/* 自定义颜色变量 */
/* 注意：Font Awesome 应通过 CDN 加载，而非本地字体文件 */
:root {
    --primary-color: #FFA500;
    --secondary-color: #10B981;
    --accent-color: #FF8C00;
    --text-color: #1F2937;
    --light-text: #6B7280;
    --background-color: #F9FAFB;
    --card-color: #FFFFFF;
    --border-color: #E5E7EB;
}

/* 自定义基础样式 */
@layer base {
    body {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', sans-serif;
        color: var(--text-color);
        background-color: var(--background-color);
        line-height: 1.6;
        margin: 0;
        padding: 0;
    }

    h1, h2, h3, h4, h5, h6 {
        font-weight: 700;
        line-height: 1.3;
        margin-top: 0;
    }

    a {
        color: var(--primary-color);
        text-decoration: none;
        transition: all 0.3s ease;
    }

    a:hover {
        color: var(--accent-color);
    }

    ul, ol {
        padding-left: 1.5rem;
    }
}

/* 自定义组件样式 */
@layer components {
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 1.5rem;
    }

    .btn-primary {
        background-color: var(--primary-color);
        color: white;
        padding: 0.75rem 1.5rem;
        border-radius: 0.5rem;
        font-weight: 700;
        font-size: 1rem;
        transition: all 0.3s ease;
        display: inline-block;
        cursor: pointer;
        border: none;
        text-decoration: none;
        box-shadow: 0 4px 12px rgba(255, 165, 0, 0.3);
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    }

    .btn-primary:hover:not(:disabled) {
        background-color: var(--accent-color);
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(255, 140, 0, 0.4);
    }

    .btn-primary:disabled {
        background-color: var(--light-text);
        cursor: not-allowed;
        transform: none;
        box-shadow: none;
    }

    .btn-secondary {
        background-color: white;
        color: var(--primary-color);
        padding: 0.75rem 1.5rem;
        border-radius: 0.5rem;
        font-weight: 700;
        font-size: 1rem;
        transition: all 0.3s ease;
        display: inline-block;
        cursor: pointer;
        border: 2px solid var(--primary-color);
        text-decoration: none;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .btn-secondary:hover:not(:disabled) {
        background-color: var(--primary-color);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 6px 16px rgba(255, 165, 0, 0.3);
    }
    
    .btn-secondary:disabled,
.btn-secondary.disabled {
    background-color: white;
    color: var(--primary-color);
    border-color: var(--primary-color);
    cursor: pointer;
    text-decoration: none;
    /* 保留动效相关属性 */
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
    
    /* Toast Notification Styles */
    .toast {
        position: fixed;
        bottom: 2rem;
        left: 50%;
        transform: translateX(-50%) translateY(100px);
        background-color: var(--text-color);
        color: white;
        padding: 0.75rem 1.5rem;
        border-radius: 0.5rem;
        font-weight: 500;
        opacity: 0;
        transition: all 0.3s ease;
        z-index: 1000;
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
        max-width: 90%;
        word-wrap: break-word;
    }
    
    .toast.active {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
    
    /* Toast响应式优化 */
    @media (max-width: 768px) {
        .toast {
            padding: 0.6rem 1.25rem;
            font-size: 0.9rem;
            bottom: 1.5rem;
            max-width: 92%;
        }
    }
    
    @media (max-width: 480px) {
        .toast {
            padding: 0.5rem 1rem;
            font-size: 0.85rem;
            bottom: 1rem;
            max-width: 95%;
            left: 50%;
            transform: translateX(-50%) translateY(80px);
        }
        
        .toast.active {
            transform: translateX(-50%) translateY(0);
        }
    }

    .card {
        background-color: var(--card-color);
        border-radius: 0.75rem;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        padding: 1.5rem;
        transition: all 0.3s ease;
    }

    .card:hover {
        box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
        transform: translateY(-5px);
    }
}

/* 导航栏样式 */
.navbar {
    background-color: white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0.75rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    flex-shrink: 0;
}

.logo-link {
    display: inline-block;
}

.logo-img {
    height: 40px;
    display: block !important;
    width: auto;
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
    z-index: 9999 !important;
    /* 移除背景相关样式，只保留logo本身 */
    background-color: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    transition: transform 0.2s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

/* 中心导航 */
.nav-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.main-nav {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    color: var(--text-color);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    position: relative;
}

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

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.nav-item:hover::after {
    width: 100%;
}

/* 用户操作区域 */
.user-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-btn {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
}

/* 语言选择器 */
.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background-color: transparent;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.lang-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 英雄区域样式 */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, #FFF8F0 100%);
    color: white;
    padding: 7rem 0;
    position: relative;
    overflow: hidden;
    animation: gradientFlow 10s ease infinite;
    background-size: 400% 400%;
}

