:root {
            --gold: #C4A35A;
            --gold-light: #D4B86A;
            --gold-dark: #A08040;
            --white: #FFFFFF;
            --off-white: #FAFAFA;
            --light-gray: #F5F5F5;
            --text-dark: #333333;
            --text-gray: #666666;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Noto Sans TC', sans-serif;
            background-color: var(--off-white);
            color: var(--text-dark);
            line-height: 1.8;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: var(--white);
            box-shadow: 0 2px 20px rgba(0,0,0,0.08);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .logo img {
            height: 55px;
            transition: transform 0.3s ease;
        }

        .logo:hover img {
            transform: scale(1.05);
        }

        .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 2px;
        }

        /* Navigation */
        nav {
            display: flex;
            align-items: center;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 5px;
        }

        .nav-menu > li {
            position: relative;
        }

        .nav-menu > li > a {
            display: block;
            padding: 10px 20px;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            border-radius: 5px;
        }

        .nav-menu > li > a:hover,
        .nav-menu > li > a.active {
            color: var(--gold);
            background: rgba(196, 163, 90, 0.1);
        }

        /* Dropdown */
        .dropdown {
            position: absolute;
            top: 100%;
            left: 0;
            background: var(--white);
            min-width: 200px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            border-radius: 10px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            padding: 10px 0;
        }

        .nav-menu > li:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .dropdown a {
            display: block;
            padding: 12px 25px;
            color: var(--text-gray);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .dropdown a:hover {
            color: var(--gold);
            background: rgba(196, 163, 90, 0.08);
            padding-left: 30px;
        }

        /* Hamburger Menu */
        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 45px;
            height: 45px;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            border: none;
            border-radius: 12px;
            cursor: pointer;
            gap: 5px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(196, 163, 90, 0.3);
        }

        .hamburger:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(196, 163, 90, 0.4);
        }

        .hamburger span {
            width: 22px;
            height: 2.5px;
            background: var(--white);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        /* Page Banner */
        .page-banner {
            margin-top: 80px;
            height: 350px;
            background: linear-gradient(135deg, rgba(196, 163, 90, 0.9), rgba(160, 128, 64, 0.95)), var(--page-banner-image, url('/assets/images/source/b002.png'));
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--white);
            position: relative;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 100px;
            background: linear-gradient(to top, var(--off-white), transparent);
        }

        .page-banner h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: 15px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease forwards 0.3s;
        }

        .page-banner p {
            font-size: 1.2rem;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease forwards 0.5s;
        }

        .breadcrumb {
            margin-top: 20px;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 1s ease forwards 0.7s;
        }

        .breadcrumb a {
            color: rgba(255,255,255,0.8);
            transition: color 0.3s ease;
        }

        .breadcrumb a:hover {
            color: var(--white);
        }

        .breadcrumb span {
            margin: 0 10px;
            opacity: 0.6;
        }

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

        /* Section Styles */
        .section {
            padding: 100px 30px;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.5rem;
            color: var(--text-dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-light), var(--gold-dark));
            border-radius: 3px;
        }

        .section-header p {
            color: var(--text-gray);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 20px auto 0;
        }

        /* Finance Section */
        .finance-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .finance-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 40px rgba(0,0,0,0.05);
            transition: all 0.4s ease;
        }

        .finance-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(0,0,0,0.1);
        }

        .finance-card .card-header {
            padding: 40px;
            background: linear-gradient(135deg, #1a365d, #2c5282);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .finance-card:nth-child(2) .card-header {
            background: linear-gradient(135deg, #744210, #975a16);
        }

        .finance-card .card-header::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
        }

        .finance-card .card-header .icon {
            width: 70px;
            height: 70px;
            background: rgba(255,255,255,0.2);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .finance-card .card-header .icon i {
            font-size: 2rem;
            color: var(--white);
        }

        .finance-card .card-header h3 {
            font-size: 1.6rem;
            margin-bottom: 10px;
        }

        .finance-card .card-header .license {
            display: inline-block;
            padding: 5px 15px;
            background: rgba(255,255,255,0.2);
            border-radius: 20px;
            font-size: 0.85rem;
        }

        .finance-card .card-body {
            padding: 40px;
        }

        .finance-card .card-body p {
            color: var(--text-gray);
            margin-bottom: 25px;
            font-size: 1rem;
            line-height: 1.9;
        }

        .finance-card .subsidiaries {
            background: var(--light-gray);
            border-radius: 12px;
            padding: 20px;
        }

        .finance-card .subsidiaries h4 {
            font-size: 0.9rem;
            color: var(--text-dark);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .finance-card .subsidiaries h4 i {
            color: var(--gold);
        }

        .finance-card .subsidiaries ul {
            list-style: none;
        }

        .finance-card .subsidiaries ul li {
            padding: 10px 0;
            color: var(--text-gray);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .finance-card .subsidiaries ul li:last-child {
            border-bottom: none;
        }

