:root {
    --bsm-gold: #b3874c;
    --bsm-gold-dark: #9b6f38;
    --bsm-gold-light: #fdfbf7;
    --bsm-dark: #1a1816;
    --bsm-dark-deep: #110f0d;
    --bsm-border: #ece5db;
    --bsm-gray-bg: #faf7f2;
    --bsm-text: #2b2621;
    --bsm-text-muted: #8c8278;
    --bsm-white: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background-color: #fcfbfa;
    color: var(--bsm-text);
    font-family: "Didot", "Playfair Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, serif;
    font-size: 13px;
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; transition: all 0.2s ease; }
a:hover { color: var(--bsm-gold); }

.bsm-container { max-width: 1220px; margin: 0 auto; padding: 0 15px; }

.bsm-header {
    background: var(--bsm-white);
    border-bottom: 1px solid var(--bsm-border);
}
.bsm-header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 0;
}
.bsm-logo img { height: 36px; max-width: 180px; object-fit: contain; }

.bsm-search-box {
    display: flex;
    align-items: center;
    border: 1px solid var(--bsm-border);
    border-radius: 0;
    padding: 4px 15px;
    background: var(--bsm-gold-light);
    width: 300px;
}
.bsm-search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 12px;
    width: 100%;
    color: #333;
}

.bsm-nav-bar {
    background: var(--bsm-white);
    border-top: 1px solid #f6efe6;
    border-bottom: 1px solid var(--bsm-border);
}
.bsm-nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    justify-content: center;
    overflow-x: auto;
    white-space: nowrap;
}
.bsm-nav-list li a {
    display: block;
    padding: 12px 24px;
    color: var(--bsm-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}
.bsm-nav-list li a:hover, .bsm-nav-list li.active a {
    color: var(--bsm-gold);
}

.bsm-notice-bar {
    background: var(--bsm-gold-light);
    border-bottom: 1px solid #f5ede1;
    padding: 10px 0;
    color: var(--bsm-gold-dark);
    font-size: 12px;
    text-align: center;
    letter-spacing: 0.5px;
}

.bsm-sec-title {
    text-align: center;
    margin: 45px 0 25px;
}
.bsm-sec-title h2 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--bsm-dark);
}
.bsm-sec-title p {
    font-size: 12px;
    color: var(--bsm-text-muted);
    margin-top: 4px;
}

.bsm-hero-duos {
    margin: 25px 0 35px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.bsm-hero-card {
    background: var(--bsm-white);
    border: 1px solid var(--bsm-border);
    padding: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    border-top: 3px solid var(--bsm-gold);
}
.bsm-hero-info { flex: 1; padding-right: 15px; }
.bsm-hero-badge {
    display: inline-block;
    background: var(--bsm-gold-light);
    border: 1px solid var(--bsm-border);
    color: var(--bsm-gold-dark);
    font-size: 10px;
    padding: 2px 8px;
    margin-bottom: 8px;
    font-weight: 700;
    letter-spacing: 1px;
}
.bsm-hero-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--bsm-dark);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.bsm-hero-price { font-size: 20px; font-weight: 800; color: var(--bsm-gold); }
.bsm-hero-img {
    width: 85px;
    height: 85px;
    object-fit: contain;
    background: var(--bsm-gray-bg);
    padding: 6px;
}

.bsm-pillar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}
.bsm-pillar-card {
    background: var(--bsm-white);
    border: 1px solid var(--bsm-border);
    padding: 20px;
}
.bsm-pillar-head {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 15px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--bsm-border);
    display: flex;
    justify-content: space-between;
}
.bsm-pillar-item {
    display: flex;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dashed var(--bsm-border);
}
.bsm-pillar-item:last-child { border-bottom: none; }
.bsm-pillar-item img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    margin-right: 12px;
    background: var(--bsm-gray-bg);
    padding: 3px;
}
.bsm-pillar-name {
    flex: 1;
    font-size: 12px;
    color: var(--bsm-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bsm-pillar-price { font-weight: 800; color: var(--bsm-gold); margin-left: 8px; }

.bsm-duo-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}
.bsm-duo-card {
    background: var(--bsm-white);
    border: 1px solid var(--bsm-border);
    padding: 20px;
    display: flex;
    align-items: center;
}
.bsm-duo-card img {
    width: 75px;
    height: 75px;
    object-fit: contain;
    margin-right: 20px;
    background: var(--bsm-gray-bg);
    padding: 6px;
}
.bsm-duo-info { flex: 1; overflow: hidden; }
.bsm-duo-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--bsm-dark);
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.bsm-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 40px;
}
.bsm-card-4 {
    background: var(--bsm-white);
    border: 1px solid var(--bsm-border);
    padding: 15px;
    text-align: center;
    position: relative;
}
.bsm-card-4:hover {
    box-shadow: 0 6px 16px rgba(179,135,76,0.1);
    border-color: var(--bsm-gold);
}
.bsm-card-thumb {
    width: 100%;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
}
.bsm-card-thumb img {
    max-width: 80px;
    max-height: 80px;
    object-fit: contain;
}
.bsm-card-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--bsm-dark);
    height: 34px;
    overflow: hidden;
    margin-bottom: 6px;
}
.bsm-card-price {
    font-size: 14px;
    font-weight: 700;
    color: var(--bsm-gold-dark);
    margin-bottom: 8px;
}
.bsm-card-btn {
    display: block;
    border: 1px solid var(--bsm-border);
    background: var(--bsm-gold-light);
    color: var(--bsm-dark);
    font-size: 11px;
    font-weight: 700;
    padding: 4px 0;
}
.bsm-card-btn:hover {
    background: var(--bsm-gold);
    color: #fff;
    border-color: var(--bsm-gold);
}

