:root {
            --primary-dark: #0a2c5e;
            --primary-blue: #1a56b4;
            --accent-gold: #c9a559;
            --light-gray: #f8f9fa;
            --dark-gray: #343a40;
            --transition: all 0.3s ease;
        }
        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.8;
            color: #333;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, .navbar-brand {
            font-family: "Noto Serif SC", "SimSun", serif;
            font-weight: 600;
        }
        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 50px 0;
            }
        }
        .hero-section {
            background: linear-gradient(135deg, rgba(10, 44, 94, 0.9) 0%, rgba(26, 86, 180, 0.85) 100%), url('https://images.unsplash.com/photo-1611974789855-9c2a0a7236a3?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80') center/cover no-repeat;
            color: white;
            padding: 160px 0 100px;
            position: relative;
        }
        .hero-title {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.8rem;
            }
        }
        @media (max-width: 576px) {
            .hero-title {
                font-size: 2.2rem;
            }
        }
        .section-title {
            position: relative;
            padding-bottom: 20px;
            margin-bottom: 50px;
            text-align: center;
            color: var(--primary-dark);
        }
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--accent-gold);
        }
        .section-title.left-align:after {
            left: 0;
            transform: none;
        }
        .btn-primary-custom {
            background-color: var(--primary-blue);
            border-color: var(--primary-blue);
            color: white;
            padding: 12px 32px;
            border-radius: 4px;
            font-weight: 500;
            transition: var(--transition);
        }
        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .nav-shadow {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        .navbar {
            background-color: rgba(255, 255, 255, 0.98) !important;
            transition: var(--transition);
            padding-top: 15px;
            padding-bottom: 15px;
        }
        .navbar-brand {
            color: var(--primary-dark) !important;
            font-size: 1.8rem;
        }
        .nav-link {
            color: var(--dark-gray) !important;
            font-weight: 500;
            margin: 0 8px;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary-blue) !important;
        }
        .nav-link:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary-blue);
            left: 50%;
            bottom: 0;
            transition: var(--transition);
        }
        .nav-link:hover:after, .nav-link.active:after {
            width: 100%;
            left: 0;
        }
        .service-card, .team-card, .news-card {
            border: none;
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .service-card:hover, .team-card:hover, .news-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        .service-icon {
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 20px;
            display: inline-block;
        }
        .team-img {
            height: 280px;
            object-fit: cover;
            object-position: top;
        }
        .news-img {
            height: 220px;
            object-fit: cover;
        }
        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }
        .timeline:after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--light-gray);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        .timeline-content {
            padding: 20px 30px;
            background-color: white;
            position: relative;
            border-radius: 6px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.07);
        }
        .timeline-item:nth-child(odd) .timeline-content:after {
            content: " ";
            height: 0;
            position: absolute;
            top: 22px;
            width: 0;
            z-index: 1;
            right: -15px;
            border: medium solid white;
            border-width: 10px 0 10px 15px;
            border-color: transparent transparent transparent white;
        }
        .timeline-item:nth-child(even) .timeline-content:after {
            content: " ";
            height: 0;
            position: absolute;
            top: 22px;
            width: 0;
            z-index: 1;
            left: -15px;
            border: medium solid white;
            border-width: 10px 15px 10px 0;
            border-color: transparent white transparent transparent;
        }
        .timeline-item:before {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: var(--accent-gold);
            border: 4px solid white;
            border-radius: 50%;
            z-index: 1;
            top: 15px;
        }
        .timeline-item:nth-child(odd):before {
            right: -10px;
        }
        .timeline-item:nth-child(even):before {
            left: -10px;
        }
        @media (max-width: 768px) {
            .timeline:after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .timeline-item:nth-child(odd):before, .timeline-item:nth-child(even):before {
                left: 21px;
            }
            .timeline-item:nth-child(odd) .timeline-content:after, .timeline-item:nth-child(even) .timeline-content:after {
                left: -15px;
                border-width: 10px 15px 10px 0;
                border-color: transparent white transparent transparent;
            }
        }
        .contact-info-box {
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            height: 100%;
            border-top: 4px solid var(--primary-blue);
        }
        .contact-icon {
            font-size: 1.8rem;
            color: var(--primary-blue);
            margin-bottom: 15px;
        }
        footer {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            padding-top: 60px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .social-links a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            color: white;
            transition: var(--transition);
        }
        .social-links a:hover {
            background: var(--primary-blue);
            transform: translateY(-5px);
        }
        .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            margin-top: 40px;
        }
        friendlink {
            display: block;
            margin-top: 30px;
            padding-top: 30px;
            border-top: 1px solid #eee;
        }
        .flink {
            display: inline-block;
            margin: 5px 15px;
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
            font-weight: 500;
        }
        .flink:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-blue);
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 50px;
            font-size: 1.2rem;
            z-index: 1000;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(26, 86, 180, 0.3);
        }
        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: var(--primary-dark);
            transform: translateY(-5px);
        }
        .invest-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 10px;
        }
        .carousel-indicators [data-bs-target] {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            margin: 0 6px;
        }
        .map-container {
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            height: 100%;
        }
        .accordion-button:not(.collapsed) {
            background-color: rgba(26, 86, 180, 0.05);
            color: var(--primary-dark);
            font-weight: 600;
        }
        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(26, 86, 180, 0.25);
        }