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

body {
    font-family: 'Source Han Sans', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #262626;
    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;
}

.section-title {
    text-align: center;
    font-size: 28px;
    margin-bottom: 40px;
    color: #333;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #3569d6; /* 赫兹主色 */
    margin: 10px auto 0;
}

/* 导航栏 */
.navbar {
    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;
    padding: 15px 0;
}

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

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

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo span {
    font-size: 20px;
    font-weight: bold;
    color: #3569d6; /* 赫兹主色 */
}

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

.nav-links a {
    font-size: 16px;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: #3569d6; /* 赫兹主色 */
}

/* 英雄区域 */
.hero {
    padding: 120px 0 80px;
    background-color: #f0f5ff;
    margin-top: 70px;
}

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

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-content h2 {
    font-size: 38px;
    margin-bottom: 20px;
    color: #3569d6; /* 赫兹主色 */
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    color: #666;
}

.cta-button {
    background-color: #3569d6; /* 赫兹主色 */
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 16px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #2a54b3;
}

.hero-image {
    flex: 1;
    text-align: center;
}

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

/* 服务区域 */
.services {
    padding: 80px 0;
    background-color: #fff;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: #fff;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.service-card img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #3569d6; /* 赫兹主色 */
}

.service-card p {
    color: #666;
    font-size: 14px;
}

/* 威客模式区域 */
.process {
    padding: 80px 0;
    background-color: #f5f7fa;
}

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

.weike-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    margin-bottom: 60px;
}

/* 威客图表布局 */
.weike-diagram {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    display: inline-block;
}

.weike-bg-image {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 文字覆盖层 */
.text-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

/* 文字标签通用样式 */
.text-label {
    position: absolute;
    text-align: center;
    font-size: 30px;
    color: #333;
}

.text-label h4 {
    font-size: 16px;
    font-weight: bold;
    margin: 0 0 8px 0;
    color: #333;
}

.text-label h3 {
    font-size: 20px;
    font-weight: bold;
    margin: 0 0 8px 0;
    color: white;
}

.text-label p {
    font-size: 12px;
    line-height: 1.4;
    margin: 0;
    color: #666;
}

/* 文字位置 */
.text-top-left {
    top: 25%;
    left: -25%;
    width: 180px;
}

.text-top-right {
    top: 25%;
    right: -25%;
    width: 180px;
}

.text-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120px;
}

.text-center p {
    color: white;
    opacity: 0.9;
}

.text-bottom-left {
    bottom: 25%;
    left: -25%;
    width: 180px;
}

.text-bottom-right {
    bottom: 25%;
    right: -25%;
    width: 180px;
}





/* 关于我们 */
.about {
    padding: 80px 0;
    background-color: #f9f9f9;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.about-text {
    flex: 1;
}

.about-text p {
    font-size: 16px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

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

.stat-item h3 {
    font-size: 36px;
    color: #3569d6; /* 赫兹主色 */
    margin-bottom: 10px;
}

.stat-item p {
    font-size: 14px;
    color: #666;
    margin-bottom: 0;
}

.about-image {
    flex: 1;
    text-align: center;
}

/* 合作案例 */
.cases {
    padding: 80px 0;
    background-color: #fff;
}

.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-item {
    background-color: #f9f9f9;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.case-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.case-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #ddd;
    margin-right: 15px;
}

.case-info h4 {
    font-size: 18px;
    margin-bottom: 5px;
}

.case-rating {
    color: #ffc107;
}

.case-content {
    margin-bottom: 20px;
}

.case-content p {
    color: #666;
    line-height: 1.6;
}





/* 页脚 */
footer {
    background-color: #262626;
    color: #fff;
    padding: 60px 0 20px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
}

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

.footer-logo img {
    height: 40px;
    margin-right: 10px;
}

.footer-logo h3 {
    font-size: 20px;
}

.footer-contact p {
    margin-bottom: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-links a {
    font-size: 24px;
    color: #fff;
    transition: color 0.3s;
}

.social-links a:hover {
    color: #3569d6; /* 赫兹主色 */
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: #3569d6; /* 赫兹主色 */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}

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

.back-to-top img {
    width: 20px;
    height: 20px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero .container,
    .about-content {
        flex-direction: column;
    }
    
    .hero-content,
    .about-text {
        width: 100%;
        margin-bottom: 30px;
    }
    
    .hero-content {
        padding-right: 0;
        text-align: center;
    }
    
    .service-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .case-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .weike-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .weike-diagram {
        max-width: 600px;
    }
    
    .text-label h4 {
        font-size: 14px;
    }
    
    .text-label h3 {
        font-size: 16px;
    }
    
    .text-label p {
        font-size: 11px;
    }
    
    .text-top-left,
    .text-top-right,
    .text-bottom-left,
    .text-bottom-right {
        width: 140px;
    }
    
