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

/* 基础样式设置 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #1d1d1f;
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* 头部导航样式 */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.company-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.logo h1 {
    font-size: 24px;
    font-weight: 600;
    color: #1d1d1f;
    margin: 0;
    letter-spacing: -0.5px;
}

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

.nav-item {
    margin-left: 40px;
}

.nav-link {
    text-decoration: none;
    color: #1d1d1f;
    font-weight: 400;
    font-size: 14px;
    letter-spacing: -0.3px;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #0071e3;
    transition: width 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-link:hover {
    color: #0071e3;
}

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

.header-right {
    display: flex;
    align-items: center;
}

.phone {
    display: flex;
    align-items: center;
    margin-right: 24px;
    font-weight: 400;
    color: #0071e3;
    font-size: 14px;
}

.phone i {
    margin-right: 6px;
    font-size: 16px;
}

.consult-btn {
    background-color: #0071e3;
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 20px;
    font-weight: 400;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    letter-spacing: -0.3px;
}

.consult-btn:hover {
    background-color: #0077ed;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.2);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: #1d1d1f;
    padding: 8px;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.mobile-menu-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

/* 移动端菜单样式 */
.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 999;
    animation: slideDown 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-menu.active {
    display: block;
}

.mobile-nav-list {
    list-style: none;
    padding: 16px 0;
}

.mobile-nav-item {
    text-align: center;
    margin-bottom: 0;
}

.mobile-nav-link {
    display: block;
    text-decoration: none;
    color: #1d1d1f;
    font-weight: 400;
    font-size: 16px;
    padding: 16px 20px;
    transition: all 0.2s ease;
    letter-spacing: -0.3px;
}

.mobile-nav-link:hover {
    color: #0071e3;
    background-color: rgba(0, 113, 227, 0.05);
}

/* 首页横幅样式 */
.banner {
    background: linear-gradient(180deg, #f5f5f7 0%, #fff 100%);
    color: #1d1d1f;
    padding: 180px 0 120px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 113, 227, 0.05) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: 0;
}

.banner-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.banner-title {
    font-size: 56px;
    font-weight: 600;
    margin-bottom: 24px;
    line-height: 1.1;
    letter-spacing: -1px;
}

.banner-subtitle {
    font-size: 24px;
    margin-bottom: 56px;
    color: #86868b;
    font-weight: 400;
    letter-spacing: -0.5px;
}

.banner-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    padding: 12px 28px;
    border: 1px solid #d2d2d7;
    border-radius: 24px;
    font-size: 17px;
    font-weight: 400;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-decoration: none;
    display: inline-block;
    letter-spacing: -0.3px;
    background-color: transparent;
    color: #1d1d1f;
}

.btn-primary {
    background-color: #0071e3;
    color: #fff;
    border-color: #0071e3;
}

.btn-primary:hover {
    background-color: #0077ed;
    transform: scale(1.02);
    box-shadow: 0 4px 16px rgba(0, 113, 227, 0.3);
}

.btn-secondary {
    background-color: #fff;
    color: #1d1d1f;
    border-color: #d2d2d7;
}

.btn-secondary:hover {
    background-color: #f5f5f7;
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

/* 通用区块样式 */
section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 48px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 20px;
    letter-spacing: -1px;
    line-height: 1.1;
}

.section-subtitle {
    font-size: 20px;
    color: #86868b;
    font-weight: 400;
    letter-spacing: -0.5px;
    line-height: 1.5;
}

/* 公司介绍样式 */
.about {
    background-color: #fff !important;
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.about-content {
    display: block;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.about-text {
    display: block;
    margin: 0 auto;
    max-width: 800px;
    text-align: left;
    color: #000 !important;
}

.about-text p {
    margin-bottom: 24px;
    font-size: 17px;
    line-height: 1.8;
    color: #515154 !important;
    letter-spacing: -0.3px;
    opacity: 1 !important;
    visibility: visible !important;
}

.about-stats {
    display: flex;
    gap: 60px;
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid #e5e5ea;
    justify-content: center;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    min-width: 120px;
    max-width: 200px;
}

