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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

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

/* 导航栏样式 */
.header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

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

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

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo-text {
    line-height: 1.2;
}

.logo-en {
    font-size: 11px;
    font-weight: 600;
    color: #4169E1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.logo-zh {
    font-size: 14px;
    font-weight: 600;
    color: #4169E1;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: #333;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.3s;
    padding: 8px 0;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: #4169E1;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #4169E1;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    background: #f0f4ff;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: #4169E1;
    transition: all 0.3s;
}

.lang-btn:hover {
    background: #4169E1;
    color: #fff;
}

.globe-icon {
    font-size: 16px;
}

/* Hero区域样式 */
.hero {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    padding: 80px 0;
    text-align: center;
}

.hero-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.3;
}

.hero-title .highlight {
    color: #4169E1;
}

.hero-subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    letter-spacing: 0.5px;
}

.cta-btn {
    background: #4169E1;
    color: #fff;
    border: none;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(65, 105, 225, 0.3);
}

.cta-btn:hover {
    background: #3557c1;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(65, 105, 225, 0.4);
}

/* 特色卡片样式 */
.features {
    padding: 80px 0;
    background: #fff;
}

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

.feature-card {
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-purple {
    background: linear-gradient(135deg, #e8eaf6 0%, #f3e5f5 100%);
}

.feature-green {
    background: linear-gradient(135deg, #e8f5e9 0%, #f1f8e9 100%);
}

.feature-pink {
    background: linear-gradient(135deg, #fce4ec 0%, #f3e5f5 100%);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.feature-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

/* 页面标题样式 */
.page-header {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    padding: 60px 0;
    text-align: center;
}

.page-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
}

.page-title .highlight {
    color: #4169E1;
}

.page-subtitle {
    font-size: 18px;
    color: #666;
}

/* 关于我们页面样式 */
.about-intro {
    padding: 80px 0;
    background: #fff;
}

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

.about-main-text {
    font-size: 20px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 50px;
    line-height: 1.8;
}

.mission-vision-box {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.mv-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.mv-icon-circle {
    width: 60px;
    height: 60px;
    background: #e3f2fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.mv-heading {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a1a;
}

.mv-description {
    font-size: 15px;
    color: #666;
    line-height: 1.7;
}

.about-image {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* 价值观样式 */
.values {
    padding: 80px 0;
    background: #fff;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.value-card {
    text-align: center;
}

.value-icon-wrapper {
    width: 100px;
    height: 100px;
    background: #e3f2fd;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    transition: all 0.3s;
}

.value-card:hover .value-icon-wrapper {
    background: #bbdefb;
    transform: scale(1.05);
}

.value-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1a1a1a;
}

.value-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.7;
}

/* 服务页面样式 */
.services-section {
    padding: 80px 0;
    background: #fff;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.service-card {
    padding: 40px;
    border-radius: 16px;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
}

.service-purple {
    background: linear-gradient(135deg, #f3e5f5 0%, #fce4ec 100%);
}

.service-green {
    background: linear-gradient(135deg, #e8f5e9 0%, #e0f2f1 100%);
}

.service-blue {
    background: linear-gradient(135deg, #e3f2fd 0%, #e1f5fe 100%);
}

.service-orange {
    background: linear-gradient(135deg, #fff3e0 0%, #ffe0b2 100%);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: #333;
}

.service-intro {
    font-size: 15px;
    color: #666;
    margin-bottom: 25px;
    line-height: 1.6;
}

.service-list {
    list-style: none;
}

.service-list li {
    font-size: 14px;
    color: #555;
    margin-bottom: 12px;
    line-height: 1.5;
}

/* 服务流程样式 */
.process-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 15px;
    color: #333;
}

.section-subtitle {
    font-size: 16px;
    text-align: center;
    color: #666;
    margin-bottom: 60px;
}

.process-timeline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

.process-step {
    flex: 1;
    text-align: center;
}

.process-icon {
    font-size: 48px;
    width: 80px;
    height: 80px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.process-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #333;
}

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

.process-arrow {
    font-size: 24px;
    color: #4169E1;
    padding-top: 30px;
    flex-shrink: 0;
}

/* 联系页面样式 */
.contact-section {
    padding: 80px 0;
    background: #fff;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.contact-heading {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 50px;
    color: #333;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
}

.contact-icon {
    font-size: 32px;
    width: 60px;
    height: 60px;
    background: #f0f4ff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-label {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #333;
}

.contact-value {
    font-size: 18px;
    color: #4169E1;
    text-decoration: none;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

.contact-value:hover {
    text-decoration: underline;
}

.contact-note {
    font-size: 14px;
    color: #999;
}

/* 联系表单样式 */
.contact-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 16px;
}

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

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4169E1;
}

.form-group textarea {
    resize: vertical;
}

.submit-btn {
    width: 100%;
    background: #4169E1;
    color: #fff;
    border: none;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s;
}

.submit-btn:hover {
    background: #3557c1;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(65, 105, 225, 0.3);
}

/* 页脚样式 */
.footer {
    background: #1a2332;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-logo-text {
    line-height: 1.2;
}

.footer-logo-en {
    font-size: 10px;
    font-weight: 600;
    color: #4169E1;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-logo-zh {
    font-size: 12px;
    font-weight: 600;
    color: #4169E1;
}

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

.footer-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #fff;
}

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

.footer-links li,
.footer-contact li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-contact a {
    color: #aaa;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.footer-links a:hover,
.footer-contact a:hover {
    color: #4169E1;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #333;
}

.footer-bottom p {
    font-size: 14px;
    color: #888;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: 1fr;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        order: -1;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

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

    .contact-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
    }

    .process-timeline {
        flex-direction: column;
    }

    .process-arrow {
        transform: rotate(90deg);
        padding: 20px 0;
    }
}

@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 20px;
    }

    .nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }

    .hero-title {
        font-size: 32px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .page-title {
        font-size: 32px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }

    .hero {
        padding: 50px 0;
    }

    .features,
    .about-intro,
    .values,
    .services-section,
    .process-section,
    .contact-section {
        padding: 50px 0;
    }

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