    .text-center {
        width: 100px;
    }
    
    /* 业务闭环响应式 */
    .business-title {
        font-size: 28px;
    }
    
    .business-stats {
        gap: 30px;
        flex-wrap: wrap;
    }
    
    .business-text-label {
        max-width: 160px;
        padding: 15px;
    }
    
    .business-text-label h4 {
        font-size: 14px;
    }
    
    .business-text-label p {
        font-size: 11px;
    }
    
    .business-text-label li {
        font-size: 10px;
    }
    
    .business-left {
        left: 5%;
    }
    
    .business-right {
        right: 5%;
    }
    
    .guarantee-stats {
        gap: 40px;
        flex-wrap: wrap;
    }
    
    /* 全周期服务响应式 */
    .full-cycle-service {
        padding: 60px 0;
        background-color: #f0f5ff;
    }
    
    .cycle-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .cycle-item {
        padding: 30px 20px;
    }
    
    .cycle-icon {
        width: 70px;
        height: 70px;
        font-size: 24px;
        margin-bottom: 20px;
    }
    
    .cycle-item h3 {
        font-size: 20px;
        margin-bottom: 20px;
    }
    
    .cycle-item li {
        font-size: 14px;
        margin-bottom: 10px;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
    }
    
    .logo {
        margin-bottom: 15px;
    }
    
    .nav-links {
        gap: 15px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .hero-content h2 {
        font-size: 32px;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .weike-title {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    .weike-diagram {
        width: 100%;
        max-width: 400px;
        height: 400px;
        transform: scale(0.8);
    }
    

    
    /* 业务闭环移动端响应式 */
    .business-title {
        font-size: 28px;
    }
    
    .business-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .business-diagram {
        transform: scale(0.9);
    }
    
    .business-text-label {
        max-width: 140px;
        padding: 12px;
    }
    
    .business-text-label h4 {
        font-size: 12px;
    }
    
    .business-text-label p {
        font-size: 10px;
    }
    
    .business-text-label li {
        font-size: 9px;
    }
    
    .business-left {
        left: 2%;
        top: 18%;
    }
    
    .business-center {
        max-width: 200px;
        top: calc(42% - 210px);
    }
    
    .business-right {
        right: 2%;
        top: 18%;
    }
    
    .guarantee-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .guarantee-value {
        font-size: 24px;
    }
    
    /* 全周期服务移动端 */
    .full-cycle-service {
        padding: 50px 0;
        background-color: #f0f5ff;
    }
    
    .service-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
        padding: 0 20px;
    }
    
    .cycle-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 20px;
    }
    
    .cycle-item {
        padding: 25px 20px;
        border-radius: 15px;
    }
    
    .cycle-icon {
        width: 60px;
        height: 60px;
        font-size: 20px;
        margin-bottom: 15px;
    }
    
    .cycle-item h3 {
        font-size: 18px;
        margin-bottom: 15px;
    }
    
    .cycle-item h3::after {
        width: 30px;
        height: 2px;
    }
    
    .cycle-item li {
        font-size: 13px;
        margin-bottom: 8px;
        padding-left: 20px;
    }
    
    .cycle-item:hover {
        transform: translateY(-5px) scale(1.01);
    }
}

@media (max-width: 576px) {
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    /* 业务闭环小屏幕响应式 */
    .business-title {
        font-size: 24px;
    }
    
    .business-diagram {
        transform: scale(0.8);
    }
    
    .business-text-label {
        max-width: 120px;
        padding: 10px;
    }
    
    .business-text-label h4 {
        font-size: 11px;
    }
    
    .business-text-label p {
        font-size: 9px;
    }
    
    .business-text-label li {
        font-size: 8px;
    }
    
    .business-left {
        left: 1%;
        top: 15%;
    }
    
    .business-center {
        max-width: 160px;
        top: calc(40% - 210px);
    }
    
    .business-right {
        right: 1%;
        top: 15%;
    }
    
    .center-button{
        padding: 8px 12px ;
        margin-top: 400px;
        font-size: 12px ;
        background-color: transparent;
        color: white;
    }
    
    .stat-value {
        font-size: 28px;
    }
    
    .guarantee-value {
        font-size: 20px;
    }
}


/* 业务闭环样式 */
.business-loop {
    padding: 80px 0;
    background-color: #f0f5ff;
}

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

.business-title {
    font-size: 28px;
    font-weight: bold;
    color: #262626;
    margin-bottom: 10px;
}

.business-subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 50px;
}

/* 统计数据 */
.business-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-bottom: 60px;
}

.stat-box {
    background: white;
    border-radius: 8px;
    padding: 20px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    min-width: 150px;
}

.stat-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: bold;
    color: #356bd6;
}

.stat-unit {
    font-size: 18px;
    color: #356bd6;
}

/* 业务流程图 */
.business-diagram {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

.business-bg-image {
    width: 100%;
    max-width: 1200px;
    height: auto;
    display: block;
}

.business-text-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.business-text-label {
    position: absolute;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 200px;
    text-align: left;
}

