/* 基础全局样式 */
*{margin:0;padding:0;box-sizing:border-box}
/* 字体和背景 */
body{background-color:#f8fafc;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB",sans-serif;color:#1f2937;min-height:100vh;display:flex;flex-direction:column;font-size:16px}
/* 主题颜色定义 */
:root{--primary-color:#2563eb;--primary-hover-color:#1e40af;--accent-color:#059669;--border-color:#e2e8f0;--card-bg:white;--shadow-sm:0 1px 3px rgba(0,0,0,0.06);--shadow-lift:0 10px 20px rgba(0,0,0,0.07);--menu-width:250px}
/* 链接默认样式 */
a{color:var(--primary-color);text-decoration:none;transition:color 0.2s,opacity 0.2s}
a:hover{color:var(--primary-hover-color);text-decoration:none;opacity:0.85}
/* 核心布局 */
.container{display:flex;flex:1;width:100%;max-width:1500px;margin:0 auto;padding:0 30px;transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}
.main-content{flex:1;padding:40px 0;margin-left:0;transition:margin-left 0.3s cubic-bezier(0.4,0,0.2,1);min-width:0}
/* --- 菜单样式 (侧边栏) --- */
.menu-toggle{position:fixed;left:30px;top:30px;z-index:1001;width:44px;height:44px;line-height:44px;text-align:center;font-size:22px;background:var(--primary-color);color:white;border-radius:50%;box-shadow:0 4px 15px rgba(37,99,235,0.5);cursor:pointer;transition:all 0.3s ease-in-out}
.menu-toggle:hover{background:var(--primary-hover-color);box-shadow:0 6px 20px rgba(37,99,235,0.6);transform:rotate(3deg)}
.side-menu{width:var(--menu-width);background:var(--card-bg);color:#334155;position:fixed;top:0;bottom:0;left:calc(0px - var(--menu-width));z-index:999;padding-top:100px;transition:left 0.3s cubic-bezier(0.4,0,0.2,1);box-shadow:6px 0 15px rgba(0,0,0,0.05);border-right:1px solid var(--border-color)}
.side-menu.open{left:0}
.menu-list{list-style:none;padding:10px 0}
.menu-item a{display:flex;align-items:center;gap:12px;padding:14px 25px;color:#4b5563;font-size:1rem;font-weight:500;transition:background 0.2s,color 0.2s,border-left 0.2s;border-left:4px solid transparent}
.menu-item a:hover{background:#f1f5f9;color:var(--primary-color);border-left-color:var(--primary-color);text-decoration:none}
.menu-item a.active{background:#eef2ff;color:var(--primary-hover-color);font-weight:600;border-left-color:var(--primary-color)}
/* --- 通用卡片样式 (Card) --- */
.card-wrapper{display:flex;flex-direction:column;gap:30px;margin-bottom:30px}
.profile-card,.article-detail,.card-wrapper .article-list,.no-articles{background:var(--card-bg);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm),var(--shadow-lift);line-height:1.7}
/* --- 首页 Profile Card --- */
.profile-card{text-align:center;margin-bottom:1rem;overflow:hidden}
.avatar{width:100px;height:100px;border-radius:50%;margin-bottom:8px;border:4px solid var(--accent-color);box-shadow:0 0 0 8px #ecfdf5;transition:transform 0.4s cubic-bezier(0.25,0.46,0.45,0.94)}
.profile-card:hover .avatar{transform:scale(1.05) rotate(-3deg)}
.site-title{font-size:1.8rem;color:#0f172a;margin-bottom:0.2rem;font-weight:900}
/* --- 文章列表 --- */
.section-title{text-align:center;font-size:2.2rem;color:#1f2937;margin:0 0 1.5rem;font-weight:800;padding-bottom:18px;position:relative;letter-spacing:1.5px}
.section-title::after{content:'';position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:100px;height:4px;background-color:var(--accent-color);border-radius:2px}
.article-list{display:flex;flex-direction:column;padding:10px 0}
.article-item{padding:20px 30px;border-bottom:1px solid #e2e8f0;transition:all 0.2s ease-out;cursor:pointer;border-right:4px solid transparent;border-radius:0}
.article-item:last-child{border-bottom:none}
.article-item:hover{background-color:transparent;transform:translateY(-2px);box-shadow:none;border-right:4px solid var(--primary-color)}
.article-title{font-size:1.6rem;font-weight:800;color:#1f2937;display:block;margin-bottom:6px;line-height:1.3}
.article-item:hover .article-title{color:var(--primary-hover-color)}
.article-meta{font-size:0.9rem;color:#94a3b8;margin-bottom:10px;display:flex;gap:20px;flex-wrap:wrap}
.article-excerpt{color:#475569;line-height:1.7;margin-top:0;font-size:1.0rem} /* ✨ 优化：增加 line-height */
/* --- 文章详情页 --- */
.article-detail{padding:40px 60px}
.article-detail .article-header{text-align:center;margin-bottom:2.5rem;border-bottom:2px solid #eef2ff;padding-bottom:2.5rem}
.article-detail .article-title{font-size:3rem;font-weight:900;color:#0f172a;margin-bottom:1rem;line-height:1.2}
.article-detail .article-meta{font-size:0.95rem;color:#64748b;justify-content:center;gap:30px}
.article-detail .article-content{line-height:1.85;font-size:1.1rem;color:#334155;word-wrap:break-word;letter-spacing:0.2px;max-width:100%;overflow-x:hidden}
