:root {
    --c-bg: #f5f4ef;
    --c-card-bg: #ffffff;
    --c-text: #2c2a29;
    --c-text-sub: #7a7672;
    --c-accent: #e59a7d;
    --c-border: #e0deda;
    --c-shadow-outer: 8px 8px 16px #e0deda, -8px -8px 16px #ffffff;
    --c-shadow-inner: inset 3px 3px 6px rgba(255,255,255,0.8), inset -3px -3px 6px rgba(0,0,0,0.03);
}
body.clay-body {
    margin: 0;
    padding: 0;
    background: var(--c-bg);
    color: var(--c-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
}
a {
    color: var(--c-text);
    text-decoration: none;
    transition: color 0.3s;
}
a:hover {
    color: var(--c-accent);
}
.clay-header {
    height: 64px;
    background: var(--c-bg);
    border-bottom: 2px solid var(--c-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.clay-header-inner {
    max-width: 1200px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}
.clay-logo img {
    height: 24px;
}
.clay-header-nav {
    display: flex;
    gap: 20px;
}
.clay-header-link {
    color: var(--c-text-sub);
    font-weight: 600;
}
.clay-header-link.clay-active, .clay-header-link:hover {
    color: var(--c-accent);
}
.clay-notice-bar {
    max-width: 1200px;
    margin: 20px auto 0;
    padding: 0 20px;
}
.clay-notice-inner {
    background: var(--c-card-bg);
    box-shadow: var(--c-shadow-outer);
    border-radius: 16px;
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.clay-notice-dot {
    width: 8px;
    height: 8px;
    background: var(--c-accent);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--c-accent);
}
.clay-notice-text {
    font-size: 13px;
    color: var(--c-text);
}
.clay-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}
.clay-three-column-layout {
    display: flex;
    gap: 20px;
    flex-direction: column;
}
@media (min-width: 1024px) {
    .clay-three-column-layout {
        flex-direction: row;
    }
    .clay-left-side {
        width: 220px;
        flex-shrink: 0;
    }
    .clay-right-side {
        width: 240px;
        flex-shrink: 0;
    }
    .clay-center-flow {
        flex-grow: 1;
    }
}
.clay-side-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--c-text-sub);
    margin-bottom: 12px;
    text-transform: uppercase;
}
.clay-side-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.clay-side-menu a {
    display: block;
    padding: 12px 16px;
    background: var(--c-card-bg);
    box-shadow: var(--c-shadow-outer);
    border-radius: 16px;
    font-weight: 600;
    color: var(--c-text-sub);
    transition: all 0.2s ease;
}
.clay-side-menu a:hover {
    color: var(--c-accent);
    transform: scale(0.98);
    box-shadow: inset 3px 3px 6px var(--c-border);
}
.clay-section-title {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--c-text);
}
.clay-product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 30px;
}
@media (min-width: 1200px) {
    .clay-product-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}
.clay-card {
    background: var(--c-card-bg);
    box-shadow: var(--c-shadow-outer);
    border-radius: 24px;
    padding: 20px;
    box-sizing: border-box;
    position: relative;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.clay-card:hover {
    transform: scale(0.98);
    box-shadow: inset 4px 4px 8px var(--c-border);
}
.clay-badge-auto {
    position: absolute;
    top: 14px;
    right: 14px;
    background: var(--c-card-bg);
    box-shadow: var(--c-shadow-outer);
    color: var(--c-accent);
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 12px;
    font-weight: 700;
    z-index: 10;
}
.clay-product-img-box {
    width: 100%;
    aspect-ratio: 1.2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--c-bg);
    box-shadow: var(--c-shadow-inner);
    border-radius: 18px;
    overflow: hidden;
    margin-bottom: 16px;
}
.clay-product-img-box img {
    max-width: 55%;
    max-height: 55%;
    object-fit: contain;
}
.clay-product-info {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.clay-product-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 12px;
    line-height: 1.4;
}
.clay-product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.clay-product-price {
    font-size: 16px;
    font-weight: 800;
    color: var(--c-accent);
}
.clay-product-sales {
    font-size: 12px;
    color: var(--c-text-sub);
    font-weight: 600;
}
.clay-detail-flex {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
@media (min-width: 768px) {
    .clay-detail-flex {
        flex-direction: row;
    }
    .clay-detail-left {
        flex: 1;
    }
    .clay-detail-right {
        width: 380px;
        flex-shrink: 0;
    }
}
.clay-detail-img {
    width: 100%;
    height: 200px;
    background: var(--c-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    margin-bottom: 20px;
    box-shadow: var(--c-shadow-inner);
}
.clay-detail-img img {
    max-width: 40%;
    max-height: 80%;
    object-fit: contain;
}
.clay-detail-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--c-text);
    margin: 0 0 10px;
    line-height: 1.3;
}
.clay-status-tag {
    display: inline-block;
    background: var(--c-bg);
    box-shadow: var(--c-shadow-inner);
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 10px;
    color: var(--c-text-sub);
    font-weight: 600;
}
