/* 微扑克app下载 - 墨迹天气风格极简APP落地页 */
:root {
    --primary: #e60012;
    --primary-dark: #b3000e;
    --dark: #111111;
    --gray-bg: #f7f9fc;
    --text-main: #333333;
    --text-light: #666666;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif; background: #ffffff; color: var(--text-main); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: all 0.3s ease; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.z553d2container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 头部导航 */
.z553d2header { background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(10px); position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; border-bottom: 1px solid #eee; height: 70px; }
.z553d2header_inner { display: flex; justify-content: space-between; align-items: center; height: 100%; }
.z553d2logo { font-size: 24px; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; }
.z553d2logo span { color: var(--primary); }
.z553d2nav { display: flex; align-items: center; gap: 32px; }
.z553d2nav a { font-size: 15px; color: var(--text-light); font-weight: 500; }
.z553d2nav a:hover, .z553d2nav a.current { color: var(--primary); }
.z553d2header_download { background: var(--primary); color: #fff !important; padding: 8px 20px; border-radius: 20px; font-weight: 600; font-size: 14px; }
.z553d2header_download:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* Hero 区域 */
.z553d2hero { padding: 140px 0 80px; background: linear-gradient(135deg, #fff 0%, var(--gray-bg) 100%); overflow: hidden; }
.z553d2hero_inner { display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.z553d2hero_text { flex: 1; max-width: 500px; }
.z553d2hero_text h1 { font-size: 48px; font-weight: 800; line-height: 1.2; color: var(--dark); margin-bottom: 20px; }
.z553d2hero_text h1 em { font-style: normal; color: var(--primary); }
.z553d2hero_text p { font-size: 18px; color: var(--text-light); margin-bottom: 40px; line-height: 1.8; }
.z553d2download_btns { display: flex; gap: 16px; margin-bottom: 30px; }
.z553d2btn_primary { background: var(--primary); color: #fff; padding: 14px 32px; border-radius: 8px; font-size: 16px; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; box-shadow: 0 4px 14px rgba(230, 0, 18, 0.3); }
.z553d2btn_primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(230, 0, 18, 0.4); color: #fff; }
.z553d2btn_secondary { background: #fff; color: var(--dark); padding: 14px 32px; border-radius: 8px; font-size: 16px; font-weight: 600; border: 1px solid #ddd; display: inline-flex; align-items: center; gap: 8px; }
.z553d2btn_secondary:hover { border-color: var(--primary); color: var(--primary); }
.z553d2hero_mockup { flex: 1; display: flex; justify-content: center; position: relative; }
.z553d2hero_mockup img { width: 320px; filter: drop-shadow(0 20px 40px rgba(0,0,0,0.15)); border-radius: 30px; }

/* 数据统计 */
.z553d2stats { background: var(--dark); padding: 60px 0; }
.z553d2stats_grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; color: #fff; }
.z553d2stat_item h3 { font-size: 42px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.z553d2stat_item p { font-size: 16px; color: #aaa; }

/* 核心特色 */
.z553d2features { padding: 100px 0; background: #fff; }
.z553d2section_header { text-align: center; margin-bottom: 60px; }
.z553d2section_header h2 { font-size: 36px; font-weight: 800; color: var(--dark); margin-bottom: 16px; }
.z553d2section_header p { font-size: 18px; color: var(--text-light); }
.z553d2features_grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.z553d2feature_card { background: var(--gray-bg); padding: 40px 30px; border-radius: 16px; text-align: center; transition: all 0.3s ease; border: 1px solid transparent; }
.z553d2feature_card:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.05); border-color: #eee; background: #fff; }
.z553d2feature_card img { width: 64px; height: 64px; margin: 0 auto 24px; border-radius: 16px; }
.z553d2feature_card h3 { font-size: 20px; font-weight: 700; margin-bottom: 16px; color: var(--dark); }
.z553d2feature_card p { font-size: 15px; color: var(--text-light); line-height: 1.7; }

/* 界面展示 */
.z553d2showcase { padding: 100px 0; background: var(--gray-bg); overflow: hidden; }
.z553d2showcase_scroll { display: flex; gap: 30px; overflow-x: auto; padding: 20px 0 40px; scrollbar-width: none; }
.z553d2showcase_scroll::-webkit-scrollbar { display: none; }
.z553d2showcase_item { flex: 0 0 240px; background: #fff; border-radius: 24px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: transform 0.3s ease; }
.z553d2showcase_item:hover { transform: scale(1.05); }
.z553d2showcase_item img { width: 100%; height: 480px; object-fit: cover; }