/* 渐变流动动画 */
@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 添加装饰性元素 */
.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    animation: float 8s ease-in-out infinite;
    z-index: 1;
}

.hero::before {
    width: 300px;
    height: 300px;
    top: -150px;
    left: 10%;
    animation-delay: 0s;
}

/* 第二个装饰元素 */
.hero .decor-circle {
    content: '';
    position: absolute;
    width: 150px;
    height: 150px;
    top: 50%;
    right: 10%;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    animation: float 15s ease-in-out infinite;
    animation-delay: 5s;
    z-index: 1;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.3;
    }
    50% {
        transform: translate(30px, 20px) scale(1.1);
        opacity: 0.5;
    }
}

/* 波浪装饰 */
.hero .wave-decor {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="url(%23waveGradient)" fill-opacity="0.8" d="M0,256L60,245.3C120,235,240,213,360,208C480,203,600,213,720,229.3C840,245,960,267,1080,261.3C1200,256,1320,224,1380,208L1440,192L1440,320L1380,320C1320,320,1200,320,1080,320C960,320,840,320,720,320C600,320,480,320,360,320C240,320,120,320,60,320L0,320Z"></path><defs><linearGradient id="waveGradient" x1="0%" y1="0%" x2="100%" y2="0%"><stop offset="0%" stop-color="%23FFD7A9" /><stop offset="50%" stop-color="%23FFE5CC" /><stop offset="100%" stop-color="%23FFD7A9" /></linearGradient></defs></svg>');
    background-size: cover;
    background-position: center bottom;
    background-repeat: repeat-x;
    animation: wave 12s ease-in-out infinite;
    z-index: 2;
}

@keyframes wave {
    0%, 100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

.hero-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 3;
    animation: fadeInUp 1s ease-out;
}



@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    font-weight: 800;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.6;
}

/* 英雄区域CTA按钮 */
.hero-cta {
    margin-bottom: 2.5rem;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    min-width: 200px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* 信任指示器 */
.trust-indicators {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 2rem;
    animation: fadeIn 1.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 500;
}

.trust-item i {
    color: #4CAF50;
    font-size: 1.125rem;
}

/* 节标题样式 */
.section-title {
    font-size: 2.25rem;
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 800;
    color: var(--text-color);
}

.section-subtitle {
    font-size: 1.125rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--light-text);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* PDF工具展示区域 */
.pdf-tools-showcase {
    padding: 5rem 0;
    background-color: #f8fafc;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tool-card {
    background-color: white;
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.tool-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: rgba(255, 165, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.tool-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.tool-card p {
    margin-bottom: 1.5rem;
    color: var(--light-text);
    font-size: 0.9375rem;
}

.tool-btn {
    padding: 0.75rem 1.5rem;
    font-size: 0.9375rem;
}

/* 特性部分优化 */
.features {
    padding: 5rem 0;
    background-color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.feature-card {
    text-align: center;
    padding: 2rem;
    background-color: #f8fafc;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.feature-card .feature-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background-color: rgba(255, 165, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    font-size: 1.75rem;
}

.feature-card h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.feature-card p {
    color: var(--light-text);
    font-size: 0.9375rem;
}

/* 服务部分优化 */
.services {
    padding: 5rem 0;
    background-color: #f8fafc;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.service-card {
    background-color: white;
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08);
}

.service-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: rgba(255, 165, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-color);
    font-size: 2rem;
}

.service-card h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-card p {
    margin-bottom: 1.5rem;
    color: var(--light-text);
    font-size: 0.9375rem;
}

.service-btn {
    font-size: 0.9375rem;
}

/* 关于和联系部分样式优化 */
.about,
.contact {
    padding: 5rem 0;
    text-align: center;
}

.about-content,
.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.about-content p,
.contact-content p {
    margin-bottom: 1.5rem;
    line-height: 1.7;
    color: var(--light-text);
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-color);
    font-size: 1rem;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

/* 页脚优化 */
footer {
    background-color: var(--background-color);
    color: var(--text-color);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-logo img {
    height: 40px;
    background-color: white;
    padding: 5px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.footer-links {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-color);
    font-size: 0.9375rem;
    transition: color 0.3s ease;
}

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

.footer-social {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.footer-social a {
    color: var(--text-color);
    font-size: 1.25rem;
    transition: color 0.3s ease;
}

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

.footer-copy {
    color: var(--light-text);
    font-size: 0.875rem;
    margin-top: 1rem;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .navbar .container {
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
        gap: 1rem;
        padding: 0.5rem 1rem;
    }
    
    .nav-center {
        order: 2;
        flex: 1;
        justify-content: center;
        min-width: 0;
    }
    
