/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "SF Pro Text", "SF Pro Icons", "Helvetica Neue", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    -webkit-font-smoothing: antialiased;
    padding-top: 70px; /* 为固定导航栏留出空间 */
}

/* 导航栏基础样式 */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: all 0.3s ease;
    height: 70px;
    display: flex;
    align-items: center;
}

header.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.nav-menu {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
    flex-wrap: nowrap; /* 防止换行 */
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
    height: 100%;
    flex-shrink: 0; /* 防止logo缩小 */
}

.logo-container a {
    font-size: 24px;
    color: #1d1d1f;
    text-decoration: none;
    font-weight: 600;
    white-space: nowrap; /* 防止文字换行 */
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px; /* 减小间距 */
    height: 100%;
    flex-wrap: nowrap; /* 防止换行 */
}

.nav-links a {
    color: #1d1d1f;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 12px; /* 减小内边距 */
    border-radius: 20px;
    transition: all 0.3s ease;
    white-space: nowrap; /* 防止文字换行 */
}

.nav-links a:hover {
    color: #0071e3;
    background: rgba(0, 113, 227, 0.1);
    transform: translateY(-2px);
}

/* 导航栏样式 */
.global-nav {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    height: 44px;
    transition: transform 0.3s ease;
}

.nav-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 22px;
}

.logo a {
    font-size: 24px;
    color: #000;
    text-decoration: none;
    font-weight: 600;
    letter-spacing: -0.5px;
}

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

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

.nav-items a {
    color: #1d1d1f;
    text-decoration: none;
    font-size: 14px;
    opacity: 0.8;
    transition: all 0.3s;
    position: relative;
}

.nav-items a:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #0071e3;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.nav-items a:hover {
    opacity: 1;
}

.nav-items a:hover:after {
    transform: scaleX(1);
}

/* 英雄区域样式 */
.hero {
    background-color: #fbfbfd;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: 44px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0071e3 0%, #00c6fb 100%);
    opacity: 0.1;
    z-index: 1;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 64px;
    font-weight: 700;
    letter-spacing: -0.005em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #1d1d1f 0%, #0071e3 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 28px;
    color: #86868b;
    margin-bottom: 40px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.cta-button {
    display: inline-block;
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 30px;
    font-size: 17px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.cta-button.primary {
    background: #0071e3;
    color: #fff;
}

.cta-button.primary:hover {
    background: #0077ed;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.3);
}

.cta-button.secondary {
    background: rgba(0, 113, 227, 0.1);
    color: #0071e3;
}

.cta-button.secondary:hover {
    background: rgba(0, 113, 227, 0.2);
    transform: translateY(-2px);
}

/* 特性区域样式 */
.features {
    padding: 100px 20px;
    background: #fff;
}

.features-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.feature-item {
    text-align: center;
    padding: 40px;
    border-radius: 20px;
    background: #fff;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-item i {
    font-size: 48px;
    color: #0071e3;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.feature-item p {
    color: #86868b;
    font-size: 17px;
}

/* 公司介绍区域 */
.company-intro {
    padding: 100px 20px;
    background: #f5f5f7;
}

.intro-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.intro-content h2 {
    font-size: 48px;
    margin-bottom: 60px;
    color: #1d1d1f;
}

.intro-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.intro-item {
    padding: 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.intro-item .number {
    font-size: 48px;
    font-weight: 700;
    color: #0071e3;
    display: block;
    margin-bottom: 10px;
}

.intro-item p {
    font-size: 18px;
    color: #86868b;
}

/* 新闻区域样式 */
.news-section {
    padding: 100px 20px;
    background: #fff;
}

.news-content {
    max-width: 1200px;
    margin: 0 auto;
}

.news-content h2 {
    font-size: 48px;
    margin-bottom: 60px;
    text-align: center;
    color: #1d1d1f;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.news-item {
    padding: 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.news-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.news-date {
    font-size: 14px;
    color: #86868b;
    margin-bottom: 15px;
}

.news-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.news-item p {
    color: #86868b;
    margin-bottom: 20px;
}

.read-more {
    color: #0071e3;
    text-decoration: none;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.read-more:hover {
    gap: 12px;
}

