/* 重置默认样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* 导航栏样式 */
.navbar {
    background: #fff;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 5px;
    font-family: 'Arial', sans-serif;
    cursor: pointer;
}

.logo-text {
    font-size: 24px;
    font-weight: bold;
    color: #007bff;
    letter-spacing: -0.5px;
}

.logo-meme {
    font-size: 18px;
    font-weight: 500;
    color: #dc3545;
    font-style: italic;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
    flex-wrap: wrap;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    font-size: 0.9em;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: #007bff;
}

/* Logo悬停效果 */
.logo:hover .logo-text {
    color: #0056b3;
}

.logo:hover .logo-meme {
    color: #c82333;
}

/* Logo链接样式 */
.logo-link {
    text-decoration: none;
    color: inherit;
}

.logo-link:hover {
    text-decoration: none;
}

/* 主要内容区样式 */
.hero {
    padding: 120px 0 60px;
    text-align: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    margin-bottom: 30px;
}

/* 按钮样式 */
.cta-button {
    padding: 15px 30px;
    font-size: 18px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.cta-button:hover {
    background: #0056b3;
}

/* 特点展示区样式 */
.features {
    padding: 80px 0;
    background: #fff;
}

.features h2 {
    text-align: center;
    margin-bottom: 50px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    padding: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    text-align: center;
}

.feature-card h3 {
    margin-bottom: 15px;
}

/* 联系我们样式 */
.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.contact h2 {
    text-align: center;
    margin-bottom: 40px;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.contact-form textarea {
    height: 150px;
    resize: vertical;
}

/* 页脚样式 */
.footer {
    background: #333;
    color: white;
    padding: 20px 0;
    text-align: center;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    
    .hero p {
        font-size: 18px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

/* Section 通用样式 */
.section {
    padding: 100px 0;
    overflow: hidden;
}

/* 为每个section设置不同的背景色，便于区分 */
.section1 {
    background-color: #f8f9fa;
    margin-top: 80px; /* 为导航栏留出空间 */
}

.section2 {
    background-color: #ffffff;
}

.section3 {
    background-color: #f8f9fa;
}

.section4 {
    background-color: #ffffff;
}

/* 确保container在section中正确居中 */
.section .container {
    position: relative;
}

/* Article styles */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.main-title {
    font-size: 2.5em;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

.article-intro {
    font-size: 1.2em;
    line-height: 1.8;
    color: #666;
    margin-bottom: 40px;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.article-section {
    margin-bottom: 50px;
}

/* 为包含图片的section添加特定类名 */
.article-section.with-image {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

section:nth-child(even) .article-section.with-image {
    flex-direction: row-reverse;
}

.article-image {
    flex: 0 0 45%;
    margin: 0;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.article-content {
    flex: 1;
}

.article-content h2 {
    margin-top: 0;
}

.feature-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.article-image:hover .feature-image {
    transform: scale(1.02);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .article-section:has(.article-image) {
        flex-direction: column !important;
        gap: 20px;
    }

    .article-image {
        width: 100%;
    }
}

.article-section h2 {
    font-size: 1.8em;
    color: #444;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #007bff;
}

.characteristics-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.characteristic-item {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.characteristic-item:hover {
    transform: translateY(-5px);
}

.characteristic-item h3 {
    color: #007bff;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.characteristic-item p {
    color: #666;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .main-title {
        font-size: 2em;
    }
    
    .article-intro {
        font-size: 1.1em;
    }
    
    .characteristics-list {
        grid-template-columns: 1fr;
    }
}

/* Impact Grid Styles */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.impact-item {
    background: #fff;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.impact-item:hover {
    transform: translateY(-5px);
}

.impact-item h3 {
    color: #007bff;
    margin-bottom: 15px;
    font-size: 1.3em;
}

/* Relate Content Styles */
.relate-content {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.relate-content > p {
    font-size: 1.1em;
    line-height: 1.8;
    margin-bottom: 30px;
    color: #555;
}

.perspective-box {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.perspective-box h3 {
    color: #007bff;
    margin-bottom: 15px;
    font-size: 1.3em;
}

.perspective-box p {
    color: #666;
    line-height: 1.7;
}

/* Conclusion Styles */
.conclusion {
    margin-top: 60px;
}

.conclusion-content {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.conclusion-content p {
    margin-bottom: 20px;
    line-height: 1.8;
    color: #555;
}

.summary-box {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin-top: 30px;
    border-left: 4px solid #007bff;
}

.summary-box p {
    font-weight: 500;
    margin-bottom: 0;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .impact-grid {
        grid-template-columns: 1fr;
    }
    
