:root {
    --bwl-black: #0a0a0a;
    --bwl-dark: #1e1e1e;
    --bwl-dark-card: #252525;
    --bwl-gray-bg: #f6f6f6;
    --bwl-border: #e8e8e8;
    --bwl-text: #222222;
    --bwl-text-muted: #777777;
    --bwl-white: #ffffff;
    --bwl-gold: #f1c40f;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    background-color: #fdfdfd;
    color: var(--bwl-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-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: #000; }

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

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

.bwl-search-box {
    display: flex;
    align-items: center;
    border: 1px solid var(--bwl-border);
    border-radius: 20px;
    padding: 4px 15px;
    background: var(--bwl-gray-bg);
    width: 320px;
}
.bwl-search-box input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 12px;
    width: 100%;
    color: #000;
}

.bwl-nav-bar {
    background: var(--bwl-black);
    color: var(--bwl-white);
}
.bwl-nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    justify-content: center;
    overflow-x: auto;
    white-space: nowrap;
}
.bwl-nav-list li a {
    display: block;
    padding: 12px 22px;
    color: #ccc;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.bwl-nav-list li a:hover, .bwl-nav-list li.active a {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.bwl-notice-bar {
    background: #f8f8f8;
    border-bottom: 1px solid var(--bwl-border);
    padding: 10px 0;
    color: var(--bwl-dark);
    font-size: 12px;
    text-align: center;
}

.bwl-sec-title {
    text-align: center;
    margin: 45px 0 25px;
}
.bwl-sec-title h2 {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 1px;
    color: var(--bwl-black);
}
.bwl-sec-title p {
    font-size: 12px;
    color: var(--bwl-text-muted);
    margin-top: 4px;
}

.bwl-ribbon-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
    margin: 25px 0 40px;
}
.bwl-ribbon-card {
    background: var(--bwl-gray-bg);
    border: 1px solid var(--bwl-border);
    border-radius: 8px;
    padding: 15px 10px;
    text-align: center;
}
.bwl-ribbon-card:hover {
    background: #fff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}
.bwl-ribbon-card img {
    max-width: 65px;
    max-height: 65px;
    object-fit: contain;
    margin: 4px auto 8px;
}
.bwl-ribbon-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--bwl-dark);
    height: 28px;
    overflow: hidden;
    margin-bottom: 4px;
}

.bwl-asym-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}
.bwl-asym-card {
    background: var(--bwl-gray-bg);
    border-radius: 8px;
    padding: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.bwl-asym-info { flex: 1; padding-right: 15px; }
.bwl-asym-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--bwl-black);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.bwl-asym-img {
    width: 85px;
    height: 85px;
    object-fit: contain;
    background: #fff;
    padding: 6px;
    border-radius: 6px;
}

.bwl-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 40px;
}
.bwl-card-4 {
    background: var(--bwl-white);
    border: 1px solid var(--bwl-border);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}
.bwl-card-4:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
}
.bwl-card-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--bwl-gray-bg);
    color: var(--bwl-text-muted);
    font-size: 9px;
    padding: 1px 6px;
    border-radius: 2px;
    text-transform: uppercase;
}
.bwl-card-thumb {
    width: 100%;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
}
.bwl-card-thumb img {
    max-width: 80px;
    max-height: 80px;
    object-fit: contain;
}
.bwl-card-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--bwl-dark);
    height: 34px;
    overflow: hidden;
    margin-bottom: 6px;
}
.bwl-card-price {
    font-size: 15px;
    font-weight: 800;
    color: var(--bwl-black);
}

.bwl-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
    margin-bottom: 40px;
}
.bwl-feature-card {
    background: var(--bwl-white);
    border: 1px solid var(--bwl-border);
    border-radius: 6px;
    padding: 20px 15px;
    text-align: center;
}
.bwl-feature-card img {
    width: 45px;
    height: 45px;
    object-fit: contain;
    margin: 0 auto 10px;
}

.bwl-asym5-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}
.bwl-asym5-left {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}
.bwl-asym5-right {
    background: var(--bwl-gray-bg);
    border-radius: 8px;
    padding: 25px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    text-align: center;
}
.bwl-asym5-right img {
    max-width: 130px;
    max-height: 130px;
    object-fit: contain;
    margin: 15px 0;
}

.bwl-review-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}
.bwl-review-card {
    background: var(--bwl-white);
    border: 1px solid var(--bwl-border);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
}
.bwl-review-card img {
    width: 65px;
    height: 65px;
    object-fit: contain;
    margin-right: 15px;
    background: var(--bwl-gray-bg);
    padding: 4px;
    border-radius: 6px;
}

