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

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

a {
    text-decoration: none;
    color: #0a2b5f;
    transition: all 0.3s ease;
}

a:hover {
    color: #1e56a0;
}

/* 动画 */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(30, 86, 160, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(30, 86, 160, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(30, 86, 160, 0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

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

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

@keyframes glow {
    0% {
        box-shadow: 0 0 5px rgba(30, 86, 160, 0.5);
        transform: translateY(0);
    }
    50% {
        box-shadow: 0 0 20px rgba(30, 86, 160, 0.8), 0 0 30px rgba(52, 152, 219, 0.6);
        transform: translateY(-3px);
    }
    100% {
        box-shadow: 0 0 5px rgba(30, 86, 160, 0.5);
        transform: translateY(0);
    }
}

/* 导航栏 */
.header {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: fadeInLeft 0.8s ease-out forwards;
}

.logo img {
    height: 40px;
    width: auto;
}

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

.nav-links .nav-item {
    position: relative;
}

.nav-links a.nav-link {
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
    display: inline-block;
}

.nav-links .subnav {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1001;
    padding: 8px 0;
}

.nav-links .nav-item:hover .subnav {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-links .subnav a {
    display: block;
    padding: 10px 15px;
    color: #333;
    font-weight: 400;
    border-bottom: 1px solid #f0f0f0;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    margin: 2px 0;
}

.nav-links .subnav a:hover {
    background-color: rgba(30, 86, 160, 0.1);
    color: #1e56a0;
    transform: translateX(5px);
    border-left: 3px solid #1e56a0;
    padding-left: 18px;
}

.nav-links .nav-item:nth-child(1) .nav-link {
    animation-delay: 0.1s;
}

.nav-links .nav-item:nth-child(2) .nav-link {
    animation-delay: 0.2s;
}

.nav-links .nav-item:nth-child(3) .nav-link {
    animation-delay: 0.3s;
}

.nav-links .nav-item:nth-child(4) .nav-link {
    animation-delay: 0.4s;
}

.nav-links .nav-item:nth-child(5) .nav-link {
    animation-delay: 0.5s;
}

.nav-links a.nav-link:hover {
    background-color: rgba(30, 86, 160, 0.1);
    transform: translateY(-2px);
}

.nav-links a.nav-link .fa-caret-down {
    margin-left: 4px;
    transition: transform 0.3s ease;
}

.nav-links .nav-item:hover a.nav-link .fa-caret-down {
    transform: rotate(180deg);
}

.nav-links a.nav-link.active {
    color: #1e56a0;
    background-color: rgba(30, 86, 160, 0.1);
    font-weight: 700;
}

.nav-links a i {
    margin-right: 5px;
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: #0a2b5f;
}

/* 移动端样式 */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 80%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
        transition: left 0.3s ease;
        overflow-y: auto;
        z-index: 1000;
    }

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

    .nav-links .nav-item {
        width: 100%;
        margin-bottom: 10px;
    }

    .nav-links a.nav-link {
        width: 100%;
        padding: 12px 15px;
    }

    .nav-links .subnav {
        position: static;
        opacity: 1;
        visibility: hidden;
        height: 0;
        overflow: hidden;
        box-shadow: none;
        transform: none;
        transition: height 0.3s ease;
        margin-left: 15px;
        width: calc(100% - 15px);
        padding: 0;
        background-color: #f5f7fa;
        border-radius: 4px;
    }

    .nav-links .subnav.mobile-visible {
        visibility: visible;
        height: auto;
        margin-top: 5px;
        margin-bottom: 5px;
        padding: 5px 0;
    }

    .nav-links .nav-item:hover .subnav {
        opacity: 1;
        visibility: hidden;
        transform: none;
        height: 0;
    }

    .nav-links .subnav a {
        border-left: none;
        border-left: 3px solid transparent;
        padding: 8px 15px;
    }

    .nav-links .subnav a:hover {
        background-color: rgba(30, 86, 160, 0.1);
    }
}

