/* --- Google Fonts & Basic Reset --- */
        @import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&family=Noto+Sans+SC:wght@300;400;700&display=swap');

        :root {
            --primary-color: #008D96; /* A refined teal from your PPT */
            --secondary-color: #00B2BF;
            --dark-color: #2c3e50;
            --light-color: #ffffff;
            --bg-light-gray: #f4f7f6;
            --text-gray: #555;
            --header-height: 70px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height); /* Offset for fixed header */
        }

        body {
            font-family: 'Poppins', 'Noto Sans SC', sans-serif;
            line-height: 1.7;
            background-color: var(--bg-light-gray);
            color: var(--dark-color);
        }

        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        h2.section-title {
            font-size: 2.5rem;
            color: var(--dark-color);
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }

        h2.section-title::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary-color);
            border-radius: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        section {
            padding: 5rem 0;
        }

        /* --- Animations --- */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

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

        /* --- Header & Navigation --- */
        .main-header {
            position: sticky;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            height: var(--header-height);
            transition: all 0.3s ease;
        }

        .main-header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 700;
            font-size: 1.5rem;
        }
        
        .logo svg {
            width: 40px;
            height: 40px;
            margin-right: 10px;
            fill: var(--primary-color);
        }

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

        .main-nav a {
            color: var(--dark-color);
            text-decoration: none;
            padding: 10px 15px;
            font-weight: 600;
            transition: color 0.3s ease;
            position: relative;
        }
        
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }

        .main-nav a:hover, .main-nav a.active {
            color: var(--primary-color);
        }
        
        .main-nav a:hover::after, .main-nav a.active::after {
            width: 60%;
        }

        /* Hamburger Menu for Mobile */
        .menu-toggle {
            display: none;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
        }
        .menu-toggle .bar {
            width: 25px;
            height: 3px;
            background-color: var(--dark-color);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        /* --- Hero Section --- */
        #home {
            background: var(--bg-light-gray);
            height: calc(100vh - var(--header-height));
            min-height: 600px;
            display: flex;
            align-items: center;
            padding: 0;
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .hero-text {
            flex: 1;
            max-width: 50%;
            z-index: 2;
        }

        .hero-text .brand-name {
            font-size: 4rem;
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 0;
        }
        
        .hero-text .brand-subtitle {
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-top: 0.5rem;
            margin-bottom: 2rem;
        }
        
        .hero-text .brand-tagline {
            font-size: 1.5rem;
            color: var(--text-gray);
            font-weight: 400;
        }

        .hero-image-wrapper {
            flex: 1;
            height: calc(100vh - var(--header-height));
            min-height: 600px;
            position: absolute;
            right: 0;
            top: 0;
            width: 60%;
            clip-path: polygon(25% 0, 100% 0, 100% 100%, 5% 100%);
        }

        .hero-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* --- About Section --- */
        #about .container {
            display: flex;
            gap: 3rem;
            align-items: center;
        }

        .about-image {
            flex: 1;
            max-width: 50%;
        }
        
        .about-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .about-content {
            flex: 1;
            max-width: 50%;
        }
        
        .about-content h2 {
            font-size: 2.5rem;
            text-align: left;
        }
        
        .about-content h2::after {
            left: 0;
            transform: none;
        }

        .about-content p {
            color: var(--text-gray);
            margin-bottom: 1rem;
        }
/* --- Advantages Section --- (最终修正版) */
#advantages {
    padding: 0; /* 移除 section 的内边距 */
    background-color: var(--light-color);
    overflow: hidden;
}

.advantages-container {
    display: flex;
    min-height: 90vh; /* 确保该部分有足够的高度 */
    align-items: stretch; /* 让子元素高度相等 */
}

/* 左侧图片列的样式 */
.advantages-image-column {
    flex: 0 0 45%; /* 固定宽度为45%，不缩放 */
    position: relative; /* 为内部绝对定位的图片提供定位上下文 */
}

/* 图片本身的样式 */
.advantages-image-column img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* 这是关键：让图片填满容器，保持比例，多余部分裁剪 */
}

/* 右侧内容列的样式 */
.advantages-content-column {
    flex: 1; /* 占据剩余空间 */
    padding: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.advantages-content-column .section-title {
    text-align: left;
    margin-bottom: 1rem;
}
.advantages-content-column .section-title::after {
    left: 0;
    transform: none;
}

.advantages-grid {
    display: grid;
    /* 保持和PPT一致的两列布局 */
    grid-template-columns: repeat(2, 1fr); 
    gap: 2.5rem 3rem;
    margin-top: 3rem;
}

