/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none;   /* Safari */
    -khtml-user-select: none;    /* Konqueror HTML */
    -moz-user-select: none;      /* Firefox */
    -ms-user-select: none;       /* Internet Explorer/Edge */
    user-select: none;           /* Non-prefixed version */
}

html {
    scroll-behavior: smooth;
}

/* 颜色变量 */
:root {
    --primary-color: #FF6B00;     /* 主色调-橙色 */
    --secondary-color: #07c160;   /* 次要色调-绿色（微信按钮） */
    --text-color: #FFFFFF;        /* 主要文字颜色-白色 */
    --light-text: #CCCCCC;        /* 次要文字颜色-浅灰 */
    --background-color: #000000;  /* 背景色-黑色 */
    --dark-bg: #111111;          /* 深色背景-深灰 */
    --border-color: #333333;      /* 边框颜色-深灰 */
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-color: var(--background-color);
    color: var(--text-color);
    -webkit-tap-highlight-color: transparent; /* 移除移动端点击高亮 */
}

/* 图片保护 */
img.protected {
    pointer-events: none;
    -webkit-touch-callout: none;
}

/* 导航栏样式 */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: rgba(0, 0, 0, 0.95);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-color);
}

.order-btn a {
    background-color: var(--primary-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s ease;
}

.order-btn a:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(255,107,0,0.3);
}

/* 主横幅样式 */
.hero {
    padding: 8rem 5% 4rem;
    text-align: center;
    background-color: var(--background-color);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    background: linear-gradient(45deg, #FF6B00, #FF9500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-fill-color: transparent;
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    margin-top: 5rem;
}

.hero p {
    color: var(--light-text);
    margin-bottom: 1rem;
}

.cta-button {
    background-color: var(--primary-color);
    color: var(--text-color);
    border: none;
    padding: 1rem 2rem;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    margin-top: 2rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    background: linear-gradient(45deg, #FF6B00, #FF9500);
    border: none;
    padding: 1.2rem 2.5rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255,255,255,0.1);
    transform: rotate(45deg);
    transition: transform 0.6s;
    pointer-events: none;
}

.cta-button:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255,107,0,0.3);
}

/* 部分样式 */
.section {
    padding: 4rem 5%;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* 为不同section添加不同的延迟 */
#why-us.fade-in {
    transition-delay: 0.2s;
}

#languages.fade-in {
    transition-delay: 0.3s;
}

#projects.fade-in {
    transition-delay: 0.4s;
}

#pricing.fade-in {
    transition-delay: 0.5s;
}

#contact.fade-in {
    transition-delay: 0.6s;
}

.section h2 {
    text-align: center;

    color: var(--text-color);
}

/* 特性网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    padding: 2rem;
    text-align: center;
    border-radius: 10px;
    transition: all 0.3s ease;
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    box-shadow: inset 0 0 15px rgba(255,107,0,0.1);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    background: linear-gradient(145deg, #0a0a0a, #1a1a1a);
    box-shadow: 0 10px 30px rgba(255,107,0,0.2);
}

.feature-card i {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--text-color);
    margin: 1rem 0;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-color);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* 项目卡片 */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 2rem auto;
}

#projects p{
    text-align: center;
    margin-bottom: 2rem;
    opacity: 0.5;
}

.mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8); /* 半透明白色，调整透明度以获得更好的效果 */
    backdrop-filter: blur(10px); /* 添加模糊效果 */
    color: var(--primary-color); /* 文字颜色 */
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px; /* 根据需要调整字体大小 */
}

.project-card {
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    padding-bottom: 1.5rem;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255,107,0,0.2);
    border-color: var(--primary-color);
}

.project-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.project-card h3 {
    color: var(--text-color);
    font-size: 1.5rem;
    margin: 1.5rem;
    text-align: center;
}

.project-card p {
    color: var(--light-text);
    margin: 0 1.5rem 1.5rem;
    line-height: 1.6;
    text-align: center;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
    margin: 0 1.5rem 1.5rem;
}