/* Hero区域 */
.hero {
    background: linear-gradient(135deg, #0a2b5f 0%, #1e56a0 100%);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(30, 86, 160, 0.4) 0%, rgba(10, 43, 95, 0) 50%),
                radial-gradient(circle at 80% 30%, rgba(30, 86, 160, 0.4) 0%, rgba(10, 43, 95, 0) 50%);
}

.hero-inner, .hero-content {
    display: flex;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text, .left {
    flex: 1;
    padding-right: 30px;
}

.hero-text h1 {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    opacity: 0;
    animation: fadeInLeft 1s ease-out 0.3s forwards;
}

.hero-text p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0;
    animation: fadeInLeft 1s ease-out 0.6s forwards;
}

.btn, .cta {
    display: inline-block;
    background: linear-gradient(45deg, #1e56a0, #3498db);
    color: white;
    padding: 12px 25px;
    border-radius: 30px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(30, 86, 160, 0.3);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: fadeIn 1s ease-out forwards, glow 3s infinite;
    margin-top: 10px;
}

.btn::before, .cta::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.6s ease;
}

.btn:hover, .cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(30, 86, 160, 0.4);
    color: white;
}

.btn:hover::before, .cta:hover::before {
    left: 100%;
}

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

.hero-image img, .right img {
    max-width: 90%;
    transform: perspective(1000px) rotateY(-10deg) translateZ(0);
    transition: all 0.5s ease;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    opacity: 0;
    animation: parallax 10s infinite alternate ease-in-out, fadeInRight 1s ease-out 0.9s forwards;
}

@keyframes parallax {
    0% { transform: perspective(1000px) rotateY(-10deg) translateZ(0); }
    100% { transform: perspective(1000px) rotateY(10deg) translateZ(20px); }
}

.hero-image img:hover, .right img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.05);
}

/* 统计数据 */
.stats, .hero-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    flex: 1;
    min-width: 120px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    margin: 0 10px;
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.2s forwards;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
    background: linear-gradient(45deg, #ffffff, #0e0d0d);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: count-up 2s ease-in-out;
}

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

.stat-numbers {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
    background: linear-gradient(45deg, #ffffff, #d1d1d1);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* 业务范畴 */
.services-scope {
    padding: 60px 0;
    background-color: #f8f9fa;
}

.services-intro {
    text-align: center;
    max-width: 1400px;
    margin: 0 auto 40px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 25px;
    margin-bottom: 40px;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.service-item {
    background-color: #fff;
    border-radius: 10px;
    padding: 22px 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(30, 86, 160, 0.1);
}

.service-item .service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #1e56a0, #3498db);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 28px;
    transition: all 0.3s ease;
}

.service-item:hover .service-icon {
    transform: rotateY(180deg);
}

.service-item h3 {
    margin-bottom: 15px;
    color: #0a2b5f;
    font-size: 19px;
}

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

.cta-container {
    text-align: center;
    margin-top: 20px;
}

@media (max-width: 992px) {
    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
        max-width: 90%;
        margin-left: auto;
        margin-right: auto;
    }

    .service-item {
        padding: 20px;
    }

    .service-item .service-icon {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }

    .services-intro {
        max-width: 90%;
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
        max-width: 95%;
    }

    .services-intro {
        max-width: 95%;
    }
}

@media (max-width: 576px) {
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 100%;
    }
}

/* 卡片 */
.card {
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    text-align: center;
    transform-style: preserve-3d;
    perspective: 1000px;
    border: 1px solid rgba(52, 152, 219, 0.1);
}

.card {
     opacity: 0;
     transform: translateY(50px);
     transition: all 0.3s ease;
     animation: fadeInUp 1s ease-out forwards;
}

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

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }
.card:nth-child(5) { animation-delay: 0.5s; }
.card:nth-child(6) { animation-delay: 0.6s; }

.card:hover {
     transform: translateY(-10px) rotateY(10deg);
     box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2), 0 0 15px rgba(52, 152, 219, 0.3);
     transition: all 0.3s ease;
     border-color: rgba(52, 152, 219, 0.5);
}

.card:hover .feature-icon {
     transform: translateZ(30px) scale(1.1) rotate(5deg);
     background-color: rgba(52, 152, 219, 0.2);
     box-shadow: 0 0 15px rgba(52, 152, 219, 0.4);
}

