:root {
    --primary-color: #000;
    --secondary-color: #333;
    --background-color: #fff;
    --accent-color: #0066cc;
    --text-primary: #FFFFFF;    /* 标题使用纯白色 */
    --text-secondary: #F0F0F0;  /* 正文使用接近白色的颜色 */
    --text-hover: #FFFFFF;      /* 悬停状态为纯白色 */
    --font-primary: "PingFang SC", "SF Pro Text", -apple-system, "Helvetica Neue", "Microsoft YaHei", sans-serif;
    --font-heading: "SF Pro Display", "PingFang SC", -apple-system, "Microsoft Yahei", sans-serif;
}

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

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-secondary);
    text-shadow: none;
    background-image: url('images/mountains-6753786_1280.jpg');
    background-attachment: fixed;
    background-size: 120% auto;
    background-position: center top;
    min-height: 100vh;
    font-weight: 500;  /* 增加基础字重 */
    letter-spacing: 0.2px;
    overflow-x: hidden; /* 防止水平滚动 */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏样式 */
.navbar {
    background-color: transparent;
    backdrop-filter: none;
    box-shadow: none;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: 60px;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    text-shadow: none;
    font-family: var(--font-heading);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-links a {
    text-decoration: none; /* 去除下划线 */
    color: inherit; /* 保持文字颜色 */
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 0.5px;
    transition: all 0.3s;
    font-family: var(--font-primary); /* 设置字体为主字体 */
}

.nav-links a:hover {
    color: #007BFF; /* 鼠标悬停时改变颜色 */
    /* 你可以在这里添加其他悬停效果 */
}

/* 英雄区域样式 */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0;
    margin-bottom: 0;
    background-color: transparent; /* 移除遮光罩 */
    transform: translateZ(0);
    will-change: transform;
    background-image: url('path/to/your/image.jpg'); /* 确保设置了背景图案 */
    background-size: cover; /* 调整背景图案大小 */
    background-repeat: no-repeat; /* 防止背景图案重复 */
    background-position: center top; /* 首页背景图位置 */
    transform-style: preserve-3d;
    overflow: hidden;
    transition: background-position 0.8s ease-in-out; /* 添加过渡效果 */
}

.hero::before,
.hero::after {
    display: none;
}

.hero-content {
    text-align: center;
    padding: 60px 20px;
    background: transparent;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2); /* 为文字添加轻微阴影以提高可读性 */
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-size: 68px;
    font-weight: 700;  /* 主标题最粗 */
    letter-spacing: 1px;
    margin-bottom: 20px;
    color: var(--text-primary);
    text-shadow: none;
    font-family: var(--font-heading);
}

.hero-subtitle {
    font-size: 22px;
    color: var(--text-secondary);
    font-weight: 500;  /* 副标题适中 */
    letter-spacing: 1px;
    text-shadow: none;
    font-family: var(--font-heading);
}

.cta-button {
    display: inline-block;
    padding: 15px 30px;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.cta-button:hover {
    background-color: #2980b9;
}

/* 关于我们部分样式 */
.about {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0;
    margin: 0;
    background: rgba(0, 0, 0, 0.05); /* 统一背景透明度 */
    backdrop-filter: none;
    border-radius: 0;
    box-shadow: none;
    transition: background-position 0.8s ease-in-out; /* 添加过渡效果 */
    background-image: url('path/to/your/image.jpg'); /* 确保设置了背景图案 */
    background-size: cover; /* 调整背景图案大小 */
    background-repeat: no-repeat; /* 防止背景图案重复 */
    background-position: center 20%; /* 第二页背景图位置 */
    transform-style: preserve-3d;
    transform: translateZ(0);
    will-change: transform;
    overflow: hidden;
}

.section-title {
    font-size: 38px;
    font-weight: 700;  /* 段落标题同样醒目 */
    letter-spacing: 1px;
    margin-bottom: 50px;
    text-align: center;
    color: var(--text-primary);
    text-shadow: none;
    font-family: var(--font-heading);
}

.about-content {
    padding: 0 40px;
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
}

.about-text {
    width: 100%;
    max-width: 800px;  /* 限制文本宽度 */
    margin: 0 auto;    /* 居中对齐 */
}

.about-text p,
.investment-philosophy p {
    color: #FFFFFF;
    font-weight: 600;
    font-size: 17px;
    line-height: 2;
    letter-spacing: 0.5px;
    opacity: 1;
    margin-bottom: 25px;
    text-align: justify;  /* 文本两端对齐 */
}

.investment-philosophy {
    width: 100%;
    max-width: 800px;  /* 与上面的文本保持相同宽度 */
    margin: 50px auto 0;  /* 上方间距50px，左右居中 */
}

