/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
}

/* 容器样式 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 移动设备容器优化 */
@media (max-width: 991px) {
    .container {
        padding: 0 10px;
    }
    
    .content-grid {
        padding: 0;
    }
    
    .left-content {
        padding: 0;
    }
}

@media (max-width: 767px) {
    .container {
        padding: 0 8px;
    }
}

/* 链接样式 */
a {
    color: #007bff;
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* ICP备案号链接特殊样式 - 强制覆盖全局样式 */
a[href*="beian.miit.gov.cn"] {
    color: inherit !important;
    text-decoration: none !important;
    cursor: default !important;
}

/* 顶部导航栏 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
}

.logo {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-weight: bold;
    color: #333;
    text-decoration: none;
}

.logo:hover {
    text-decoration: none;
    color: #333;
}

.logo-icon {
    margin-right: 8px;
    border-radius: 50%;
    display: inline-block;
    object-fit: cover;
    flex-shrink: 0;
}

/* 导航菜单 */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 20px;
    align-items: center;
    transition: all 0.3s ease;
}

.nav-menu > li {
    position: relative;
}

.nav-menu > li > a {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    font-weight: 500;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.nav-menu > li > a:hover {
    background-color: #f0f2f5;
    text-decoration: none;
}

.dropdown-icon {
    font-size: 10px;
    margin-left: 4px;
    transition: transform 0.3s ease;
}

.has-submenu:hover .dropdown-icon {
    transform: rotate(180deg);
}

/* 下拉菜单 */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    padding: 8px 0;
    min-width: 180px;
    display: none;
    z-index: 999;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.has-submenu:hover .submenu {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.submenu a {
    display: block;
    padding: 8px 16px;
    color: #333;
    font-size: 13px;
    transition: all 0.3s ease;
    border-radius: 0;
}

.submenu a:hover {
    background-color: #f0f2f5;
    text-decoration: none;
    padding-left: 20px;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 8px;
    color: #333;
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    transform: scale(1.1);
}

/* 移动端菜单样式 */
@media (max-width: 991px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        flex-direction: column;
        background-color: white;
        width: 85%;
        max-width: 320px;
        height: calc(100vh - 60px);
        box-shadow: 2px 0 15px rgba(0, 0, 0, 0.15);
        padding: 20px;
        gap: 8px;
        z-index: 999;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
        animation: slideIn 0.3s ease-out;
    }
    
    @keyframes slideIn {
        from {
            left: -100%;
        }
        to {
            left: 0;
        }
    }
    
    .nav-menu > li {
        width: 100%;
    }
    
    .nav-menu > li > a {
        width: 100%;
        justify-content: space-between;
        padding: 12px 16px;
        font-size: 15px;
        border-radius: 8px;
        touch-action: manipulation;
    }
    
    .nav-menu > li > a:hover {
        background-color: #f0f2f5;
    }
    
    .mobile-menu-btn {
        display: block;
        padding: 12px;
        font-size: 28px;
        touch-action: manipulation;
    }
    
    .mobile-menu-btn:active {
        transform: scale(0.9);
        transition: transform 0.1s ease;
    }
    
    /* 移动设备下拉菜单 */
    .submenu {
        position: static;
        box-shadow: none;
        padding: 8px 0 8px 25px;
        background-color: #f8f9fa;
        border-radius: 8px;
        margin-top: 5px;
    }
    
    .submenu a {
        padding: 10px 16px;
        font-size: 14px;
        border-radius: 6px;
        touch-action: manipulation;
    }
    
    .submenu a:hover {
        background-color: rgba(0, 123, 255, 0.08);
        padding-left: 18px;
    }
    
    .has-submenu:hover .submenu {
        display: none;
    }
    
    .submenu.active {
        display: block;
        opacity: 1;
        transform: translateY(0);
        animation: fadeIn 0.2s ease-out;
    }
    
    @keyframes fadeIn {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* 小屏幕移动设备菜单优化 */
    @media (max-width: 480px) {
        .nav-menu {
            width: 90%;
            max-width: none;
            top: 55px;
            height: calc(100vh - 55px);
            padding: 15px;
            gap: 6px;
        }
        
        .nav-menu > li > a {
            padding: 10px 14px;
            font-size: 14px;
        }
        
        .mobile-menu-btn {
            font-size: 24px;
            padding: 10px;
        }
        
        .submenu {
            padding: 6px 0 6px 20px;
            margin-top: 3px;
        }
        