.card:hover h3 {
     transform: translateZ(25px);
     color: #1e56a0;
}

.card:hover p {
     transform: translateZ(15px);
     color: #333;
}

.card h3 {
    color: #0a2b5f;
    margin-bottom: 18px;
    font-size: 1.6rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 12px;
    transform: translateZ(15px);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.card h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #1e56a0);
    border-radius: 3px;
}

.card p {
    color: #555;
    flex-grow: 1;
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 20px;
    transform: translateZ(10px);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 服务区 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin: 40px 0;
}

.services {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.section-title {
    text-align: center;
    color: #0a2b5f;
    margin: 50px 0 30px;
    font-size: 2rem;
    position: relative;
    padding-bottom: 15px;
    opacity: 0;
    animation: fadeIn 1s ease-out forwards;
}

.section-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(45deg, #1e56a0, #3498db);
    border-radius: 3px;
}

/* 资质图片预览 */
.license-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.license-item {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.license-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: all 0.5s ease;
}

.license-item:hover img {
    transform: scale(1.1);
}

/* 资质预览页面样式 */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.preview-box {
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-align: center;
    padding: 20px;
    background-color: #fff;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.preview-box:nth-child(1) {
    animation-delay: 0.1s;
}

.preview-box:nth-child(2) {
    animation-delay: 0.3s;
}

.preview-box h3 {
    color: #1E90FF;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.preview-box img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    transition: all 0.5s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 5px;
}

.preview-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.preview-box:hover img {
    transform: scale(1.02);
}

/* 底部 */
.footer {
    background-color: #0a2b5f;
    color: white;
    padding: 20px 0;
    margin-top: 60px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 40px 0;
}

.footer-section {
    flex: 1;
    min-width: 250px;
    margin-bottom: 20px;
    padding-right: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s ease-out forwards;
}

.footer-section:nth-child(1) {
    animation-delay: 0.1s;
}

.footer-section:nth-child(2) {
    animation-delay: 0.3s;
}

.footer-section:nth-child(3) {
    animation-delay: 0.5s;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-section h3::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: #3498db;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.3s ease;
}

.footer-section ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-section ul li i,
.contact-info li i {
    margin-right: 10px;
    color: #3498db;
}

.copyright, .footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    opacity: 0;
    animation: fadeIn 1s ease-out 0.8s forwards;
}

/* 文本块 */
.text-block {
    margin-bottom: 30px;
}

.text-block h2 {
    color: #0a2b5f;
    margin-bottom: 15px;
    font-size: 1.8rem;
}

.text-block h2 i {
    color: #3498db;
    margin-right: 10px;
}

.text-block p {
    color: #666;
    line-height: 1.8;
}

/* 联系表单 */
.contact-form {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #0a2b5f;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
    outline: none;
}

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

/* 特性图标 */
.features {
    display: block;
    margin: 40px 0;
    padding: 60px 0;
}

.feature-item {
    display: flex;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    color: #3498db;
    margin: 0 auto 20px;
    padding: 15px;
    background-color: rgba(52, 152, 219, 0.1);
    border-radius: 50%;
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    animation: fadeIn 1s ease-out 0.3s forwards;
    transform: translateZ(20px);
    position: relative;
    overflow: hidden;
}

.feature-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0) 70%);
    top: -50%;
    left: -50%;
    transition: all 0.5s ease;
    opacity: 0;
}

.card:hover .feature-icon::after {
    top: -20%;
    left: -20%;
    opacity: 1;
}

.card:hover .feature-icon {
    transform: scale(1.1);
    background-color: rgba(52, 152, 219, 0.2);
}

.feature-text h3 {
    color: #0a2b5f;
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.feature-text p {
    color: #666;
}

/* 客户评价 */
.testimonials {
    background-color: #f8f9fa;
    padding: 60px 0;
    margin: 60px 0;
}

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

.testimonial-card {
    position: relative;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-quote, .testimonial-content i {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 2rem;
    color: #3498db;
    opacity: 0.4;
    line-height: 1;
}