.project-tags span {
    background: rgba(255,107,0,0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.project-tags span:hover {
    background: var(--primary-color);
    color: var(--text-color);
    transform: translateY(-2px);
}

.view-project {
    display: block;
    width: fit-content;
    margin: 0 auto 1rem;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), #FF9500);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(255,107,0,0.2);
}

.view-project:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,107,0,0.4);
}

.view-project::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255,255,255,0.1);
    transform: rotate(45deg);
    transition: transform 0.6s;
    pointer-events: none;
}

.view-project:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

@media (max-width: 768px) {
    .project-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
}

/* 价格卡片 */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.pricing-card {
    padding: 2rem;
    text-align: center;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border: 1px solid rgba(255,107,0,0.1);
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.pricing-card.popular {
    border-color: var(--primary-color);
    position: relative;
    background: linear-gradient(145deg, #0a0a0a, #1a1a1a);
    border: 2px solid var(--primary-color);
}

.popular-tag {
    background: var(--primary-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    position: absolute;
    top: -15px;
    right: 20px;
    border-radius: 20px;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 1.5rem 0;
}

#pricing h2{
    text-align: center;
    margin-bottom: 0rem;
}

#pricing p{
    text-align: center;
    margin-bottom: 2rem;
    opacity: 0.5;
}



/* 联系表单 */
#contact h2{
    text-align: center;
    margin-bottom: 0rem;
}

#contact p{
    text-align: center;
    margin-bottom: 2rem;
    opacity: 0.5;
}

#contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

#contact-form input,
#contact-form textarea {
    padding: 0.8rem;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    transition: all 0.3s ease;
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border: 1px solid rgba(255,107,0,0.1);
}

#contact-form input:focus,
#contact-form textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 5px rgba(255,107,0,0.3);
    background: linear-gradient(145deg, #0a0a0a, #1a1a1a);
    border-color: var(--primary-color);
    box-shadow: 0 0 15px rgba(255,107,0,0.2);
}

#contact-form button {
    background: var(--primary-color);
    color: var(--text-color);
    border: none;
    padding: 1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

#contact-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(255,107,0,0.3);
}

/* 页脚样式 */
footer {
    background-color: var(--dark-bg);
    padding: 2rem 5%;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--light-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.social-links a {
    color: var(--light-text);
    font-size: 1.5rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* 微信二维码悬浮样式 */
.wechat-container {
    position: relative;
    display: inline-block;
}

.wechat-qr {
    display: none;
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 150px;
    height: 150px;
    padding: 5px;
    background: white;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    margin-bottom: 10px;
    z-index: 1000;
}

.wechat-qr img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 3px;
}

.wechat-container:hover .wechat-qr {
    display: block;
}

.wechat-qr::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 10px 10px 0;
    border-style: solid;
    border-color: white transparent transparent;
}

/* 移动端菜单 */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-links {
        display: flex;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        max-height: 0;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        padding: 0;
        flex-direction: column;
        align-items: center;
        gap: 0;
        z-index: 1000;
        border-bottom: 1px solid var(--border-color);
        overflow: hidden;
        transition: all 0.3s ease-in-out;
        opacity: 0;
        visibility: hidden;
    }

    .nav-links.active {
        max-height: 400px; /* 设置一个足够大的高度 */
        padding: 1rem;
        opacity: 1;
        visibility: visible;
        gap: 1rem;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
        transform: translateY(-20px);
        opacity: 0;
        transition: all 0.3s ease-in-out;
        margin: 0;
        padding: 0;
    }

    .nav-links.active li {
        transform: translateY(0);
        opacity: 1;
        margin: 0.3rem 0;
    }

    /* 添加交错动画延迟 */
    .nav-links li:nth-child(1) { transition-delay: 0.1s; }
    .nav-links li:nth-child(2) { transition-delay: 0.15s; }
    .nav-links li:nth-child(3) { transition-delay: 0.2s; }
    .nav-links li:nth-child(4) { transition-delay: 0.25s; }
    .nav-links li:nth-child(5) { transition-delay: 0.3s; }

    /* 收起时重置延迟 */
    .nav-links:not(.active) li {
        transition-delay: 0s;
        transform: translateY(-10px);
        opacity: 0;
    }