    /* 确保语言选择器在右侧 */
    .nav-right {
        order: 3;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        flex-shrink: 0;
    }
    
    .user-actions {
        flex-direction: row;
        justify-content: flex-end;
        gap: 0.75rem;
    }
    
    .language-selector {
        display: flex;
        align-items: center;
    }
    
    .main-nav {
        gap: 0.75rem;
        justify-content: center;
        flex-wrap: nowrap;
        flex-direction: row;
        min-width: 0;
    }
    
    .nav-item {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .hero {
        padding: 5rem 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .trust-indicators {
        gap: 1rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .pdf-tools-showcase,
    .features,
    .services,
    .about,
    .contact {
        padding: 3rem 0;
    }
    
    .tools-grid,
    .features-grid,
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
}



@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn-large {
        padding: 0.75rem 2rem;
        font-size: 1rem;
        min-width: auto;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .nav-btn {
        display: none;
    }
    
    .navbar .container {
        flex-wrap: nowrap;
        justify-content: space-between;
        align-items: center;
        gap: 0.5rem;
        padding: 0.5rem 0.75rem;
    }
    
    /* 确保语言选择器在右侧，且在小屏幕上保持正确的顺序 */
    .nav-right {
        order: 3;
        display: flex;
        justify-content: flex-end;
        align-items: center;
        flex-shrink: 0;
    }
    
    .user-actions {
        flex-direction: row;
        justify-content: flex-end;
        gap: 0.5rem;
    }
    
    .language-selector {
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }
    
    .lang-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
        gap: 0.3rem;
    }
    
    .nav-center {
        flex: 1;
        min-width: 0;
    }
    
    .main-nav {
        gap: 0.5rem;
        justify-content: center;
        flex-wrap: nowrap;
        flex-direction: row;
        min-width: 0;
    }
    
    .nav-item {
        font-size: 0.875rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        padding: 0.25rem 0;
    }
}

/* Hero decorations */
.hero-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.bubble {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 8s ease-in-out infinite;
}

.bubble-1 {
    width: 150px;
    height: 150px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.bubble-2 {
    width: 100px;
    height: 100px;
    top: 60%;
    left: 80%;
    animation-delay: 2s;
}

.bubble-3 {
    width: 80px;
    height: 80px;
    top: 40%;
    left: 15%;
    animation-delay: 4s;
}

.bubble-4 {
    width: 120px;
    height: 120px;
    top: 70%;
    left: 60%;
    animation-delay: 6s;
}

.shine-effect {
    position: absolute;
    top: -20%;
    left: -20%;
    width: 40%;
    height: 140%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.1) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg);
    animation: shine 8s linear infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    50% {
        transform: translateY(-20px) translateX(20px);
    }
}

@keyframes shine {
    0% {
        transform: translateX(-100%) rotate(30deg);
    }
    100% {
        transform: translateX(300%) rotate(30deg);
    }
}
    flex-wrap: wrap;
}

/* 特性区域样式 */
.features {
    background-color: var(--background-color);
    padding: 5rem 0;
}

.features h2 {
    font-size: 2.25rem;
    margin-bottom: 3rem;
    text-align: center;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: var(--card-color);
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: inline-block;
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--light-text);
}

/* 服务区域样式 */
.services {
    background-color: white;
    padding: 5rem 0;
}

.services h2 {
    font-size: 2.25rem;
    margin-bottom: 3rem;
    text-align: center;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--card-color);
    border-radius: 0.75rem;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 250px;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: inline-block;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--light-text);
    margin-bottom: 1.5rem;
}

.service-btn {
    margin-top: auto;
}

/* 关于我们区域样式 */
.about {
    background-color: var(--background-color);
    padding: 5rem 0;
}

.about h2 {
    font-size: 2.25rem;
    margin-bottom: 2rem;
    text-align: center;
}

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

.about-content p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    color: var(--text-color);
}

/* 联系我们区域样式 */
.contact {
    background-color: white;
    padding: 5rem 0;
}

.contact h2 {
    font-size: 2.25rem;
    margin-bottom: 2rem;
    text-align: center;
}

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

.contact-content p {
    margin-bottom: 2rem;
    font-size: 1.125rem;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.125rem;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.5rem;
}

/* 页脚样式 */
footer {
    background-color: #1F2937;
    color: white;
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.footer-logo img {
    margin-right: 0.5rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: white;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.25rem;
}

.footer-social a:hover {
    color: white;
}

.footer-copy {
    margin-top: 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .hero p {
        font-size: 1.125rem;
    }
    
    .features, .services, .about, .contact {
        padding: 3rem 0;
    }
    
    .features h2, .services h2, .about h2, .contact h2 {
        font-size: 1.75rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .contact-info {
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons a {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }
}`,"rewrite":false}}}