.advantage-card {
    background: transparent;
    padding: 0;
    text-align: left;
}

.advantage-card .card-header {
    display: flex;
    align-items: baseline;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
}

.advantage-card .card-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    line-height: 1;
    font-family: 'Poppins', sans-serif;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin: 0;
}

.advantage-card p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

        .advantage-card {
            background: var(--bg-light-gray);
            padding: 2.5rem 2rem;
            border-radius: 10px;
            border-left: 5px solid var(--primary-color);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 141, 150, 0.1);
        }

        .advantage-card .card-header {
            display: flex;
            align-items: baseline;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        
        .advantage-card .card-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
            line-height: 1;
        }
        
        .advantage-card h3 {
            font-size: 1.4rem;
            margin: 0;
        }

        .advantage-card p {
            color: var(--text-gray);
        }

        /* --- Benefits Section --- */
        .benefits-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        
        .benefit-item {
            text-align: center;
            padding: 2rem;
            background: var(--light-color);
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .benefit-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .benefit-item .icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        
        .benefit-item h3 {
            font-size: 1.3rem;
            color: var(--dark-color);
            margin-bottom: 0.5rem;
        }
        
        .benefit-item p {
            font-size: 0.9rem;
            color: var(--text-gray);
        }

        /* --- Location Section --- */
        #location {
            background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('https://images.unsplash.com/photo-1512453979798-572980985279?q=80&w=1770&auto=format&fit=crop') no-repeat center center/cover;
            /* TODO: Replace with your Dubai image */
            color: var(--light-color);
        }

        #location h2.section-title, #location h2.section-title::after {
            color: var(--light-color);
        }

        .location-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .location-content h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }

        .location-content p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        /* --- Join Us Section --- (修正为层叠图片布局) */
#join-us {
    background: var(--bg-light-gray);
    position: relative;
    padding: 6rem 0; /* 增加上下内边距 */
}

/* 整个区域的容器，使用Flex布局 */
.join-us-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 左侧文字内容列 */
.join-us-content {
    flex: 1; /* 占据可用空间 */
    max-width: 40%; /* 限制最大宽度 */
    z-index: 10; /* 确保文字在图片之上 */
}

.join-us-content h2.section-title {
    text-align: left;
    margin-bottom: 2rem;
}

.join-us-content h2.section-title::after {
    left: 0;
    transform: none;
}

.join-us-content .text-block {
    background: var(--light-color); /* 给文字块一个白色背景 */
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.07);
    margin-bottom: 2rem;
}

.join-us-content h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    border-left: 4px solid var(--secondary-color);
    padding-left: 1rem;
    margin-bottom: 1rem;
}

/* 右侧图片容器，作为层叠图片的定位基准 */
.join-us-image-stack {
    flex: 1;
    position: relative; /* 关键：为内部绝对定位的图片提供上下文 */
    height: 450px; /* 给图片容器一个固定的高度 */
    max-width: 55%;
}

/* 层叠图片的通用样式 */
.join-us-image-stack img {
    position: absolute; /* 关键：让图片可以相互层叠 */
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    object-fit: cover;
    transition: transform 0.4s ease;
}

.join-us-image-stack img:hover {
    transform: scale(1.05);
    z-index: 5;
}

/* 第一张图片（在后面） */
.join-us-image-stack .image-back {
    width: 70%;
    height: 90%;
    top: 0;
    right: 0;
    z-index: 1; /* 堆叠顺序较低 */
}

/* 第二张图片（在前面） */
.join-us-image-stack .image-front {
    width: 75%;
    height: 85%;
    bottom: 0;
    left: 0;
    z-index: 2; /* 堆叠顺序较高 */
}

        /* --- Footer --- */
        .main-footer {
            background: var(--dark-color);
            color: var(--light-color);
            padding: 3rem 0 1.5rem 0;
            text-align: center;
        }
        
        .footer-content {
            max-width: 600px;
            margin: 0 auto;
        }
        
        .footer-logo {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        .footer-tagline {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.8;
        }
        
        .social-links a {
            color: var(--light-color);
            margin: 0 15px;
            font-size: 1.5rem;
            transition: color 0.3s ease;
        }
        
        .social-links a:hover {
            color: var(--primary-color);
        }
        
        .footer-copyright {
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            font-size: 0.9rem;
            opacity: 0.6;
        }

        /* --- Location Section --- (修正为左右分栏布局) */
#location {
    padding: 0; /* 移除 section 的内边距 */
    background-color: var(--bg-light-gray); /* 左侧文字部分的背景色 */
    overflow: hidden;
}