.article-detail .article-content p{margin-bottom:1.7rem}
.article-detail .article-content ul,.article-detail .article-content ol{margin:1.5rem 0 1.5rem 20px;padding-left:10px}
.article-detail .article-content li{margin-bottom:0.5rem}
.article-detail .article-content img{max-width:100%;height:auto;display:block;margin:2rem auto;border-radius:8px;box-shadow:0 4px 10px rgba(0,0,0,0.1)}
.article-detail .article-content h1,.article-detail .article-content h2,.article-detail .article-content h3,.article-detail .article-content h4{margin-top:2.5rem;margin-bottom:1rem;color:#1a202c;font-weight:800;padding-bottom:0;line-height:1.3}
.article-detail .article-content h2{font-size:2rem;color:var(--primary-color)}
.article-detail .article-content h3{font-size:1.5rem;color:#1a202c;border-left:4px solid var(--accent-color);padding-left:15px}
.article-detail .article-content h4{font-size:1.3rem;font-weight:700}
.article-detail .article-content pre{background-color:#1e293b;color:#f8fafc;padding:1.5rem;border-radius:10px;overflow-x:auto;font-size:0.9rem;line-height:1.5;margin:2.2rem 0;box-shadow:0 4px 15px rgba(0,0,0,0.15)}
.article-detail .article-content blockquote{margin:2rem 0;padding:1.2rem 2rem;background:#f0fdf4;border-left:6px solid var(--accent-color);color:#374151;font-size:1.05rem;border-radius:8px;box-shadow:0 1px 5px rgba(0,0,0,0.05)}
.back-link{display:inline-flex;align-items:center;gap:8px;margin-top:5rem;padding:14px 30px;border-radius:9999px;font-weight:700;background-color:var(--primary-color);color:white;box-shadow:0 4px 15px rgba(37,99,235,0.4);transition:all 0.2s}
.back-link:hover{background-color:var(--primary-hover-color);transform:translateY(-2px);text-decoration:none;box-shadow:0 8px 20px rgba(37,99,235,0.5)}
/* --- 按钮/Footer/Debug --- */
.view-more-container{text-align:center;margin-top:60px;margin-bottom:60px}
.view-more-btn{display:inline-block;padding:18px 50px;background:var(--primary-color);color:white;border:none;border-radius:12px;font-size:1.15rem;font-weight:700;text-decoration:none;transition:all 0.3s cubic-bezier(0.2,0.8,0.2,1);box-shadow:0 8px 25px rgba(37,99,235,0.4)}
.view-more-btn:hover{background:var(--primary-hover-color);transform:translateY(-5px) scale(1.02);box-shadow:0 18px 35px rgba(37,99,235,0.55)}
footer{width:100%;margin-top:auto;padding:15px 0;background-color:var(--card-bg);border-top:1px solid var(--border-color);text-align:center;color:#64748b;font-size:0.95rem}
.footer-info{max-width:1500px;margin:0 auto;padding:0 30px}
.websites-list{margin-top:10px;display:flex;justify-content:center;gap:30px;flex-wrap:wrap}
.websites-list a,.icp-link a{color:#64748b}
.websites-list a:hover,.icp-link a:hover{color:var(--primary-color)}
.debug-info{max-width:450px;margin:0.5rem auto 0.5rem;background-color:#ecfdf5;border:1px solid #a7f3d0;border-radius:8px;padding:0.5rem 1rem;font-size:0.85rem;color:var(--accent-color);box-shadow:inset 0 0 10px rgba(5,150,105,0.1)}
.debug-inner-flex{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}
.debug-item{white-space:nowrap}
/* --- 响应式设计 (桌面端优先，移动端适配) --- */
@media (min-width: 1025px){
    .container{padding:0}
    .menu-toggle{z-index:1001!important;display:block}
    /* 1. PC 菜单默认状态（body.pc-menu-closed）: 菜单关闭 */
    .side-menu{position:fixed;left:calc(0px - var(--menu-width))!important;top:0;bottom:0;padding-top:30px;box-shadow:none;border-right:1px solid var(--border-color);z-index:999}
    .main-content{margin-left:0!important;padding:40px 30px}
    /* 2. PC 菜单展开状态（body:not(.pc-menu-closed)）: 菜单展开 */
    body:not(.pc-menu-closed) .side-menu{left:0!important}
    body:not(.pc-menu-closed) .main-content{margin-left:var(--menu-width)!important}
    .article-item{padding:20px 30px} /* PC端文章列表 padding */
}
/* 移动端 (<= 768px) 适配 */
@media (max-width: 768px){
    .container{padding:0 15px}
    .main-content{padding:20px 0}
    .menu-toggle{left:15px;top:15px;width:40px;height:40px;line-height:40px;font-size:20px}
    .profile-card,.article-detail,.card-wrapper .article-list,.no-articles{padding:20px;border-radius:12px}
    .article-detail{padding:25px 15px}
    .site-title{font-size:1.6rem}
    .article-title{font-size:1.5rem}
    .article-detail .article-title{font-size:2.2rem}
    .article-detail .article-meta{flex-direction:column;gap:5px}
    .article-detail .article-content{font-size:1.05rem;line-height:1.7}
    .article-list{padding:10px 0}
    .article-item{padding:15px 15px} /* 移动端文章列表 padding 保持一致 */
    .article-detail .article-content h3{padding-left:10px}
    .view-more-btn{padding:14px 35px;font-size:1.05rem}
    .websites-list{gap:8px}
    .side-menu{padding-top:60px}
}