/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Source Sans Pro', sans-serif;
    background-color: #FFFFFF;
    color: #43434D;
    line-height: 1.4;
    overflow-x: hidden;
}

/* 消息通知栏 */
.notification-bar {
    width: 100%;
    height: 40px;
    background-color: #306EEB;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.notification-content {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    position: relative;
}

.notification-content span {
    color: #FFFFFF;
    font-size: 12px;
    font-weight: 400;
    text-align: center;
}

.close-btn {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.close-btn img {
    width: 16px;
    height: 16px;
}

/* 导航栏 */
.navbar {
    width: 100%;
    height: 44px;
    position: relative;
    background-color: #FFFFFF;
}

.nav-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 78px;
    height: 44px;
    background: url('assets/nav-image.png') no-repeat center;
    background-size: cover;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 16px;
    position: relative;
    z-index: 1;
}

.nav-title {
    color: #306EEB;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    flex: 1;
}

.menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.menu-btn img {
    width: 24px;
    height: 24px;
}

/* Banner区域 */
.banner {
    width: 100%;
    height: 200px;
    position: relative;
    background: linear-gradient(135deg, #6699ff 0%, #306EEB 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('assets/banner-main-bg.png') no-repeat center;
    background-size: cover;
}

.banner-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    width: 315px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.logo {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 10px;
}

.logo-text {
    height: 13px;
}

.logo-symbol {
    height: 16px;
}

.banner-description {
    color: #43434D;
    font-size: 11px;
    font-weight: 400;
    line-height: 1.64;
    text-align: center;
    margin-bottom: 10px;
}

.contact-btn {
    width: 120px;
    height: 36px;
    background-color: #306EEB;
    color: #FFFFFF;
    border: none;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0px 6px 14px 0px rgba(24, 48, 81, 0.08);
    transition: all 0.3s ease;
}

.contact-btn:hover {
    background-color: #2556C7;
    transform: translateY(-1px);
}

/* 公司介绍 */
.company-intro {
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.intro-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    width: 100%;
    max-width: 315px;
}

.intro-title {
    color: #43434D;
    font-size: 18px;
    font-weight: 600;
    text-align: center;
}

.intro-description {
    color: #43434D;
    font-size: 11px;
    font-weight: 400;
    line-height: 1.64;
    text-align: center;
}

/* 服务列表 */
.services-grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 221px;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-icon {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.service-item span {
    color: #43434D;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.26;
}

/* 客户logo展示 */
.client-logos {
    padding: 30px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    position: relative;
}

.logo-container {
    position: relative;
    width: 338.87px;
    height: 302px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 背景圆圈 */
.trust-circles {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 280px;
    height: 280px;
    pointer-events: none;
}

.circle {
    position: absolute;
    border: 1px solid #306EEB;
    border-radius: 50%;
}

.circle-1 {
    width: 240px;
    height: 240px;
    top: 20px;
    left: 20px;
    opacity: 0.3;
}

.circle-2 {
    width: 280px;
    height: 280px;
    top: 0;
    left: 0;
    opacity: 0.15;
}

.circle-3 {
    width: 200px;
    height: 200px;
    top: 40px;
    left: 40px;
    opacity: 0.6;
}

.circle-4 {
    width: 8px;
    height: 8px;
    top: 50px;
    left: 70px;
    background-color: #FFFFFF;
    border: none;
}

.circle-5 {
    width: 6px;
    height: 6px;
    top: 180px;
    left: 10px;
    background-color: #FFFFFF;
    border: none;
}

.circle-6 {
    width: 6px;
    height: 6px;
    top: 30px;
    left: 240px;
    background-color: #FFFFFF;
    border: none;
}

.circle-7 {
    width: 8px;
    height: 8px;
    top: 170px;
    left: 250px;
    background-color: #FFFFFF;
    border: none;
}

.logo-item {
    position: absolute;
    width: 76.61px;
    height: 76.61px;
}

.logo-item:nth-child(1) {
    top: 199px;
    left: 36px;
}

.logo-item:nth-child(2) {
    top: 79px;
    left: 0px;
}

.logo-item:nth-child(3) {
    top: 62.12px;
    right: 0px;
    width: 110.09px;
    height: 110.09px;
}

.logo-item:nth-child(4) {
    top: 0px;
    left: 117.16px;
}

.logo-item:nth-child(5) {
    top: 199px;
    left: 202px;
}

.logo-bg {
    width: 100%;
    height: 100%;
    background-color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0px 6px 60px 0px rgba(24, 48, 81, 0.08);
}

.logo-item:nth-child(3) .logo-bg {
    background: #306EEB;
    border: 2px solid rgba(48, 110, 235, 0.7);
}

.logo-bg span {
    color: #43434D;
    font-size: 12px;
    font-weight: 400;
    text-align: center;
}

