@charset "UTF-8";

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #ee5a5a 0%, #d64545 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(238, 90, 90, 0.3);
}

.btn-wechat {
    background: linear-gradient(135deg, #07c160 0%, #06ad56 100%);
    color: #fff;
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    padding: 15px 25px;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 4px 20px rgba(7, 193, 96, 0.4);
}

.btn-wechat:hover {
    background: linear-gradient(135deg, #06ad56 0%, #059a4c 100%);
    transform: translateY(-50%) scale(1.05);
}

.btn-mobile {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    background: linear-gradient(135deg, #07c160 0%, #06ad56 100%);
    color: #fff;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 30px;
    box-shadow: 0 4px 20px rgba(7, 193, 96, 0.4);
}

header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-top {
    background: #2c3e50;
    color: #fff;
    padding: 8px 0;
    font-size: 14px;
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-main {
    padding: 15px 0;
}

.header-main .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

.logo-text span {
    color: #ee5a5a;
}

nav ul {
    display: flex;
    gap: 40px;
}

nav a {
    font-size: 16px;
    color: #333;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #ee5a5a;
    transition: width 0.3s ease;
}

nav a:hover::after,
nav a.active::after {
    width: 100%;
}

nav a:hover,
nav a.active {
    color: #ee5a5a;
}

.banner {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    padding: 100px 0;
    color: #fff;
    text-align: center;
}

.banner h1 {
    font-size: 48px;
    margin-bottom: 20px;
    font-weight: 700;
}

.banner p {
    font-size: 20px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.banner .btn {
    margin: 0 10px;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
}

.section-title p {
    font-size: 16px;
    color: #666;
}

.section-title .line {
    width: 60px;
    height: 3px;
    background: #ee5a5a;
    margin: 20px auto;
}

.services {
    background: #fff;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-item {
    text-align: center;
    padding: 40px 20px;
    border: 1px solid #eee;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.service-item:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
    border-color: #ee5a5a;
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: #fff;
}

.service-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c3e50;
}

.service-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.8;
}

.about-preview {
    background: #f9f9f9;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 28px;
    color: #2c3e50;
    margin-bottom: 20px;
}

.about-text p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 48px;
    font-weight: bold;
    color: #ee5a5a;
}

.stat-label {
    color: #666;
    font-size: 14px;
}

.news-section {
    background: #fff;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.news-item {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-item:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.news-image {
    height: 200px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 48px;
}

.news-content {
    padding: 25px;
}

.news-date {
    color: #ee5a5a;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-title {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 600;
}

.news-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

.cta-section {
    background: linear-gradient(135deg, #ee5a5a 0%, #d64545 100%);
    padding: 80px 0;
    text-align: center;
    color: #fff;
}

.cta-section h2 {
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-section .btn {
    background: #fff;
    color: #ee5a5a;
}

.cta-section .btn:hover {
    background: #f5f5f5;
}

footer {
    background: #2c3e50;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-about h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.footer-about p {
    color: #bdc3c7;
    line-height: 1.8;
}

.footer-links h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #bdc3c7;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #ee5a5a;
}

.footer-bottom {
    border-top: 1px solid #34495e;
    padding-top: 20px;
    text-align: center;
    color: #bdc3c7;
    font-size: 14px;
}

.breadcrumb {
    background: #f9f9f9;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.breadcrumb a {
    color: #666;
}

.breadcrumb a:hover {
    color: #ee5a5a;
}

.breadcrumb span {
    color: #999;
}

.breadcrumb .current {
    color: #ee5a5a;
}

.page-banner {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    padding: 80px 0;
    text-align: center;
    color: #fff;
}

.page-banner h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-banner p {
    font-size: 18px;
    opacity: 0.9;
}

.about-detail {
    background: #fff;
}

.about-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.about-detail-text h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 20px;
}

.about-detail-text p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.8;
}

.about-features {
    margin-top: 40px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 25px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    flex-shrink: 0;
}

.feature-text h4 {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 5px;
}

.feature-text p {
    color: #666;
    font-size: 14px;
}

.team-section {
    background: #f9f9f9;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.team-item {
    background: #fff;
    padding: 30px;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.team-avatar {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 40px;
}