        .submenu a {
            padding: 8px 12px;
            font-size: 13px;
        }
    }
}

/* 轮播图区域 */
.carousel-section {
    background-color: #fff;
    padding: 20px 0;
    margin-bottom: 20px;
    position: relative;
}

.carousel {
    position: relative;
    max-width: 100%;
    height: 300px;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease;
}

.carousel:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}

.carousel-inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.carousel-item.active {
    opacity: 1;
    position: relative;
    transform: translateX(0);
}

.carousel-item.next {
    transform: translateX(100%);
}

.carousel-item.prev {
    transform: translateX(-100%);
}

.carousel-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
    padding: 30px 25px;
    color: white;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.3s ease;
}

.carousel:hover .carousel-caption {
    transform: translateY(0);
    opacity: 1;
}

.carousel-caption h3 {
    font-size: 22px;
    margin: 0;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.7);
    font-weight: 600;
    line-height: 1.4;
}

/* 轮播控制按钮 */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.9);
    color: #333;
    border: none;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 24px;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
}

.carousel:hover .carousel-control {
    opacity: 1;
    visibility: visible;
}

.carousel-control:hover {
    background-color: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    color: #007bff;
}

.carousel-control.prev {
    left: 20px;
}

.carousel-control.next {
    right: 20px;
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
    padding: 8px 16px;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.indicator:hover {
    background-color: white;
    transform: scale(1.1);
}

.indicator.active {
    background-color: #007bff;
    border-color: white;
    transform: scale(1.3);
}

/* 响应式轮播 */
@media (max-width: 767px) {
    .carousel {
        height: 250px;
    }
    
    .carousel-caption {
        padding: 20px 15px;
    }
    
    .carousel-caption h3 {
        font-size: 18px;
    }
    
    .carousel-control {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .indicator {
        width: 10px;
        height: 10px;
    }
}

/* 主内容区域 */
.main-content {
    padding: 20px 0;
    background-color: #f5f7fa;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 25px;
    align-items: start;
}

/* 确保左侧内容和右侧边栏在视觉上更加协调 */
.left-content .section:first-child {
    margin-top: 0;
}

.sidebar-section {
    margin-top: 0;
}

/* 响应式主内容网格 */
@media (max-width: 991px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

/* 左侧内容 */
.left-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section {
    background-color: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    overflow: hidden;
    border: 1px solid #e5e7eb;
    background-image: linear-gradient(135deg, rgba(0, 123, 255, 0.03) 0%, rgba(13, 110, 253, 0.03) 100%);
}

.section:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid #007bff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section-title::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 20px;
    background-color: #007bff;
    border-radius: 2px;
}

/* 优质区块链网站网格 */
.websites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

/* 响应式网站网格 */
@media (max-width: 991px) {
    .websites-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        gap: 15px;
    }
}

@media (max-width: 767px) {
    .websites-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 12px;
        margin-bottom: 15px;
    }
}

@media (max-width: 480px) {
    .websites-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

.website-item {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 10px;
    padding: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

/* 响应式网站项 */
@media (max-width: 767px) {
    .website-item {
        padding: 15px;
    }
    
    .website-icon {
        width: 60px;
        height: 60px;
        margin-bottom: 10px;
    }
    
    .website-item h4 {
        font-size: 15px;
    }
    
    .website-item p {
        font-size: 13px;
    }
}

.website-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #0056b3);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.website-item:hover::before {
    transform: scaleX(1);
}

.website-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-color: #007bff;
    background-color: white;
}

.website-item a {
    color: #333;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.website-item a:hover {
    color: #007bff;
    text-decoration: none;
}

.website-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 12px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    background-color: white;
    border: 2px solid #e9ecef;
    transition: all 0.3s ease;
}

.website-item:hover .website-icon {
    border-color: #007bff;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.exchange-icon {
    border-radius: 8px;
    display: inline-block;
    object-fit: cover;
    transition: all 0.3s ease;
}

.website-item:hover .exchange-icon {
    transform: scale(1.1);
}

.website-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.website-item:hover h4 {
    color: #007bff;
}

.website-item p {
    font-size: 14px;
    color: #666;
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.okx-icon {
    width: 24px;
    height: 24px;
    background: url('/image/2.png') no-repeat center center;
    background-size: cover;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #667eea 100%);
    padding: 50px 0 20px;
    margin-top: 50px;
    position: relative;
    color: white;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #ff6b6b, #feca57, #48dbfb, #ff9ff3, #a8edea, #fed6e3);
    background-size: 300% 100%;
    animation: gradientMove 4s ease infinite;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