.business-text-label h4 {
    font-size: 16px;
    font-weight: bold;
    color: #356bd6;
    margin: 0 0 8px 0;
}

.business-text-label p {
    font-size: 12px;
    color: #666;
    margin: 0 0 10px 0;
}

.business-text-label ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.business-text-label li {
    font-size: 11px;
    color: #333;
    margin-bottom: 4px;
    padding-left: 12px;
    position: relative;
}

.business-text-label li:before {
    content: "•";
    color: #356bd6;
    position: absolute;
    left: 0;
}

/* 文字位置 */
.business-left {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
    top: 20%;
    left: 8%;
}

.business-center {
    top: calc(50% - 210px);
    left: 50%;
    transform: translateX(-50%);
    background: transparent;
    color: #356bd6;
    text-align: center;
    max-width: 280px;
    border-radius: 0;
    box-shadow: none;
}

.business-center .center-button {
    background: transparent;
    color: white;
    padding: 15px 30px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
    display: inline-block;
}

.business-center p {
    color: #666;
    opacity: 1;
    font-size: 14px;
    margin-bottom: 15px;
}

.center-guarantee {
    margin-top: 10px;
}

.guarantee-badge-center {
    display: inline-flex;
    align-items: center;
    background: #356bd6;
    color: white;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 12px;
}

.guarantee-badge-center .guarantee-icon {
    margin-right: 5px;
    font-weight: bold;
}

.business-right {
    top: 20%;
    right: 8%;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
}

/* 保障信息 */
.business-guarantee {
    margin-top: 40px;
    text-align: center;
}

.guarantee-badge {
    display: inline-flex;
    align-items: center;
    background: #356bd6;
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    margin-bottom: 15px;
}

.guarantee-icon {
    margin-right: 8px;
    font-weight: bold;
}

.guarantee-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 20px;
}

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

.guarantee-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.guarantee-value {
    font-size: 32px;
    font-weight: bold;
    color: #356bd6;
}

.guarantee-unit {
    font-size: 16px;
    color: #356bd6;
}

/* 服务介绍样式 */
.services-intro {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 全周期服务样式 */
.full-cycle-service {
    padding: 100px 0;
    background-color: #f0f5ff;
    position: relative;
    overflow: hidden;
}



.service-subtitle {
    text-align: center;
    font-size: 18px;
    color: #666;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cycle-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
    position: relative;
    z-index: 1;
}

.cycle-item {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(53, 107, 214, 0.1);
    transition: all 0.4s ease;
    position: relative;
    border: 2px solid transparent;
    backdrop-filter: blur(10px);
}

.cycle-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 60px rgba(53, 107, 214, 0.2);
    border-color: rgba(53, 107, 214, 0.3);
}

.cycle-item::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #356bd6, #4a7de8, #5b8ef0);
    border-radius: 22px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.cycle-item:hover::before {
    opacity: 0.1;
}

.cycle-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #356bd6 0%, #4a7de8 50%, #5b8ef0 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    margin: 0 auto 25px;
    box-shadow: 0 8px 25px rgba(53, 107, 214, 0.3);
    position: relative;
}

.cycle-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: linear-gradient(135deg, #356bd6, #4a7de8);
    z-index: -1;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.7;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.cycle-item h3 {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 22px;
    font-weight: 600;
    position: relative;
}

.cycle-item h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #356bd6, #4a7de8);
    border-radius: 2px;
}

.cycle-item ul {
    text-align: left;
    padding-left: 0;
    margin: 0;
}

.cycle-item li {
    color: #555;
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    font-size: 15px;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.cycle-item li:before {
    content: '✓';
    color: #356bd6;
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 14px;
    top: 1px;
}

.cycle-item:hover li {
    color: #333;
}

/* 流程连接线效果 */
@media (min-width: 1200px) {
    .cycle-grid {
        position: relative;
    }
    
    .cycle-grid::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 0;
        right: 0;
        height: 2px;
        background: linear-gradient(90deg, transparent 0%, #356bd6 25%, #356bd6 75%, transparent 100%);
        z-index: 0;
        opacity: 0.3;
    }
}

/* 质量保障体系样式 */
.quality-assurance {
    margin: 40px 0;
}

.quality-assurance h3 {
    color: #333;
    margin-bottom: 25px;
    font-size: 22px;
}

.assurance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.assurance-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #356bd6;
}

.assurance-item h4 {
    color: #356bd6;
    margin-bottom: 10px;
    font-size: 16px;
}

.assurance-item p {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .cycle-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .assurance-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .cycle-item {
        padding: 20px;
    }
    
    .services-intro,
    .service-subtitle {
        font-size: 14px;
        margin-bottom: 30px;
    }
}

/* 友情链接 */
.friend-links {
    text-align: center;
    margin-bottom: 30px;
}

.friend-links h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #fff;
}

.links-container {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.links-container a {
    color: #ccc;
    transition: color 0.3s;
}

.links-container a:hover {
    color: #3569d6; /* 赫兹主色 */
}