/* 基础样式 */
:root {
    --primary-color: #ff6b81;
    --secondary-color: #5352ed;
    --accent-color: #ff9f43;
    --text-color: #333;
    --text-light: #666;
    --text-lighter: #999;
    --bg-color: #fff;
    --bg-light: #f8f9fa;
    --border-color: #eee;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    background-color: var(--bg-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

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

ul, ol {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 15px;
    color: var(--text-color);
}

.section-desc {
    font-size: 1.1rem;
    text-align: center;
    color: var(--text-light);
    margin-bottom: 50px;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: var(--radius);
    font-weight: bold;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
}

.bg-light {
    background-color: var(--bg-light);
}

/* 图标样式 */
.icon-logo {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 8px;
    position: relative;
    margin-right: 10px;
    vertical-align: middle;
}

.icon-logo:before {
    content: "";
    position: absolute;
    top: 10px;
    left: 10px;
    width: 20px;
    height: 20px;
    border-radius: 4px;
    background-color: white;
}

.icon-check, .icon-email, .icon-phone, .icon-address, .icon-android, .icon-apple {
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: 8px;
    position: relative;
    vertical-align: middle;
}

.icon-check:before {
    content: "?";
    color: var(--primary-color);
}

/* 渐变配景替换图片 */
[class*="gradient-"] {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.gradient-1 { background: linear-gradient(45deg, #ff6b81, #ff4757); }
.gradient-2 { background: linear-gradient(45deg, #ff9ff3, #f368e0); }
.gradient-3 { background: linear-gradient(45deg, #5352ed, #3742fa); }
.gradient-4 { background: linear-gradient(45deg, #1e90ff, #70a1ff); }
.gradient-5 { background: linear-gradient(45deg, #2ed573, #7bed9f); }
.gradient-6 { background: linear-gradient(45deg, #ff9f43, #feca57); }
.gradient-7 { background: linear-gradient(45deg, #ff6b6b, #ff4757); }
.gradient-8 { background: linear-gradient(45deg, #ff9ff3, #f368e0); }
.gradient-9 { background: linear-gradient(45deg, #48dbfb, #0abde3); }
.gradient-10 { background: linear-gradient(45deg, #5352ed, #3742fa); }
.gradient-11 { background: linear-gradient(45deg, #1dd1a1, #10ac84); }
.gradient-12 { background: linear-gradient(45deg, #ff9f43, #feca57); }
.gradient-13 { background: linear-gradient(45deg, #ff6b6b, #ff4757); }
.gradient-14 { background: linear-gradient(45deg, #ff9ff3, #f368e0); }
.gradient-15 { background: linear-gradient(45deg, #5352ed, #3742fa); }
.gradient-16 { background: linear-gradient(45deg, #1e90ff, #70a1ff); }
.gradient-17 { background: linear-gradient(45deg, #ff6b81, #ff4757); }
.gradient-18 { background: linear-gradient(45deg, #5352ed, #3742fa); }
.gradient-19 { background: linear-gradient(45deg, #2ed573, #7bed9f); }
.gradient-20 { background: linear-gradient(45deg, #ff9ff3, #f368e0); }
.gradient-21 { background: linear-gradient(45deg, #1e90ff, #70a1ff); }
.gradient-22 { background: linear-gradient(45deg, #ff6b81, #ff4757); }
.gradient-23 { background: linear-gradient(45deg, #5352ed, #3742fa); }
.gradient-24 { background: linear-gradient(45deg, #ff9f43, #feca57); }
.gradient-25 { background: linear-gradient(45deg, #1dd1a1, #10ac84); }
.gradient-26 { background: linear-gradient(45deg, #ff6b6b, #ff4757); }
.gradient-27 { background: linear-gradient(45deg, #ff9ff3, #f368e0); }
.gradient-28 { background: linear-gradient(45deg, #5352ed, #3742fa); }
.gradient-29 { background: linear-gradient(45deg, #1e90ff, #70a1ff); }
.gradient-30 { background: linear-gradient(45deg, #ff6b81, #ff4757); }
.gradient-31 { background: linear-gradient(45deg, #5352ed, #3742fa); }

/* 头部导航 */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow);
    z-index: 1000;
    padding: 15px 0;
}

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

.logo a {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--text-color);
}

#nav ul {
    display: flex;
}

#nav li {
    margin-left: 25px;
}

#nav a {
    color: var(--text-color);
    font-weight: 500;
}

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

/* 主横幅 */
.banner {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 150px 0 100px;
    text-align: center;
}

.banner-content {
    max-width: 800px;
    margin: 0 auto;
}

.banner h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.banner p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.banner-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* 漫画分类 */
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.category-item {
    background-color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.category-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.category-img {
    height: 180px;
}