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

/* 页脚主体内容 */
.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

/* 页脚区块 */
.footer-section {
    display: flex;
    flex-direction: column;
}

.footer-section:first-child {
    grid-column: span 1;
}

/* 品牌区域 */
.footer-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.footer-logo:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.brand-content {
    display: flex;
    flex-direction: column;
}

.brand-title {
    margin: 0;
    font-size: 20px;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.brand-slogan {
    margin: 5px 0 0 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
}

/* 区块标题 */
.footer .section-title {
    margin: 0 0 15px 0;
    font-size: 16px;
    font-weight: 600;
    color: white;
    position: relative;
    padding-bottom: 8px;
}

.footer .section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #48dbfb, #ff9ff3);
    border-radius: 1px;
}

/* 链接列表 */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 15px;
}

.footer-links li a::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #48dbfb;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-links li a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-links li a:hover::before {
    opacity: 1;
}

/* 社交媒体链接 */
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.social-link {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* 分隔线 */
.footer-divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    margin: 30px 0 20px;
}

/* 页脚底部 */
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    flex: 1;
}

.footer-copyright p {
    margin: 5px 0;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
}

.disclaimer {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.meta-item {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.separator {
    color: rgba(255, 255, 255, 0.4);
    font-size: 10px;
}

/* 侧边栏样式 */
.sidebar {
    width: 350px;
    padding: 24px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    margin-left: 0;
    height: 100%;
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 120px);
    display: flex;
    flex-direction: column;
    border: 1px solid #e5e7eb;
    background-image: linear-gradient(135deg, rgba(0, 123, 255, 0.03) 0%, rgba(13, 110, 253, 0.03) 100%);
    transition: all 0.3s ease;
}

/* 响应式侧边栏 */
@media (max-width: 991px) {
    .sidebar {
        width: 100%;
        margin-left: 0;
        position: static;
        max-height: none;
        padding: 24px;
        margin-top: 20px;
    }
    
    .nav-recommendations {
        max-height: none;
        overflow-y: visible;
        height: auto;
        flex: none;
    }
    
    .nav-item {
        height: auto;
    }
}

.sidebar-section {
    margin-bottom: 25px;
    background: white;
    border-radius: 8px;
    padding: 16px;
    border: 1px solid #f0f0f0;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 18px;
    padding-bottom: 8px;
    border-bottom: 2px solid #007bff;
    position: relative;
}

.nav-recommendations {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.nav-item {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    transition: all 0.3s ease;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.nav-item:hover {
    background: #f8f9ff;
    border-color: #007bff;
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.15);
    transform: translateY(-2px);
}

.nav-item a {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    text-decoration: none;
    color: #374151;
    font-size: 14px;
    line-height: 1.6;
    transition: all 0.3s ease;
    gap: 16px;
}

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

.nav-icon {
    width: 55px;
    height: 55px;
    margin-right: 0;
    object-fit: cover;
    border-radius: 6px;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    border: 2px solid #ffffff;
    transition: all 0.3s ease;
    background: #f8f9fa;
}

.nav-item:hover .nav-icon {
    border-color: #007bff;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
    transform: scale(1.05);
}

/* 优化侧边栏在H5页面的显示效果 */
@media (max-width: 767px) {
    .sidebar-section {
        margin-bottom: 20px;
    }
    
    .nav-recommendations {
        gap: 12px;
        max-height: none;
        overflow-y: visible;
        height: auto;
        flex: none;
    }
    
    .nav-item {
        height: auto;
        width: 100%;
    }
    
    .nav-item a {
        padding: 14px 14px;
        font-size: 13px;
        width: 100%;
    }
    
    .nav-icon {
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 480px) {
    .sidebar {
        padding: 16px 12px;
        margin-top: 15px;
        border-radius: 8px;
    }
    
    .sidebar-section {
        margin-bottom: 18px;
        padding: 14px;
        border-radius: 6px;
    }
    
    .nav-recommendations {
        gap: 10px;
        max-height: none;
        overflow-y: visible;
        height: auto;
        flex: none;
    }
    
    .nav-item {
        height: auto;
    }
    
    .sidebar-title {
        font-size: 16px;
        margin-bottom: 14px;
        padding-bottom: 6px;
    }
    
    .nav-item a {
        padding: 12px 12px;
        font-size: 12px;
        gap: 10px;
    }
    