        .finance-card .subsidiaries ul li i {
            color: var(--gold);
            font-size: 0.7rem;
        }

        .finance-card .services {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .finance-card .services span {
            padding: 8px 16px;
            background: rgba(196, 163, 90, 0.1);
            color: var(--gold-dark);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* Mining Partners Section */
        .mining-section {
            background: var(--light-gray);
        }

        .mining-partners-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .mining-partner-card {
            background: var(--white);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.05);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .mining-partner-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--gold), var(--gold-dark));
        }

        .mining-partner-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(0,0,0,0.1);
        }

        .mining-partner-card .card-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, rgba(196, 163, 90, 0.1), rgba(196, 163, 90, 0.2));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }

        .mining-partner-card .card-icon i {
            font-size: 2rem;
            color: var(--gold);
        }

        .mining-partner-card .tag {
            display: inline-block;
            padding: 5px 12px;
            background: var(--gold);
            color: var(--white);
            border-radius: 5px;
            font-size: 0.75rem;
            font-weight: 500;
            margin-bottom: 15px;
        }

        .mining-partner-card h3 {
            font-size: 1.4rem;
            color: var(--text-dark);
            margin-bottom: 15px;
        }

        .mining-partner-card p {
            color: var(--text-gray);
            font-size: 0.95rem;
            line-height: 1.9;
        }

        .mining-partner-card .highlights {
            margin-top: 25px;
            padding-top: 25px;
            border-top: 1px solid var(--light-gray);
        }

        .mining-partner-card .highlights ul {
            list-style: none;
        }

        .mining-partner-card .highlights ul li {
            padding: 8px 0;
            color: var(--text-gray);
            font-size: 0.9rem;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .mining-partner-card .highlights ul li i {
            color: var(--gold);
            margin-top: 5px;
        }

        /* Full Width Card */
        .full-card {
            grid-column: span 2;
        }

        .full-card .card-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .full-card .card-text h3 {
            font-size: 1.6rem;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .full-card .card-text p {
            color: var(--text-gray);
            margin-bottom: 15px;
            font-size: 1rem;
        }

        .full-card .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .full-card .stat-item {
            background: var(--light-gray);
            padding: 25px;
            border-radius: 15px;
            text-align: center;
        }

        .full-card .stat-item .number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--gold);
            margin-bottom: 5px;
        }

        .full-card .stat-item .label {
            color: var(--text-gray);
            font-size: 0.9rem;
        }

        /* Cooperation Benefits */
        .benefits-section {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            padding: 80px 30px;
        }

        .benefits-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .benefit-item {
            text-align: center;
            color: var(--white);
        }

        .benefit-item .icon {
            width: 80px;
            height: 80px;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .benefit-item .icon i {
            font-size: 2rem;
        }

        .benefit-item h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .benefit-item p {
            font-size: 0.9rem;
            opacity: 0.9;
        }

        /* Footer */
        footer {
            background: var(--text-dark);
            color: var(--white);
            padding: 60px 30px 30px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .footer-brand .logo-text {
            font-size: 1.5rem;
            margin-bottom: 20px;
            display: block;
            color: var(--gold);
        }

        .footer-brand p {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .footer-links h4 {
            color: var(--gold);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

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

        .footer-links ul li {
            margin-bottom: 12px;
        }

        .footer-links ul li a {
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
            transition: all 0.3s ease;
        }

        .footer-links ul li a:hover {
            color: var(--gold);
            padding-left: 5px;
        }

        .footer-bottom {
            padding-top: 30px;
            text-align: center;
            color: rgba(255,255,255,0.5);
            font-size: 0.85rem;
        }

        /* Scroll Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }

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

        /* Mobile Styles */
        @media (max-width: 1024px) {
            .finance-grid,
            .mining-partners-grid {
                grid-template-columns: 1fr;
            }

            .full-card {
                grid-column: span 1;
            }

            .full-card .card-content {
                grid-template-columns: 1fr;
            }

            .benefits-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--white);
                flex-direction: column;
                padding: 30px;
                gap: 0;
                transform: translateX(100%);
                transition: transform 0.4s ease;
                overflow-y: auto;
            }

            .nav-menu.active {
                transform: translateX(0);
            }

            .nav-menu > li > a {
                padding: 15px 0;
                border-bottom: 1px solid var(--light-gray);
                font-size: 1.1rem;
            }

            .dropdown {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                padding: 0 0 0 20px;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease;
            }

            .nav-menu > li.dropdown-open .dropdown {
                max-height: 500px;
            }

            .page-banner {
                height: 280px;
            }

            .page-banner h1 {
                font-size: 2rem;
            }

            .benefits-grid {
                grid-template-columns: 1fr;
            }

            .full-card .stats-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .section-header h2 {
                font-size: 1.8rem;
            }
        }