/* 页脚样式 */
footer {
    background: #f5f5f7;
    padding: 80px 20px 40px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 60px;
}

.footer-section h4 {
    font-size: 20px;
    margin-bottom: 25px;
    color: #1d1d1f;
}

.company-info p {
    color: #86868b;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.company-info i {
    color: #0071e3;
}

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

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

.footer-links a {
    color: #86868b;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #0071e3;
}

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

.social-links a {
    color: #86868b;
    font-size: 24px;
    transition: all 0.3s;
}

.social-links a:hover {
    color: #0071e3;
    transform: translateY(-3px);
}

.footer-bottom {
    max-width: 1200px;
    margin: 40px auto 0;
    padding-top: 20px;
    border-top: 1px solid #d2d2d7;
    text-align: center;
    color: #86868b;
    font-size: 12px;
}

/* 页面通用英雄区域样式 */
.page-hero {
    background-color: #fbfbfd;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #0071e3 0%, #00c6fb 100%);
    opacity: 0.9;
    margin-top: -70px; /* 抵消body的padding-top */
    padding: 100px 20px;
}

.page-hero .hero-content {
    color: #fff;
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

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

.page-hero p {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    header {
        height: 60px;
    }

    .page-hero {
        min-height: 300px;
        margin-top: -60px;
        padding: 80px 20px;
    }

    .page-hero h1 {
        font-size: 32px;
    }

    .page-hero p {
        font-size: 18px;
    }
}

/* 解决方案页面样式 */
.solutions-grid {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.solution-item {
    display: flex;
    margin-bottom: 60px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    padding: 40px;
    transition: all 0.3s ease;
}

.solution-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.solution-icon {
    flex: 0 0 100px;
    text-align: center;
}

.solution-icon i {
    font-size: 48px;
    color: #0071e3;
}

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

.solution-content h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #1d1d1f;
}

.solution-content p {
    font-size: 17px;
    color: #86868b;
    margin-bottom: 20px;
}

.solution-content ul {
    list-style: none;
    margin-bottom: 30px;
}

.solution-content ul li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.solution-content ul li:before {
    content: '•';
    color: #0071e3;
    font-size: 20px;
    position: absolute;
    left: 0;
}

.solution-cta {
    display: inline-block;
    padding: 12px 30px;
    background: #0071e3;
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.solution-cta:hover {
    background: #0077ed;
    transform: translateY(-2px);
}

/* 案例研究区域 */
.case-studies {
    background: #f5f5f7;
    padding: 80px 20px;
}

.case-studies h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.case-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
}

.case-item {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.case-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.case-content {
    padding: 30px;
}

.case-content h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.case-content p {
    color: #86868b;
    line-height: 1.6;
}

/* 关于我们页面样式 */
.company-story {
    padding: 80px 20px;
    background: #fff;
}

.story-content {
    max-width: 1200px;
    margin: 0 auto;
}

.story-content h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

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

.story-text p {
    font-size: 18px;
    color: #86868b;
    margin-bottom: 20px;
    line-height: 1.8;
}

.story-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* 价值观部分 */
.values {
    padding: 80px 20px;
    background: #f5f5f7;
}

.values h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.values-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.value-item {
    text-align: center;
    padding: 40px 20px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.value-item i {
    font-size: 40px;
    color: #0071e3;
    margin-bottom: 20px;
}

.value-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.value-item p {
    color: #86868b;
}

/* 团队部分 */
.team {
    padding: 80px 20px;
    background: #fff;
}

.team h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.team-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.team-member {
    text-align: center;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.team-member img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.team-member h3 {
    font-size: 24px;
    margin: 20px 0 10px;
    color: #1d1d1f;
}

.team-member .position {
    color: #0071e3;
    font-weight: 500;
    margin-bottom: 10px;
}

.team-member .description {
    color: #86868b;
    padding: 0 20px 20px;
    line-height: 1.6;
}

/* 发展历程 */
.milestones {
    padding: 80px 20px;
    background: #f5f5f7;
}

.milestones h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline:before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: #0071e3;
}

.timeline-item {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 40px;
    position: relative;
}

.timeline-item .year {
    background: #0071e3;
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.timeline-item .event {
    background: #fff;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    width: 45%;
    margin-top: 60px;
}