    .nav-links a {
        padding: 0.8rem;
        width: 100%;
        display: block;
        transform: translateY(0);
        transition: transform 0.3s ease;
    }

    .nav-links a:hover {
        transform: translateY(-2px);
    }

    .order-btn {
        width: 100%;
        margin-top: 0.5rem;
    }

    .order-btn a {
        width: 100%;
        display: block;
        text-align: center;
    }

    .pricing-grid,
    .features-grid,
    .project-grid {
        grid-template-columns: 1fr;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 项目卡片效果增强 */
.project-card {
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
}

.project-tags span {
    background: rgba(255,107,0,0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    margin: 0.3rem;
    display: inline-block;
    transition: all 0.3s ease;
}

.project-tags span:hover {
    background: var(--primary-color);
    color: var(--text-color);
    transform: translateY(-2px);
}

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #ff8533;
}

/* 文字选中效果 */
::selection {
    background: var(--primary-color);
    color: var(--text-color);
}

/* 加载动画 */
.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--dark-bg);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Logo样式优化 */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    height: 40px;
    width: auto;
    display: block;
    object-fit: contain;
}

.logo-text {
    color: var(--text-color);
    font-size: 1.5rem;
    font-weight: bold;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .logo img {
        height: 32px;
    }
    
    .logo-text {
        font-size: 1.2rem;
    }
}

/* 视频展示样式 */
.video-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.video-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 宽高比 */
    background: var(--dark-bg);
    border-radius: 10px;
    overflow: hidden;
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 视频播放器自定义样式 */
video::-webkit-media-controls-panel {
    background: rgba(0, 0, 0, 0.7);
}

video::-webkit-media-controls-play-button {
    background-color: var(--primary-color);
    border-radius: 50%;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .logo img {
        height: 32px;
    }

    .video-showcase {
        grid-template-columns: 1fr;
    }
}

/* 编程语言区域样式优化 */
.language-logos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.language-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border-radius: 15px;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.language-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(255,107,0,0.2);
    border-color: var(--primary-color);
}

.language-item i {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), #FF9500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.language-item span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .language-logos {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        padding: 1rem 0;
    }

    .language-item {
        padding: 1rem;
    }

    .language-item i {
        font-size: 2.5rem;
    }
}

/* 图片展示框式 */
.image-showcase {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.image-showcase img {
    width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

@media (max-width: 768px) {
    .image-showcase {
        margin: 1rem auto;
    }
}

.features {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.feature-card {
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.feature-card i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin: 1rem 0;
    font-size: 1.5rem;
}

.feature-card p {
    line-height: 1.6;
}

.view-project {
    display: block;
    width: fit-content;
    margin: 0 auto;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, var(--primary-color), #FF9500);
    color: var(--text-color);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(255,107,0,0.2);
    margin-bottom: 1rem;
}

.view-project:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255,107,0,0.4);
}

.view-project::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: rgba(255,255,255,0.1);
    transform: rotate(45deg);
    transition: transform 0.6s;
    pointer-events: none;
}

.view-project:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

/* 删除视频弹窗样式 */
.video-modal,
.modal-overlay,
.modal-content,
.video-container,
.close-modal {
    display: none !important;
}

/* 联系我们部分 */
#contact {
    text-align: center;
    padding: 4rem 5%;
}

#contact h2 {
    margin-bottom: 0.5rem;
    font-size: 2.5rem;
    background: linear-gradient(45deg, var(--primary-color), #FF9500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#contact p {
    color: var(--light-text);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

.contact-container {
    display: flex;
    justify-content: center;
    gap: 4rem;
    max-width: 800px;
    margin: 0 auto;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    min-width: 250px;
    min-height: 350px;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255,107,0,0.2);
    border-color: var(--primary-color);
}

.contact-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.contact-item h3 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.contact-link {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-color);
    border-radius: 5px;
}

.contact-link:hover {
    color: #fff;
    background-color: var(--primary-color);
}

.qr-code {
    width: 150px;
    height: 150px;
    border-radius: 10px;
    border: 5px solid white;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

