/* 全局重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    /* 这一点很重要，防止巨大的背景层导致页面出现横向滚动条 */
    overflow-x: hidden; 
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
    /* 确保内容在背景层之上 */
    position: relative; 
    z-index: 2;
}

ul { list-style: none; }
a { text-decoration: none; color: inherit; }

/* 导航栏 (保持不变) */
header {
    background-color: #fff;
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 60px; /* 增大logo高度 */
    width: auto; /* 保持图片原始宽高比 */
    max-width: 300px; /* 增大最大宽度 */
}

.nav-container nav ul {
    display: flex;
    gap: 30px;
}

.nav-container nav a {
    font-size: 0.8rem;
    text-transform: uppercase;
    color: #333;
}

/* 下拉菜单样式 */
.nav-container nav .dropdown {
    position: relative;
}

.nav-container nav .dropdown-toggle {
    cursor: pointer;
    position: relative;
    padding-right: 15px;
}

.nav-container nav .dropdown-toggle::after {
    content: '▼';
    font-size: 0.6rem;
    margin-left: 5px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.nav-container nav .dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.nav-container nav .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    min-width: 280px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    margin-top: 10px;
    padding: 10px 0;
    flex-direction: column;
    gap: 0;
    z-index: 1001;
}

.nav-container nav .dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-container nav .dropdown-menu li {
    margin: 0;
}

.nav-container nav .dropdown-menu a {
    display: block;
    padding: 10px 20px;
    font-size: 0.75rem;
    text-transform: none;
    color: #333;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.nav-container nav .dropdown-menu a:hover {
    background-color: #f5f5f5;
    color: #7b72e9;
}

/* Hero 区域 - 添加从下到上的渐变背景 */
.hero {
    /* 从下到上的渐变：底部颜色更深，顶部颜色更浅，对比更明显 */
    background: linear-gradient(to top, #3d5a7a 0%, #4a6a8a 20%, #5d8aa8 40%, #7ba0b8 60%, #9bb5c8 80%, #b8d0e0 100%);
    height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    color: #fff;
    padding-top: 60px;
    /* 添加阴影效果，增强视觉深度 */
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3), inset 0 0 100px rgba(0, 0, 0, 0.1);
}

.hero-shape {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    /* 注意这里颜色要和 services-section 的基底颜色匹配 */
    background: #28283e; 
    clip-path: ellipse(60% 100% at 50% 100%);
    z-index: 3;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    color: #000;
    margin-bottom: 20px;
    font-weight: 800;
    /* 添加文字阴影，增强可读性和视觉效果 */
    text-shadow: 2px 2px 8px rgba(255, 255, 255, 0.5), 0 0 20px rgba(255, 255, 255, 0.3);
}

.hero-content .subtitle {
    font-size: 1.2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 10px;
    /* 添加文字阴影 */
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5), 0 0 10px rgba(0, 0, 0, 0.3);
}

.hero-content .tagline {
    font-family: serif;
    font-style: italic;
    font-size: 1.1rem;
    color: #eee;
    /* 添加文字阴影 */
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

/* 通用 Section 样式 */
section {
    padding: 100px 0; /* 稍微增加一点内边距，让背景展示更充分 */
}

.section-header {
    margin-bottom: 60px;
}

.accent-line {
    display: block;
    width: 40px;
    height: 4px;
    background-color: #7b72e9; /* 紫色条 */
    margin-bottom: 15px;
}

h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

/* =========================================
   [重点修改] Services 区域 - 分层半圆背景
   ========================================= */

.services-section {
    color: #fff;
    /* 1. 设置一个深色的基底背景色 */
    background-color: #28283e; 
    /* 2. 设置相对定位，以便放置伪元素 */
    position: relative;
    /* 3. 隐藏溢出，因为伪元素会非常大 */
    overflow: hidden;
    z-index: 1;
}

/* 使用伪元素创建背景层 */
.services-section::before,
.services-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    /* 将圆形居中并向上平移，只露出下半部分 */
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: -1; /* 放在内容之下 */
}