    .relate-content,
    .conclusion-content {
        padding: 20px;
    }
    
    .perspective-box,
    .summary-box {
        padding: 20px;
    }
}

/* Section 2 特殊样式 */
.origin-content {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.quote-box {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    border-left: 4px solid #007bff;
    font-style: italic;
    color: #555;
}

.impacts-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.impact-column {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.impact-column h3 {
    color: #007bff;
    margin-bottom: 25px;
    font-size: 1.4em;
    text-align: center;
}

.impact-column.negative h3 {
    color: #dc3545;
}

.impact-column .impact-item {
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.impact-column .impact-item h4 {
    color: #333;
    margin-bottom: 10px;
    font-size: 1.1em;
}

.impact-column .impact-item p {
    color: #666;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .impacts-container {
        grid-template-columns: 1fr;
    }
    
    .impact-column {
        padding: 20px;
    }
    
    .impact-column .impact-item {
        padding: 15px;
    }
}

/* Section 3 特殊样式 */
.coin-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
    text-align: center;
}

.stat-item {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.stat-label {
    display: block;
    color: #666;
    font-size: 0.9em;
    margin-bottom: 8px;
}

.stat-value {
    display: block;
    color: #007bff;
    font-size: 1.8em;
    font-weight: bold;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.feature-card {
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2.5em;
    margin-bottom: 15px;
}

.steps-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}

.step-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 20px;
    align-items: center;
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.step-number {
    width: 40px;
    height: 40px;
    background: #007bff;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2em;
}

.step-item h3 {
    color: #007bff;
    margin-bottom: 10px;
}

.future-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.trend-box {
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.trend-box h3 {
    color: #007bff;
    margin-bottom: 15px;
    font-size: 1.3em;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .coin-stats {
        grid-template-columns: 1fr;
    }
    
    .step-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .step-number {
        margin: 0 auto;
    }
}

/* Section 4 特殊样式 */
.concept-box {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    text-align: center;
}

.concept-icon {
    font-size: 3em;
    margin-bottom: 20px;
}

.mantra-box {
    background: linear-gradient(135deg, #e0f2ff 0%, #d6e4ff 100%);
    padding: 25px;
    border-radius: 10px;
    margin-top: 20px;
    font-size: 1.2em;
    font-style: italic;
    color: #007bff;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.benefit-card {
    background: #fff;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    transition: transform 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-icon {
    font-size: 2.5em;
    margin-bottom: 20px;
}

.tips-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}

.tip-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 25px;
    align-items: center;
    background: #fff;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.tip-number {
    font-size: 2em;
    font-weight: bold;
    color: #007bff;
    opacity: 0.3;
}

.tip-content h3 {
    color: #007bff;
    margin-bottom: 10px;
}

.final-mantra {
    background: linear-gradient(135deg, #e0f2ff 0%, #d6e4ff 100%);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    margin-top: 30px;
}

.final-mantra p {
    font-size: 1.2em;
    margin-bottom: 15px;
    color: #666;
}

.final-mantra h3 {
    font-size: 2em;
    color: #007bff;
    font-weight: bold;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .tip-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .tip-number {
        margin-bottom: 10px;
    }
    
    .final-mantra {
        padding: 25px;
    }
    
    .final-mantra h3 {
        font-size: 1.6em;
    }
}

/* 修改article-intro样式 */
.article-intro.with-image {
    display: flex;
    gap: 40px;
    align-items: center;
    padding: 0;
    background: none;
    box-shadow: none;
}

.article-intro.with-image .article-content {
    flex: 1;
    padding: 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}

.article-intro.with-image .article-content p {
    font-size: 1.2em;
    line-height: 1.8;
    color: #666;
    margin: 0;
}

/* 偶数section的图片放在右边 */
section:nth-child(even) .article-intro.with-image {
    flex-direction: row-reverse;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .article-intro.with-image {
        flex-direction: column !important;
        gap: 20px;
    }
    
    .article-intro.with-image .article-image {
        width: 100%;
    }
}

/* Footer Styles */
.footer {
    padding: 20px 0;
    background-color: #f8f9fa;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    gap: 15px;
}

.footer-btn {
    padding: 8px 16px;
    background-color: transparent;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    color: #666;
    transition: all 0.3s ease;
}

.footer-btn:hover {
    background-color: #eee;
    color: #333;
}

/* 响应式设计 */
@media (max-width: 600px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        width: 100%;
    }
    
    .footer-btn {
        width: 100%;
    }
}