.logo-item:nth-child(3) .logo-bg span {
    color: #FFFFFF;
}

.company-info {
    position: absolute;
    top: 111px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 7px;
    width: 134.33px;
    text-align: center;
}

.company-info h3 {
    color: #306EEB;
    font-size: 14px;
    font-weight: 700;
}

.company-info p {
    color: #43434D;
    font-size: 10px;
    font-weight: 400;
    line-height: 1.26;
}

/* 时间线区域 */
.timeline-section {
    background-color: #306EEB;
    padding: 30px 0;
    position: relative;
}

.timeline-title {
    color: #FFFFFF;
    font-size: 18px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 30px;
}

.timeline-container {
    padding: 0 16px;
}

.timeline-progress {
    position: relative;
    height: 14px;
    margin-bottom: 30px;
}

.timeline-line {
    position: absolute;
    top: 7px;
    left: 22px;
    right: 22px;
    height: 1px;
    background-color: #C6D1DF;
}

.timeline-progress-fill {
    position: absolute;
    top: 6px;
    left: 22px;
    width: 80px;
    height: 2px;
    background-color: #FFFFFF;
}

.timeline-number {
    position: absolute;
    left: 0;
    top: 0;
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 600;
    width: 12px;
    text-align: center;
}

.timeline-number-end {
    position: absolute;
    right: 0;
    top: 0;
    color: #FFFFFF;
    font-size: 11px;
    font-weight: 600;
    width: 12px;
    text-align: center;
    opacity: 0.4;
}

.timeline-cards {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 10px;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

.timeline-cards::-webkit-scrollbar {
    height: 4px;
}

.timeline-cards::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.timeline-cards::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.5);
    border-radius: 2px;
}

.timeline-cards::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.7);
}

.timeline-card {
    width: 304px;
    height: 180px;
    background-color: #FFFFFF;
    border-radius: 8px;
    box-shadow: 0px 4px 15px 0px rgba(24, 48, 81, 0.03);
    position: relative;
    flex-shrink: 0;
}

.card-image {
    width: 134px;
    height: 180px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    background-size: cover;
    background-position: center;
    position: absolute;
    left: 0;
    top: 0;
    border-radius: 8px 0 0 8px;
}

.card-content {
    position: absolute;
    right: 0;
    top: 0;
    width: 170px;
    height: 100%;
    padding: 10px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.card-number {
    width: 14px;
    height: 14px;
    background-color: #306EEB;
    color: #43434D;
    font-size: 12px;
    font-weight: 400;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
}

.card-content h3 {
    color: #43434D;
    font-size: 14px;
    font-weight: 600;
    line-height: 2;
    margin-top: 20px;
}

.card-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    background: none;
    border: none;
    color: #306EEB;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    margin-top: auto;
    padding: 0;
}

.card-btn img {
    width: 16px;
    height: 10px;
}

/* 视频区域 */
.video-section {
    padding: 30px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 33px;
}

.video-title {
    color: #43434D;
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    margin: 0;
}

.video-container {
    width: 343px;
    height: 193px;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
}

.video-bg {
    width: 100%;
    height: 100%;
    background: url('assets/special-bg.png') no-repeat center;
    background-size: cover;
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-btn {
    width: 48px;
    height: 48px;
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-bg {
    position: absolute;
    width: 40px;
    height: 40px;
    opacity: 0.3;
}

.play-icon {
    width: 14px;
    height: 16px;
    z-index: 1;
}

/* 关于我们 */
.about-section {
    position: relative;
    width: 375px;
    height: 505px;
    margin: 0 auto;
}

.about-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 375px;
    height: 188px;
    background: url('assets/special-section-bg.png') no-repeat center;
    background-size: cover;
}

.about-cards {
    position: absolute;
    top: 164px;
    left: 16px;
    width: 343px;
    height: 321px;
    background-color: #FFFFFF;
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding: 20px 10px;
}

.about-card {
    width: 343px;
    height: 140px;
    background-color: #FFFFFF;
    border-radius: 8px;
    display: flex;
    box-shadow: 0px 4px 15px 0px rgba(24, 48, 81, 0.03);
    position: relative;
}

.about-card .card-image {
    width: 130px;
    height: 130px;
    background: url('assets/about-bg-1.png') no-repeat center;
    background-size: cover;
    border-radius: 8px;
    flex-shrink: 0;
    position: absolute;
    top: 5px;
    left: 5px;
}

.about-card:nth-child(2) .card-image {
    background: url('assets/about-bg-2.png') no-repeat center;
    background-size: cover;
}

.about-card .card-content {
    position: absolute;
    top: 5px;
    left: 145px;
    width: 193px;
    height: 130px;
    padding: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.about-card h3 {
    color: #43434D;
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 8px 0;
    text-align: left;
    line-height: 1.3;
    width: 100%;
}