.stat-number {
    font-size: 48px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 8px;
    letter-spacing: -1px;
    line-height: 1;
    display: inline-block;
    width: 150px;
    text-align: center;
    overflow: visible;
}

.stat-label {
    font-size: 14px;
    color: #86868b;
    font-weight: 400;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.about-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    aspect-ratio: 3/2;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-image:hover img {
    transform: scale(1.03);
}

/* 业务范围样式 */
.services {
    background-color: #f5f5f7;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    max-width: 1100px;
    margin: 0 auto;
}

.service-item {
    background-color: #fff;
    padding: 48px 32px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0071e3, #5ac8fa);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.service-item:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 88px;
    height: 88px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    font-size: 36px;
    color: #0071e3;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-item:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background: linear-gradient(135deg, #bbdefb, #90caf9);
}

.service-title {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1d1d1f;
    letter-spacing: -0.5px;
}

.service-description {
    color: #515154;
    line-height: 1.7;
    font-size: 16px;
    letter-spacing: -0.3px;
}

/* 企业文化样式 */
.culture {
    background-color: #fff;
}

.culture-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 48px;
    max-width: 1000px;
    margin: 0 auto 80px;
}

.culture-item {
    text-align: center;
    padding: 40px 24px;
    background-color: #f5f5f7;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.culture-item:hover {
    transform: translateY(-5px);
    background-color: #fff;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

.culture-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, #0071e3, #5ac8fa);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    color: #fff;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.culture-item:hover .culture-icon {
    transform: scale(1.1);
    box-shadow: 0 4px 16px rgba(0, 113, 227, 0.3);
}

.culture-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #1d1d1f;
    letter-spacing: -0.5px;
}

.culture-description {
    color: #515154;
    line-height: 1.7;
    font-size: 16px;
    letter-spacing: -0.3px;
}

/* 三个五年规划样式 */
.three-five-plan {
    max-width: 1000px;
    margin: 0 auto;
}

.plan-title {
    font-size: 24px;
    font-weight: 600;
    color: #1d1d1f;
    text-align: center;
    margin-bottom: 48px;
    letter-spacing: -0.5px;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 32px;
}

.plan-item {
    background-color: #f5f5f7;
    padding: 40px 32px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.plan-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #0071e3, #5ac8fa);
}

.plan-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    background-color: #fff;
}

.plan-period {
    font-size: 18px;
    font-weight: 600;
    color: #0071e3;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.plan-title-small {
    font-size: 16px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.plan-content {
    color: #515154;
    line-height: 1.7;
    font-size: 16px;
    letter-spacing: -0.3px;
}

/* 合作商户样式 */
.partners {
    background-color: #fff;
}

.partners-content {
    max-width: 1000px;
    margin: 0 auto;
}

.partner-title {
    font-size: 24px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 40px;
    text-align: center;
    letter-spacing: -0.5px;
}

.partner-banks {
    margin-bottom: 80px;
}

.partner-stats {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 40px;
    background-color: #f5f5f7;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.partner-stat-item {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.partner-stat-number {
    font-size: 36px;
    font-weight: 600;
    color: #0071e3;
    margin-bottom: 8px;
    letter-spacing: -1px;
    line-height: 1;
}

.partner-stat-label {
    font-size: 14px;
    color: #86868b;
    font-weight: 400;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.merchant-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.merchant-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background-color: #f5f5f7;
    padding: 24px;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.merchant-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
    background-color: #fff;
}

.merchant-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0071e3, #5ac8fa);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.merchant-item:hover .merchant-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 4px 16px rgba(0, 113, 227, 0.3);
}

.merchant-info {
    flex: 1;
}

.merchant-name {
    font-size: 18px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 4px;
    letter-spacing: -0.3px;
}

.merchant-type {
    font-size: 14px;
    color: #86868b;
    font-weight: 400;
    letter-spacing: -0.3px;
}

/* 发展历程样式 */
.history {
    background-color: #f5f5f7;
}

.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #0071e3, #5ac8fa);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    margin-bottom: 80px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }
.timeline-item:nth-child(6) { animation-delay: 0.6s; }
.timeline-item:nth-child(7) { animation-delay: 0.7s; }
.timeline-item:nth-child(8) { animation-delay: 0.8s; }

