.business-page {
    background: #fff;
    color: #333;
    min-height: 100vh;
    font-family: "Source Han Serif SC VF", "Source Han Serif SC", "Noto Serif SC", serif;
}

.business-container {
    width: min(1080px, 100% - 48px);
    margin: 0 auto 40px;
}

.business-top-nav-wrap {
    padding-top: 36px;
}

.business-section {
    margin-bottom: 50px;
    scroll-margin-top: 18px;
}

/* 1. 龙工作室 banner */
.long-studio-banner {
    margin-bottom: 30px;
}

.full-img {
    width: 100%;
    height: auto;
    display: block;
}

.long-studio-intro {
    text-align: center;
    padding: 0 20px;
}

.dragon-seal {
    width: 100px;
    height: auto;
    margin-bottom: 16px;
}

.red-title {
    color: #d3203d;
    font-size: 22px;
    margin: 0 0 20px;
    font-weight: 600;
}

.long-studio-intro p {
    font-size: 16px;
    line-height: 1.8;
    color: #444;
    margin: 0 0 16px;
}

/* 2. 龙工作室大师 */
.masters-grid {
    padding: 40px 30px;
}

.masters-row {
    display: grid;
    gap: 30px;
}

    .masters-row.top-row {
        grid-template-columns: repeat(3, 1fr);
        margin-bottom: 40px;
    }

    .masters-row.bottom-row {
        grid-template-columns: repeat(4, 1fr);
    }

.master-card {
    text-align: center;
}

    .master-card img {
        width: 100%;
        aspect-ratio: 3 / 4;
        object-fit: cover;
        margin-bottom: 16px;
    }

    .master-card h4 {
        font-size: 18px;
        color: #111;
        margin: 0 0 4px;
    }

    .master-card h5 {
        font-size: 16px;
        color: #d3203d;
        margin: 0 0 12px;
        font-weight: normal;
    }

    .master-card p {
        font-size: 16px;
        line-height: 1.6;
        color: #555;
        text-align: justify;
        margin: 0;
    }

/* 3. 自有玉石生产基地 */
.production-layout {
    display: flex;
    flex-direction: column;
}

.production-top {
    display: flex;
    align-items: stretch;
    gap: 30px;
}

.production-text {
    flex: 1;
}

.prod-item {
    margin-bottom: 20px;
}

    .prod-item h4 {
        font-size: 18px;
        color: #111;
        margin: 0 0 6px;
    }

    .prod-item p {
        font-size: 16px;
        color: #555;
        line-height: 1.6;
        margin: 0;
    }

.production-image {
    flex: 0 0 auto;
    width: 400px;
}

    .production-image img {
        height: 100%;
        object-fit: cover;
    }

/* 4. 线下门店 */
.stores-container {
    padding: 0px 30px 40px;
}

.stores-intro p {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    width: 700px;
    margin: 0 auto 20px;
}

.stores-intro span {
    color: #d3203d;
}

.stores-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
}

    .stores-table thead th {
        background: rgba(255, 255, 255, 0.4);
    }

    .stores-table th, .stores-table td {
        padding: 12px 16px;
        text-align: left;
        border-bottom: 1px solid transparent;
    }

    .stores-table tr.stores--dark td {
        background: rgba(255, 255, 255, 0.4);
    }

    .stores-table th {
        color: #111;
        font-weight: 600;
        border-bottom: 1px solid #e9eaec;
    }

    .stores-table td {
        color: #444;
    }

/* 5. 线上电商 */
.ecommerce-block {
    text-align: center;
}

.tmall-banner {
    margin-bottom: 24px;
}

.ecommerce-text {
    width: 450px;
    margin: 0px auto;
    font-size: 20px;
}

    .ecommerce-text .desc-line {
        text-align: left;
    }

    .ecommerce-text .red-title {
        font-size: 20px;
        margin-bottom: 8px;
    }

.tmall-link {
    font-size: 16px;
    color: #d3203d;
    margin: 0 0 16px;
}

.desc-line {
    font-size: 16px;
    line-height: 1.8;
    color: #555;
    max-width: 800px;
    margin: 0 auto;
}

/* 页脚 */
.business-footer {
    border-top: 1px solid #2f2f2f;
    padding: 18px 0 100px;
    margin: 16px auto 24px;
    width: min(1080px, 100% - 48px);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
    color: #1f1f1f;
    font-size: 14px;
}

/* 响应式 */
@media (max-width: 900px) {
    .masters-row.top-row,
    .masters-row.bottom-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .production-top {
        flex-direction: column-reverse;
    }
}

@media (max-width: 600px) {
    .masters-row.top-row,
    .masters-row.bottom-row {
        grid-template-columns: 1fr;
    }

    .stores-table {
        display: block;
        overflow-x: auto;
        white-space: nowrap;
    }
}

@media (max-width: 960px) {
    .business-footer {
        width: min(1080px, 100% - 28px);
    }
}

@media (max-width: 720px) {
    .business-footer {
        font-size: 13px;
        gap: 12px;
    }
}