/* ====== 文小范 — 「灵感流体」 ====== */
@import url(https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap);
:root{
  --primary:#7C3AED;--primary-light:#F5F3FF;--primary-dark:#6D28D9;
  --accent:#10B981;--accent-light:#ECFDF5;
  --bg:#FAFAF9;--card:#FFFFFF;
  --title:#1C1917;--text:#57534E;--meta:#A8A29E;--border:#E7E5E4;
  --radius:16px;--radius-sm:12px;--radius-full:999px;
  --shadow:0 1px 2px rgba(0,0,0,.04);--shadow-md:0 8px 24px rgba(0,0,0,.06);--shadow-lg:0 16px 48px rgba(0,0,0,.1);
  --glass:rgba(255,255,255,.72);
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Inter","Microsoft YaHei","PingFang SC",sans-serif;font-size:15px;color:var(--text);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--title);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary)}
img{max-width:100%}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ====== 悬浮胶囊导航 ====== */
.header-bar{position:sticky;top:16px;z-index:100;margin:16px auto 0;max-width:1100px}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;border-radius:var(--radius-full);background:var(--glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);box-shadow:var(--shadow-md);border:1px solid rgba(255,255,255,.5)}
.header-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--title)}
.header-logo img{height:32px}
.header-nav{display:flex;align-items:center;gap:2px}
.header-nav a{padding:8px 16px;font-size:14px;font-weight:500;color:var(--text);border-radius:var(--radius-full);transition:all .2s}
.header-nav a:hover,.header-nav a.active{background:var(--primary-light);color:var(--primary)}
.header-search{display:flex;align-items:center;margin-left:8px}
.header-search input{width:180px;height:38px;padding:0 16px;border:1px solid transparent;border-radius:var(--radius-full) 0 0 var(--radius-full);background:rgba(0,0,0,.03);font-size:13px;outline:none;transition:all .3s}
.header-search input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,58,237,.1);width:220px}
.header-search button{height:38px;padding:0 16px;border:none;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:14px;border-radius:0 var(--radius-full) var(--radius-full) 0;cursor:pointer}
@media(max-width:768px){.header-bar{top:8px;margin:8px auto 0}.header-inner{padding:10px 16px}.header-nav{overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}.header-nav a{padding:6px 12px;font-size:13px;white-space:nowrap}.header-search input{width:100px}.header-search input:focus{width:140px}}

/* ====== Hero: 极光渐变动画搜索 ====== */
@keyframes aurora{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
.hero{background:linear-gradient(135deg,#f5f3ff,#ede9fe,#faf5ff,#f0fdf4,#ecfdf5);background-size:400% 400%;animation:aurora 12s ease infinite;padding:80px 0 70px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(124,58,237,.06) 0%,transparent 60%),radial-gradient(ellipse at 70% 30%,rgba(16,185,129,.05) 0%,transparent 60%);pointer-events:none}
.hero-inner{max-width:700px;margin:0 auto;text-align:center;position:relative;z-index:1}
.hero h1{font-size:44px;font-weight:800;color:var(--title);line-height:1.15;margin-bottom:8px;letter-spacing:-1px}
.hero h1 span{background:linear-gradient(135deg,var(--primary),#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:17px;color:var(--meta);margin-bottom:32px;font-style:italic}
.hero-search-wrap{max-width:580px;margin:0 auto}
.hero-search{display:flex;box-shadow:0 8px 32px rgba(124,58,237,.12);border-radius:var(--radius-full)}
.hero-search input{flex:1;height:58px;padding:0 28px;font-size:16px;border:2px solid transparent;border-radius:var(--radius-full) 0 0 var(--radius-full);outline:none;background:var(--card);transition:all .3s}
.hero-search input:focus{border-color:var(--primary)}
.hero-search button{height:58px;padding:0 32px;font-size:16px;font-weight:700;border:none;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-radius:0 var(--radius-full) var(--radius-full) 0;cursor:pointer;transition:all .3s;position:relative;overflow:hidden}
.hero-search button:active::after{content:'';position:absolute;inset:0;background:rgba(255,255,255,.3);animation:ripple .6s ease-out}
@keyframes ripple{0%{transform:scale(0);opacity:1}100%{transform:scale(2);opacity:0}}
.hero-tags{margin-top:20px;display:flex;justify-content:center;flex-wrap:wrap;gap:8px}
.hero-tags a{padding:6px 18px;font-size:13px;color:var(--meta);background:rgba(255,255,255,.7);border:1px solid transparent;border-radius:var(--radius-full);transition:all .2s;backdrop-filter:blur(4px)}
.hero-tags a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-1px)}
.hero-inspire{display:flex;justify-content:center;gap:16px;margin-top:28px}
.hero-inspire .inspire-card{background:rgba(255,255,255,.8);backdrop-filter:blur(8px);border-radius:var(--radius);padding:14px 20px;font-size:13px;color:var(--meta);box-shadow:var(--shadow);transform:rotate(-1deg);transition:all .3s}
.hero-inspire .inspire-card:last-child{transform:rotate(1.5deg)}
.hero-inspire .inspire-card:hover{transform:rotate(0) translateY(-2px);box-shadow:var(--shadow-md)}
.hero-inspire .inspire-card strong{color:var(--primary);font-weight:700}
@media(max-width:768px){.hero{padding:50px 0 40px}.hero h1{font-size:30px}.hero p{font-size:15px;margin-bottom:20px}.hero-search input{height:48px;font-size:14px;padding:0 18px}.hero-search button{height:48px;padding:0 20px;font-size:14px}.hero-inspire{flex-direction:column;gap:8px}}

