/* 鍏ㄥ眬鏍峰紡 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "寰蒋闆呴粦", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f8f9fa;
}

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

/* 瀵艰埅鏍?*/
.navbar {
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5282 100%);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

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

/* TR 瀛楁瘝 Logo */
.logo-icon {
    width: 45px;
    height: 45px;
    position: relative;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    color: white;
    font-size: 22px;
    font-weight: bold;
}

.logo-image {
    width: 140px;
    height: 140px;
    object-fit: contain;
    background: transparent;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 15px;
    flex-wrap: nowrap;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    padding: 8px 12px;
    border-radius: 5px;
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

/* 下拉菜单样式 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5282 100%);
    min-width: 220px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    padding: 10px 0;
    z-index: 1001;
    list-style: none;
}

.dropdown-menu li {
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 20px;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    padding-left: 25px;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown > a::after {
    content: ' ▼';
    font-size: 10px;
}

/* 涓绘í骞?*/
.hero {
    position: relative;
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5282 50%, #4299E1 100%);
    padding: 180px 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(66, 153, 225, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 179, 237, 0.3) 0%, transparent 50%);
}

.hero .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    color: white;
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 22px;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.hero-buttons .btn {
    flex: 1;
    min-width: 200px;
    max-width: 280px;
    text-align: center;
}

/* 鎸夐挳鏍峰紡 */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #48BB78 0%, #38A169 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(72, 187, 120, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(72, 187, 120, 0.5);
}

.btn-secondary {
    background: white;
    color: #1E3A5F;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-outline {
    background: transparent;
    border: 2px solid #4299E1;
    color: #4299E1;
}

.btn-outline:hover {
    background: #4299E1;
    color: white;
}

/* 鏈嶅姟浠嬬粛鍖?*/
.services {
    padding: 80px 0;
    background: white;
}

.section-title {
    text-align: center;
    font-size: 36px;
    color: #1E3A5F;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #4299E1, #48BB78);
    margin: 20px auto 0;
    border-radius: 2px;
}

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

@media (max-width: 992px) {
    .service-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

.service-card {
    background: #f8f9fa;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #e2e8f0;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #4299E1;
}

.service-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border-color: #4299E1;
}

.service-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 28px;
    color: #1E3A5F;
    margin-bottom: 15px;
}

.service-card p {
    color: #666;
    font-size: 16px;
    margin-bottom: 25px;
    line-height: 1.8;
}

.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 30px;
    background: white;
    padding: 25px;
    border-radius: 10px;
}

.service-features li {
    padding: 10px 0;
    color: #444;
    font-size: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.service-features li:last-child {
    border-bottom: none;
}

/* 鏍稿績浼樺娍鍖?*/
.advantages {
    padding: 80px 0;
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5282 100%);
}

.advantages .section-title {
    color: white;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 35px 25px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s;
}

.advantage-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.advantage-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.advantage-number {
    font-size: 48px;
    font-weight: bold;
    color: rgba(255, 255, 255, 0.3);
    margin-bottom: 15px;
}

.advantage-item h4 {
    color: white;
    font-size: 20px;
    margin-bottom: 12px;
}

.advantage-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    line-height: 1.7;
}

/* 搴曢儴 */
.footer {
    background: #1a252f;
    padding: 50px 0 30px;
    color: rgba(255, 255, 255, 0.8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
}

.footer-info h4 {
    color: white;
    font-size: 22px;
    margin-bottom: 10px;
}

.footer-info p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-contact p {
    margin: 12px 0;
    font-size: 15px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* 鍥㈤槦鐓х墖婊戝潡鏍峰紡 */
.team-photos-section {
    margin-top: 60px;
    padding: 40px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 16px;
}

.team-title {
    text-align: center;
    font-size: 28px;
    color: #1E3A5F;
    margin-bottom: 30px;
    position: relative;
}

.team-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #4299E1, #48BB78);
    margin: 10px auto 0;
    border-radius: 2px;
}

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

.slider-container {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.slider-track {
    display: flex;
    transition: transform 0.6s ease-in-out;
}

.photo-slide {
    flex: 0 0 100%;
    max-width: 100%;
}

.photo-slide {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 400px;
}

.photo-slide img {
    width: 100%;
    height: 400px;
    display: block;
    border-radius: 12px;
    object-fit: cover;
}

.slider-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none;
}

.control-btn {
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    color: #1E3A5F;
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s;
    pointer-events: all;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
}

.control-btn:hover {
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.slider-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
    cursor: pointer;
    transition: all 0.3s;
}

.indicator.active {
    background: linear-gradient(90deg, #4299E1, #48BB78);
    transform: scale(1.2);
}

