:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --accent-color: #3498db;
    --light-color: #f9f9f9;
    --dark-color: #2c3e50;
    --gray-color: #7f8c8d;
    --transition: all 0.3s ease;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

h4 {
    font-weight: bold;
}

/* Navigation Bar */
header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo i {
    color: var(--secondary-color);
    margin-right: 10px;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.nav-links a.active {
    color: var(--secondary-color);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--secondary-color);
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero Section - UPDATED (Reduced Height) */
.hero-section {
    height: 70vh;
    min-height: 500px;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: white;
    margin-top: 0px;
    padding: 40px 20px;
    position: relative;
}

.hero-section::before {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0px;
    top: 0px;
    background-color: #000;
    opacity: 0.5;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    position: relative;
    z-index: 99;
}

.hero-content h1 {
    font-size: 2.8rem;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
    color: #fff;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    line-height: 1.5;
}

.stats-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 15px 20px;
    border-radius: var(--border-radius);
    min-width: 150px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    display: block;
}

.stat-text {
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Section Common Styles */
.section {
    padding: 70px 0;
}

.section-title {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 40px;
    color: var(--primary-color);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--secondary-color);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--gray-color);
    max-width: 800px;
    margin: 0 auto 40px;
}

/* Founder Story */
.founder-cards {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.founder-card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    width: 100%;
    max-width: 500px;
    transition: var(--transition);
}

.founder-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.founder-img {
    height: 220px;
    background-color: #eee;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.founder-content {
    padding: 25px;
}

.founder-tag {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.founder-quote {
    font-style: italic;
    color: var(--primary-color);
    border-left: 3px solid var(--secondary-color);
    padding-left: 15px;
    margin: 15px 0;
}

/* Core Expertise Section */
.expertise-container {
    color: white;
    padding: 70px 0;
    border-radius: 0;
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
    position: relative;
}

.expertise-container::before {
    content: '';
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 0;
    left: 0px;
    top: 0px;
    background-color: #000;
    opacity: 0.7;
}


.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.expertise-card {
    text-align: center;
    padding: 25px;
}


.expertise-icon {
    width: 70px;
    height: 70px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
}

/* Company Facilities */
.facility-carousel {
    position: relative;
    height: 350px;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 40px;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.carousel-slide.active {
    opacity: 1;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.advantage-card {
    background-color: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

.advantage-card:hover {
    transform: translateY(-5px);
}

.advantage-icon {
    font-size: 2.2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

/* Global Supply Chain */
.sourcing-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: center;
}

.world-map {
    flex: 1;
    min-width: 300px;
    height: 350px;
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}

.map-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.map-point::after {
    content: '';
    position: absolute;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    border: 2px solid var(--secondary-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 0.8;
    }

    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

.sourcing-advantages {
    flex: 1;
    min-width: 300px;
}

.advantage-list {
    list-style-type: none;
}

.advantage-list li {
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
}

.advantage-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 22px;
    height: 22px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Quality Control Process */
.quality-process {
    display: flex;
    overflow-x: auto;
    padding: 20px 0;
    gap: 10px;
    scrollbar-width: thin;
}

.process-step {
    min-width: 160px;
    background-color: white;
    border-radius: var(--border-radius);
    padding: 20px 12px;
    text-align: center;
    box-shadow: var(--shadow);
    position: relative;
    flex-shrink: 0;
}

.process-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-color);
    font-size: 1.3rem;
}

.step-number {
    display: block;
    width: 35px;
    height: 35px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    line-height: 35px;
    margin: 0 auto 12px;
    font-weight: bold;
    font-size: 1.1rem;
}

.technician-team {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 25px;
    margin-top: 40px;
}

.technician-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    width: 100%;
    max-width: 280px;
}

.technician-img {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background-color: #eee;
    margin: 0 auto 15px;
    background-size: cover;
    background-position: center;
}

/* B2B Service Workflow - COMPACT VERSION */
.service-workflow-compact {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    max-width: 900px;
    margin: 0 auto;
}

.workflow-step-compact {
    background-color: white;
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    position: relative;
    transition: var(--transition);
    height: 100%;
}

.workflow-step-compact:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.workflow-number-compact {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    font-weight: bold;
    font-size: 1.1rem;
    margin: 0 auto 12px;
}

.service-features {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 40px;
}

.feature-tag {
    background-color: var(--accent-color);
    color: white;
    padding: 8px 18px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
}

/* Success Stories */
.success-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: stretch;
    justify-content: center;
}