.timeline-item:nth-child(odd) .event {
    margin-right: 55%;
}

.timeline-item:nth-child(even) .event {
    margin-left: 55%;
}

.event h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.event p {
    color: #86868b;
    line-height: 1.6;
}

/* 支持页面样式 */
.support-channels {
    padding: 80px 20px;
    background: #fff;
}

.support-channels h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.channels-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.channel-item {
    text-align: center;
    padding: 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.channel-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.channel-item i {
    font-size: 48px;
    color: #0071e3;
    margin-bottom: 20px;
}

.channel-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.channel-item p {
    color: #86868b;
    margin-bottom: 10px;
}

.channel-item .contact {
    color: #0071e3;
    font-weight: 500;
    font-size: 18px;
}

.chat-button {
    display: inline-block;
    padding: 12px 30px;
    background: #0071e3;
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-button:hover {
    background: #0077ed;
    transform: translateY(-2px);
}

/* FAQ 部分 */
.faq {
    padding: 80px 20px;
    background: #f5f5f7;
}

.faq h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.faq-question {
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h3 {
    font-size: 20px;
    color: #1d1d1f;
}

.faq-question i {
    color: #0071e3;
    transition: transform 0.3s ease;
}

.faq-answer {
    display: none;
    padding: 0 30px 20px;
    color: #86868b;
    line-height: 1.6;
}

.faq-answer ul, .faq-answer ol {
    margin-left: 20px;
    margin-top: 10px;
}

.faq-answer li {
    margin-bottom: 5px;
}

/* 联系我们页面样式 */
.contact-info {
    padding: 80px 20px;
    background: #fff;
}

.info-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.info-item {
    text-align: center;
    padding: 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.info-item i {
    font-size: 48px;
    color: #0071e3;
    margin-bottom: 20px;
}

.info-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.info-item p {
    color: #86868b;
    margin-bottom: 5px;
}

/* 联系表单 */
.contact-form {
    padding: 80px 20px;
    background: #f5f5f7;
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 60px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.form-container h2 {
    font-size: 32px;
    margin-bottom: 10px;
    color: #1d1d1f;
}

.form-container > p {
    color: #86868b;
    margin-bottom: 40px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #1d1d1f;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #d2d2d7;
    border-radius: 10px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #0071e3;
    outline: none;
}

.submit-button {
    background: #0071e3;
    color: #fff;
    border: none;
    padding: 15px 40px;
    border-radius: 30px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-button:hover {
    background: #0077ed;
    transform: translateY(-2px);
}

/* 地图部分 */
.map-section {
    padding: 80px 20px;
    background: #fff;
}

.map-section h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 40px;
}

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

.map-placeholder {
    width: 100%;
    height: 400px;
    background: #f5f5f7;
    border-radius: 20px;
    overflow: hidden;
}

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

/* 社交连接部分 */
.social-connect {
    padding: 80px 20px;
    background: #f5f5f7;
}

.social-connect h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
}

.social-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.social-item {
    text-align: center;
    padding: 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.social-item i {
    font-size: 48px;
    color: #0071e3;
    margin-bottom: 20px;
}

.social-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.social-item .qr-code {
    width: 200px;
    height: 200px;
    margin: 20px auto;
    display: block;
}

.follow-button {
    display: inline-block;
    padding: 12px 30px;
    background: #0071e3;
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.follow-button:hover {
    background: #0077ed;
    transform: translateY(-2px);
}

/* 资源下载部分 */
.resources {
    padding: 80px 20px;
    background: #fff;
}

.resources-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.resource-item {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.resource-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.resource-item i {
    font-size: 48px;
    color: #0071e3;
    margin-bottom: 20px;
}

.resource-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.resource-item p {
    color: #86868b;
    margin-bottom: 30px;
}

.resource-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    background: #0071e3;
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.resource-button:hover {
    background: #0077ed;
    transform: translateY(-2px);
}

/* 加入我们部分 */
.join-us {
    padding: 80px 20px;
    background: linear-gradient(135deg, #0071e3 0%, #00c6fb 100%);
    text-align: center;
    color: #fff;
}