.timeline-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 24px;
    width: 16px;
    height: 16px;
    background-color: #0071e3;
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 1;
    box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.timeline-item:hover::before {
    transform: translateX(-50%) scale(1.3);
    box-shadow: 0 0 0 6px rgba(0, 113, 227, 0.15);
}

.timeline-date {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    background-color: #0071e3;
    color: #fff;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    z-index: 1;
    letter-spacing: -0.3px;
}

.timeline-content {
    flex: 1;
    background-color: #fff;
    padding: 36px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    position: relative;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: calc(50% + 40px);
}

.timeline-item:nth-child(even) .timeline-content {
    margin-left: calc(50% + 40px);
}

.timeline-content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #1d1d1f;
    letter-spacing: -0.5px;
}

.timeline-content p {
    color: #515154;
    line-height: 1.7;
    font-size: 16px;
    letter-spacing: -0.3px;
}

/* IP形象样式 */
.ip-image {
    background-color: #fff;
    padding: 120px 0;
}

.ip-content {
    display: flex;
    align-items: center;
    gap: 80px;
    max-width: 1000px;
    margin: 0 auto;
}

.ip-image-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.ip-main-image {
    width: 100%;
    height: auto;
    max-width: 400px;
    object-fit: contain;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.ip-main-image:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.image-note {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
    color: #86868b;
    font-style: italic;
}

.ip-info {
    flex: 1;
}

.ip-name {
    font-size: 32px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.ip-details {
    margin-bottom: 32px;
}

.ip-detail-item {
    display: flex;
    margin-bottom: 16px;
}

.ip-detail-label {
    font-weight: 600;
    color: #1d1d1f;
    margin-right: 12px;
    min-width: 60px;
    font-size: 16px;
    letter-spacing: -0.3px;
}

.ip-detail-value {
    color: #515154;
    font-size: 16px;
    letter-spacing: -0.3px;
}

.ip-description {
    color: #515154;
    line-height: 1.8;
    font-size: 16px;
    letter-spacing: -0.3px;
}

.ip-description p {
    margin-bottom: 16px;
}

/* 联系我们样式 */
.contact {
    background-color: #fff;
}

.contact-content {
    display: flex;
    justify-content: center;
    gap: 80px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    flex: 1;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 40px;
    gap: 20px;
    transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.contact-item:hover {
    transform: translateX(8px);
}

.contact-item i {
    font-size: 28px;
    color: #0071e3;
    margin-top: 4px;
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.contact-item:hover i {
    transform: scale(1.1) rotate(5deg);
    color: #0077ed;
}

.contact-text h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1d1d1f;
    letter-spacing: -0.3px;
}

.contact-text p {
    color: #515154;
    margin: 0;
    font-size: 16px;
    letter-spacing: -0.3px;
    line-height: 1.6;
}

.map-link {
    color: #0071e3;
    text-decoration: none;
    transition: color 0.3s ease;
}

.map-link:hover {
    color: #0077ed;
    text-decoration: underline;
}

.contact-form {
    flex: 1;
    background-color: #f5f5f7;
    padding: 48px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 36px;
    color: #1d1d1f;
    letter-spacing: -0.5px;
}

.form-group {
    margin-bottom: 28px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 500;
    color: #1d1d1f;
    letter-spacing: -0.3px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #d2d2d7;
    border-radius: 8px;
    font-size: 16px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background-color: #fff;
    color: #1d1d1f;
    letter-spacing: -0.3px;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #0071e3;
    box-shadow: 0 0 0 3px rgba(0, 113, 227, 0.1);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

/* 页脚样式 */
.footer {
    background-color: #1d1d1f;
    color: #fff;
    padding: 80px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    margin-bottom: 60px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-logo h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #fff;
    letter-spacing: -0.5px;
}

.footer-logo p {
    color: #86868b;
    font-size: 14px;
    line-height: 1.6;
    letter-spacing: -0.3px;
}

.footer-links h4,
.footer-contact h4,
.footer-social h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 24px;
    color: #fff;
    letter-spacing: -0.3px;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 16px;
}

