@charset "utf-8";

:root {
    --primary-color: #4b7bec;
    --secondary-color: #45aaf2;
    --accent-color: #fc5c65;
    --light-color: #f8f9fa;
    --dark-color: #198bdb;
    --text-color: #4b4b4b;
    --text-light: #747d8c;
    --shadow: 0 4px 15px rgba(0,0,0,0.08);
    --section-padding: 60px 0;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

body {
    color: var(--text-color);
    line-height: 1.8;
    background-color: var(--light-color);
    font-size: 16px;
}

.container {
    max-width: 1660px;
    margin: 0 auto;
    padding: 0 30px;
}

.zjcontainer {
    max-width: 1660px;
    margin: 0 auto;
    /* padding: 0 30px; */
}

header {
    background: linear-gradient(135deg, var(--primary-color), #6a5acd);
    color: white;
    padding: 40px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1576091160399-112ba8d25d1d?ixlib=rb-1.2.1&auto=format&fit=crop&w=1660&q=80') center/cover;
    opacity: 0.1;
    z-index: 0;
}

.header-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 1.5px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.15);
}

.slogan {
    font-size: 22px;
    opacity: 0.95;
    margin: 0 auto 25px;
    max-width: 800px;
    line-height: 1.5;
}

.quick-contact {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.quick-contact a {
    color: white;
    background-color: rgba(255,255,255,0.2);
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.quick-contact a:hover {
    background-color: rgba(255,255,255,0.3);
    transform: translateY(-2px);
}

nav {
    background-color: var(--dark-color);
    /* padding: 0;
    position: sticky; */
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

nav a {
    color: white;
    text-decoration: none;
    padding: 20px 28px;
    font-size: 17px;
    transition: all 0.3s;
    position: relative;
    font-weight: 500;
}

nav a:hover {
    background-color: rgba(255,255,255,0.1);
}

nav a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 4px;
    background-color: var(--secondary-color);
    transition: width 0.3s;
}

nav a:hover::after {
    width: 70%;
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 36px;
    color: var(--dark-color);
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    
    
}
    
}

.section-title h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.section-title p {
    color: var(--text-light);
    font-size: 18px;
    max-width: 700px;
    margin: 15px auto 0;
}

.content-section {
    padding: var(--section-padding);
}

.institution, .consultant {
    margin-bottom: 50px;
    padding-bottom: 40px;
    border-bottom: 1px dashed #e0e6ed;
}

.institution:last-child, .consultant:last-child {
    border-bottom: none;
}

h2, h3 {
    color: var(--dark-color);
    position: relative;

}



h3 {
    margin: 30px 0 20px;
    font-size: 26px;
    padding-left: 20px;
}

h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 24px;
    background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
}

.contact-info {
    background-color: #f8fafc;
    padding: 25px;
    border-radius: 8px;
    margin-top: 20px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.contact-info p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-info strong {
    min-width: 80px;
    display: inline-block;
}

.img-container {
    margin: 30px 0;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    position: relative;
}

.img-container img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.img-container:hover img {
    transform: scale(1.03);
}

.img-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    color: white;
    padding: 20px;
    font-size: 15px;
}

.ad-banner {
    width: auto;
    max-width: 100%;    
    margin-left: 20px;
            margin-right: 20px;
            margin-top: 25px;
            margin-bottom: 25px;
    color: white;
    text-align: center;
    padding: 50px 30px;
    border-radius: 10px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow);
}

 .zjguanggao {
            width: 100%;
            max-width: 1660px;
            height: auto;
            background-color: #ddd;
            margin-left: 0;
            margin-right: 0;
            margin-top: 25px;
            margin-bottom: 25px;            
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            text-align: center;
            font-size: 18px;
            color: #666;
            /*  border-radius: 5px;*/
        }

.ad-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?ixlib=rb-1.2.1&auto=format&fit=crop&w=1660&q=80') center/cover;
    opacity: 0.15;
}

.ad-banner h3 {
    font-size: 32px;
    margin-bottom: 20px;
    position: relative;
    color: white;
    padding-left: 0;
}

.ad-banner h3::before {
    display: none;
}

.ad-banner p {
    font-size: 20px;
    margin-bottom: 30px;
    position: relative;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.ad-banner .btn {
    position: relative;
    z-index: 1;
}

.product-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 35px;
    margin-top: 40px;
}

.product {
    border: 1px solid #e0e6ed;
    padding: 25px;
    border-radius: 10px;
    transition: all 0.4s;
    background-color: white;
    position: relative;
    overflow: hidden;
}

.product:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.12);
}

.product-badge {
    position: absolute;
    top: 15px;
    right: -30px;
    background-color: var(--accent-color);
    color: white;
    padding: 5px 30px;
    transform: rotate(45deg);
    font-size: 14px;
    z-index: 1;
}

.product img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 20px;
}

.product h4 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.product .price {
    color: var(--accent-color);
    font-size: 24px;
    font-weight: bold;
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product .price small {
    color: var(--text-light);
    font-size: 16px;
    text-decoration: line-through;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 15px;
}

.product-rating .stars {
    color: #ffc107;
}

.product-rating .reviews {
    color: var(--text-light);
    font-size: 14px;
}

.product-specs {
    margin: 20px 0;
}

.product-specs li {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.product-specs li::before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 14px 30px;
    text-decoration: none;
    border-radius: 50px;
    margin-top: 15px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 5px 15px rgba(75, 123, 236, 0.3);
    font-size: 16px;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(75, 123, 236, 0.4);
}