.join-us h2 {
    font-size: 40px;
    margin-bottom: 20px;
}

.join-us p {
    font-size: 20px;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.join-button {
    display: inline-block;
    padding: 15px 40px;
    background: #fff;
    color: #0071e3;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.join-button:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

/* 响应式适配 */
@media (max-width: 768px) {
    /* 通用响应式调整 */
    .page-hero h1 {
        font-size: 36px;
    }
    
    .page-hero p {
        font-size: 18px;
    }

    /* 网格布局响应式 */
    .resources-grid,
    .channels-grid,
    .values-grid,
    .team-grid,
    .case-grid,
    .info-grid,
    .social-grid {
        grid-template-columns: 1fr;
    }

    /* 表单响应式 */
    .form-row {
        grid-template-columns: 1fr;
    }

    .form-container {
        padding: 30px;
    }

    /* 解决方案响应式 */
    .solution-item {
        flex-direction: column;
        text-align: center;
        padding: 30px;
    }

    .solution-content {
        padding-left: 0;
        padding-top: 20px;
    }

    /* 团队成员响应式 */
    .team-member img {
        height: 250px;
    }

    /* 时间线响应式 */
    .timeline:before {
        left: 20px;
    }

    .timeline-item .year {
        left: 20px;
        transform: none;
    }

    .timeline-item .event {
        width: calc(100% - 60px);
        margin-left: 60px !important;
        margin-right: 0 !important;
    }

    /* 页脚响应式 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
} 

/* 旗下网站页面样式 */
.sites-grid {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.site-item {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.site-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.site-item i {
    font-size: 48px;
    color: #0071e3;
    margin-bottom: 20px;
}

.site-item h3 {
    font-size: 24px;
    margin-bottom: 15px;
    color: #1d1d1f;
}

.site-item p {
    color: #86868b;
    margin-bottom: 30px;
}

.site-button {
    display: inline-block;
    padding: 12px 30px;
    background: #0071e3;
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.site-button:hover {
    background: #0077ed;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .sites-grid {
        grid-template-columns: 1fr;
    }
} 

/* 支持资源部分 */
.support-resources {
    padding: 80px 20px;
    background: #fff;
}

.support-resources h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
    color: #1d1d1f;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    background: #0071e3;
    color: #fff;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.download-button:hover {
    background: #0077ed;
    transform: translateY(-2px);
}

/* 问题反馈部分 */
.feedback {
    padding: 80px 20px;
    background: #f5f5f7;
}

.feedback-content {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 60px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.feedback-content h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #1d1d1f;
    text-align: center;
}

.feedback-content > p {
    text-align: center;
    color: #86868b;
    margin-bottom: 40px;
}

.feedback-form {
    max-width: 600px;
    margin: 0 auto;
}

.feedback-form .form-group {
    margin-bottom: 25px;
}

.feedback-form label {
    display: block;
    margin-bottom: 8px;
    color: #1d1d1f;
    font-weight: 500;
}

.feedback-form input,
.feedback-form select,
.feedback-form textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #d2d2d7;
    border-radius: 10px;
    font-size: 16px;
    color: #1d1d1f;
    transition: all 0.3s ease;
}

.feedback-form input:focus,
.feedback-form select:focus,
.feedback-form textarea:focus {
    border-color: #0071e3;
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.1);
}

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

.feedback-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%231d1d1f' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

/* 加入我们部分 */
.contact-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #0071e3 0%, #00c6fb 100%);
    text-align: center;
    color: #fff;
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-content h2 {
    font-size: 40px;
    margin-bottom: 20px;
}

.contact-content p {
    font-size: 20px;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.9);
}

.cta-button.primary {
    display: inline-block;
    padding: 15px 40px;
    background: #fff;
    color: #0071e3;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    font-size: 18px;
    transition: all 0.3s ease;
}

.cta-button.primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

/* 移动端响应式适配 */
@media (max-width: 768px) {
    .feedback-content {
        padding: 30px;
    }
    
    .contact-section {
        padding: 60px 20px;
    }
    
    .contact-content h2 {
        font-size: 32px;
    }
    
    .contact-content p {
        font-size: 18px;
    }
} 

/* 移动端响应式适配增强 */
@media (max-width: 768px) {
    /* 导航栏响应式 */
    .nav-menu {
        padding: 10px;
    }
    