/* ====== Bento Grid 分类 ====== */
.section-head{font-size:28px;font-weight:800;color:var(--title);text-align:center;margin:48px 0 28px}
.bento-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:repeat(3,140px);gap:16px;margin-bottom:48px}
.bento-item{background:var(--card);border-radius:var(--radius);padding:24px;transition:all .3s;cursor:pointer;border:1px solid transparent;position:relative;overflow:hidden;text-decoration:none}
.bento-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
.bento-item.large{grid-row:span 2;grid-column:span 2;background:linear-gradient(135deg,#2d1b69,#6d28d9);color:#fff}
.bento-item.large h3{font-size:28px;font-weight:800;color:#fff;margin-bottom:6px}
.bento-item.large p{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:12px}
.bento-item.large .bento-subs{display:flex;flex-wrap:wrap;gap:6px}
.bento-item.large .bento-subs span{padding:4px 14px;background:rgba(255,255,255,.15);border-radius:var(--radius-full);font-size:12px;color:rgba(255,255,255,.9)}
.bento-item.wide{grid-column:span 2;display:flex;align-items:center;justify-content:space-between;padding:24px 28px}
.bento-item.wide h3{font-size:20px;font-weight:700;color:var(--title)}
.bento-item.wide p{font-size:13px;color:var(--meta)}
.bento-item.wide .bento-icon{font-size:36px;color:var(--primary);opacity:.6}
.bento-item.small{display:flex;flex-direction:column;justify-content:center}
.bento-item.small h4{font-size:16px;font-weight:700;color:var(--title);margin-bottom:4px}
.bento-item.small p{font-size:12px;color:var(--meta)}
.bento-item.small .bento-dot{position:absolute;top:12px;right:12px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
@media(max-width:768px){.bento-grid{grid-template-columns:repeat(2,1fr);grid-template-rows:auto;gap:10px}.bento-item.large{grid-column:span 2;grid-row:span 1}.bento-item.wide{grid-column:span 2}}

/* ====== 文章列表（杂志风格，无线框） ====== */
.section-head{font-size:28px;font-weight:800;color:var(--title);text-align:center;margin:48px 0 28px}
.content-row{display:grid;grid-template-columns:1fr 320px;gap:32px;margin-bottom:48px}
@media(max-width:992px){.content-row{grid-template-columns:1fr}}
.article-list{display:flex;flex-direction:column;gap:0}
.article-row{display:grid;grid-template-columns:1fr 160px;gap:24px;padding:24px 0;border-bottom:1px solid var(--border);transition:all .3s;cursor:pointer}
.article-row:last-child{border-bottom:none}
.article-row:hover{padding-left:8px}
.article-row h3{font-size:20px;font-weight:700;color:var(--title);line-height:1.3;margin-bottom:6px;transition:color .2s}
.article-row:hover h3{color:var(--primary)}
.article-row .desc{font-size:14px;color:var(--meta);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.article-row .tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.article-row .tags .tag{font-size:12px;font-weight:600;color:var(--primary);letter-spacing:.3px}
.article-row .tags .tag::before{content:'#'}
.article-row .tags .date{font-size:12px;color:var(--meta)}
.article-row .thumb{width:160px;height:110px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg)}
.article-row .thumb img{width:100%;height:100%;object-fit:cover}
@media(max-width:768px){.article-row{grid-template-columns:1fr}.article-row .thumb{width:100%;height:160px}}