.team-item h4 {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 5px;
}

.team-item p {
    color: #666;
    font-size: 14px;
}

.contact-section {
    background: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    flex-shrink: 0;
}

.contact-text h4 {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 5px;
}

.contact-text p {
    color: #666;
}

.contact-form {
    background: #f9f9f9;
    padding: 40px;
    border-radius: 8px;
}

.contact-form h3 {
    font-size: 24px;
    color: #2c3e50;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ee5a5a;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.news-list-section {
    background: #fff;
}

.news-list {
    display: grid;
    gap: 30px;
}

.news-list-item {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-list-item:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.news-list-image {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 48px;
    min-height: 200px;
}

.news-list-content {
    padding: 30px;
}

.news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: #999;
}

.news-meta span {
    color: #ee5a5a;
}

.news-list-title {
    font-size: 22px;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.news-list-desc {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.read-more {
    color: #ee5a5a;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.read-more:hover {
    gap: 10px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.pagination a {
    padding: 10px 20px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #666;
    transition: all 0.3s ease;
}

.pagination a:hover,
.pagination a.active {
    background: #ee5a5a;
    color: #fff;
    border-color: #ee5a5a;
}

.news-detail-section {
    background: #fff;
}

.news-detail-content {
    max-width: 900px;
    margin: 0 auto;
}

.news-detail-header {
    text-align: center;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #eee;
}

.news-detail-title {
    font-size: 32px;
    color: #2c3e50;
    margin-bottom: 20px;
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: #999;
    font-size: 14px;
}

.news-detail-body {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
}

.news-detail-body p {
    margin-bottom: 20px;
}

.news-detail-body h3 {
    font-size: 24px;
    color: #2c3e50;
    margin: 40px 0 20px;
}

.news-detail-body ul {
    list-style: disc;
    padding-left: 30px;
    margin-bottom: 20px;
}

.news-detail-body li {
    margin-bottom: 10px;
}

.products-section {
    background: #fff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-item {
    border: 1px solid #eee;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.product-item:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.product-image {
    height: 220px;
    background: linear-gradient(135deg, #ee5a5a 0%, #d64545 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 64px;
}

.product-content {
    padding: 30px;
}

.product-title {
    font-size: 20px;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 600;
}

.product-desc {
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
}

.product-features {
    margin-bottom: 20px;
}

.product-features li {
    padding: 8px 0;
    border-bottom: 1px dashed #eee;
    color: #666;
    font-size: 14px;
}

.product-features li:last-child {
    border-bottom: none;
}

.process-section {
    background: #f9f9f9;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.process-item {
    text-align: center;
    position: relative;
}

.process-item::after {
    content: '';
    position: absolute;
    top: 40px;
    right: -10px;
    width: 20px;
    height: 2px;
    background: #ddd;
}

.process-item:last-child::after {
    display: none;
}

.process-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ee5a5a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    font-weight: bold;
    color: #fff;
}

.process-item h4 {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 10px;
}

.process-item p {
    color: #666;
    font-size: 14px;
}

.advantage-section {
    background: #fff;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-item {
    text-align: center;
    padding: 40px 20px;
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #fff;
}

.advantage-item h4 {
    font-size: 18px;
    color: #2c3e50;
    margin-bottom: 10px;
}

.advantage-item p {
    color: #666;
    font-size: 14px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: #333;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .header-top {
        display: none;
    }

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

    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: #fff;
        transition: left 0.3s ease;
        z-index: 99;
    }

    nav.active {
        left: 0;
    }

    nav ul {
        flex-direction: column;
        padding: 30px;
        gap: 20px;
    }

    .banner {
        padding: 60px 0;
    }

    .banner h1 {
        font-size: 28px;
    }

    .banner p {
        font-size: 16px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title h2 {
        font-size: 24px;
    }

    .service-grid,
    .news-grid,
    .products-grid,
    .team-grid,
    .advantage-grid {
        grid-template-columns: 1fr;
    }

    .about-content,
    .about-detail-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .news-list-item {
        grid-template-columns: 1fr;
    }

    .news-list-image {
        min-height: 150px;
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .process-item::after {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .btn-wechat {
        display: none;
    }

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

    .page-banner h1 {
        font-size: 28px;
    }

    .news-detail-title {
        font-size: 22px;
    }

    .contact-form {
        padding: 25px;
    }
}