    .nav-menu a {
        font-size: 14px;
        padding: 8px 12px;
    }

    /* 英雄区域响应式 */
    .page-hero {
        height: 40vh;
        padding-top: 60px;
    }

    .page-hero h1 {
        font-size: 28px;
        margin-bottom: 10px;
    }

    .page-hero p {
        font-size: 16px;
        padding: 0 20px;
    }

    /* 内容区域响应式 */
    .support-resources h2,
    .feedback-content h2,
    .contact-content h2,
    .values h2,
    .team h2,
    .milestones h2,
    .case-studies h2 {
        font-size: 28px;
        margin-bottom: 30px;
    }

    /* 卡片和网格响应式 */
    .resource-item,
    .channel-item,
    .value-item,
    .team-member,
    .case-item,
    .info-item,
    .social-item,
    .site-item {
        padding: 20px;
    }

    .resource-item i,
    .channel-item i,
    .value-item i,
    .info-item i,
    .social-item i,
    .site-item i {
        font-size: 36px;
    }

    .resource-item h3,
    .channel-item h3,
    .value-item h3,
    .team-member h3,
    .case-item h3,
    .info-item h3,
    .social-item h3,
    .site-item h3 {
        font-size: 20px;
    }

    /* 表单响应式增强 */
    .feedback-form input,
    .feedback-form select,
    .feedback-form textarea,
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px;
        font-size: 14px;
    }

    .submit-button,
    .download-button,
    .site-button,
    .solution-cta {
        padding: 10px 20px;
        font-size: 14px;
    }

    /* 页脚响应式增强 */
    footer {
        padding: 40px 20px 20px;
    }

    .footer-section h4 {
        font-size: 18px;
        margin-bottom: 15px;
    }

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

    .social-links {
        gap: 15px;
    }

    .social-links a {
        font-size: 20px;
    }
}

/* 顶部导航栏样式优化 */
.nav-menu {
    max-width: 1400px; /* 增加导航栏宽度 */
    padding: 0 40px;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-image {
    width: 40px;
    height: 40px;
    object-fit: cover;
} 

/* 移动端菜单样式 */
.menu-button {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1000;
    height: 100%;
    align-items: center;
}

.menu-button span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #1d1d1f;
    margin: 5px 0;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    .menu-button {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: #fff;
        padding: 80px 40px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        display: block;
        margin: 20px 0;
        font-size: 18px;
    }

    .menu-button.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-button.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-button.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    /* 导航栏在移动端的其他调整 */
    .nav-menu {
        padding: 15px 20px;
        justify-content: space-between;
    }

    .logo-container {
        z-index: 1001;
    }

    .logo-container a {
        font-size: 20px;
    }

    .logo-image {
        width: 30px;
        height: 30px;
    }
} 

/* 动画效果 */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* 波纹动画效果 */
.ripple {
    position: absolute;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    pointer-events: none;
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* FAQ动画 */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.3s ease-out;
}

/* 卡片悬停动画 */
.resource-item,
.channel-item,
.value-item,
.team-member,
.case-item,
.info-item,
.social-item,
.site-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.resource-item:hover,
.channel-item:hover,
.value-item:hover,
.team-member:hover,
.case-item:hover,
.info-item:hover,
.social-item:hover,
.site-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 按钮动画 */
.submit-button,
.download-button,
.site-button,
.solution-cta,
.chat-button,
.follow-button {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.submit-button:hover,
.download-button:hover,
.site-button:hover,
.solution-cta:hover,
.chat-button:hover,
.follow-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 113, 227, 0.2);
}

/* 导航链接动画 */
.nav-links a {
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #0071e3;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links a:hover::after {
    width: 100%;
}

/* 加载动画 */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.fa-spinner {
    animation: spin 1s linear infinite;
}

/* 选择语言页面样式 */
.language-hero {
    background: linear-gradient(135deg, #0071e3 0%, #00c6fb 100%);
    color: #fff;
}

.language-selection {
    padding: 80px 20px;
    background: #f5f5f7;
}

.language-selection .container {
    max-width: 1200px;
    margin: 0 auto;
}

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

.language-option {
    display: flex;
    align-items: center;
    padding: 25px;
    background: #fff;
    border-radius: 20px;
    text-decoration: none;
    color: #1d1d1f;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 2px solid transparent;
}