/* 底部大下载引导 */
.z553d2cta { padding: 100px 0; background: linear-gradient(135deg, var(--dark) 0%, #2a0000 100%); text-align: center; color: #fff; }
.z553d2cta h2 { font-size: 40px; font-weight: 800; margin-bottom: 20px; }
.z553d2cta p { font-size: 18px; color: #aaa; margin-bottom: 40px; }
.z553d2cta_qr { display: flex; justify-content: center; gap: 40px; margin-top: 40px; }
.z553d2cta_qr_item { text-align: center; }
.z553d2cta_qr_item img { width: 160px; height: 160px; background: #fff; padding: 10px; border-radius: 12px; margin-bottom: 16px; }
.z553d2cta_qr_item span { font-size: 14px; color: #ccc; }

/* SEO资讯区块 */
.z553d2seo_articles { padding: 80px 0; background: #fff; }
.z553d2articles_grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; }
.z553d2article_card { background: var(--gray-bg); border-radius: 12px; overflow: hidden; transition: all 0.3s ease; }
.z553d2article_card:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
.z553d2article_card img { width: 100%; height: 200px; object-fit: cover; }
.z553d2article_card_info { padding: 24px; }
.z553d2article_card_info h3 { font-size: 18px; font-weight: 700; margin-bottom: 12px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.z553d2article_card_info p { font-size: 14px; color: var(--text-light); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.z553d2article_meta { font-size: 12px; color: #999; display: flex; justify-content: space-between; }

/* 列表页 & 文章页通用 */
.z553d2main { padding: 100px 0 60px; min-height: 70vh; }
.z553d2breadcrumb { font-size: 14px; color: #999; margin-bottom: 30px; }
.z553d2breadcrumb a { color: var(--text-light); }
.z553d2breadcrumb a:hover { color: var(--primary); }
.z553d2page_title { font-size: 32px; font-weight: 800; color: var(--dark); margin-bottom: 40px; }

/* 列表页 */
.z553d2list_grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.z553d2pagination { margin-top: 60px; display: flex; justify-content: center; gap: 10px; }
.z553d2pagination a { padding: 8px 16px; border: 1px solid #eee; border-radius: 6px; font-size: 14px; color: var(--text-light); }
.z553d2pagination a:hover, .z553d2pagination a.current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 文章页 */
.z553d2article_header { text-align: center; margin-bottom: 50px; }
.z553d2article_header h1 { font-size: 36px; font-weight: 800; color: var(--dark); margin-bottom: 20px; line-height: 1.4; }
.z553d2article_meta_detail { font-size: 14px; color: #999; display: flex; justify-content: center; gap: 20px; }
.z553d2article_body { max-width: 800px; margin: 0 auto; font-size: 16px; line-height: 2; color: #444; }
.z553d2article_body h2 { font-size: 24px; font-weight: 700; margin: 40px 0 20px; color: var(--dark); }
.z553d2article_body p { margin-bottom: 24px; text-align: justify; }
.z553d2article_body img { margin: 30px auto; border-radius: 8px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); }
.z553d2prenext { max-width: 800px; margin: 60px auto 0; padding-top: 40px; border-top: 1px solid #eee; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; font-size: 15px; }
.z553d2prenext a { color: var(--text-light); }
.z553d2prenext a:hover { color: var(--primary); }
.z553d2tags { max-width: 800px; margin: 30px auto 0; display: flex; gap: 10px; flex-wrap: wrap; }
.z553d2tags a { background: var(--gray-bg); padding: 6px 16px; border-radius: 20px; font-size: 13px; color: var(--text-light); }
.z553d2tags a:hover { background: var(--primary); color: #fff; }

/* 底部 */
.z553d2footer { background: #0a0a0a; color: #fff; padding: 80px 0 40px; }
.z553d2footer_inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.z553d2footer_about p { color: #888; font-size: 14px; line-height: 1.8; margin-top: 20px; }
.z553d2footer_links h4 { font-size: 16px; font-weight: 600; margin-bottom: 20px; color: #fff; }
.z553d2footer_links a { display: block; color: #888; font-size: 14px; margin-bottom: 12px; }
.z553d2footer_links a:hover { color: var(--primary); }
.z553d2footer_bottom { border-top: 1px solid #222; padding-top: 30px; text-align: center; font-size: 13px; color: #666; line-height: 2; }
.z553d2footer_bottom a { color: #888; margin: 0 10px; }

/* 响应式 */
@media (max-width: 992px) {
    .z553d2hero_inner { flex-direction: column; text-align: center; }
    .z553d2hero_text { max-width: 100%; }
    .z553d2download_btns { justify-content: center; }
    .z553d2features_grid { grid-template-columns: 1fr; }
    .z553d2stats_grid { grid-template-columns: repeat(2, 1fr); }
    .z553d2articles_grid, .z553d2list_grid { grid-template-columns: 1fr; }
    .z553d2footer_inner { grid-template-columns: 1fr; gap: 40px; }
    .z553d2nav { display: none; }
}