:root {
    --br-bg: #1b1311;
    --br-surface: #2a1e1b;
    --br-border: #b45309;
    --br-accent: #f59e0b;
    --br-text-main: #fef3c7;
    --br-text-sub: #d97706;
    --br-shadow: 0 0 10px rgba(0,0,0,0.5);
    --br-radius: 4px;
}
body { margin: 0; background: var(--br-bg); color: var(--br-text-main); font-family: "Georgia", "STSong", "Songti SC", serif; -webkit-font-smoothing: antialiased; }
.br-header { background: var(--br-surface); border-bottom: 3px solid var(--br-border); padding: 18px 0; box-shadow: var(--br-shadow); }
.br-nav-inner { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; box-sizing: border-box; }
.br-logo img { height: 26px; filter: sepia(1) saturate(5) hue-rotate(-20deg) brightness(1.2); }
.br-menu { display: flex; gap: 35px; }
.br-menu a { text-decoration: none; color: var(--br-text-sub); font-weight: 700; font-size: 14px; transition: 0.3s; }
.br-menu a:hover { color: var(--br-accent); text-shadow: 0 0 5px var(--br-accent); }
.br-container { max-width: 1400px; margin: 40px auto; padding: 0 24px; box-sizing: border-box; }
.br-notice { background: var(--br-surface); border-radius: var(--br-radius); border: 2px solid var(--br-border); padding: 18px 24px; box-shadow: var(--br-shadow); font-size: 13px; color: var(--br-text-main); line-height: 1.6; display: flex; align-items: center; gap: 12px; position: relative; }
.br-notice::before, .br-notice::after { content: "•"; position: absolute; font-size: 12px; color: var(--br-border); }
.br-notice::before { top: 5px; left: 5px; }
.br-notice::after { bottom: 5px; right: 5px; }
.br-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 16px; }
.br-card { background-color: var(--br-surface); border: 1px solid var(--br-border); border-radius: var(--br-radius); padding: 15px; text-decoration: none; transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1); box-shadow: var(--br-shadow); display: flex; flex-direction: column; position: relative; }
.br-card::before, .br-card::after { content: "•"; position: absolute; font-size: 10px; color: var(--br-border); }
.br-card::before { top: 3px; left: 4px; }
.br-card::after { bottom: 3px; right: 4px; }
.br-card:hover { transform: translateY(-4px); border-color: var(--br-accent); box-shadow: 0 0 15px rgba(245,158,11,0.25); }
.br-img-box { width: 100%; aspect-ratio: 1; background: #130a08; border: 1px solid var(--br-border); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; box-shadow: inset 0 0 8px #000; }
.br-img-box img { width: 60%; height: 60%; object-fit: contain; filter: sepia(0.8) contrast(1.1) brightness(0.9); transition: 0.3s; }
.br-card:hover .br-img-box img { filter: sepia(0.2) contrast(1.2) brightness(1.1); transform: scale(1.04); }
.br-name { font-size: 13px; font-weight: 700; color: var(--br-text-main); height: 38px; line-height: 1.4; overflow: hidden; margin-bottom: 12px; font-family: "PingFang SC", sans-serif; }
.br-meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; border-top: 1px solid var(--br-border); padding-top: 10px; }
.br-price { color: var(--br-accent); font-weight: 800; font-size: 16px; text-shadow: 0 0 4px rgba(245,158,11,0.3); }
.br-sell { font-size: 11px; color: var(--br-text-sub); }
.br-tag { position: absolute; top: 12px; left: 12px; background: var(--br-border); color: var(--br-surface); font-size: 9px; padding: 2px 6px; border-radius: 2px; font-weight: bold; border: 1px solid var(--br-accent); }
.br-detail-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; }
.br-box { background: var(--br-surface); border-radius: 4px; padding: 35px; border: 1px solid var(--br-border); box-shadow: var(--br-shadow); position: relative; }
.br-box::after { content: "[GEAR_VALVE_01]"; position: absolute; bottom: 5px; right: 8px; color: var(--br-text-sub); font-size: 8px; font-family: monospace; }
.br-h1 { font-size: 24px; font-weight: 800; margin: 0 0 20px 0; color: var(--br-text-main); font-family: "PingFang SC", sans-serif; }
.br-input { width: 100%; height: 46px; background: #130a08; border: 1px solid var(--br-border); border-radius: 4px; padding: 0 15px; font-size: 14px; box-sizing: border-box; outline: none; transition: 0.3s; margin-top: 8px; color: var(--br-text-main); font-family: "PingFang SC", sans-serif; }
.br-input:focus { border-color: var(--br-accent); box-shadow: 0 0 10px rgba(245,158,11,0.2); }
.br-label { display: block; font-size: 12px; font-weight: 700; color: var(--br-text-sub); font-family: "PingFang SC", sans-serif; }
.br-btn { width: 100%; height: 50px; background: var(--br-border); color: var(--br-text-main); border: 1px solid var(--br-accent); border-radius: 4px; font-size: 15px; font-weight: 700; cursor: pointer; transition: 0.3s; margin-top: 20px; font-family: "PingFang SC", sans-serif; text-shadow: 0 0 2px var(--br-text-main); }
.br-btn:hover { background: var(--br-accent); color: #000; text-shadow: none; box-shadow: 0 0 15px var(--br-accent); }
.br-footer { background: var(--br-surface); border-top: 3px solid var(--br-border); padding: 50px 0; margin-top: 80px; text-align: center; }
@media (max-width: 1400px) { .br-grid { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 1000px) { .br-grid { grid-template-columns: repeat(3, 1fr); } .br-detail-grid { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .br-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } }