:root {
            --primary-red: #FF0033; /* CMYK 0/100/80/0 轉換 */
            --dark-grey: #333333;
            --light-bg: #f8f9fa;
            --white: #ffffff;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "PingFang TC", "Microsoft JhengHei", sans-serif;
        }

        body {
            line-height: 1.6;
            color: var(--dark-grey);
            overflow-x: hidden;
        }

        /* --- Logo 樣式與 RWD 優化 --- */
        .logo-container {
            display: flex;
            align-items: center;
            text-decoration: none;
            transition: var(--transition);
        }

        .logo-container img {
            height: 45px; /* 設定固定高度維持導航列整齊 */
            width: auto;  /* 寬度自動縮放維持比例 */
            display: block;
            object-fit: contain;
        }

        /* 手機版縮小 Logo 高度 */
        @media (max-width: 768px) {
            .logo-container img {
                height: 35px;
            }
        }

        /* --- 導航列 --- */
        header {
            background: var(--white);
            padding: 1rem 5%;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin-left: 1.5rem;
            vertical-align: middle;
        }

        nav ul li a {
            text-decoration: none;
            color: var(--dark-grey);
            font-weight: 500;
            transition: var(--transition);
        }

        nav ul li a:hover {
            color: var(--primary-red);
        }

        .cta-btn {
            background: var(--primary-red);
            color: var(--white);
            padding: 0.6rem 1.2rem;
            border-radius: 4px;
            font-weight: bold;
        }

        /* --- Hero Section --- */
        .hero {
            height: 100vh;
            background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--white);
            padding-top: 80px;
        }

        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            letter-spacing: 2px;
            line-height: 1.2;
        }

        .hero-content p {
            font-size: 1.25rem;
            max-width: 900px;
            margin: 0 auto 2.5rem;
            font-weight: 300;
        }

        /* --- 價值主張區塊 (Value Proposition) --- */
        .value-prop {
            padding: 6rem 10%;
            background: var(--white);
            text-align: center;
        }

        .value-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-top: 4rem;
        }

        .value-item {
            padding: 1rem;
        }

        .value-item .icon-wrapper {
            width: 80px;
            height: 80px;
            background: var(--light-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            transition: var(--transition);
        }

        .value-item:hover .icon-wrapper {
            background: var(--primary-red);
        }

        .value-item:hover .icon-wrapper i {
            color: var(--white);
        }

        .value-item i {
            font-size: 2rem;
            color: var(--primary-red);
            transition: var(--transition);
        }

        .value-item h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--primary-red);
        }

        .value-item p {
            color: #666;
            font-size: 1rem;
            text-align: justify;
        }

        /* --- 服務區塊 --- */
        .services-section {
            padding: 6rem 10%;
            background: var(--light-bg);
        }

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

        .section-title h2 {
            font-size: 2.2rem;
            color: var(--dark-grey);
            position: relative;
            padding-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            width: 80px;
            height: 4px;
            background: var(--primary-red);
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }

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

        .service-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border-left: 6px solid var(--primary-red);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.1);
        }

        .service-card i {
            font-size: 2.5rem;
            color: var(--primary-red);
            margin-bottom: 1.5rem;
        }

        .service-card h3 {
            margin-bottom: 1.2rem;
            font-size: 1.5rem;
        }

        .service-card ul {
            list-style: none;
            font-size: 0.95rem;
            color: #555;
        }

        .service-card ul li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
        }

        .service-card ul li::before {
            content: "\f058";
            font-family: "Font Awesome 5 Free";
            font-weight: 900;
            color: var(--primary-red);
            margin-right: 10px;
        }

        /* --- 頁尾 --- */
        footer {
            background: #1a1a1a;
            color: #ddd;
            padding: 5rem 10% 2rem;
        }

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

        .footer-logo {
            margin-bottom: 1.5rem;
        }

        .contact-info p {
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
        }

        .contact-info i {
            color: var(--primary-red);
            margin-right: 12px;
            width: 20px;
        }

        .bottom-bar {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #333;
            font-size: 0.85rem;
            color: #777;
        }

        @media (max-width: 1024px) {
            .hero-content h1 { font-size: 2.8rem; }
        }

        @media (max-width: 768px) {
            .hero-content h1 { font-size: 2.2rem; }
            nav ul { display: none; } 
            .value-grid { grid-template-columns: 1fr; }
        }