    .nav-icon {
        width: 45px;
        height: 45px;
        border-radius: 4px;
    }
}

/* 隐藏的导航项目 */
.hidden-nav-item {
    display: none;
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
}

.nav-item.show {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* 更多按钮样式 */
.more-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px 20px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    outline: none;
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.25);
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.more-btn:hover {
    background: linear-gradient(135deg, #0056b3, #004085);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 123, 255, 0.35);
    text-decoration: none;
}

.more-text {
    margin-right: 8px;
}

.more-icon {
    transition: transform 0.3s ease;
}

.more-btn.expanded .more-icon {
    transform: rotate(180deg);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .sidebar {
        width: 350px;
        margin-left: 15px;
    }
    
    .nav-recommendations {
        gap: 10px;
    }
    
    .nav-item a {
        padding: 10px 14px;
        font-size: 13px;
    }
}

/* 完整的移动设备响应式优化 */
@media (max-width: 767px) {
    /* 主内容区域 */
    .main-content {
        padding: 15px 0;
    }
    
    /* 区块样式 */
    .section {
        padding: 18px;
        margin-bottom: 15px;
    }
    
    .section-title {
        font-size: 18px;
        margin-bottom: 15px;
        padding-bottom: 8px;
    }
    
    /* 容器样式 */
    .container {
        padding: 0 12px;
    }
    
    /* 左侧内容 */
    .left-content {
        gap: 15px;
    }
    
    /* 轮播图调整 */
    .carousel-section {
        padding: 15px 0;
        margin-bottom: 15px;
    }
    
    /* 侧边栏调整 */
    .sidebar-section {
        margin-bottom: 25px;
    }
    
    .sidebar-title {
        font-size: 16px;
        margin-bottom: 14px;
    }
    
    /* 导航推荐 */
    .nav-recommendations {
        gap: 10px;
    }
    
    .nav-item {
        border-radius: 6px;
    }
    
    .nav-item a {
        padding: 12px 14px;
        font-size: 13px;
    }
    
    .nav-icon {
        width: 45px;
        height: 45px;
        margin-right: 10px;
    }
    
    /* 更多按钮 */
    .more-btn {
        padding: 10px 14px;
        margin-top: 14px;
        font-size: 13px;
    }
}

/* 小屏幕手机设备优化 */
@media (max-width: 480px) {
    /* 网站图标 */
    .logo-icon {
        width: 60px;
        height: 60px;
    }
    
    .logo {
        font-size: 16px;
    }
    
    /* 区块样式 */
    .section {
        padding: 15px;
        margin-bottom: 12px;
    }
    
    .section-title {
        font-size: 16px;
        margin-bottom: 12px;
        padding-bottom: 6px;
    }
    
    /* 容器样式 */
    .container {
        padding: 0 10px;
    }
    
    /* 网站项 */
    .website-item {
        padding: 12px;
    }
    
    .website-icon {
        width: 50px;
        height: 50px;
        margin-bottom: 8px;
    }
    
    .website-item h4 {
        font-size: 14px;
    }
    
    .website-item p {
        font-size: 12px;
    }
    
    /* 轮播图 */
    .carousel {
        height: 200px;
    }
    
    .carousel-caption h3 {
        font-size: 16px;
    }
    
    /* 侧边栏 */
    .sidebar {
        padding: 12px;
    }
    
    .sidebar-title {
        font-size: 15px;
        margin-bottom: 12px;
    }
    
    /* 导航推荐 */
    .nav-item a {
        padding: 10px 12px;
        font-size: 12px;
    }
    
    .nav-icon {
        width: 40px;
        height: 40px;
        margin-right: 8px;
    }
    
    /* 更多按钮 */
    .more-btn {
        padding: 8px 12px;
        margin-top: 12px;
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-section:first-child {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 25px;
        margin-bottom: 30px;
    }
    
    .footer-section:first-child {
        grid-column: span 1;
    }
    
    .footer-brand {
        justify-content: center;
        text-align: center;
        flex-direction: column;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-meta {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .brand-title {
        font-size: 18px;
    }
    
    .section-title {
        text-align: center;
    }
    
    .section-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
}

@media (max-width: 480px) {
    .footer .container {
        padding: 0 15px;
    }
    
    .footer-main {
        gap: 20px;
    }
    
    .social-link {
        padding: 6px 12px;
        font-size: 12px;
    }
}

/* 页脚信息区域基础样式 */
.footer-info {
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    line-height: 1.6;
}

.footer-info p {
    margin: 10px 0;
}