:root {
    --l-bg: #e2e5e9;
    --l-card-bg: #f5f6f8;
    --l-border: #2d2d2d;
    --l-accent: #b8860b;
    --l-text: #1a1a1a;
    --l-text-sub: #5c5c5c;
    --l-red: #ef4444;
}
body.lingnan-body {
    margin: 0;
    padding: 0;
    background: var(--l-bg);
    background-image: radial-gradient(#d0d4d9 1px, transparent 1px);
    background-size: 24px 24px;
    color: var(--l-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
}
a {
    color: var(--l-text);
    text-decoration: none;
    transition: color 0.3s;
}
a:hover {
    color: var(--l-accent);
}
.lingnan-header {
    height: 64px;
    background: var(--l-card-bg);
    border-bottom: 2px solid var(--l-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.lingnan-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}
.lingnan-logo img {
    height: 26px;
}
.lingnan-header-nav {
    display: flex;
    gap: 20px;
}
.lingnan-header-link {
    color: var(--l-text-sub);
    font-weight: 600;
}
.lingnan-header-link.lingnan-active, .lingnan-header-link:hover {
    color: var(--l-accent);
}
.lingnan-notice-bar {
    max-width: 1200px;
    margin: 20px auto 0;
    padding: 0 20px;
}
.lingnan-notice-inner {
    background: var(--l-card-bg);
    border: 2px solid var(--l-border);
    border-radius: 4px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.lingnan-notice-dot {
    width: 6px;
    height: 6px;
    background: var(--l-accent);
    border-radius: 50%;
}
.lingnan-notice-text {
    font-size: 13px;
    color: var(--l-text);
}
.lingnan-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}
.lingnan-section-title {
    font-size: 16px;
    font-weight: 700;
    margin: 30px 0 20px;
    color: var(--l-text);
    text-align: center;
    letter-spacing: 1px;
}
.lingnan-quadrant-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    position: relative;
    margin-bottom: 40px;
}
.lingnan-axes-logo {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    background: var(--l-card-bg);
    border: 2px solid var(--l-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.lingnan-axes-logo img {
    height: 32px;
    width: 32px;
    object-fit: contain;
}
.lingnan-card {
    background: var(--l-card-bg);
    border: 2px solid var(--l-border);
    padding: 24px;
    box-sizing: border-box;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    text-decoration: none;
    display: flex;
    flex-direction: column;
}
.lingnan-card::before {
    content: "";
    position: absolute;
    top: 8px; left: 8px; right: 8px; bottom: 8px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    pointer-events: none;
}
.lingnan-card:hover {
    transform: scale(1.03);
    z-index: 10;
    border-color: var(--l-accent);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}
@media (max-width: 768px) {
    .lingnan-quadrant-grid {
        grid-template-columns: 1fr;
    }
    .lingnan-axes-logo {
        display: none;
    }
}
.lingnan-badge-auto {
    position: absolute;
    top: 14px;
    right: 14px;
    background: rgba(184, 134, 11, 0.1);
    border: 1px solid var(--l-accent);
    color: var(--l-accent);
    font-size: 11px;
    padding: 2px 6px;
    font-weight: 600;
    z-index: 10;
}
.lingnan-product-img-box {
    width: 100%;
    aspect-ratio: 1.2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.03);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 16px;
    border: 1px solid var(--l-border);
}
.lingnan-product-img-box img {
    max-width: 60%;
    max-height: 60%;
    object-fit: contain;
    filter: blur(2px) grayscale(0.2);
    transition: all 0.4s ease;
}
.lingnan-card:hover .lingnan-product-img-box img {
    filter: none;
}
.lingnan-product-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.lingnan-product-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--l-text);
    margin-bottom: 12px;
    line-height: 1.4;
}
.lingnan-product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.lingnan-product-price {
    font-size: 15px;
    font-weight: 700;
    color: var(--l-accent);
}
.lingnan-product-sales {
    font-size: 12px;
    color: var(--l-text-sub);
}
.lingnan-detail-flex {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
@media (min-width: 768px) {
    .lingnan-detail-flex {
        flex-direction: row;
    }
    .lingnan-detail-left {
        flex: 1;
    }
    .lingnan-detail-right {
        width: 380px;
        flex-shrink: 0;
    }
}
.lingnan-detail-img {
    width: 100%;
    height: 200px;
    background: rgba(0,0,0,0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    margin-bottom: 20px;
    border: 1px solid var(--l-border);
}
.lingnan-detail-img img {
    max-width: 40%;
    max-height: 80%;
    object-fit: contain;
}
.lingnan-detail-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--l-text);
    margin: 0 0 10px;
    line-height: 1.3;
}
.lingnan-status-tag {
    display: inline-block;
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--l-border);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 4px;
    color: var(--l-text-sub);
}
.lingnan-desc-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--l-text);
    margin-bottom: 15px;
}