@media (max-width: 768px) {
    .contact-container {
        flex-direction: column;
        gap: 2rem;
    }
    
    .contact-item {
        width: 100%;
    }
}

/* 关于我们页面样式 */
.about-page {
    padding-top: 100px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.page-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, var(--primary-color), #FF9500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-line {
    width: 100px;
    height: 4px;
    background: linear-gradient(45deg, var(--primary-color), #FF9500);
    margin: 0 auto;
    border-radius: 2px;
}

.content-section {
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.content-section h2 {
    color: var(--text-color);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.content-section h2 i {
    color: var(--primary-color);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.advantage-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 107, 0, 0.1);
}

.advantage-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.advantage-item h3 {
    color: var(--text-color);
    margin-bottom: 1rem;
}

.advantage-item p {
    color: var(--light-text);
    line-height: 1.6;
}

.work-hours {
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.work-hours p {
    color: var(--light-text);
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.work-hours i {
    color: var(--primary-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .work-hours {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
}

/* 隐私政策页面样式 */
.privacy-page {
    padding-top: 100px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.info-list, .protection-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.info-item, .protection-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.info-item:hover, .protection-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 107, 0, 0.1);
}

.info-item i, .protection-item i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.info-content, .protection-content {
    flex: 1;
}

.info-content h3, .protection-content h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.info-content p, .protection-content p {
    color: var(--light-text);
    line-height: 1.6;
}

.usage-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.usage-item {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.usage-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 107, 0, 0.1);
}

.usage-item i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.usage-item p {
    color: var(--light-text);
    line-height: 1.6;
}

@media (max-width: 768px) {
    .info-list, .protection-list {
        grid-template-columns: 1fr;
    }

    .usage-list {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .info-item, .protection-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* 服务条款页面样式 */
.terms-page {
    padding-top: 100px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.terms-list, .promise-list, .payment-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.terms-item, .promise-item, .payment-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.terms-item:hover, .promise-item:hover, .payment-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 107, 0, 0.1);
}

.terms-item i, .promise-item i, .payment-item i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.terms-content, .promise-content, .payment-content {
    flex: 1;
}

.terms-content h3, .promise-content h3, .payment-content h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.terms-content p, .promise-content p, .payment-content p {
    color: var(--light-text);
    line-height: 1.6;
}

.disclaimer-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.disclaimer-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.disclaimer-item:hover {
    transform: translateY(-5px);
    background: rgba(255, 107, 0, 0.1);
}

.disclaimer-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.disclaimer-item p {
    color: var(--light-text);
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 768px) {
    .terms-list, .promise-list, .payment-list, .disclaimer-list {
        grid-template-columns: 1fr;
    }

    .terms-item, .promise-item, .payment-item, .disclaimer-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
}

/* 项目展示页面样式 */
.projects-page {
    padding-top: 100px;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.project-card {
    background: linear-gradient(145deg, #1a1a1a, #0a0a0a);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255,107,0,0.2);
    border-color: var(--primary-color);
}

.project-image {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 宽高比 */
    overflow: hidden;
}

.project-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
}

.project-image:hover .project-overlay {
    display: flex;
}

.project-overlay video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.project-card h3 {
    color: var(--text-color);
    padding: 1.5rem 1.5rem 0.5rem;
    font-size: 1.2rem;
}

.project-card p {
    color: var(--light-text);
    padding: 0 1.5rem 1rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0 1.5rem 1.5rem;
}

.project-tags span {
    background: rgba(255, 107, 0, 0.1);
    color: var(--primary-color);
    padding: 0.3rem 0.8rem;
    border-radius: 5px;
    font-size: 0.9rem;
    border: 1px solid var(--primary-color);
}

@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
}

/* 内容保护 */
.protect-content {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

img {
    pointer-events: none;
    -webkit-touch-callout: none;
}

/* 禁用文本选择 */
body {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 允许特定区域的文本选择 */
.allow-select {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* 图片保护 */
img.protected {
    pointer-events: none;
    -webkit-touch-callout: none;
}