.indicator:hover {
    background: #4299E1;
}

/* 鍝嶅簲寮忚璁?*/
@media (max-width: 1100px) {
    .nav-links {
        gap: 10px;
    }
    .nav-links a {
        font-size: 13px;
        padding: 6px 10px;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-links a {
        font-size: 12px;
        padding: 5px 8px;
    }
    
    .service-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .team-photos-section {
        margin: 40px 20px;
        padding: 20px;
    }
    
    .team-title {
        font-size: 24px;
    }
    
    .control-btn {
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
}


/* 团队实力展示 */
.team-background {
    padding: 80px 0;
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5282 100%);
    text-align: center;
}

.client-count {
    margin-bottom: 50px;
}

.count-number {
    font-size: 72px;
    font-weight: bold;
    color: #F6E05E;
    line-height: 1;
    margin-bottom: 10px;
    text-shadow: 0 4px 20px rgba(246, 224, 94, 0.3);
}

.count-label {
    font-size: 24px;
    color: white;
    font-weight: 500;
}

.team-background .section-title {
    color: white;
    margin-bottom: 40px;
}

.team-background .section-title::after {
    background: rgba(255, 255, 255, 0.3);
}

.company-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.company-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px 25px;
    border-radius: 50px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.company-logo:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.company-logo .logo-icon {
    width: 32px;
    height: 32px;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.company-logo span {
    color: white;
    font-size: 18px;
    font-weight: 500;
}

@media (max-width: 768px) {
    .count-number {
        font-size: 48px;
    }
    
    .count-label {
        font-size: 18px;
    }
    
    .company-logos {
        gap: 20px;
    }
    
    .company-logo {
        padding: 12px 20px;
    }
    
    .company-logo span {
        font-size: 14px;
    }
}

/* 首页轮播样式 */
.hero-carousel {
    position: relative;
    height: 500px;
    overflow: hidden;
    background: linear-gradient(135deg, #1E3A5F 0%, #2C5282 50%, #4299E1 100%);
}

.carousel-container {
    position: relative;
    height: 100%;
    width: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.carousel-slide .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.carousel-slide .container {
    position: relative;
    z-index: 2;
    text-align: center;
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.carousel-indicators .indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicators .indicator:hover {
    background: rgba(255, 255, 255, 0.7);
}

.carousel-indicators .indicator.active {
    background: white;
    transform: scale(1.2);
}

/* 轮播箭头 */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    font-size: 24px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
}

.carousel-prev {
    left: 30px;
}

.carousel-next {
    right: 30px;
}

@media (max-width: 768px) {
    .hero-carousel {
        height: 400px;
    }
    .carousel-arrow {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    .carousel-prev {
        left: 15px;
    }
    .carousel-next {
        right: 15px;
    }
}

/* 轮播海报背景装饰图案 */
.bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    pointer-events: none;
}

/* 科技网格线条 */
.pattern-tech {
    background-image: 
        linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
}
.pattern-tech::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 10%;
    width: 200px;
    height: 200px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 50%;
}
.pattern-tech::after {
    content: '';
    position: absolute;
    bottom: 30%;
    right: 15%;
    width: 150px;
    height: 150px;
    border: 2px solid rgba(255,255,255,0.15);
    transform: rotate(45deg);
}

/* 网络连接线 */
.pattern-network {
    background-image: radial-gradient(circle at 20% 30%, rgba(255,255,255,0.2) 2px, transparent 2px),
                      radial-gradient(circle at 60% 20%, rgba(255,255,255,0.2) 2px, transparent 2px),
                      radial-gradient(circle at 40% 60%, rgba(255,255,255,0.2) 2px, transparent 2px),
                      radial-gradient(circle at 80% 50%, rgba(255,255,255,0.2) 2px, transparent 2px),
                      radial-gradient(circle at 70% 80%, rgba(255,255,255,0.2) 2px, transparent 2px);
}
.pattern-network::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 48%, rgba(255,255,255,0.1) 49%, rgba(255,255,255,0.1) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(255,255,255,0.1) 49%, rgba(255,255,255,0.1) 51%, transparent 52%);
    background-size: 100px 100px;
}

/* 波浪线条 */
.pattern-wave {
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 50px,
        rgba(255,255,255,0.05) 50px,
        rgba(255,255,255,0.05) 51px
    );
}
.pattern-wave::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transform: translateY(-50%);
}
.pattern-wave::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 30% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
}

/* 几何点阵 */
.pattern-dots {
    background-image: radial-gradient(circle, rgba(255,255,255,0.3) 2px, transparent 2px);
    background-size: 30px 30px;
}
.pattern-dots::before {
    content: '';
    position: absolute;
    top: 10%;
    right: 10%;
    width: 300px;
    height: 300px;
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 50%;
}
.pattern-dots::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: 5%;
    width: 100px;
    height: 100px;
    background: rgba(255,255,255,0.05);
    transform: rotate(45deg);
}