.category-item h3 {
    padding: 15px 20px 10px;
    font-size: 1.3rem;
}

.category-item p {
    padding: 0 20px 20px;
    color: var(--text-light);
}

/* 热门推荐 */
.manga-slider {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 25px;
}

.manga-card {
    background-color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.manga-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.manga-cover {
    height: 320px;
}

.manga-info {
    padding: 15px;
}

.manga-info h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.manga-info .author, .manga-info .tags {
    color: var(--text-lighter);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.manga-info .desc {
    color: var(--text-light);
    margin-top: 10px;
    font-size: 0.95rem;
}

/* 最新更新 */
.update-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
}

.update-item {
    background-color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.update-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.update-cover {
    height: 250px;
}

.update-info {
    padding: 15px;
}

.update-info h3 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.update-info .chapter, .update-info .time {
    color: var(--text-lighter);
    font-size: 0.9rem;
}

/* 排行榜 */
.ranking-tabs {
    background-color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.tab-header {
    display: flex;
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
}

.tab-item {
    padding: 15px 25px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.tab-item.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.tab-content {
    display: none;
    padding: 20px;
}

.tab-content.active {
    display: block;
}

.ranking-item {
    display: flex;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.ranking-item:last-child {
    border-bottom: none;
}

.rank {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    width: 40px;
    text-align: center;
}

.ranking-cover {
    width: 80px;
    height: 120px;
    margin: 0 20px;
}

.ranking-info h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.ranking-info .author, .ranking-info .hot {
    color: var(--text-lighter);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

/* APP下载 */
.download-content {
    display: flex;
    align-items: center;
    background-color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.download-info {
    flex: 1;
    padding: 40px;
}

.download-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.feature-list {
    margin-bottom: 30px;
}

.feature-list li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.download-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.btn-download {
    display: flex;
    align-items: center;
    padding: 12px 25px;
    border-radius: var(--radius);
    font-weight: bold;
    color: white;
}

.android {
    background-color: #3ddc84;
}

.ios {
    background-color: #000;
}

.download-tip {
    margin-bottom: 15px;
    color: var(--text-light);
}

.qrcode {
    width: 150px;
    height: 150px;
}

.app-preview {
    flex: 1;
    height: 500px;
}

/* 文章内容 */
.article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.article-item {
    background-color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
}

.article-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.article-img {
    height: 200px;
}

.article-content {
    padding: 20px;
}

.article-content h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.article-meta {
    color: var(--text-lighter);
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.article-excerpt {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    display: inline-block;
    font-weight: 500;
    color: var(--primary-color);
}

/* 关于ca88 */
.about-content {
    display: flex;
    align-items: center;
    background-color: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.about-text {
    flex: 1;
    padding: 40px;
}

.about-text p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-data {
    display: flex;
    flex-wrap: wrap;
    margin-top: 30px;
}

.data-item {
    width: 50%;
    text-align: center;
    margin-bottom: 20px;
}

.data-num {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
}

.data-label {
    color: var(--text-light);
}

.about-img {
    flex: 1;
    height: 500px;
}

/* 页脚 */
#footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 70px 0 30px;
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-logo, .footer-nav, .footer-contact, .footer-download {
    margin-bottom: 30px;
}

.footer-logo h3 {
    margin: 10px 0 5px;
}

.footer-logo p {
    opacity: 0.7;
}

.footer-nav h4, .footer-contact h4, .footer-download h4, .footer-links h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-nav ul li, .footer-contact ul li {
    margin-bottom: 10px;
}

.footer-nav a, .footer-contact a {
    color: #ecf0f1;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-nav a:hover, .footer-contact a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.footer-qrcode {
    width: 120px;
    height: 120px;
    margin-bottom: 15px;
}

.footer-app-buttons {
    display: flex;
    gap: 10px;
}

.btn-mini {
    padding: 8px 15px;
    border-radius: var(--radius);
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 0.9rem;
}

.footer-links {
    margin-bottom: 40px;
}

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

.footer-links a {
    color: #ecf0f1;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin-bottom: 10px;
    opacity: 0.7;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #ecf0f1;
    transition: var(--transition);
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .section {
        padding: 60px 0;
    }
    
    .download-content, .about-content {
        flex-direction: column;
    }
    
    .app-preview, .about-img {
        width: 100%;
        height: 300px;
    }
}

@media (max-width: 768px) {
    #nav {
        display: none;
    }
    
    .banner {
        padding: 120px 0 80px;
    }
    
    .banner h1 {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .category-grid, .manga-slider, .update-list, .article-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
    
    .footer-content > div {
        width: 48%;
    }
}

@media (max-width: 576px) {
    .banner h1 {
        font-size: 2rem;
    }
    
    .banner-buttons {
        flex-direction: column;
        gap: 15px;
    }
    
    .category-grid, .manga-slider, .update-list, .article-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content > div {
        width: 100%;
    }
}
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