/* 第一层（最外面，较淡的一层） */
.services-section::before {
    width: 150%; /* 宽度是容器的1.5倍 */
    padding-bottom: 150%; /* 使用 padding hack 创建一个正圆 */
    background: rgba(60, 70, 100, 0.3); /* 淡淡的蓝紫色 */
    box-shadow: inset 0 0 100px rgba(40, 40, 62, 0.8); /* 内阴影让边缘柔和一点 */
}

/* 第二层（中间，稍微亮一点的一层） */
.services-section::after {
    width: 100%; /* 宽度与容器相同 */
    padding-bottom: 100%;
    background: rgba(80, 90, 130, 0.4); /* 稍微亮一点 */
    top: -10%; /* 稍微往下调整一点位置 */
}


.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
    align-items: start; /* 顶部对齐，使从上到下的效果更明显 */
}

.service-item .accent-bar {
    width: 30px;
    height: 3px;
    background-color: #7b72e9;
    margin-bottom: 15px;
}

.service-item h3 {
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.4;
}

/* About 区域 - 添加背景图片 */
.about-section {
    background-color: #f4f4f4;
    background-image: url('./background1.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #333;
    position: relative;
    z-index: 2; /* 确保盖住上面 section 的背景 */
}

/* 添加半透明遮罩层，确保文字可读性 */
.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(244, 244, 244, 0.85);
    z-index: -1;
}

/* =========================================
   Fun Facts 区域 - 添加背景图片
   ========================================= */
.fun-facts {
    background-color: #3b3b58;
    background-image: url('./background2.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    position: relative;
}

/* 添加半透明遮罩层，确保文字可读性 */
.fun-facts::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(59, 59, 88, 0.75);
    z-index: 0;
}

.fun-facts .container {
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); /* 响应式调整 */
    text-align: left;
    gap: 30px;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 5px;
    color: #fff;
}

.stat-item p {
    font-size: 0.9rem;
    font-weight: bold;
    text-transform: uppercase;
    line-height: 1.4;
    color: #ccc;
}

/* =========================================
   动画核心 CSS (确保这部分存在且正确)
   ========================================= */

/* 1. 设置初始状态：透明，向下偏移 50px */
.service-item,
.stat-item {
    opacity: 0;
    transform: translateY(50px); 
    /* 0.8秒的平滑过渡 */
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 2. 设置目标状态：不透明，回到原位 */
/* .animate-grid 类由 JS 添加 */
.animate-grid .service-item,
.animate-grid .stat-item {
    opacity: 1;
    transform: translateY(0);
}

/* 3. 设置延迟：利用 nth-child 实现从上到下（或左到右）依次显示 */
/* Services 的延迟 */
.animate-grid .service-item:nth-child(1) { transition-delay: 0.1s; }
.animate-grid .service-item:nth-child(2) { transition-delay: 0.3s; }
.animate-grid .service-item:nth-child(3) { transition-delay: 0.5s; }
.animate-grid .service-item:nth-child(4) { transition-delay: 0.7s; }

/* Fun Facts 的延迟 */
.animate-grid .stat-item:nth-child(1) { transition-delay: 0.1s; }
.animate-grid .stat-item:nth-child(2) { transition-delay: 0.3s; }
.animate-grid .stat-item:nth-child(3) { transition-delay: 0.5s; }
.animate-grid .stat-item:nth-child(4) { transition-delay: 0.7s; }


/* Contact 区域 (保持不变) */
.contact-section { background-color: #fff; position: relative; z-index: 2; }
.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 0.8rem; margin-bottom: 5px; color: #555; }
.form-group input, .form-group textarea { width: 100%; padding: 10px; border: 1px solid #ccc; font-family: inherit; }
.form-group input:focus, .form-group textarea:focus { border-color: #7b72e9; outline: none; }
.submit-btn { background-color: #5c6ac4; color: #fff; border: none; padding: 12px 35px; cursor: pointer; font-size: 1rem; font-weight: bold; transition: background 0.3s; }
.submit-btn:hover { background-color: #4a56a0; }
.contact-info h4 { margin-bottom: 20px; font-size: 1.1rem; }
.info-block { margin-bottom: 30px; font-size: 0.95rem; color: #555; line-height: 1.8;}

