/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFangSC-Regular', 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
    padding-top: 80px;
}

/* 容器样式 */
.container {
    width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 标题样式 */
h1, h2, h3, h4 {
    font-family: 'AlibabaPuHuiTiB', 'Helvetica Neue', Arial, sans-serif;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
}

/* 顶部导航栏 */
.top-header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.top-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.top-header .logo img {
    height: 40px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav ul li {
    margin: 0 20px;
}

.main-nav ul li a {
    font-size: 16px;
    color: #333;
    position: relative;
    padding: 10px 0;
    line-height: 20px;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
    color: #FF5A00;
}

.main-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #F94100;
    transition: width 0.3s ease;
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
    width: 100%;
}

.contact-info .tel-link {
    display: flex;
    align-items: center;
    font-size: 16px;
    color: #F94100;
    font-weight: 600;
}

.contact-info .tel-link img {
    width: 20px;
    margin-right: 8px;
}

/* Banner样式 */
.banner {
    height: 460px;
    position: relative;
    width: 100%;
    max-width: 1920px;
    overflow: hidden;
    z-index: 10;
    margin: 0 auto 0;
    padding-top: 0;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.banner-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.banner-text {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    color: #fff;
    max-width: 600px;
}

.banner-content h1 {
    font-size: 56px;
    margin-bottom: 10px;
    letter-spacing: -1px;
}

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

.banner-description {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.9;
}

/* 政策法规区域背景样式 */
.page-background {
    position: relative;
    z-index: -1;
}

.policy-container {
    position: relative;
}

.page-footer {
    position: relative;
    z-index: 100;
    background-color: #333;
    padding: 20px 0;
}

.policy-content {
    position: relative;
    z-index: 2;
}

.policy-section {
    padding: 0;
    position: relative;
    z-index: 1;
}

.banner-actions {
    display: flex;
    gap: 20px;
}

.btn-primary,
.btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 50px;
    text-align: center;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: #F94100;
    color: #fff;
    border: 2px solid #F94100;
}

.btn-primary:hover {
    background-color: #e83a00;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(249, 65, 0, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}


.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

/* 核心优势 */


.policy-content {
    margin-top: 30px;
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    text-align: center;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.policy-highlight {
    font-size: 20px;
    color: #F32700;
    letter-spacing: 0;
    font-weight: 700;
    margin: 50px auto 0;
    text-align: center;
}

.policy-separator {
    width: 1200px;
    height: 2px;
    background: #F32700;
    margin: 16px auto 0;
}

.policy-document {
    width: 718px;
    height: 26px;
    font-size: 20px;
    color: #F32700;
    letter-spacing: 0;
    font-weight: 700;
    margin: 30px auto 0;
    text-align: center;
}

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

.policy-content p {
    margin-bottom: 16px;
    text-align: left;
    font-size: 16px;
    color: #333333;
    letter-spacing: 0;
    line-height: 28px;
    font-weight: 400;
}

.article-number {
    display: inline-block;
    width: 90px;
    text-align: right;
    font-family: 'AlibabaPuHuiTiB';
}

.core-advantages {
    padding: 80px 0;
    background-color: #fff;
}

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

.policy-section .section-title h2 {
    width: 120px;
    height: 40px;
    font-size: 30px;
    color: #333333;
    letter-spacing: 0;
    font-weight: 700;
    text-align: center;
}

.section-title h2 {
    font-size: 32px;
    color: #333;
    text-align: center;
    margin-bottom: 20px;
}

.header-line {
    width: 80px;
    height: 4px;
    background-color: #F94100;
    margin: 0 auto;
}

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

.advantage-card {
    text-align: center;
    padding: 30px 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    margin-bottom: 20px;
}

.advantage-icon img {
    width: 80px;
    height: 80px;
}

.advantage-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #333;
}

.advantage-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.6;
}

/* 服务领域 */
.service-domains {
    padding: 100px 0;
    background-color: #f8f9fa;
}

.service-areas .section-title p {
    margin-top: 20px;
    font-size: 18px;
    color: #666;
}

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

.domain-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.area-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.area-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.area-item:hover img {
    transform: scale(1.05);
}

.area-item h3 {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(249, 65, 0, 0.9);
    color: #fff;
    padding: 15px;
    text-align: center;
    font-size: 18px;
    margin: 0;
}

/* 合作伙伴 */
.partners-section {
    padding: 100px 0;
    background-color: #fff;
}

.partners-logos {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    align-items: center;
    justify-items: center;
}

.partners-list img {
    max-width: 150px;
    max-height: 80px;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.partners-list img:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* 移动端展示 */
.mobile-promo {
    padding: 100px 0;
    background-color: #f8f9fa;
    text-align: center;
}

.showcase-content h2 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #333;
}

.showcase-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.download-btn img {
    max-width: 200px;
    transition: all 0.3s ease;
}

.download-btn:hover img {
    transform: scale(1.05);
}

/* 底部信息 */
.page-footer {
    background: #242424;
    max-width: 100%;
    height: 80px;
}

.footer-wrapper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    text-align: left;
}

.footer-logo img {
    height: 60px;
    margin-bottom: 20px;
}

.footer-logo p {
    font-size: 16px;
    color: #ccc;
}

.footer-navigation h4,
.footer-contact h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: #F94100;
}

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

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

.footer-links ul li a {
    color: #ccc;
    font-size: 16px;
}

.footer-links ul li a:hover {
    color: #F94100;
    padding-left: 5px;
}

.contact-detail {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.contact-item img {
    width: 20px;
    margin-right: 15px;
    filter: invert(1);
    opacity: 0.7;
}

.contact-item span {
    color: #ccc;
    font-size: 16px;
}

.footer-copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #555;
}

.footer-bottom p {
    font-size: 14px;
    color: #999;
}

/* 动画效果 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 滚动动画 */
.banner-content h1,
.banner-content p,
.banner-desc,
.banner-buttons {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.banner-content h1 {
    animation-delay: 0.2s;
}

.banner-content p {
    animation-delay: 0.4s;
}

.banner-desc {
    animation-delay: 0.6s;
}

.banner-buttons {
    animation-delay: 0.8s;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        width: 100%;
    }
    
    .advantages-list,
    .partners-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .areas-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .banner {
    height: 460px;
    }
    
    .banner-content h1 {
        font-size: 48px;
    }
    
    .banner-content p {
        font-size: 24px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .top-header .container {
        flex-direction: column;
        height: auto;
        padding: 20px;
    }
    
    .main-nav ul {
        margin: 20px 0;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .main-nav ul li {
        margin: 10px;
    }
    
    .banner {
        height: 500px;
        margin-top: 180px;
    }
    
    .banner-content {
        left: 5%;
        right: 5%;
    }
    
    .banner-content h1 {
        font-size: 36px;
    }
    
    .banner-content p {
        font-size: 20px;
    }
    
    .advantages-list,
    .areas-grid,
    .partners-list,
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .banner-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 200px;
    }
}

@media (max-width: 480px) {
    .banner {
        height: 400px;
    }
    
    .banner-content h1 {
        font-size: 28px;
    }
    
    .banner-content p {
        font-size: 18px;
    }
    
    .banner-desc {
        font-size: 14px;
    }
}