.case-study {
    flex: 1;
    min-width: 300px;
    background-color: white;
    padding: 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.case-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.case-flag {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: #eee;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.client-logos-container {
    flex: 1;
    min-width: 300px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.client-logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.country-label {
    color: white;
    padding: 0px 10px;
    margin: 0 0;
    height: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0px;
    width: 100%;
    text-align: left;
    position: absolute;
    z-index: 10;
    left: 0px;
    bottom: 0px;
    line-height: 22px;
}

.country-label-bg {
    color: #000;
    background-color: #000;
    opacity: 0.5;
    padding: 0px 0px;
    margin: 0 0;
    height: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0px;
    width: 100%;
    text-align: center;
    position: absolute;
    z-index: 1;
    left: 0px;
    bottom: 0px;
}

.client-logo {
    background-color: white;
    height: auto;
    width: 100%;
    flex: 1;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    padding: 12px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

/* Global Market Engagement */
.engagement-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: flex-start;
    margin-bottom: 50px;
}

.engagement-content {
    flex: 1;
    min-width: 300px;
}

.engagement-image {
    flex: 1;
    min-width: 300px;
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 280px;
}

/* Customer Photos Grid */
.customer-photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-top: 25px;
}

.customer-photo-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    height: 160px;
    position: relative;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.customer-photo-item:hover {
    transform: scale(1.03);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.customer-photo {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7), transparent);
    color: white;
    padding: 8px 12px;
    font-size: 0.8rem;
}

/* Trade Show Display */
.trade-show-container {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.trade-show-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.trade-show-item {
    text-align: left;
    border-radius: var(--border-radius);
    background-color: white;
    transition: var(--transition);
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.trade-show-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

.trade-show-image {
    height: 350px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    background-size: cover;
    background-position: center;
    position: relative;
    overflow: hidden;
}

.trade-show-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
}

.trade-show-icon {
    width: 70px;
    height: 70px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

.trade-show-content {
    padding: 20px;
    background-color: white;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    flex-grow: 1;
}

/* Certifications */
.certifications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 25px;
}

.cert-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 25px;
    text-align: center;
    box-shadow: var(--shadow);
}

.cert-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

/* Contact Form */
.contact-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.contact-form {
    flex: 1;
    min-width: 300px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.btn {
    display: inline-block;
    background-color: var(--secondary-color);
    color: white;
    padding: 12px 30px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn:hover {
    background-color: #c0392b;
    transform: translateY(-3px);
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.contact-icon {
    width: 45px;
    height: 45px;
    background-color: var(--accent-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-right: 12px;
    flex-shrink: 0;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    color: white;
    padding: 50px 0 25px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 30px;
}

.footer-logo {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 15px;
    display: block;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-column h3 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: white;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 8px;
}

.footer-column ul li a {
    color: #ddd;
    text-decoration: none;
    transition: var(--transition);
}

.footer-column ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.copyright {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #aaa;
    font-size: 0.85rem;
}

/* Responsive Design */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 2.4rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {

    .expertise-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 0px;
        margin-top: 20px;
    }

    .expertise-card {
        text-align: center;
        padding: 10px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: var(--shadow);
        transform: translateY(-100%);
        opacity: 0;
        transition: var(--transition);
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-links li {
        margin: 15px 0;
    }

    .stats-container {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
        /* 同一行的高度相同 */
        grid-column-gap: 10px;
        grid-row-gap: 10px;
        margin-top: 40px;
    }

    .hero-section {
        height: 60vh;
        min-height: 450px;
        padding: 30px 20px;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 1.3rem;
        box-sizing: border-box;
        padding: 0 10px;
    }

    .stat-item {
        width: 100%;
        min-width: 100px;
        padding: 12px 10px;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .expertise-icon {
        width: 70px;
        height: 70px;
        background-color: var(--accent-color);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 10px;
        font-size: 2rem;
    }

    .client-logos-container {
        flex: 1;
        min-width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .client-logo {
        background-color: white;
        height: auto;
        width: 100%;
        flex: 1;
        border-radius: var(--border-radius);
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow);
        padding: 12px;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        position: relative;

    }

    .expertise-container {
        color: white;
        padding: 30px 0;
        border-radius: 0;
        background-repeat: no-repeat;
        background-position: center center;
        background-size: cover;
        position: relative;
    }

    .section-subtitle {
        text-align: center;
        font-size: 1.1rem;
        color: var(--gray-color);
        max-width: 800px;
        margin: 0 auto 20px;
    }