.testimonial-text, .testimonial-content p {
    font-style: italic;
    margin: 30px 0 20px;
    color: #555;
}

.testimonial-author {
    display: flex;
    align-items: center;
    margin-top: 15px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    padding-top: 15px;
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    margin-right: 15px;
    object-fit: cover;
}

.author-info h4 {
    margin: 0;
    color: #0a2b5f;
    font-size: 1rem;
}

.author-info p {
    margin: 0;
    font-size: 0.9rem;
    color: #777;
}

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #0a2b5f 0%, #1e56a0 100%);
    color: white;
    padding: 40px 0;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(30, 86, 160, 0.4) 0%, rgba(10, 43, 95, 0) 50%),
                radial-gradient(circle at 80% 30%, rgba(30, 86, 160, 0.4) 0%, rgba(10, 43, 95, 0) 50%);
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    position: relative;
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    position: relative;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb .separator {
    margin: 0 10px;
    color: rgba(255, 255, 255, 0.5);
}

.breadcrumb .current {
    color: white;
}

/* 关于我们页面 */
.about-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    margin: 40px 0;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-image {
    flex: 1;
    min-width: 300px;
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

/* 价值观部分 */
.values {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

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

.value-icon {
    font-size: 2.5rem;
    color: #3498db;
    background-color: rgba(52, 152, 219, 0.1);
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 20px;
    transition: all 0.3s ease;
}

.value-card:hover .value-icon {
    transform: scale(1.1);
    background-color: rgba(52, 152, 219, 0.2);
}

.value-card h3 {
    margin-bottom: 15px;
}

/* 服务页面样式 */
.services-intro {
    margin: 40px 0 60px;
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, rgba(10, 43, 95, 0.02), rgba(52, 152, 219, 0.05));
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.services-intro::before {
    content: "";
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(52, 152, 219, 0.1) 0%, rgba(10, 43, 95, 0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.services-intro::after {
    content: "";
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(52, 152, 219, 0.1) 0%, rgba(10, 43, 95, 0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin: 40px 0 80px;
    padding: 20px;
    position: relative;
    z-index: 1;
}

.services-grid::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10, 43, 95, 0.03), rgba(52, 152, 219, 0.03));
    border-radius: 20px;
    z-index: -1;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.05);
}

.service-card {
    text-align: center;
    position: relative;
    overflow: hidden;
    padding-bottom: 60px;
    height: 400px;
    transition: all 0.3s ease;
    border: 1px solid rgba(0,0,0,0.05);
    border-radius: 12px;
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border-color: rgba(52, 152, 219, 0.3);
    background: linear-gradient(145deg, #ffffff, #f0f8ff);
}

.service-card::after {
    content: "查看详情 \f078";
    font-family: 'Font Awesome 5 Free', serif;
    font-weight: 900;
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.9rem;
    color: #3498db;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.service-card:hover::after {
    opacity: 0;
}

.service-icon {
    font-size: 3rem;
    color: #3498db;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(52, 152, 219, 0.2));
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    margin: 0 auto 25px;
    transition: all 0.4s ease;
    box-shadow: 0 10px 20px rgba(52, 152, 219, 0.15);
    border: 2px solid rgba(52, 152, 219, 0.1);
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    background-color: rgba(52, 152, 219, 0.2);
}

.service-details {
    list-style: none;
    text-align: left;
    margin-top: 20px;
    position: absolute;
    bottom: -100%;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 255, 0.98));
    padding: 25px;
    border-top: 3px solid #3498db;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    z-index: 10;
    max-height: 85%;
    overflow-y: auto;
    border-radius: 0 0 12px 12px;
}

.service-details:before {
    content: "功能详情";
    display: block;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(52, 152, 219, 0.3);
    text-align: center;
    font-size: 1.3rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    background: linear-gradient(90deg, #0a2b5f, #3498db);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.service-card:hover .service-details {
    bottom: 0;
    transform: translateY(0);
}

.detail-category {
    margin-bottom: 15px;
    animation: fadeInUp 0.5s ease forwards;
    opacity: 0;
    transform: translateY(10px);
}