/* Footer (保持不变) */
footer { background-color: #28283e; color: #aaa; padding: 40px 0; font-size: 0.8rem; position: relative; z-index: 2;}
.footer-content { display: flex; justify-content: space-between; align-items: center; }

/* 响应式调整 */
@media (max-width: 768px) {
    .stats-grid, .contact-layout { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 2.5rem; }
    .nav-container nav ul { display: none; }
    
    /* 移动端调整背景层大小，防止过于夸张 */
    .services-section::before { width: 200%; padding-bottom: 200%; }
    .services-section::after { width: 150%; padding-bottom: 150%; }
}


/* =========================================
   About Page Specific Styles
   ========================================= */

/* 1. About Hero 
   仿照图片中的办公室/仓库背景，上面有一个 About 标题 */
   .about-hero {
    height: 50vh; /* 高度比主页 Hero 矮一点 */
    background: url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 60px; /* 避开导航栏 */
}

/* 白色遮罩，让文字更清晰，同时模拟图片的浅色调 */
.about-hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255, 255, 255, 0.85); 
}

.hero-content-center {
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero-content-center h1 {
    font-size: 3.5rem;
    color: #000;
    font-weight: 800;
    letter-spacing: -1px;
}

/* 2. Story Text Section 
   "Pioneering Media Distribution..." */
.story-section {
    padding: 80px 0;
    background-color: #fff;
}

.text-container {
    max-width: 900px; /* 限制宽度以提高可读性 */
}

.story-section h2 {
    font-size: 2rem;
    margin-bottom: 40px;
    line-height: 1.3;
    color: #000;
}

.story-section p {
    margin-bottom: 25px;
    font-size: 1rem;
    color: #555;
    line-height: 1.8;
}

.story-section strong {
    color: #000;
    font-weight: 700;
}

/* 3. Mission Section (Blue Area) 
   "Our Mission: Bridging Brands..." */
.mission-section {
    background-color: #3b5b78; /* 图片中的深蓝灰色 */
    color: #fff;
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

/* 模拟背景中的科技线条 */
.mission-bg-decoration {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 10px,
        rgba(255,255,255,0.05) 10px,
        rgba(255,255,255,0.05) 11px
    );
    z-index: 1;
    pointer-events: none;
}

.mission-grid {
    display: grid;
    grid-template-columns: 1fr 2fr; /* 左边窄，右边宽 */
    gap: 60px;
    position: relative;
    z-index: 2;
    align-items: flex-start;
}

.mission-left h2 {
    font-size: 3rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.mission-left h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 20px;
    opacity: 0.9;
}

.white-line {
    background-color: #fff !important; /* 强制覆盖之前的紫色 */
    width: 30px;
}

.mission-right p {
    font-size: 1.1rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-top: 10px; /* 稍微对其左侧标题 */
}

/* 4. Let's Work Together Form 
   区别于主页，这里更宽敞 */
.work-together-section {
    padding: 100px 0;
    background-color: #fff;
}

.subtitle {
    margin-bottom: 50px;
    color: #666;
}

.clean-form {
    max-width: 800px; /* 表单宽度 */
}

.form-row {
    display: flex;
    gap: 30px;
}

.form-row .form-group {
    flex: 1;
}

/* 覆盖默认 input 样式，使其只有底部边框或简洁边框 */
.clean-form input,
.clean-form textarea {
    background: transparent;
    border: 1px solid #ccc;
    padding: 15px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.clean-form input:focus,
.clean-form textarea:focus {
    border-color: #3b5b78;
}

.form-footer {
    text-align: right; /* 按钮靠右 */
    margin-top: 20px;
}

.solid-btn {
    background-color: #5c6ac4;
    padding: 12px 40px;
    border-radius: 0; /* 方角按钮 */
    width: auto; /* 不像之前那样全宽 */
}

/* 5. 通用淡入动画类 (配合 HTML 中的 JS) */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

/* Responsive for About Page */
@media (max-width: 768px) {
    .mission-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .about-hero h1 {
        font-size: 2.5rem;
    }
}



/* =========================================
   Flyer Service Page Styles
   ========================================= */