.footer-links a {
    color: #86868b;
    text-decoration: none;
    transition: color 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    font-size: 14px;
    letter-spacing: -0.3px;
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #86868b;
    font-size: 14px;
    letter-spacing: -0.3px;
    transition: color 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.footer-contact li:hover {
    color: #0071e3;
}

.footer-contact i {
    color: #0071e3;
    font-size: 16px;
    flex-shrink: 0;
}

.social-icons {
    display: flex;
    gap: 16px;
}

.social-icons {
    display: flex;
    gap: 16px;
    position: relative;
}

.social-icon {
    width: 44px;
    height: 44px;
    background-color: #2d2d30;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.social-icon:hover {
    background-color: #0071e3;
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 113, 227, 0.4);
    border-color: #0071e3;
}

/* 微信图标特殊样式 */
#wechatIcon:hover {
    background-color: #07c160;
    border-color: #07c160;
}

/* 抖音图标特殊样式 */
.social-icon:nth-child(2) {
    background-color: #000;
    border-color: #000;
}

.social-icon:nth-child(2):hover {
    background-color: #000;
    border-color: #000;
    transform: translateY(-4px) scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
}

.social-icon:nth-child(2) .fab.fa-tiktok {
    color: #fff;
}

/* 微信二维码样式 */
.wechat-container {
    position: relative;
}

.wechat-qr {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-bottom: 12px;
    padding: 12px;
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    display: none;
    z-index: 1000;
    width: 200px;
    text-align: center;
}

.wechat-qr::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid #fff;
}

.wechat-qr-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
}

/* 显示微信二维码 */
.wechat-container:hover .wechat-qr,
.wechat-container:focus-within .wechat-qr {
    display: block;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .wechat-qr {
        width: 150px;
        margin-bottom: 8px;
    }
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #86868b;
    font-size: 14px;
    letter-spacing: -0.3px;
}

/* 回到顶部按钮样式 */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 52px;
    height: 52px;
    background-color: #0071e3;
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 4px 16px rgba(0, 113, 227, 0.3);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: #0077ed;
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 113, 227, 0.4);
}

.back-to-top.hidden {
    transform: translateY(20px);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .nav {
        display: none;
    }
    
    .header-right {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .banner-title {
        font-size: 44px;
    }
    
    .banner-subtitle {
        font-size: 20px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .section-subtitle {
        font-size: 18px;
    }
    
    .about-content {
        flex-direction: column;
        gap: 60px;
    }
    
    .about-image {
        order: -1;
    }
    
    .contact-content {
        flex-direction: column;
        gap: 60px;
    }
    
    .timeline::before {
        left: 32px;
    }
    
    .timeline-item::before {
        left: 32px;
    }
    
    .timeline-date {
        left: auto;
        right: 0;
        transform: none;
    }
    
    .timeline-item {
        flex-direction: column;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 80px;
        margin-right: 0;
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 24px;
    }
}

@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }
    
    .header-content {
        padding: 12px 0;
    }
    
    .logo h1 {
        font-size: 20px;
    }
    
    .banner {
        padding: 140px 0 100px;
    }
    
    .banner-title {
        font-size: 36px;
    }
    
    .banner-subtitle {
        font-size: 18px;
        margin-bottom: 40px;
    }
    
    .banner-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 16px;
        width: 200px;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .about-stats {
        flex-wrap: wrap;
        gap: 32px;
    }
    
    .stat-item {
        flex: 1;
        min-width: 120px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-item {
        padding: 40px 24px;
    }
    
    .culture-content {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .culture-item {
        padding: 32px 20px;
    }
    
    .timeline-item {
        margin-bottom: 60px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 60px;
        padding: 28px;
    }
    
    .timeline::before {
        left: 24px;
    }
    
    .timeline-item::before {
        left: 24px;
    }
    
    .contact-form {
        padding: 36px 24px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .banner {
        padding: 120px 0 80px;
    }
    
    .banner-title {
        font-size: 28px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 15px;
    }
    
    .about-text p {
        font-size: 15px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .stat-label {
        font-size: 13px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 50px;
        padding: 24px;
    }
    