.detail-category:nth-child(2) { animation-delay: 0.1s; }
.detail-category:nth-child(3) { animation-delay: 0.2s; }

.detail-category h4 {
    color: #0a2b5f;
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 6px;
    background: linear-gradient(90deg, rgba(52, 152, 219, 0.1), rgba(10, 43, 95, 0.05));
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    font-weight: 600;
}

.detail-category h4 i {
    margin-right: 10px;
    color: #3498db;
    font-size: 1.2rem;
    background: rgba(52, 152, 219, 0.15);
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(52, 152, 219, 0.2);
}

.service-details li {
    margin-bottom: 12px;
    color: #444;
    display: flex;
    align-items: center;
    animation: fadeInRight 0.5s ease forwards;
    opacity: 0;
    transform: translateX(-10px);
    padding: 8px 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
    font-size: 1.05rem;
    background: rgba(255, 255, 255, 0.5);
}

.service-details li:hover {
    background: rgba(52, 152, 219, 0.05);
    transform: translateX(5px);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.detail-category:nth-child(2) li:nth-child(1) { animation-delay: 0.15s; }
.detail-category:nth-child(2) li:nth-child(2) { animation-delay: 0.2s; }
.detail-category:nth-child(3) li:nth-child(1) { animation-delay: 0.25s; }
.detail-category:nth-child(3) li:nth-child(2) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.service-details li i {
    color: white;
    margin-right: 12px;
    font-size: 0.9rem;
    background: linear-gradient(135deg, #3498db, #1e56a0);
    width: 25px;
    height: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(52, 152, 219, 0.3);
}

.service-details.large {
    position: static;
    background-color: #f8f9fa;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.service-details.large:before {
    content: "企业服务详情";
}

.service-details.large .detail-category h4 {
    font-size: 1.1rem;
    color: #0a2b5f;
}

.service-details.large li {
    font-size: 1.05rem;
    margin-bottom: 15px;
}

/* 保持向后兼容 */
.service-features {
    list-style: none;
    text-align: left;
    margin-top: 20px;
    position: absolute;
    bottom: -100%;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 15px;
    border-top: 1px solid rgba(52, 152, 219, 0.3);
    transition: bottom 0.3s ease-in-out;
    box-shadow: 0 -5px 15px rgba(0, 0, 0, 0.1);
}

.service-card:hover .service-features {
    bottom: 0;
}

.service-features li {
    margin-bottom: 8px;
    color: #555;
    display: flex;
    align-items: center;
}

.service-features li i {
    color: #3498db;
    margin-right: 8px;
}

.service-features.large li {
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.enterprise-services {
    background: linear-gradient(135deg, #f8f9fa, #f0f8ff);
    padding: 60px;
    border-radius: 20px;
    margin-bottom: 60px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(52, 152, 219, 0.1);
}

.enterprise-services::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(52, 152, 219, 0.1) 0%, rgba(10, 43, 95, 0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.enterprise-content {
    display: flex;
    flex-wrap: wrap;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.enterprise-image {
    flex: 1;
    min-width: 300px;
}

.enterprise-image img {
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform: perspective(1000px) rotateY(-5deg);
    transition: all 0.5s ease;
    border: 5px solid white;
}

.enterprise-image img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.03);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

/* 联系页面样式 */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 30px;
    margin-bottom: 50px;
}

.contact-container.no-form {
    grid-template-columns: 1fr;
    max-width: 700px;
    margin: 0 auto 50px;
}

.contact-info-card {
    height: 100%;
}

.contact-info-card h2 {
    margin-bottom: 25px;
    color: #0a2b5f;
    font-size: 1.8rem;
}

.contact-info-card h2 i {
    color: #3498db;
    margin-right: 10px;
}

.contact-details {
    list-style: none;
    margin-bottom: 30px;
}

.contact-details li {
    display: flex;
    margin-bottom: 20px;
    align-items: flex-start;
}

.contact-details li i {
    color: #3498db;
    font-size: 1.2rem;
    margin-right: 15px;
    margin-top: 5px;
    width: 20px;
    text-align: center;
}