.language-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 113, 227, 0.2);
}

.language-option.active {
    border-color: #0071e3;
    background: rgba(0, 113, 227, 0.05);
}

.language-flag {
    flex: 0 0 60px;
    margin-right: 20px;
}

.language-flag img {
    width: 60px;
    height: 40px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.language-info {
    flex: 1;
}

.language-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 5px;
    color: #1d1d1f;
}

.language-code {
    font-size: 14px;
    color: #86868b;
    text-transform: uppercase;
    font-weight: 500;
    margin: 0;
}

.current-indicator {
    flex: 0 0 30px;
    text-align: center;
}

.current-indicator i {
    color: #0071e3;
    font-size: 20px;
    background: rgba(0, 113, 227, 0.1);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s infinite;
}

/* 语言选项点击效果 */
.language-option:active {
    transform: translateY(-2px) scale(0.98);
}

/* 语言旗帜加载失败时的占位符 */
.language-flag img[style*="display: none"] + .flag-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 40px;
    background: #f5f5f7;
    border-radius: 8px;
    color: #86868b;
    font-size: 12px;
    font-weight: 500;
}

/* 脉冲动画 */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* 语言选择页面标题样式 */
.language-hero .hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.language-hero .hero-content p {
    font-size: 24px;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 内容区域通用样式 */
.content-section {
    padding: 80px 20px;
    background: #fff;
}

.content-section h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
    color: #1d1d1f;
}

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

/* 网格布局通用样式 */
.grid-container {
    display: grid;
    gap: 40px;
    margin: 0 auto;
    max-width: 1200px;
    padding: 0 20px;
}

.grid-3-columns {
    grid-template-columns: repeat(3, 1fr);
}

.grid-2-columns {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .content-section {
        padding: 60px 20px;
    }

    .content-section h2 {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .grid-3-columns,
    .grid-2-columns {
        grid-template-columns: 1fr;
    }

    /* 选择语言页面移动端适配 */
    .language-selection {
        padding: 60px 20px;
    }

    .languages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .language-option {
        padding: 20px;
    }

    .language-flag {
        flex: 0 0 50px;
        margin-right: 15px;
    }

    .language-flag img {
        width: 50px;
        height: 33px;
    }

    .language-name {
        font-size: 18px;
    }

    .language-code {
        font-size: 12px;
    }

    .current-indicator i {
        font-size: 18px;
        width: 25px;
        height: 25px;
    }

    /* 语言选择页面英雄区域移动端适配 */
    .language-hero .hero-content h1 {
        font-size: 32px;
    }

    .language-hero .hero-content p {
        font-size: 18px;
    }
}

/* 移动端菜单样式 */
@media (max-width: 1024px) {
    .nav-menu {
        padding: 0 20px;
    }

    .nav-links {
        gap: 10px;
    }

    .nav-links a {
        padding: 8px 10px;
        font-size: 14px;
    }

    .logo-container a {
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: #fff;
        padding: 80px 20px;
        transition: right 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        flex-direction: column; /* 垂直排列 */
        align-items: flex-start; /* 左对齐 */
        gap: 0; /* 重置间距 */
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        width: 100%; /* 占满宽度 */
        padding: 15px 0; /* 增加上下内边距 */
        font-size: 18px;
        border-bottom: 1px solid #f5f5f7; /* 添加分隔线 */
    }

    .nav-links a:last-child {
        border-bottom: none; /* 最后一个链接不需要分隔线 */
    }

    .nav-menu {
        padding: 0 15px;
    }

    .logo-container {
        gap: 10px;
    }

    .logo-image {
        width: 30px;
        height: 30px;
    }
} 

.large-footer {
    font-size: 15px; /* 设置字体大小为20像素 */
}

.unstyled-link {
    all: unset; /* 重置所有样式 */
    display: inline; /* 确保链接是行内元素 */
    color: inherit; /* 继承父元素的颜色 */
    text-decoration: none; /* 去掉下划线 */
    cursor: pointer; /* 保持鼠标指针样式 */
}