/* 1. Hero Section */
.service-hero {
    height: 40vh; /* 比主页Hero矮 */
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 60px;
}

.flyer-hero {
    /* 这里可以使用具体的Flyer背景图 */
    background-image: url('https://images.unsplash.com/photo-1557804506-669a67965ba0?ixlib=rb-1.2.1&auto=format&fit=crop&w=1567&q=80');
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.4); /* 暗色遮罩 */
}

.service-hero h1 {
    color: #fff;
    font-size: 3rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
    max-width: 800px;
}

/* 2. Intro Section */
.service-intro {
    padding: 80px 0;
    background: #fff;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.intro-left h2 {
    font-size: 1.8rem;
    line-height: 1.3;
    margin-bottom: 20px;
}

.intro-right p {
    color: #555;
    line-height: 1.8;
}

/* 3. Process Section (The Purple Wave Area) */
.process-section {
    background-color: #bec5eb; /* 图片中的淡紫色 */
    padding-bottom: 100px;
    position: relative;
}

/* 波浪 SVG 容器 */
.wave-divider {
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.wave-divider svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 80px; /* 波浪高度 */
    background: #fff; /* 上一部分是白色 */
}

/* 覆盖 SVG 颜色以匹配背景 */
.wave-divider svg path {
    fill: #bec5eb; 
}

.process-content {
    padding-top: 100px; /* 给波浪留出空间 */
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #000;
}

.section-subtitle {
    margin-bottom: 60px;
    color: #444;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

/* 白色卡片 */
.process-card {
    background: #fff;
    padding: 40px 30px;
    position: relative;
    border-radius: 4px; /* 轻微圆角 */
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    margin-top: 30px; /* 给上面的圆圈留空间 */
}

/* 数字圆圈 */
.step-circle {
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background-color: #bec5eb; /* 与背景色相同，或者深一点 */
    /* 图片中似乎是一个比背景深一点的圆 */
    background: #aab2e0; 
    border: 5px solid #fff; /* 白边 */
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: #000;
}

.process-card h3 {
    margin-top: 20px;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.process-card p {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.6;
}

/* 4. Why Us Section */
.why-us-section {
    padding: 100px 0;
    background: #fff;
}

.why-us-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    align-items: center;
}

.why-left h3 {
    font-size: 1.8rem;
    margin-bottom: 30px;
}

.why-icon {
    position: relative;
    width: 100px;
    margin-top: 20px;
}

/* 右侧列表项样式 */
.benefit-item {
    background-color: #eaeff5; /* 浅蓝灰色背景 */
    padding: 20px 30px;
    border-radius: 20px; /* 胶囊圆角 */
    margin-bottom: 20px;
    transition: transform 0.3s;
}

.benefit-item:hover {
    transform: translateX(10px);
}

.benefit-item h4 {
    margin-bottom: 5px;
    color: #000;
    font-size: 1.1rem;
}

.benefit-item p {
    font-size: 0.9rem;
    color: #555;
    margin: 0;
}

/* 5. CTA Banner (Bottom) */
.cta-banner {
    background-color: #1a1a1a;
    color: #fff;
    padding: 60px 0;
    text-align: center;
}

.cta-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-icon-circle {
    width: 60px;
    height: 60px;
    border: 2px solid #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.cta-content p {
    margin-bottom: 30px;
    font-size: 1rem;
    line-height: 1.6;
}

.cta-link {
    color: #fff;
    text-transform: uppercase;
    font-size: 0.9rem;
    font-weight: bold;
    border-bottom: 1px solid #fff;
    padding-bottom: 2px;
    transition: opacity 0.3s;
}

.cta-link:hover {
    opacity: 0.8;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .intro-grid, 
    .why-us-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .why-icon {
        margin: 0 auto 30px auto;
    }
    
    .step-circle {
        /* 在移动端调整大小 */
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}



/* =========================================
   Digital Marketing Page Specific Styles
   ========================================= */

/* 1. Hero Section 
   使用一张丰富多彩的科技/营销类背景图 */
   .digital-hero {
    height: 40vh;
    margin-top: 60px;
    background: url('https://images.unsplash.com/photo-1551288049-bebda4e38f71?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 给图片加一个稍微亮一点的遮罩，或者根据原图可以不加 */
.digital-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(255, 255, 255, 0.2); /* 浅色遮罩，让文字更黑更清楚 */
}