.location-container {
    display: flex;
    min-height: 80vh; /* 确保该部分有足够的高度 */
    align-items: stretch; /* 让子元素高度相等 */
}

/* 左侧内容列的样式 */
.location-content-column {
    flex: 0 0 55%; /* 固定宽度为55%，不缩放 */
    padding: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.location-content-column .section-title {
    text-align: left;
}
.location-content-column .section-title::after {
    left: 0;
    transform: none;
}

.location-content-column h3 {
    font-size: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.location-content-column p {
    max-width: 500px; /* 限制文本宽度，更易读 */
    color: var(--text-while);
    font-size: 1rem;
}

/* 右侧图片列的样式 */
.location-image-column {
    flex: 1; /* 占据剩余空间 */
    position: relative;
    min-height: 400px; /* 移动端时的高度 */
}

.location-image-column img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* 关键：让图片填满容器，不变形 */
}


        /* --- Media Queries for Responsiveness --- */
        @media (max-width: 992px) {

            /* 添加到 @media (max-width: 992px) 代码块中 */
#join-us .join-us-container {
    flex-direction: column; /* 垂直堆叠 */
    gap: 2rem;
}

#join-us .join-us-content,
#join-us .join-us-image-stack {
    max-width: 100%; /* 占满全部宽度 */
}

#join-us .join-us-image-stack {
    margin-top: 3rem; /* 在内容下方增加一些间距 */
    height: 400px; /* 调整小屏幕下的高度 */
}
            h2.section-title { font-size: 2rem; }

            /* Add this inside the @media (max-width: 992px) block */
#advantages .advantages-container {
    flex-direction: column; /* 垂直堆叠 */
}

#advantages .advantages-image-column {
    min-height: 400px; /* 在小屏幕上给图片一个最小高度 */
    flex-basis: auto;
}

/* 添加到 @media (max-width: 992px) 代码块中 */
#location .location-container {
    /* 在小屏幕上，将图片置于文字上方 */
    flex-direction: column-reverse; 
}

#location .location-content-column {
    /* 确保内容列占满宽度 */
    flex-basis: auto;
}
            
            /* Hero */
            .hero-text .brand-name { font-size: 3rem; }
            .hero-text .brand-subtitle { font-size: 1.8rem; }
            .hero-text .brand-tagline { font-size: 1.2rem; }
            
            /* About */
            #about .container { flex-direction: column; }
            .about-image, .about-content { max-width: 100%; }

            /* Join Us */
            #join-us .container { flex-direction: column-reverse; }
            .join-us-image { max-width: 80%; margin-bottom: 2rem; }

        }

        @media (max-width: 768px) {

            /* 添加到 @media (max-width: 768px) 代码块中 */
#join-us {
    padding: 4rem 0; /* 调整手机端的上下内边距 */
}

#join-us .join-us-content .text-block {
    padding: 1.5rem; /* 减小文字块的内边距 */
}

#join-us .join-us-image-stack {
    height: 300px; /* 进一步减小手机上的图片区域高度 */
}

            :root { --header-height: 60px; }

            .container { padding: 0 1rem; }
            section { padding: 3rem 0; }

            /* Add this inside the @media (max-width: 768px) block */
#advantages .advantages-grid {
    grid-template-columns: 1fr; /* 在手机上变为单列 */
    gap: 2rem;
}

            /* Navigation */
            .main-nav {
                position: absolute;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: var(--light-color);
                flex-direction: column;
                align-items: center;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
            }
            .main-nav.active {
                max-height: 300px; /* Adjust as needed */
                padding: 1rem 0;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            }
            .main-nav ul {
                flex-direction: column;
                width: 100%;
                text-align: center;
            }
            .main-nav li {
                width: 100%;
            }
            .main-nav a {
                display: block;
                padding: 15px;
            }
            .menu-toggle {
                display: flex;
            }
            .menu-toggle.active .bar:nth-child(1) {
                transform: rotate(45deg) translate(5px, 6px);
            }
            .menu-toggle.active .bar:nth-child(2) {
                opacity: 0;
            }
            .menu-toggle.active .bar:nth-child(3) {
                transform: rotate(-45deg) translate(5px, -6px);
            }
            
            /* Hero Section */
            #home { height: auto; padding: 4rem 0; }
            .hero-content { flex-direction: column; }
            .hero-text { max-width: 100%; text-align: center; }
            .hero-image-wrapper { display: none; } /* Hide complex shape on mobile for simplicity */
            
            /* Advantages */
            .advantages-grid { grid-template-columns: 1fr; }
        }