.investment-philosophy h3 {
    color: #FFFFFF;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: 0.8px;
    text-align: left;  /* 标题左对齐 */
}

/* 联系我们部分样式 */
.contact {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0;
    margin: 0;
    background-color: rgba(0, 0, 0, 0.05); /* 统一背景透明度 */
    backdrop-filter: none;
    border-radius: 0;
    box-shadow: none;
    transition: background-position 0.8s ease-in-out; /* 添加过渡效果 */
    background-image: url('path/to/your/image.jpg'); /* 确保设置了背景图案 */
    background-size: cover; /* 调整背景图案大小 */
    background-repeat: no-repeat; /* 防止背景图案重复 */
    background-position: center 60%; /* 第四页背景图位置 */
    transform-style: preserve-3d;
    transform: translateZ(0);
    will-change: transform;
    overflow: hidden;
}

.contact-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 60px;
    padding: 0 30px;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.contact-info {
    flex: 1;
    padding: 0;
    max-width: 500px;
}

.contact-item {
    margin-bottom: 30px;
    padding: 15px 0;
    opacity: 1;
    font-weight: 500;
    letter-spacing: 0.2px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--text-secondary);
    text-shadow: none;
    font-size: 16px;
}

.contact-item:last-child {
    border-bottom: none;
}

.qr-code {
    flex: 0 0 auto;
    text-align: center;
    padding-top: 10px;
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    padding: 20px;
    border-radius: 12px;
}

.qr-code img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    margin-bottom: 15px;
    opacity: 1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    padding: 12px;
    border-radius: 8px;
}

.qr-code p {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 0.5px;
    opacity: 1;
    text-shadow: none;
    font-family: var(--font-primary);
}

/* 页脚样式 */
footer {
    position: relative;
    padding: 20px 0;
    margin-top: -60px;
    background-color: transparent;
    backdrop-filter: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 400;  /* 页脚保持细一点 */
    letter-spacing: 0.2px;
    text-shadow: none;
    opacity: 0.9;
    font-family: var(--font-primary);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: 80px 0;
    }
    
    .hero h1 {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .about,
    .contact {
        padding: 60px 0;
        min-height: auto;
    }
    
    .contact-wrapper {
        flex-direction: column;
        align-items: center;
        gap: 40px;
    }
    
    .contact-info {
        width: 100%;
    }
    
    .qr-code img {
        width: 150px;
        height: 150px;
    }
    
    .about-text p,
    .investment-philosophy p,
    .strategy-item p {
        font-size: 15px;
        line-height: 1.7;
        margin-bottom: 20px;
    }
    
    .investment-philosophy {
        margin-top: 30px;
    }
    
    .hero h1,
    .section-title {
        font-weight: 600;  /* 移动端稍微减轻标题字重 */
    }
}

/* 移除所有遮罩效果 */
.hero::after,
.about::after,
.contact::after,
.strategy::after {
    display: none;
}

/* 调整文字颜色，使其更清晰 */
.section-title,
.strategy-item h3,
.investment-philosophy h3 {
    color: var(--text-primary);
}

.about-text p, 
.investment-philosophy p,
.strategy-item p {
    color: #FFFFFF;
    font-weight: 600;
    font-size: 17px;
    line-height: 2;
    letter-spacing: 0.5px;
    opacity: 1;
    margin-bottom: 25px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 投资策略部分样式 */
.strategy {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0;
    margin: 0;
    background-color: rgba(0, 0, 0, 0.05); /* 统一背景透明度 */
    backdrop-filter: none;
    border-radius: 0;
    box-shadow: none;
    transition: background-position 0.8s ease-in-out; /* 添加过渡效果 */
    background-image: url('path/to/your/image.jpg'); /* 确保设置了背景图案 */
    background-size: cover; /* 调整背景图案大小 */
    background-repeat: no-repeat; /* 防止背景图案重复 */
    background-position: center 40%; /* 第三页背景图位置 */
    transform-style: preserve-3d;
    transform: translateZ(0);
    will-change: transform;
    overflow: hidden;
}

.strategy-content {
    padding: 0 30px;
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.strategy-item {
    margin-bottom: 40px;
}

.strategy-item:last-child {
    margin-bottom: 0;
}

.strategy-item h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    text-shadow: none;
    font-family: var(--font-heading);
}

.strategy-item p {
    line-height: 1.8;
    opacity: 1;
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 0.3px;
    margin-bottom: 20px;
    color: var(--text-secondary);
    text-shadow: none;
}

