body {
    margin: 0;
    padding: 0;
    box-shadow: none;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

.container {
    width: 100%;
    padding-left: 24px;
    padding-right: 24px;
    margin-left: auto;
    margin-right: auto;
}

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: 1140px;
    }
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

.hero-content {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.35)),
        url('./assets/images/hero-bg.jpg') no-repeat center;
    background-size: cover;
    min-height: 60vh;
    display: flex;
    align-items: center;
    color: white;
}

h1 {
    font-weight: 600;
    color: white;
}

.hero-button-link {
    display: block;
    width: fit-content;
    padding: 10px 20px;
    background: white;
    border-radius: 12px;
    color: black;
    font-weight: 600;
    transform: translateY(0);
    border: 1px solid transparent;
    transition: all .3s ease;
}

.hero-button-link:hover {
    color: white;
    background-color: transparent;
    border-color: white;
    text-decoration: none;
    transform: translateY(-5px);
}

.section-padding {
    padding-top: 64px;
    padding-bottom: 64px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
    gap: 24px;
}

.feature-card {
    border: 1px solid #666666;
    border-radius: 12px;
    padding: 24px;
}

h2.section-title {
    font-weight: 600;
    color: black;
}

.icon-box {
    display: flex;
    gap: 12px;
    align-items: center;
}

h3.feature-title {
    margin: 0;
    font-weight: 600;
    color: black;
}

i.fa-solid {
    width: 40px;
    height: 40px;
    align-items: center;
    display: flex;
    justify-content: center;
    background: #eff6ff;
    border-radius: 6px;
    color: #1960a3;
}

.solution-card {
    background-size: cover !important;
}

.solution-card-main {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.35)),
        url('./assets/images/bg2.jpg') no-repeat center;

}

.solution-card-sub {
    background: url('./assets/images/bg3.jpg') no-repeat center;
    height: -webkit-fill-available;
}

.solution-card-sub-2 {
    background: url('./assets/images/bg4.jpg') no-repeat center;
    height: -webkit-fill-available;
}

.grid-solutions {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 24px;
    min-height: 60vh;
    color: white;
}

.solution-content {
    display: flex;
    padding: 0 24px;
    height: -webkit-fill-available;
    align-items: flex-end;
}

.grid-solutions-2 {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 24px;
}

.solution-title {
    color: white;
}

.circle-btn {
    border: none;
    background: transparent;
    margin-bottom: 20px;
}

.factory-top-row {
    display: flex;
    gap: 60px;
    align-items: center;
    margin-bottom: 60px;
}

.metrics-card {
    flex: 1;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    border-radius: 6px;
    min-width: 320px;
    overflow: hidden;
}

.metrics-header {
    display: flex;
    align-items: center;
    padding: 18px 24px;
    border-bottom: 1px solid #e2e8f0;
    background-color: #f8fafc;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: #64748b;
    text-transform: uppercase;
}

.metrics-header svg {
    margin-right: 12px;
    width: 18px;
    height: 18px;
    fill: #1664a7;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background-color: #e2e8f0;
}

.metric-item {
    background-color: #ffffff;
    padding: 30px 24px;
    text-align: center;
    transition: background-color 0.3s ease;
}

.metric-item:hover {
    background-color: #f8fafc;
}

.metric-value {
    font-size: 32px;
    font-weight: 700;
    color: #1664a7;
    margin-bottom: 4px;
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 4px;
}

.metric-value .unit {
    font-size: 14px;
    color: #64748b;
    font-weight: 500;
}

.metric-label {
    font-size: 12px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.audit-info {
    flex: 1;
}

.access-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid #e2e8f0;
    background-color: #f8fafc;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 20px;
    border-radius: 4px;
}

.access-badge svg {
    width: 12px;
    height: 12px;
    fill: #1664a7;
}

.audit-info h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #000000;
    line-height: 1.2;
}

.audit-info p {
    color: #64748b;
    margin-bottom: 28px;
    font-size: 15px;
}

.vr-link-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background-color: #1664a7;
    color: #ffffff;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 14px 24px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.vr-link-btn:hover {
    background-color: #12518a;
}

.vr-link-btn svg {
    width: 18px;
    height: 18px;
    fill: #ffffff;
}

.qc-process-module {
    border-top: 1px solid #e2e8f0;
    padding-top: 50px;
}

.qc-header {
    text-align: center;
    margin-bottom: 40px;
}

.qc-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #000000;
    margin-bottom: 12px;
}

.qc-header p {
    color: #64748b;
    font-size: 15px;
}

.qc-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.qc-step {
    text-align: center;
    padding: 20px;
    position: relative;
}

.qc-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 45px;
    right: -20px;
    width: 40px;
    height: 2px;
    background-color: #e2e8f0;
    z-index: 1;
}

.step-icon {
    width: 60px;
    height: 60px;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
    position: relative;
    z-index: 2;
}

.step-icon svg {
    width: 28px;
    height: 28px;
    fill: #1664a7;
}

.qc-step h4 {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 8px;
}

.qc-step p {
    font-size: 13px;
    color: #64748b;
}

@media (max-width: 900px) {
    .factory-top-row {
        flex-direction: column;
        gap: 40px;
    }

    .qc-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 20px;
    }

    .qc-step:not(:last-child)::after {
        display: none;
    }
}

@media (max-width: 500px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .qc-steps {
        grid-template-columns: 1fr;
    }
}
/* --- 新增产品系列网格样式 --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.product-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.product-img-placeholder {
    height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.product-info {
    padding: 24px;
}

.product-info h3 {
    margin: 0 0 8px 0;
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
}

.product-info .specs {
    font-size: 12px;
    color: #1664a7; /* 主题蓝 */
    font-weight: 600;
    margin-bottom: 12px;
}

.product-info .desc {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 20px;
    line-height: 1.5;
}

.text-link {
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
    text-decoration: none;
    transition: color 0.2s;
}

.text-link:hover {
    color: #1664a7;
}

/* --- 新增供应链生态样式 --- */
.partner-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    align-items: center;
}

.logo-item {
    padding: 20px 30px;
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    text-align: center;
    min-width: 180px;
    color: #0f172a;
}

.logo-item strong {
    font-size: 16px;
    display: block;
    margin-bottom: 4px;
}

.logo-item span {
    font-size: 12px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-image {
    text-align: center;
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 275px;
}

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