:root {
    --navy: #0F2C59;
    --sky: #D4F1F9;
    --gold: #C6A969;
    --ivory: #F9F5F0;
    --steel: #7D8CA3;
}

body {
    font-family: 'Cormorant Garamond', serif;
    background-color: var(--ivory);
    color: var(--navy);
    line-height: 1.8;
}

h1, h2, h3, h4, h5, .navbar-brand {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

/* 頭部樣式 */
.navbar {
    background-color: white;
    border-bottom: 1px solid var(--gold);
    box-shadow: 0 2px 10px rgba(15,44,89,0.1);
    padding: 15px 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    color: var(--navy);
}

.navbar-brand img {
    height: 50px;
    margin-right: 15px;
    /* filter: sepia(30%) brightness(90%); */
}

.established {
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--steel);
}

.nav-link {
    color: var(--navy) !important;
    letter-spacing: 1px;
    margin: 0 10px;
    position: relative;
    font-size: 1.1rem;
}

.nav-link:after {
    content: "";
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    height: 15px;
    width: 1px;
    background: var(--gold);
}

.nav-link:last-child:after {
    display: none;
}

.nav-link:hover {
    color: var(--gold) !important;
}

/* 主視覺區 */
.hero {
    background: linear-gradient(rgba(212,241,249,0.8), rgba(212,241,249,0.8)), url('asia-map.jpg');
    background-size: cover;
    background-position: center;
    height: 70vh;
    display: flex;
    align-items: center;
    color: var(--navy);
    border-bottom: 1px solid var(--gold);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: #ffffff;
}

.hero h2 {
    font-size: 3.5rem;
    margin-bottom: 2rem;
}

.hero p {
    font-size: 1.5rem;
    font-style: italic;
}

/* 業務板塊 */
.business-section {
    background-color: white;
    padding: 5rem 0;
}

.business-card {
    border: none;
    /* background-color: var(--sky); */
    padding: 2.5rem;
    height: 100%;
    position: relative;
    transition: all 0.3s;
    margin-bottom: 30px;
    box-shadow: 5px 5px 15px rgba(15,44,89,0.1);
    text-decoration: none !important;
    color: var(--navy);
    display: block;
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: 8px 8px 25px rgba(15,44,89,0.15);
}

.business-card h3 {
    color: var(--navy);
    border-bottom: 2px solid var(--gold);
    padding-bottom: 0.8rem;
    margin-bottom: 1.5rem;
}

.business-card .btn-more {
    color: var(--gold);
    font-family: 'Playfair Display', serif;
    text-decoration: none;
    display: inline-block;
    margin-top: 1.5rem;
    border-bottom: 1px solid var(--gold);
}

/* 合作夥伴展示 */
.partners-section {
    padding: 4rem 0;
    background-color: var(--ivory);
}

.partner-logo {
    height: 80px;
    margin: 20px;
    filter: grayscale(100%) opacity(70%);
    transition: all 0.3s;
}

.partner-logo:hover {
    filter: grayscale(0%) opacity(100%);
}

/* 核心内容区域 */
.content-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, #ffffff 0%, #f9f7f2 100%);
}

.company-intro {
    padding: 10px;
    /* border-radius: 15px; */
    /* background: rgba(255, 255, 255, 0.8); */
    /* box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08); */
    height: 100%;
}

.company-intro h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.company-intro h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 80px;
    height: 3px;
    background: var(--accent-color);
}

.lead {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 10px;
    font-style: italic;
}

.feature-box {
    margin-bottom: 5px;
    padding: 10px;
    border-left: 3px solid var(--secondary-color);
    transition: all 0.3s ease;
}

.feature-box:hover {
    background: rgba(210, 180, 140, 0.1);
    transform: translateX(5px);
}

.feature-box h4 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.feature-box h4 i {
    margin-right: 10px;
    color: var(--accent-color);
}

/* 轮播图样式 */
.carousel-container {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    height: 100%;
}

.carousel-item {
    height: 500px;
}

.carousel-item-lg {
    height: 800px;
}

.carousel-item img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.carousel-control-prev, 
.carousel-control-next {
    width: 50px;
    height: 50px;
    background: rgba(139, 69, 19, 0.7);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
    margin: 0 20px;
}

/* 頁腳 */
footer {
    background-color: var(--navy);
    color: white;
    padding: 4rem 0 2rem;
    border-top: 3px solid var(--gold);
}

.footer-column h4 {
    color: var(--gold);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.copyright {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    margin-top: 3rem;
    color: var(--steel);
    font-size: 0.9rem;
}

.detail-image {
    width: 100%;
    margin-bottom: 10px;
}

/* 響應式調整 */
@media (max-width: 992px) {
    .nav-link:after {
        display: none;
    }
    
    .hero h2 {
        font-size: 2.8rem;
    }
    .carousel-item {
        height: 400px;
    }
    .carousel-item-lg {
        height: 700px;
    }
}

@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .hero {
        height: 60vh;
    }
    
    .hero h2 {
        font-size: 2.2rem;
    }
    
    .business-card {
        padding: 1.5rem;
    }
    .content-section {
        padding: 50px 0;
    }
    
    .company-intro {
        margin-bottom: 30px;
    }
    
    .carousel-item {
        height: 350px;
    }

    .carousel-item-lg {
        height: 650px;
    }
    
    .partner-logo {
        height: 60px;
        margin: 10px 15px;
    }
}

 @media (max-width: 576px) {
    .navbar-brand img {
        height: 40px;
    }
    
    .company-intro h2 {
        font-size: 2rem;
    }
    
    .lead {
        font-size: 1.2rem;
    }
    
    .carousel-item {
        height: 300px;
    }

    .carousel-item-lg {
        height: 600px;
    }
}