.digital-hero h1 {
    font-size: 3rem;
    color: #000;
    background: rgba(255, 255, 255, 0.8); /* 模拟原图中文字背后的半透明框 */
    padding: 15px 30px;
    border-radius: 5px;
    position: relative;
    z-index: 2;
    text-shadow: none;
    font-weight: 800;
}

/* 2. Process Section 小调整 */
.small-title {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 5px;
}

/* 3. Services Offered Grid (新加入的方块区域) */
.services-list-section {
    padding: 80px 0;
    background-color: #fff;
}

.text-center {
    text-align: center;
}

.services-offer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); /* 自适应列 */
    gap: 30px;
    margin-top: 50px;
}

.offer-card {
    background-color: #f0f4f8; /* 浅蓝灰色背景 */
    padding: 40px 20px;
    border-radius: 8px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.offer-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    background-color: #e6eef5;
}

.offer-icon {
    margin-bottom: 20px;
    color: #333;
}

.offer-icon svg {
    stroke: #333; /* 确保图标颜色是深色 */
}

.offer-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .digital-hero h1 {
        font-size: 2rem;
        width: 90%;
        text-align: center;
    }
}


/* =========================================
   Social Media Page Specific Styles
   ========================================= */

/* 1. Hero Section 
   背景图使用社交媒体图标/手机屏幕相关的图片 */
   .social-hero {
    height: 40vh;
    margin-top: 60px;
    /* Unsplash 上的一张展示手机APP图标的图片 */
    background: url('https://images.unsplash.com/photo-1611162617474-5b21e879e113?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 增加较深的遮罩，确保白色文字清晰可见 */
.social-hero .hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6); 
    z-index: 1;
}

.social-hero h1 {
    font-size: 3rem;
    color: #fff;
    position: relative;
    z-index: 2;
    text-shadow: 0 4px 8px rgba(0,0,0,0.6);
    text-align: center;
    font-weight: 800;
}

/* Responsive adjustment for Hero Title */
@media (max-width: 768px) {
    .social-hero h1 {
        font-size: 2rem;
        padding: 0 15px;
    }
}


/* =========================================
   Social Media Page Specific Styles
   ========================================= */

/* 1. Hero Section 
   背景图使用社交媒体图标/手机屏幕相关的图片 */
   .social-hero {
    height: 40vh;
    margin-top: 60px;
    /* Unsplash 上的一张展示手机APP图标的图片 */
    background: url('https://images.unsplash.com/photo-1611162617474-5b21e879e113?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 增加较深的遮罩，确保白色文字清晰可见 */
.social-hero .hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.6); 
    z-index: 1;
}

.social-hero h1 {
    font-size: 3rem;
    color: #fff;
    position: relative;
    z-index: 2;
    text-shadow: 0 4px 8px rgba(0,0,0,0.6);
    text-align: center;
    font-weight: 800;
}

/* Responsive adjustment for Hero Title */
@media (max-width: 768px) {
    .social-hero h1 {
        font-size: 2rem;
        padding: 0 15px;
    }
}


/* =========================================
   Web Development Page Specific Styles
   ========================================= */

/* 1. Hero Section 
   使用开发代码、手机界面或办公桌面的图片背景 */
   .web-hero {
    height: 40vh;
    margin-top: 60px;
    background: url('https://images.unsplash.com/photo-1547658719-da2b51169166?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 遮罩层，让文字更清晰 */
.web-hero .hero-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5); 
    z-index: 1;
}

.web-hero h1 {
    font-size: 2.8rem; /* 稍微调小一点以防标题太长折行太多 */
    color: #fff;
    position: relative;
    z-index: 2;
    text-shadow: 0 4px 8px rgba(0,0,0,0.6);
    text-align: center;
    font-weight: 800;
    max-width: 900px;
}

/* 移动端适配标题大小 */
@media (max-width: 768px) {
    .web-hero h1 {
        font-size: 1.8rem;
    }
}