    .last-sec {
        padding-top: 0px;
    }

    .client-logo-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 200px;
        overflow: hidden;
        border-radius: 5px;
    }

    .country-label {
        color: white;
        padding: 0px 10px;
        margin: 0 0;
        height: 100%;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 0px;
        width: 100%;
        text-align: left;
        position: absolute;
        z-index: 10;
        left: 0px;
        bottom: 0px;
        line-height: 22px;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;

    }

    .country-label-bg {
        color: #000;
        background-color: #000;
        opacity: 0.5;
        padding: 0px 0px;
        margin: 0 0;
        height: 100%;
        font-size: 0.85rem;
        font-weight: 600;
        margin-bottom: 0px;
        width: 100%;
        text-align: center;
        position: absolute;
        z-index: 1;
        left: 0px;
        bottom: 0px;
    }

    .carousel-slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        opacity: 0;
        transition: opacity 1s ease;
        background-size: cover;
        background-position: center;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.6rem;
        color: white;
        font-weight: bold;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
        box-sizing: border-box;
        padding: 0 20px;
    }
}

@media (max-width: 576px) {
    .hero-section {
        height: 55vh;
        min-height: 400px;
    }

    .hero-content h1 {
        font-size: 1.8rem;
    }

    .founder-card {
        max-width: 100%;
    }

    .process-step {
        min-width: 140px;
        padding: 15px 10px;
    }

    .engagement-container {
        flex-direction: column;
    }

    .engagement-image {
        height: 250px;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.mt-20 {
    margin-top: 20px;
}

.mt-30 {
    margin-top: 30px;
}

.mt-40 {
    margin-top: 40px;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-30 {
    margin-bottom: 30px;
}

.mb-40 {
    margin-bottom: 40px;
}





.quality-content {
    box-sizing: border-box;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: space-between;
    flex-wrap: wrap;
    width: 100%;
    height: auto;
    min-height: 30px;
    margin: 40px 0px;
    padding: 0px 0px;
}

.quality-image {
    box-sizing: border-box;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 48%;
    height: auto;
    min-height: 30px;
    margin: 0px 0px;
    padding: 0px 0px;
}

.quality-image>img {
    width: 100%;
    height: auto;
    min-height: 30px;
    margin: 0px 0px;
    padding: 0px 0px;
    object-fit: cover;
    border-radius: 5px;
}

.quality-text {
    box-sizing: border-box;
    width: 48%;
    height: auto;
    min-height: 30px;
    margin: 0px 0px;
    padding: 0px 0px;
    text-align: left;
    font-size: 14px;
    line-height: 1.6;
    color: #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.quality-cnt{ 
    box-sizing: border-box ; 
    margin: 0 auto ; 
    padding: 0 0 0 0 ; 
    width: 100% ; 
    height: auto ; 
    text-align: left;
}
.quality-cnt h3{
    margin: 0px 0;
}
.quality-cnt p{
    margin: 20px 0;
    font-size: 18px;
    line-height: 1.4;
    color: #666;
}
.quality-cnt ul{
    margin: initial;
    padding: initial;
    list-style-type: square;
    box-sizing: border-box;
    padding-left: 20px;
}
.quality-cnt ul li{
    margin: 5px  0;
    padding-left: 0px;
    font-size: 18px;
    line-height: 1.4;
    color: #666;
}




.section-desc1{ 
    box-sizing: border-box ; 
    margin: 0 auto ; 
    padding: 0 0 0 0 ; 
    width: 100% ; 
    height: auto ; 
    text-align: center ;  
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1.4;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #666;
}

/*--------自适应--------*/

@media screen and (max-width: 750px) {
    .quality-image {
        box-sizing: border-box;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: auto;
        min-height: 30px;
        margin: 0px 0px;
        padding: 0px 0px;
    }

    .quality-text {
        box-sizing: border-box;
        width: 100%;
        height: auto;
        min-height: 30px;
        margin: 20px 0px 0 0;
        padding: 0px 0px;
        text-align: left;
        font-size: 14px;
        line-height: 1.6;
        color: #000;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .quality-content {
        box-sizing: border-box;
        display: flex;
        flex-direction: row;
        align-items: stretch;
        justify-content: space-between;
        flex-wrap: wrap;
        width: 100%;
        height: auto;
        min-height: 30px;
        margin: 15px 0px 0px 0;
        padding: 0px 0px;
    }

}