    .timeline::before {
        left: 16px;
    }
    
    .timeline-item::before {
        left: 16px;
    }
    
    .contact-item {
        margin-bottom: 32px;
    }
    
    .contact-item i {
        font-size: 24px;
    }
    
    .contact-text h3 {
        font-size: 16px;
    }
    
    .contact-text p {
        font-size: 15px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 12px 14px;
        font-size: 15px;
    }
    
    .back-to-top {
        bottom: 24px;
        right: 24px;
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 滚动动画 */
/* 移除可能导致元素隐藏的fade-in-up样式，确保所有元素默认可见 */
.fade-in-up {
    opacity: 1 !important;
    transform: translateY(0) !important;
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-up.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* 保留动画定义，但不应用到元素上 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #1d1d1f;
        color: #fff;
    }
    
    .banner {
        background: linear-gradient(180deg, #2c2c2e 0%, #1d1d1f 100%);
        color: #fff;
    }
    
    .section-title {
        color: #fff;
    }
    
    .section-subtitle {
        color: #86868b;
    }
    
    .about {
        background-color: #fff !important;
    }
    
    .about-text p {
        color: #515154 !important;
    }
    
    .services {
        background-color: #2c2c2e;
    }
    
    .service-item {
        background-color: #1d1d1f;
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .service-title {
        color: #fff;
    }
    
    .service-description {
        color: #86868b;
    }
    
    .culture {
        background-color: #1d1d1f;
    }
    
    .culture-item {
        background-color: #2c2c2e;
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .culture-title {
        color: #fff;
    }
    
    .culture-description {
        color: #86868b;
    }
    
    .history {
        background-color: #2c2c2e;
    }
    
    .timeline-content {
        background-color: #1d1d1f;
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .timeline-content h3 {
        color: #fff;
    }
    
    .timeline-content p {
        color: #86868b;
    }
    
    .contact {
        background-color: #1d1d1f;
    }
    
    .contact-form {
        background-color: #2c2c2e;
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .form-group input,
    .form-group textarea {
        background-color: #1d1d1f;
        color: #fff;
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .form-group input::placeholder,
    .form-group textarea::placeholder {
        color: #86868b;
    }
    
    .btn-secondary {
        background-color: #1d1d1f;
        color: #fff;
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .btn-secondary:hover {
        background-color: #2c2c2e;
    }
}

/* 地图选择模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: #fff;
    margin: 15% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid #e5e5ea;
    background-color: #f8f9fa;
}

.modal-header h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    color: #1d1d1f;
}

.close {
    font-size: 28px;
    font-weight: bold;
    color: #86868b;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
}

.close:hover {
    color: #1d1d1f;
}

.modal-body {
    padding: 24px;
}

.map-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.map-option-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background-color: #f5f7fa;
    border-radius: 8px;
    text-decoration: none;
    color: #1d1d1f;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.map-option-item:hover {
    background-color: #e3f2fd;
    border-color: #bbdefb;
    transform: translateX(5px);
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.15);
}

.map-option-item i {
    font-size: 20px;
    color: #0071e3;
    width: 24px;
    text-align: center;
}

/* 模态框动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 移动端优化 */
@media (max-width: 768px) {
    .modal-content {
        margin: 30% auto;
        width: 95%;
    }
    
    .modal-header {
        padding: 16px 20px;
    }
    
    .modal-header h3 {
        font-size: 18px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .map-option-item {
        padding: 14px 18px;
        font-size: 15px;
    }
    
    /* 移动端响应式优化 */
    section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    /* 移动端服务卡片优化 */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-item {
        padding: 36px 20px;
    }
}



/* 小屏移动端优化 */
@media (max-width: 480px) {
    .modal-content {
        margin: 40% auto;
    }
    
    section {
        padding: 60px 0;
    }
    
    .banner {
        padding: 100px 0 80px;
    }
    
    .banner-title {
        font-size: 28px;
    }
    
    .banner-subtitle {
        font-size: 16px;
    }
    
    .section-title {
        font-size: 24px;
    }
    
    .section-subtitle {
        font-size: 15px;
    }
}