.strategy-item p:last-child {
    margin-bottom: 0;
}

/* 响应式设计调整 */
@media (max-width: 768px) {
    .strategy {
        padding: 60px 0;
        min-height: auto;
    }
    
    .strategy-item h3 {
        font-size: 20px;
    }
    
    .strategy-item p {
        font-size: 15px;
    }
}

/* 背景遮罩调整 - 变得更淡 */
.about::before,
.strategy::before,
.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.15); /* 进一步减少透明度 */
    z-index: 1;
}

/* 二级标题样式增强 */
.investment-philosophy h3,
.strategy-item h3 {
    color: #FFFFFF;
    font-size: 26px;  /* 增大标题字号 */
    font-weight: 700;  /* 加粗标题 */
    margin-bottom: 25px;
    letter-spacing: 0.6px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);  /* 添加轻微阴影提高可读性 */
}

/* 联系方式文字增强 */
.contact-item {
    color: #FFFFFF;
    font-weight: 600;
    font-size: 17px;
    line-height: 1.8;
    letter-spacing: 0.5px;
    opacity: 1;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);  /* 略微加深分隔线 */
}

/* 二维码区域文字 */
.qr-code p {
    color: #FFFFFF;
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .about-text p, 
    .investment-philosophy p,
    .strategy-item p {
        font-size: 16px;
        line-height: 1.9;
        font-weight: 600;
    }

    .investment-philosophy h3,
    .strategy-item h3 {
        font-size: 24px;
        font-weight: 700;
    }

    .contact-item {
        font-size: 16px;
        font-weight: 600;
    }
}

/* 共同的内容区域样式 */
.about-content,
.strategy-content,
.contact-wrapper {
    padding: 0 40px;
    max-width: 1000px;
    margin: 0 auto;
}

/* 所有正文内容的基础样式 */
.about-text p,
.investment-philosophy p,
.strategy-item p {
    color: #FFFFFF;
    font-weight: 600;
    font-size: 17px;
    line-height: 2;
    letter-spacing: 0.5px;
    opacity: 1;
    margin-bottom: 25px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 所有二级标题的样式 */
.investment-philosophy h3,
.strategy-item h3 {
    color: #FFFFFF;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    letter-spacing: 0.8px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* 段落标题样式 */
.section-title {
    color: #FFFFFF;
    font-size: 42px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 60px;
}

/* 联系方式样式优化 */
.contact-wrapper {
    padding: 0 40px;
    max-width: 1000px;
}

.contact-item {
    color: #FFFFFF;
    font-weight: 600;
    font-size: 17px;
    line-height: 1.8;
    letter-spacing: 0.5px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* 增强背景内容的对比度 */
.about-content,
.strategy-content,
.contact-wrapper {
    position: relative;
    z-index: 2;  /* 确保内容在遮罩之上 */
}

/* 内容区块间距 */
.investment-philosophy {
    margin-top: 50px;
}

.strategy-item {
    margin-bottom: 50px;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .about-content,
    .strategy-content,
    .contact-wrapper {
        padding: 0 25px;
    }

    .section-title {
        font-size: 32px;
        margin-bottom: 40px;
    }

    .investment-philosophy h3,
    .strategy-item h3 {
        font-size: 24px;
        margin-bottom: 25px;
    }

    .about-text p,
    .investment-philosophy p,
    .strategy-item p,
    .contact-item {
        font-size: 16px;
        line-height: 1.9;
    }
}

/* 添加平滑滚动效果 */
html {
    scroll-behavior: smooth;
}

/* 响应式调整 */
@media (max-width: 768px) {
    body {
        background-attachment: scroll;
        background-size: cover;
    }
    
    .hero, .about, .strategy, .contact {
        background: none;
    }
}

/* 添加滚动时的背景位置变化 */
@media (min-width: 769px) {
    .hero {
        background-position: center 0;
    }

    .about {
        background-position: center 15%;
    }

    .strategy {
        background-position: center 35%;
    }

    .contact {
        background-position: center 55%;
    }
}

/* 移动端优化 */
@media (max-width: 768px) {
    body {
        background-attachment: scroll;
        background-size: cover;
    }

    .hero, .about, .strategy, .contact {
        background: none;
    }
}

/* 调整第二到第四页的标题颜色 */
.section-title,
.investment-philosophy h3,
.strategy-item h3 {
    color: #FFFFFF; /* 确保标题为纯白色 */
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2); /* 添加轻微阴影以提高可读性 */
}

/* 确保其他相关标题也为纯白色 */
.about .section-title,
.strategy .section-title,
.contact .section-title {
    color: #FFFFFF; /* 确保标题为纯白色 */
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2); /* 添加轻微阴影以提高可读性 */
}