron-content { flex: 1; }
.jumbotron h1 { font-size: 2.5em; color: #fff; margin-bottom: 12px; }
.jumbotron p { font-size: 1.05em; color: rgba(255,255,255,0.85); margin-bottom: 25px; }
.jumbotron-btns { display: flex; gap: 12px; }
.btn1 { background: #fff; color: #5c4033; padding: 12px 26px; border-radius: 25px; text-decoration: none; font-weight: bold; }
.btn2 { background: rgba(255,255,255,0.15); color: #fff; padding: 12px 26px; border-radius: 25px; text-decoration: none; border: 1px solid rgba(255,255,255,0.4); }
.jumbotron-img { font-size: 5em; }
.page-main { max-width: 1100px; margin: 0 auto; padding: 50px 20px; }
.section-h2 { text-align: center; font-size: 1.8em; color: #5c4033; margin-bottom: 35px; }
.goods-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-bottom: 50px; }
.goods-card { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 3px 15px rgba(92,64,51,0.1); }
.goods-top { height: 160px; background: linear-gradient(135deg, #7a5c45, #5c4033); display: flex; align-items: center; justify-content: center; font-size: 2.5em; color: rgba(255,255,255,0.6); }
.g1 { background: linear-gradient(135deg, #5c4033, #8b6b5a); }
.g2 { background: linear-gradient(135deg, #7a5c45, #a08070); }
.g3 { background: linear-gradient(135deg, #5c4033, #6d5040); }
.g4 { background: linear-gradient(135deg, #8b6b5a, #a08070); }
.goods-info { padding: 20px; }
.goods-info h3 { color: #5c4033; margin-bottom: 6px; }
.goods-info p { color: #999; font-size: 0.9em; margin-bottom: 10px; }
.price-tag { color: #c0392b; font-weight: bold; font-size: 1.05em; }
.knowledge-list { display: grid; gap: 15px; }
.knowledge-item { background: #fff; border-radius: 10px; padding: 22px; display: flex; gap: 15px; align-items: center; border-left: 3px solid #5c4033; }
.k-icon { font-size: 1.8em; flex-shrink: 0; }
.knowledge-item h3 { color: #5c4033; font-size: 1em; margin-bottom: 5px; }
.knowledge-item p { color: #888; font-size: 0.9em; }
.site-footer { background: #5c4033; color: rgba(255,255,255,0.7); text-align: center; padding: 35px 20px; }
.footer-wrap p { font-size: 0.9em; margin-bottom: 5px; }
.footer-wrap p:last-child { font-size: 0.8em; color: rgba(255,255,255,0.4); margin-top: 10px; }
@media (max-width: 768px) { .jumbotron { flex-direction: column; text-align: center; } .header-info { display: none; } }