.clay-desc-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 15px;
}
.clay-desc-content {
    line-height: 1.8;
    color: var(--c-text);
}
.clay-desc-content img {
    max-width: 100%;
}
.clay-price-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--c-bg);
    padding: 16px;
    border-radius: 14px;
    box-shadow: var(--c-shadow-inner);
    margin-bottom: 20px;
}
.clay-price-large {
    font-size: 24px;
    font-weight: 800;
    color: var(--c-accent);
}
.clay-stock-status {
    font-size: 12px;
    color: var(--c-text-sub);
    font-weight: 600;
}
.clay-form-item {
    margin-bottom: 16px;
}
.clay-form-label {
    display: block;
    font-size: 12px;
    color: var(--c-text-sub);
    margin-bottom: 6px;
    font-weight: 600;
}
.clay-form-input {
    width: 100%;
    height: 42px;
    background: var(--c-bg);
    box-shadow: var(--c-shadow-inner);
    border: none;
    border-radius: 14px;
    color: var(--c-text);
    padding: 0 12px;
    box-sizing: border-box;
    outline: none;
    font-weight: 600;
}
.clay-submit-btn {
    width: 100%;
    height: 46px;
    background: var(--c-card-bg);
    box-shadow: var(--c-shadow-outer);
    border: none;
    color: var(--c-accent);
    border-radius: 16px;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}
.clay-submit-btn:hover {
    transform: scale(0.98);
    box-shadow: inset 3px 3px 6px var(--c-border);
}
.clay-submit-btn:disabled {
    background: rgba(0,0,0,0.05);
    color: #888;
    box-shadow: none;
    cursor: not-allowed;
}
.clay-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.clay-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--c-card-bg);
    box-shadow: var(--c-shadow-outer);
    padding: 16px 20px;
    border-radius: 16px;
    flex-wrap: wrap;
    gap: 12px;
}
.clay-item-name {
    flex: 1;
    min-width: 200px;
    font-weight: 700;
}
.clay-item-price {
    font-weight: 800;
    color: var(--c-accent);
}
.clay-item-stock {
    font-size: 12px;
    color: var(--c-text-sub);
    font-weight: 600;
}
.clay-btn-buy {
    background: var(--c-card-bg);
    box-shadow: var(--c-shadow-outer);
    color: var(--c-accent);
    padding: 6px 16px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 700;
    transition: all 0.2s ease;
}
.clay-btn-buy:hover {
    transform: scale(0.95);
    box-shadow: inset 2px 2px 4px var(--c-border);
}
.clay-btn-lock {
    background: rgba(0,0,0,0.05);
    color: #888;
    padding: 6px 16px;
    border-radius: 10px;
    font-size: 12px;
    cursor: not-allowed;
}
.clay-small-box {
    max-width: 500px;
    margin: 40px auto;
}
.clay-tab-bar {
    display: flex;
    border-bottom: 2px solid var(--c-border);
    margin-bottom: 20px;
}
.clay-tab-item {
    flex: 1;
    text-align: center;
    padding: 12px 0;
    font-size: 13px;
    color: var(--c-text-sub);
    font-weight: 700;
    border-bottom: 3px solid transparent;
}
.clay-tab-item.clay-active {
    color: var(--c-accent);
    border-bottom-color: var(--c-accent);
}
.clay-table {
    width: 100%;
    border-collapse: collapse;
}
.clay-table-header {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    background: var(--c-bg);
    box-shadow: var(--c-shadow-inner);
    padding: 12px;
    font-size: 12px;
    color: var(--c-text-sub);
    text-align: center;
    border-radius: 8px;
}
.clay-table-row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    padding: 16px 12px;
    text-align: center;
    align-items: center;
    border-bottom: 2px solid var(--c-border);
}
.clay-payment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.clay-pay-btn {
    background: var(--c-card-bg);
    box-shadow: var(--c-shadow-outer);
    border-radius: 12px;
    padding: 12px;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}
.clay-pay-btn:hover {
    transform: scale(0.96);
    box-shadow: inset 3px 3px 6px var(--c-border);
}
.clay-pay-btn img {
    height: 24px;
}
.clay-footer {
    background: var(--c-bg);
    border-top: 2px solid var(--c-border);
    padding: 30px 0;
    margin-top: 60px;
}
.clay-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;
}
.clay-footer-copyright {
    font-size: 12px;
    color: var(--c-text-sub);
    font-weight: 600;
}
.clay-footer-nav {
    display: flex;
    gap: 20px;
}
.clay-footer-nav a {
    font-size: 12px;
    color: var(--c-text-sub);
    font-weight: 600;
}
.clay-footer-nav a:hover {
    color: var(--c-accent);
}
.clay-title {
    font-size: 18px;
    font-weight: 800;
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--c-accent);
}
.clay-title-sub {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 12px;
}
.clay-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 2px dashed var(--c-border);
}
.clay-price-total {
    border-bottom: none;
    font-size: 16px;
    font-weight: 800;
    color: var(--c-accent);
    margin-top: 10px;
}
.clay-pay-success {
    color: #10b981;
    font-size: 18px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 16px;
}
.clay-mobile-card {
    background: var(--c-card-bg);
    box-shadow: var(--c-shadow-outer);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.clay-mt-20 {
    margin-top: 20px;
}
@media (max-width: 768px) {
    .clay-footer-inner {
        flex-direction: column;
        text-align: center;
    }
}