.about-card p {
    color: #3E5675;
    font-size: 10px;
    font-weight: 400;
    line-height: 1.5;
    opacity: 0.9;
    margin: 0 0 15px 0;
    text-align: left;
    width: 100%;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    line-clamp: 4;
    overflow: hidden;
}

.about-card .card-btn {
    width: 120px;
    height: 26px;
    border: 1px solid #306EEB;
    background: #FFFFFF;
    color: #306EEB;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    margin: 0;
    justify-content: center;
    display: flex;
    align-items: center;
    line-height: 1.3;
    align-self: flex-start;
    cursor: pointer;
    transition: all 0.3s ease;
}

.about-card .card-btn:hover {
    background-color: #306EEB;
    color: #FFFFFF;
}

.about-divider {
    position: absolute;
    top: 324px;
    left: 31px;
    width: 313px;
    height: 1px;
    background-color: #C6D1DF;
}

/* 社交媒体 */
.social-section {
    background-color: #F2F7FA;
    padding: 30px 0;
}

.social-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    padding: 0 82px;
}

.social-icons {
    display: flex;
    gap: 50px;
    align-items: center;
}

.social-icons img {
    width: 18px;
    height: 16px;
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.social-link span {
    color: #43434D;
    font-size: 12px;
    font-weight: 400;
}

.social-link img {
    width: 16px;
    height: 16px;
}

/* 页脚 */
.footer {
    background-color: #E1E1E6;
    padding: 30px 11px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 5px;
}

.footer-logo .logo-text {
    height: 13px;
}

.footer-logo .logo-symbol {
    height: 16px;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: #43434D;
    font-size: 10px;
    font-weight: 400;
    text-decoration: none;
}

.footer-links span {
    color: #43434D;
    font-size: 10px;
    font-weight: 400;
}

.footer-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.footer-info p {
    color: #43434D;
    font-size: 10px;
    font-weight: 400;
    text-align: center;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 375px) {
    .banner-content {
        width: 100%;
        padding: 0 20px;
    }
    
    .company-intro {
        padding: 20px;
    }
    
    .services-grid {
        width: 100%;
    }
    
    .logo-container {
        width: 100%;
        justify-content: space-around;
    }
    
    .timeline-cards {
        padding: 0 10px;
    }
    
    .social-content {
        padding: 0 20px;
    }
    
    .social-icons {
        gap: 30px;
    }
}

/* 滚动条样式 */
.timeline-cards::-webkit-scrollbar {
    height: 4px;
}

.timeline-cards::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.timeline-cards::-webkit-scrollbar-thumb {
    background: #306EEB;
    border-radius: 2px;
}

.timeline-cards::-webkit-scrollbar-thumb:hover {
    background: #2556C7;
}

/* 联系我们弹框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    background: linear-gradient(135deg, #306EEB 0%, #1e3a8a 100%);
    margin: 10% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    max-height: 80vh;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
    overflow-y: auto;
    overflow-x: hidden;
}

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

.close {
    color: #FFFFFF;
    float: right;
    font-size: 28px;
    font-weight: bold;
    position: absolute;
    top: 15px;
    right: 20px;
    cursor: pointer;
    z-index: 1001;
    transition: color 0.3s ease;
}

.close:hover {
    color: #E5E7EB;
}

.modal-content h2 {
    color: #FFFFFF;
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    padding: 20px 20px 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-info {
    padding: 15px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-info p {
    color: #FFFFFF;
    margin: 3px 0;
    font-size: 12px;
    opacity: 0.9;
}

.contact-form {
    padding: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    color: #FFFFFF;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: none;
    border-radius: 6px;
    font-size: 13px;
    background-color: #FFFFFF;
    color: #1F2937;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
    transform: translateY(-1px);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.submit-btn {
    width: 100%;
    padding: 12px 16px;
    background-color: #FFFFFF;
    color: #306EEB;
    border: 2px solid #FFFFFF;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 5px;
}

.submit-btn:hover {
    background-color: transparent;
    color: #FFFFFF;
    border-color: #FFFFFF;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.submit-btn:active {
    transform: translateY(0);
}

/* 弹框响应式设计 */
@media (max-width: 768px) {
    .modal-content {
        margin: 5% auto;
        width: 95%;
        max-width: 350px;
        max-height: 85vh;
    }
    
    .modal-content h2 {
        font-size: 18px;
        padding: 15px 15px 10px 15px;
    }
    
    .contact-info {
        padding: 10px 15px;
    }
    
    .contact-info p {
        font-size: 11px;
    }
    
    .contact-form {
        padding: 15px;
    }
    
    .form-group {
        margin-bottom: 12px;
    }
    
    .form-group label {
        font-size: 12px;
        margin-bottom: 4px;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 8px 10px;
        font-size: 12px;
    }
    
    .form-group textarea {
        min-height: 70px;
    }
    
    .submit-btn {
        padding: 10px 14px;
        font-size: 13px;
    }
}