.lingnan-desc-content {
    line-height: 1.8;
    color: var(--l-text);
}
.lingnan-desc-content img {
    max-width: 100%;
}
.lingnan-price-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0,0,0,0.03);
    padding: 16px;
    border-radius: 4px;
    border: 1px solid var(--l-border);
    margin-bottom: 20px;
}
.lingnan-price-large {
    font-size: 24px;
    font-weight: 800;
    color: var(--l-accent);
}
.lingnan-stock-status {
    font-size: 12px;
    color: var(--l-text-sub);
}
.lingnan-form-item {
    margin-bottom: 16px;
}
.lingnan-form-label {
    display: block;
    font-size: 12px;
    color: var(--l-text-sub);
    margin-bottom: 6px;
}
.lingnan-form-input {
    width: 100%;
    height: 42px;
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--l-border);
    border-radius: 4px;
    color: var(--l-text);
    padding: 0 12px;
    box-sizing: border-box;
    outline: none;
    transition: border-color 0.3s;
}
.lingnan-form-input:focus {
    border-color: var(--l-accent);
}
.lingnan-submit-btn {
    width: 100%;
    height: 46px;
    background: var(--l-card-bg);
    border: 2px solid var(--l-border);
    color: var(--l-text);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
}
.lingnan-submit-btn:hover {
    background: var(--l-bg);
    border-color: var(--l-accent);
}
.lingnan-submit-btn:disabled {
    background: rgba(0,0,0,0.05);
    color: #888;
    border-color: var(--l-border);
    cursor: not-allowed;
}
.lingnan-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.lingnan-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0,0,0,0.02);
    border: 1px solid var(--l-border);
    padding: 16px 20px;
    border-radius: 4px;
    flex-wrap: wrap;
    gap: 12px;
}
.lingnan-item-name {
    flex: 1;
    min-width: 200px;
    font-weight: 700;
}
.lingnan-item-price {
    font-weight: 700;
    color: var(--l-accent);
}
.lingnan-item-stock {
    font-size: 12px;
    color: var(--l-text-sub);
}
.lingnan-btn-buy {
    background: var(--l-card-bg);
    border: 2px solid var(--l-border);
    color: var(--l-text);
    padding: 6px 16px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
}
.lingnan-btn-buy:hover {
    background: var(--l-bg);
    border-color: var(--l-accent);
}
.lingnan-btn-lock {
    background: rgba(0,0,0,0.05);
    color: #888;
    border: 1px solid var(--l-border);
    padding: 6px 16px;
    border-radius: 4px;
    font-size: 12px;
    cursor: not-allowed;
}
.lingnan-small-box {
    max-width: 500px;
    margin: 40px auto;
}
.lingnan-tab-bar {
    display: flex;
    border-bottom: 2px solid var(--l-border);
    margin-bottom: 20px;
}
.lingnan-tab-item {
    flex: 1;
    text-align: center;
    padding: 12px 0;
    font-size: 13px;
    color: var(--l-text-sub);
    font-weight: 600;
    border-bottom: 3px solid transparent;
}
.lingnan-tab-item.lingnan-active {
    color: var(--l-text);
    border-bottom-color: var(--l-accent);
}
.lingnan-table {
    width: 100%;
    border-collapse: collapse;
}
.lingnan-table-header {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    background: rgba(0,0,0,0.03);
    padding: 12px;
    font-size: 12px;
    color: var(--l-text-sub);
    text-align: center;
    border-bottom: 2px solid var(--l-border);
}
.lingnan-table-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    padding: 16px 12px;
    text-align: center;
    align-items: center;
    border-bottom: 2px solid var(--l-border);
}
.lingnan-payment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.lingnan-pay-btn {
    background: rgba(0,0,0,0.02);
    border: 2px solid var(--l-border);
    border-radius: 4px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s;
}
.lingnan-pay-btn:hover {
    border-color: var(--l-accent);
}
.lingnan-pay-btn img {
    height: 24px;
}
.lingnan-footer {
    background: var(--l-card-bg);
    border-top: 2px solid var(--l-border);
    padding: 30px 0;
    margin-top: 60px;
}
.lingnan-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    flex-wrap: wrap;
    gap: 16px;
}
.lingnan-footer-copyright {
    font-size: 12px;
    color: var(--l-text-sub);
}
.lingnan-footer-nav {
    display: flex;
    gap: 20px;
}
.lingnan-footer-nav a {
    font-size: 12px;
    color: var(--l-text-sub);
}
.lingnan-footer-nav a:hover {
    color: var(--l-text);
}
.lingnan-title {
    font-size: 18px;
    font-weight: 700;
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--l-text);
}
.lingnan-title-sub {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
}
.lingnan-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 2px dashed var(--l-border);
}
.lingnan-price-total {
    border-bottom: none;
    font-size: 16px;
    font-weight: 700;
    color: var(--l-accent);
    margin-top: 10px;
}
.lingnan-pay-success {
    color: #10b981;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 16px;
}
.lingnan-mobile-card {
    background: rgba(0,0,0,0.02);
    border: 2px solid var(--l-border);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.lingnan-mt-20 {
    margin-top: 20px;
}
@media (max-width: 768px) {
    .lingnan-footer-inner {
        flex-direction: column;
        text-align: center;
    }
}