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

        :root {
            --primary-gold: #C9A961;
            --deep-blue: #1e3a5f;
            --teal-growth: #20B2AA;
            --light-gold: #F4E4C1;
            --dachang-red: #d32f2f;
            --wealth-blue: #2c5f8d;
            --bg-cream: #faf8f3;
            --text-dark: #2c3e3f;
        }

        body {
            font-family: 'Microsoft JhengHei', 'PingFang TC', sans-serif;
            color: var(--text-dark);
            background: var(--bg-cream);
            overflow-x: hidden;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        .logo-section {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .logo-box {
            color: white;
            padding: 0px;
            font-weight: bold;
            font-size: 1.2rem;
        }

        .download-btn {
            background: linear-gradient(135deg, var(--primary-gold), var(--wealth-blue));
            color: white;
            padding: 0.8rem 2rem;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(201, 169, 97, 0.3);
        }

        .download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 169, 97, 0.4);
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            background: linear-gradient(135deg, var(--deep-blue) 0%, var(--wealth-blue) 50%, var(--teal-growth) 100%);
            position: relative;
            overflow: hidden;
            padding-top: 80px;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 150%;
            height: 150%;
            background: 
                radial-gradient(circle at 20% 50%, rgba(201, 169, 97, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(244, 228, 193, 0.15) 0%, transparent 50%);
            animation: float 20s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translate(0, 0) rotate(0deg); }
            50% { transform: translate(-20px, -20px) rotate(5deg); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            color: white;
            padding: 0 5%;
        }

        .year-badge {
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            padding: 0.5rem 2rem;
            border-radius: 50px;
            font-size: 1.2rem;
            margin-bottom: 2rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }

        .hero h1 {
            font-size: 4.5rem;
            font-weight: 900;
            margin-bottom: 1rem;
            text-shadow: 0 4px 20px rgba(0,0,0,0.3);
            line-height: 1.2;
        }

        .hero h1 .highlight {
            color: var(--primary-gold);
            display: inline-block;
            position: relative;
        }

        .hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gold);
            border-radius: 2px;
        }

        .hero-subtitle {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            opacity: 0.95;
            font-weight: 300;
        }

        .hero-description {
            font-size: 1.2rem;
            margin-bottom: 3rem;
            max-width: 600px;
            opacity: 0.9;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-primary {
            background: white;
            color: var(--deep-blue);
            padding: 1.2rem 3rem;
            border: none;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(0,0,0,0.2);
        }

        .btn-primary:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 12px 35px rgba(0,0,0,0.3);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            padding: 1.2rem 3rem;
            border: 2px solid white;
            border-radius: 50px;
            font-size: 1.2rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            background: white;
            color: var(--deep-blue);
        }

        /* Floating leaves animation */
        .leaf {
            position: absolute;
            width: 30px;
            height: 30px;
            opacity: 0.3;
            animation: fall linear infinite;
        }

        @keyframes fall {
            0% {
                transform: translateY(-100px) rotate(0deg);
                opacity: 0;
            }
            10% {
                opacity: 0.3;
            }
            90% {
                opacity: 0.3;
            }
            100% {
                transform: translateY(100vh) rotate(360deg);
                opacity: 0;
            }
        }

        /* ESG Section */
        .esg-section {
            padding: 8rem 5%;
            background: linear-gradient(180deg, var(--bg-cream) 0%, #f5f1e8 100%);
            position: relative;
        }

        .section-title {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title h2 {
            font-size: 3rem;
            color: var(--deep-blue);
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-gold), var(--teal-growth));
            border-radius: 2px;
        }

        .section-title p {
            font-size: 1.3rem;
            color: var(--text-dark);
            opacity: 0.8;
            margin-top: 2rem;
        }

        .esg-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 4rem;
        }

        .esg-card {
            background: white;
            padding: 3rem 2rem;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.08);
            transition: all 0.3s;
            border: 2px solid transparent;
        }

        .esg-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(201, 169, 97, 0.2);
            border-color: var(--primary-gold);
        }

        .esg-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary-gold), var(--wealth-blue));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            margin: 0 auto 1.5rem;
            color: white;
        }

        .esg-card h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--deep-blue);
            text-align: center;
        }

        .esg-card p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text-dark);
            opacity: 0.85;
            text-align: center;
        }

        /* Calendar Preview Section */
        .calendar-section {
            padding: 8rem 5%;
            background: white;
        }

        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }

        .month-card {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s;
            cursor: pointer;
            background: white;
            aspect-ratio: 3/4;
        }

        .month-card:hover {
            transform: scale(1.05);
            box-shadow: 0 15px 50px rgba(201, 169, 97, 0.3);
        }

        .month-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .month-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(30, 58, 95, 0.95), transparent);
            padding: 2rem 1rem 1rem;
            color: white;
        }

        .month-number {
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary-gold);
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }

        .month-name {
            font-size: 1.3rem;
            font-weight: bold;
            text-align: center;
            text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
        }

        /* Features Section */
        .features-section {
            padding: 8rem 5%;
            background: linear-gradient(180deg, #f5f1e8 0%, var(--bg-cream) 100%);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 4rem;
        }

        .feature-item {
            text-align: center;
            padding: 2rem;
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .feature-item h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: var(--deep-blue);
        }

        .feature-item p {
            font-size: 1.1rem;
            line-height: 1.8;
            opacity: 0.85;
        }

        /* Download Section */
        .download-section {
            padding: 8rem 5%;
            background: linear-gradient(135deg, var(--deep-blue), var(--wealth-blue), var(--teal-growth));
            color: white;
            text-align: center;
        }

        .download-section h2 {
            font-size: 3rem;
            margin-bottom: 2rem;
        }

        .download-section p {
            font-size: 1.3rem;
            margin-bottom: 3rem;
            opacity: 0.95;
        }

        .download-options {
            display: flex;
            gap: 2rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .download-card {
            background: white;
            color: var(--deep-blue);
            padding: 2.5rem 3rem;
            border-radius: 20px;
            min-width: 250px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.2);
            transition: all 0.3s;
        }

        .download-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 60px rgba(0,0,0,0.3);
        }

        .download-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .download-card .size {
            font-size: 0.9rem;
            opacity: 0.7;
            margin-bottom: 1.5rem;
        }

        .download-card button {
            background: linear-gradient(135deg, var(--primary-gold), var(--wealth-blue));
            color: white;
            padding: 1rem 2rem;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            width: 100%;
        }

        .download-card button:hover {
            background: linear-gradient(135deg, var(--wealth-blue), var(--teal-growth));
            transform: scale(1.05);
        }

        /* Footer */
        footer {
            background: var(--text-dark);
            color: white;
            padding: 4rem 5%;
            text-align: center;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }

        .footer-section h4 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--primary-gold);
        }

        .footer-section p, .footer-section a {
            font-size: 1rem;
            line-height: 1.8;
            opacity: 0.8;
            color: white;
            text-decoration: none;
        }

        .footer-section a:hover {
            opacity: 1;
            color: var(--primary-gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
            margin-top: 2rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }

            .hero-subtitle {
                font-size: 1.3rem;
            }

            .hero-description {
                font-size: 1rem;
            }

            .section-title h2 {
                font-size: 2rem;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .btn-primary, .btn-secondary {
                width: 100%;
            }

            header {
                flex-direction: column;
                gap: 1rem;
            }
        }

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

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