.btn i {
    font-size: 18px;
}

.btn-accent {
    background: linear-gradient(to right, var(--accent-color), #ff7675);
    box-shadow: 0 5px 15px rgba(252, 92, 101, 0.3);
}

.btn-accent:hover {
    box-shadow: 0 8px 20px rgba(252, 92, 101, 0.4);
}

.feature-box {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    gap: 25px;
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 30px;
    box-shadow: 0 5px 15px rgba(75, 123, 236, 0.3);
}

.feature-content {
    flex-grow: 1;
}

.feature-content h4 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.feature-content p {
    color: var(--text-light);
    line-height: 1.7;
}

.testimonial {
    background-color: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    margin-bottom: 40px;
    position: relative;
}

.testimonial::before {
    content: """;
    position: absolute;
    top: 30px;
    left: 30px;
    font-size: 80px;
    color: rgba(69, 170, 242, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-content {
    font-style: italic;
    margin-bottom: 25px;
    position: relative;
    z-index: 1;
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 20px;
    object-fit: cover;
    border: 3px solid var(--secondary-color);
}

.author-info h4 {
    margin-bottom: 5px;
    color: var(--dark-color);
    font-size: 18px;
}

.author-info p {
    color: var(--text-light);
    font-size: 15px;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    margin: 50px 0;
}

.stat-item {
    text-align: center;
    padding: 40px 30px;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: transform 0.3s;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1;
}

.stat-label {
    color: var(--text-light);
    font-size: 18px;
}

.payment-info {
    margin-top: 40px;
}

.payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 25px;
    margin-top: 25px;
}

.payment-methods img {
    max-width: 200px;
    height: auto;
    border: 1px solid #e0e6ed;
    border-radius: 8px;
    padding: 15px;
    background-color: white;
    box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s;
}

.payment-methods img:hover {
    transform: scale(1.05);
}

.industry-chain {
    margin: 50px 0;
}

.chain-item {
    display: flex;
    margin-bottom: 40px;
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.chain-img {
    flex: 0 0 40%;
    max-width: 40%;
}

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

.chain-content {
    flex: 1;
    padding: 40px;
}

.chain-content h3 {
    margin-top: 0;
}

.chain-content ul {
    margin-left: 20px;
    margin-top: 20px;
}

.chain-content li {
    margin-bottom: 12px;
    position: relative;
    padding-left: 25px;
}

.chain-content li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 10px;
    width: 12px;
    height: 12px;
    background-color: var(--primary-color);
    border-radius: 50%;
}

footer {
    background-color: var(--dark-color);
    color: white;
    padding: 80px 0 40px;
    position: relative;
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 10px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
}

.footer-column h3 {
    color: white;
    font-size: 22px;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
    padding-left: 0;
}

.footer-column h3::before {
    display: none;
}

.footer-column h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background-color: var(--secondary-color);
}

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

.footer-column li {
    margin-bottom: 15px;
}

.footer-column a {
    color: #bbb;
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-column a:hover {
    color: white;
}

.footer-column a i {
    font-size: 18px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 30px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    color: white;
    transition: all 0.3s;
    font-size: 20px;
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-5px);
}

.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    z-index: 99;
    font-size: 24px;
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    transform: translateY(-5px);
}

.tab-container {
    margin: 40px 0;
}

.tab-header {
    display: flex;
    border-bottom: 1px solid #e0e6ed;
    margin-bottom: 30px;
}

.tab-btn {
    padding: 15px 30px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    color: var(--text-light);
    position: relative;
    transition: all 0.3s;
}

.tab-btn.active {
    color: var(--primary-color);
    font-weight: 500;
}

.tab-btn.active::after {
    content: "";
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
}

.spec-table th, .spec-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e0e6ed;
}

.spec-table th {
    background-color: #f8fafc;
    color: var(--dark-color);
    font-weight: 500;
}

.spec-table tr:hover td {
    background-color: #f8fafc;
}

@media (max-width: 1200px) {
    .chain-item {
        flex-direction: column;
    }
    .chain-img {
        flex: 1;
        max-width: 100%;
    }
    nav a {
        padding: 18px 22px;
    }
}

@media (max-width: 992px) {
    .logo {
        font-size: 40px;
    }
    .slogan {
        font-size: 20px;
    }
    .section-title h2 {
        font-size: 32px;
    }
    .feature-box {
        flex-direction: column;
        text-align: center;
    }
    .feature-icon {
        margin-right: 0;
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    .logo {
        font-size: 36px;
    }
    .slogan {
        font-size: 18px;
    }
    nav a {
        padding: 15px 18px;
        font-size: 15px;
    }
    .section-title h2 {
        font-size: 28px;
    }
    .product-list {
        grid-template-columns: 1fr;
    }
    .quick-contact a {
        padding: 10px 20px;
        font-size: 15px;
    }
    .testimonial {
        padding: 30px;
    }
    .tab-header {
        flex-wrap: wrap;
    }
    .tab-btn {
        padding: 12px 20px;
        font-size: 16px;
    }
}



        .ad-label {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #ff6b6b;
    color: white;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 12px;
    font-weight: bold;
}

.ad-label {
            position: absolute;
            top: 10px;
            right: 10px;
            background-color: rgba(0, 0, 0, 0.6);
            color: white;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: bold;
        }