.bwl-cta-box {
    background: var(--bwl-gray-bg);
    border-radius: 8px;
    padding: 30px;
    margin-bottom: 40px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.bwl-cta-card {
    background: var(--bwl-white);
    border: 1px solid var(--bwl-border);
    border-radius: 6px;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.bwl-faq-list {
    background: var(--bwl-white);
    border: 1px solid var(--bwl-border);
    border-radius: 8px;
    padding: 10px 20px;
    margin-bottom: 40px;
}
.bwl-faq-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--bwl-border);
}
.bwl-faq-item:last-child { border-bottom: none; }

.bwl-catalog-box {
    background: var(--bwl-white);
    border: 1px solid var(--bwl-border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 50px;
}
.bwl-catalog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.bwl-catalog-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bwl-gray-bg);
    border-radius: 4px;
}
.bwl-catalog-item:hover { background: #eee; }
.bwl-catalog-left { display: flex; align-items: center; flex: 1; overflow: hidden; }
.bwl-catalog-left img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    margin-right: 10px;
    background: #fff;
    padding: 2px;
}
.bwl-catalog-title {
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bwl-catalog-right {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: 10px;
}

.bwl-panel-wrap {
    max-width: 980px;
    margin: 40px auto 60px;
    background: var(--bwl-white);
    border: 1px solid var(--bwl-border);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
}
.bwl-detail-layout {
    display: flex;
    flex-wrap: wrap;
    padding: 35px;
    gap: 35px;
}
.bwl-detail-media {
    flex: 0 0 340px;
    text-align: center;
    border-right: 1px solid var(--bwl-border);
    padding-right: 35px;
}
.bwl-detail-media img {
    max-width: 240px;
    max-height: 240px;
    object-fit: contain;
}
.bwl-detail-form { flex: 1; min-width: 300px; }
.bwl-detail-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--bwl-black);
    margin-bottom: 12px;
}
.bwl-price-badge-box {
    background: var(--bwl-gray-bg);
    border: 1px solid var(--bwl-border);
    padding: 15px 20px;
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}
.bwl-price-lg { font-size: 26px; font-weight: 800; color: var(--bwl-black); }

.bwl-form-group { margin-bottom: 18px; }
.bwl-form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--bwl-dark);
    margin-bottom: 6px;
}
.bwl-form-control {
    width: 100%;
    height: 40px;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 0 12px;
    font-size: 13px;
    outline: none;
}
.bwl-form-control:focus { border-color: #000; }
.bwl-btn-submit {
    width: 100%;
    height: 44px;
    background: var(--bwl-black);
    color: var(--bwl-white);
    font-size: 14px;
    font-weight: 700;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s ease;
}
.bwl-btn-submit:hover { background: #333; }

.bwl-tabs-head {
    display: flex;
    background: var(--bwl-gray-bg);
    border-bottom: 1px solid var(--bwl-border);
}
.bwl-tab-btn {
    flex: 1;
    text-align: center;
    padding: 14px 0;
    font-weight: 600;
    color: #666;
    border-right: 1px solid var(--bwl-border);
}
.bwl-tab-btn:last-child { border-right: none; }
.bwl-tab-btn.active {
    background: var(--bwl-white);
    color: #000;
    border-top: 3px solid #000;
}

.bwl-footer {
    background: var(--bwl-black);
    color: #888;
    padding: 35px 0 25px;
    text-align: center;
    font-size: 12px;
    border-top: 2px solid #222;
}
.bwl-footer-nav { margin-bottom: 12px; }
.bwl-footer-nav a { color: #ccc; margin: 0 12px; }
.bwl-footer-nav a:hover { color: #fff; }
.bwl-copyright { color: #555; font-size: 11px; }

@media (max-width: 1024px) {
    .bwl-ribbon-grid { grid-template-columns: repeat(3, 1fr); }
    .bwl-grid-4, .bwl-feature-grid, .bwl-asym5-grid { grid-template-columns: 1fr; }
    .bwl-catalog-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .bwl-ribbon-grid { grid-template-columns: repeat(2, 1fr); }
    .bwl-asym-grid, .bwl-review-grid, .bwl-cta-box { grid-template-columns: 1fr; }
    .bwl-detail-layout { flex-direction: column; }
    .bwl-detail-media { border-right: none; border-bottom: 1px solid var(--bwl-border); padding-right: 0; padding-bottom: 25px; }
}