.bsm-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}
.bsm-news-card {
    background: var(--bsm-white);
    border: 1px solid var(--bsm-border);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.bsm-news-thumb {
    width: 100%;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bsm-gray-bg);
    padding: 10px;
}
.bsm-news-thumb img {
    max-width: 75px;
    max-height: 75px;
    object-fit: contain;
}
.bsm-news-body { padding: 15px; }
.bsm-news-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--bsm-dark);
    height: 36px;
    overflow: hidden;
    margin-bottom: 8px;
}
.bsm-news-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 8px;
    border-top: 1px solid var(--bsm-border);
}

.bsm-service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 35px;
}
.bsm-service-card {
    background: var(--bsm-white);
    border: 1px solid var(--bsm-border);
    padding: 20px 15px;
    text-align: center;
}
.bsm-service-card img {
    width: 45px;
    height: 45px;
    object-fit: contain;
    margin: 0 auto 10px;
}

.bsm-catalog-box {
    background: var(--bsm-white);
    border: 1px solid var(--bsm-border);
    padding: 20px;
    margin-bottom: 50px;
}
.bsm-catalog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.bsm-catalog-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bsm-gray-bg);
    border: 1px solid var(--bsm-border);
}
.bsm-catalog-item:hover { border-color: var(--bsm-gold); }
.bsm-catalog-left { display: flex; align-items: center; flex: 1; overflow: hidden; }
.bsm-catalog-left img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    margin-right: 10px;
    background: #fff;
    padding: 2px;
}
.bsm-catalog-title {
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bsm-catalog-right {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 10px;
}

.bsm-panel-wrap {
    max-width: 980px;
    margin: 40px auto 60px;
    background: var(--bsm-white);
    border: 1px solid var(--bsm-border);
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}
.bsm-detail-layout {
    display: flex;
    flex-wrap: wrap;
    padding: 35px;
    gap: 35px;
}
.bsm-detail-media {
    flex: 0 0 340px;
    text-align: center;
    border-right: 1px solid var(--bsm-border);
    padding-right: 35px;
}
.bsm-detail-media img {
    max-width: 240px;
    max-height: 240px;
    object-fit: contain;
}
.bsm-detail-form { flex: 1; min-width: 300px; }
.bsm-detail-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--bsm-dark);
    margin-bottom: 12px;
}
.bsm-price-badge-box {
    background: var(--bsm-gold-light);
    border: 1px solid #f2e7d7;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}
.bsm-price-lg { font-size: 26px; font-weight: 800; color: var(--bsm-gold-dark); }

.bsm-form-group { margin-bottom: 18px; }
.bsm-form-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--bsm-dark);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
}
.bsm-form-control {
    width: 100%;
    height: 40px;
    border: 1px solid #ddd;
    padding: 0 12px;
    font-size: 13px;
    outline: none;
}
.bsm-form-control:focus { border-color: var(--bsm-gold); }
.bsm-btn-submit {
    width: 100%;
    height: 44px;
    background: var(--bsm-dark);
    color: var(--bsm-white);
    font-size: 14px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    letter-spacing: 1px;
    transition: background 0.2s ease;
}
.bsm-btn-submit:hover { background: var(--bsm-gold-dark); }

.bsm-tabs-head {
    display: flex;
    background: var(--bsm-gray-bg);
    border-bottom: 1px solid var(--bsm-border);
}
.bsm-tab-btn {
    flex: 1;
    text-align: center;
    padding: 14px 0;
    font-weight: 700;
    color: #666;
    border-right: 1px solid var(--bsm-border);
    letter-spacing: 1px;
}
.bsm-tab-btn:last-child { border-right: none; }
.bsm-tab-btn.active {
    background: var(--bsm-white);
    color: var(--bsm-gold-dark);
    border-top: 3px solid var(--bsm-gold);
}

.bsm-footer {
    background: var(--bsm-dark-deep);
    color: #a69b91;
    padding: 35px 0 25px;
    text-align: center;
    font-size: 12px;
    border-top: 2px solid var(--bsm-gold);
}
.bsm-footer-nav { margin-bottom: 12px; }
.bsm-footer-nav a { color: #dcd3ca; margin: 0 12px; letter-spacing: 1px; }
.bsm-footer-nav a:hover { color: var(--bsm-gold); }
.bsm-copyright { color: #6a6158; font-size: 11px; }

@media (max-width: 1024px) {
    .bsm-pillar-grid, .bsm-grid-4, .bsm-service-grid, .bsm-news-grid { grid-template-columns: repeat(2, 1fr); }
    .bsm-catalog-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .bsm-hero-duos, .bsm-duo-grid, .bsm-pillar-grid, .bsm-grid-4, .bsm-service-grid, .bsm-news-grid { grid-template-columns: 1fr; }
    .bsm-detail-layout { flex-direction: column; }
    .bsm-detail-media { border-right: none; border-bottom: 1px solid var(--bsm-border); padding-right: 0; padding-bottom: 25px; }
}