:root {
    --bo-bg: #f4f5f5;
    --bo-surface: #ffffff;
    --bo-border: #e4e4e7;
    --bo-accent: #ea580c;
    --bo-text-main: #1c1917;
    --bo-text-sub: #78716c;
    --bo-radius: 20px;
    --bo-radius-sm: 12px;
}
body { margin: 0; background: var(--bo-bg); color: var(--bo-text-main); font-family: 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif; -webkit-font-smoothing: antialiased; }
.bo-header { background: var(--bo-surface); border-bottom: 1px solid var(--bo-border); padding: 15px 0; }
.bo-nav-wrapper { max-width: 1440px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; box-sizing: border-box; }
.bo-logo img { height: 28px; }
.bo-menu { display: flex; gap: 32px; align-items: center; }
.bo-menu a { text-decoration: none; color: var(--bo-text-main); font-weight: 600; font-size: 14px; transition: 0.2s; padding: 8px 16px; border-radius: 30px; }
.bo-menu a:hover { background: #fef08a; color: var(--bo-accent); }
.bo-container { max-width: 1440px; margin: 30px auto; padding: 0 24px; box-sizing: border-box; }
.bo-bento-notice { background: var(--bo-surface); border-radius: var(--bo-radius); padding: 20px 24px; border: 1px solid var(--bo-border); margin-bottom: 30px; display: flex; align-items: center; gap: 15px; font-size: 14px; font-weight: 500; }
.bo-bento-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 16px; margin-bottom: 60px; }
.bo-card { background: var(--bo-surface); border-radius: var(--bo-radius); border: 1px solid var(--bo-border); text-decoration: none; display: flex; flex-direction: column; overflow: hidden; transition: 0.3s; }
.bo-card:hover { transform: translateY(-4px); box-shadow: 0 12px 24px rgba(0,0,0,0.06); border-color: var(--bo-accent); }
.bo-img-wrap { width: 100%; aspect-ratio: 1; background: #f9fafb; display: flex; align-items: center; justify-content: center; position: relative; border-bottom: 1px solid var(--bo-border); }
.bo-img-wrap img { width: 65%; height: 65%; object-fit: contain; }
.bo-card-info { padding: 16px; display: flex; flex-direction: column; flex: 1; }
.bo-name { font-size: 13px; font-weight: 700; color: var(--bo-text-main); height: 36px; line-height: 1.4; overflow: hidden; margin-bottom: 12px; }
.bo-meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; }
.bo-price { font-size: 16px; font-weight: 900; color: var(--bo-accent); }
.bo-sell { font-size: 11px; color: var(--bo-text-sub); background: #f4f5f5; padding: 4px 8px; border-radius: 6px; }
.bo-tag { position: absolute; top: 12px; left: 12px; background: var(--bo-accent); color: #fff; font-size: 10px; padding: 4px 8px; border-radius: 8px; font-weight: bold; }
.bo-detail-split { display: grid; grid-template-columns: 1fr 400px; gap: 24px; align-items: start; }
.bo-bento-box { background: var(--bo-surface); border-radius: var(--bo-radius); border: 1px solid var(--bo-border); padding: 32px; }
.bo-h1 { font-size: 26px; font-weight: 800; margin: 0 0 24px 0; color: var(--bo-text-main); }
.bo-desc-content { font-size: 14px; line-height: 1.8; color: var(--bo-text-sub); }
.bo-input-row { margin-bottom: 20px; }
.bo-label { display: block; font-size: 12px; font-weight: 700; color: var(--bo-text-main); margin-bottom: 8px; }
.bo-input { width: 100%; height: 48px; background: #f4f5f5; border: 1px solid var(--bo-border); border-radius: var(--bo-radius-sm); padding: 0 16px; font-size: 14px; font-weight: 500; box-sizing: border-box; outline: none; transition: 0.2s; color: var(--bo-text-main); }
.bo-input:focus { border-color: var(--bo-accent); background: #fff; box-shadow: 0 0 0 4px rgba(234, 88, 12, 0.1); }
.bo-btn { width: 100%; height: 56px; background: var(--bo-text-main); color: #fff; border: none; font-size: 16px; font-weight: 800; border-radius: var(--bo-radius-sm); cursor: pointer; transition: 0.3s; }
.bo-btn:hover { background: var(--bo-accent); transform: translateY(-2px); }
.bo-footer { text-align: center; padding: 40px 0; margin-top: 60px; font-size: 13px; color: var(--bo-text-sub); border-top: 1px solid var(--bo-border); }
@media (max-width: 1400px) { .bo-bento-grid { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 960px) { .bo-bento-grid { grid-template-columns: repeat(3, 1fr); } .bo-detail-split { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .bo-bento-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; } .bo-bento-box { padding: 20px; } }