.contact-details li div {
    flex: 1;
}

.contact-details li strong {
    display: block;
    color: #0a2b5f;
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-details li p {
    color: #666;
    margin: 0;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: rgba(52, 152, 219, 0.1);
    color: #3498db;
    border-radius: 50%;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background-color: #3498db;
    color: white;
    transform: translateY(-5px);
}

.contact-form h2 {
    margin-bottom: 20px;
    color: #0a2b5f;
    font-size: 1.8rem;
}

.contact-form h2 i {
    color: #3498db;
    margin-right: 10px;
}

.form-intro {
    margin-bottom: 25px;
    color: #666;
}

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

.form-submit {
    text-align: right;
    margin-top: 30px;
}

.map-section {
    margin-bottom: 60px;
}

.map-section h2 {
    margin-bottom: 20px;
    color: #0a2b5f;
    font-size: 1.8rem;
}

.map-section h2 i {
    color: #3498db;
    margin-right: 10px;
}

.map-container {
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.map-info {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.map-info p {
    flex: 1;
    min-width: 250px;
    color: #666;
}

.map-info p i {
    color: #3498db;
    margin-right: 10px;
}

.map-info p strong {
    color: #0a2b5f;
    margin-right: 5px;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero-content {
        flex-direction: column;
    }

    .hero-text {
        padding-right: 0;
        margin-bottom: 40px;
        text-align: center;
    }

    .stats {
        justify-content: center;
    }

    .stat-item {
        min-width: 140px;
        margin-bottom: 20px;
    }

    .about-content,
    .enterprise-content {
        flex-direction: column;
    }

    .contact-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: white;
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
    }

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

    .hero-text h1 {
        font-size: 2.2rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .footer-content {
        flex-direction: column;
    }

    .footer-section {
        margin-bottom: 30px;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .service-card {
        height: 380px;
    }
}

@media (max-width: 992px) {
    .detail-category {
        margin-bottom: 10px;
    }

    .detail-category h4 {
        font-size: 0.95rem;
    }

    .service-details li {
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .service-card {
        height: auto;
        min-height: 300px;
    }

    .service-details {
        max-height: none;
    }

    .detail-category {
        margin-bottom: 15px;
    }

    .service-details:before {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 60px 0;
    }

    .hero-text h1 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .stat-item {
        min-width: 120px;
        margin: 0 5px 15px;
        padding: 10px;
    }

    .stat-number {
        font-size: 1.6rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .card {
        padding: 20px;
    }

    .services,
    .features,
    .testimonial-grid,
    .values,
    .services-grid {
        grid-template-columns: 1fr;
    }

    .social-links {
        justify-content: center;
    }

    .service-card {
        height: auto;
        padding-bottom: 30px;
    }

    .service-features {
        position: static;
        background-color: transparent;
        box-shadow: none;
        border-top: none;
        padding: 0;
    }

    .service-details {
        padding: 15px;
    }

    .detail-category h4 {
        font-size: 0.9rem;
    }

    .service-details li i {
        font-size: 0.8rem;
    }

    .service-details li {
        font-size: 0.85rem;
        margin-bottom: 6px;
    }
}
.contact-form {
    background: linear-gradient(145deg, #ffffff, #f8fbff);
    border: 1px solid rgba(52, 152, 219, 0.15);
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.contact-form:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.contact-form h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #0a2b5f;
    text-align: center;
    position: relative;
}

.contact-form h2::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #1e56a0);
    margin: 10px auto 0;
    border-radius: 3px;
}

.form-group label i {
    margin-right: 8px;
    color: #3498db;
}

.form-control {
    border: 1px solid #ccd6e0;
    border-radius: 8px;
    padding: 12px 15px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: #fdfdfd;
}

.form-control:focus {
    border-color: #3498db;
    background-color: #ffffff;
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.15);
}

textarea.form-control {
    min-height: 140px;
}

.form-submit button.btn {
    background: linear-gradient(45deg, #1e56a0, #3498db);
    border-radius: 30px;
    font-size: 1rem;
    padding: 12px 25px;
    transition: all 0.3s ease;
}

.form-submit button.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(30, 86, 160, 0.3);
}