/* ====== 侧栏 ====== */
.sidebar{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.side-card h5{font-size:16px;font-weight:700;color:var(--title);margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--border)}
.rank-list li{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--border);font-size:14px}
.rank-list li:last-child{border-bottom:none}
.rank-list .rn{flex-shrink:0;width:26px;height:26px;line-height:26px;text-align:center;font-size:13px;font-weight:700;border-radius:8px;color:var(--meta);background:var(--bg)}
.rank-list .rn.top3{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff}
.rank-list a{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);font-size:13px}
.rank-list a:hover{color:var(--primary)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:6px}
.tag-cloud a{padding:4px 14px;font-size:12px;color:var(--meta);background:var(--bg);border-radius:var(--radius-full);transition:all .2s}
.tag-cloud a:hover{background:var(--primary);color:#fff}

/* ====== 页脚 ====== */
.footer{background:var(--title);color:var(--meta);padding:48px 0 24px;margin-top:48px;font-size:13px}
.footer a{color:var(--meta)}
.footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;max-width:1200px;margin:0 auto 24px;padding:0 24px}
.footer-grid h6{color:#fff;font-size:14px;font-weight:600;margin-bottom:12px}
.footer-grid ul li{margin-bottom:4px}
.footer-bottom{border-top:1px solid #374151;padding-top:16px;text-align:center;font-size:12px;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:20px}}

/* ====== 返回顶部 ====== */
#back2top{position:fixed;right:24px;bottom:100px;width:46px;height:46px;line-height:46px;text-align:center;background:var(--card);color:var(--meta);border-radius:50%;font-size:18px;box-shadow:var(--shadow-md);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .3s;border:1px solid var(--border);z-index:99}
#back2top.show{opacity:1;visibility:visible;transform:translateY(0)}
#back2top:hover{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-color:transparent}

/* ====== 动画 ====== */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.article-row:nth-child(1){animation:fadeUp .4s .1s both}
.article-row:nth-child(2){animation:fadeUp .4s .15s both}
.article-row:nth-child(3){animation:fadeUp .4s .2s both}
.article-row:nth-child(4){animation:fadeUp .4s .25s both}
.article-row:nth-child(5){animation:fadeUp .4s .3s both}

/* ====== 列表页 ====== */
.sub-nav{background:var(--card);border-radius:var(--radius);padding:16px 20px;margin-bottom:16px;box-shadow:var(--shadow)}
.sub-nav h4{font-size:15px;font-weight:700;margin-bottom:10px}
.sub-nav-links{display:flex;flex-wrap:wrap;gap:6px}
.sub-nav-links a{padding:4px 14px;font-size:13px;color:var(--text);background:var(--bg);border-radius:var(--radius-full);transition:all .2s}
.sub-nav-links a:hover{background:var(--primary);color:#fff}
.filter-bar{background:var(--card);border-radius:var(--radius);padding:12px 16px;margin-bottom:16px;box-shadow:var(--shadow);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.filter-bar span{font-size:13px;color:var(--meta)}
.filter-bar a{padding:3px 14px;font-size:13px;color:var(--text);border:1px solid var(--border);border-radius:var(--radius-full);transition:all .2s}
.filter-bar a:hover,.filter-bar a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.list-card{display:flex;gap:20px;background:var(--card);border-radius:var(--radius);padding:20px;margin-bottom:14px;box-shadow:var(--shadow);transition:all .3s}
.list-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.list-card-img{flex-shrink:0;width:220px;height:150px;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg)}
.list-card-img img{width:100%;height:100%;object-fit:cover}
.list-card-body h3{font-size:18px;font-weight:600;color:var(--title);margin-bottom:8px}
.list-card-body p{font-size:14px;color:var(--meta);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}
.list-card-meta{display:flex;gap:12px;font-size:12px;color:var(--meta);flex-wrap:wrap}
.list-card-meta .cattag{font-weight:600;color:var(--primary)}
@media(max-width:768px){.list-card{flex-direction:column}.list-card-img{width:100%;height:180px}}

/* ====== 文章 ====== */
.article-body{max-width:780px;margin:0 auto;padding:20px 0}
.article-body h1{font-size:32px;font-weight:800;color:var(--title);line-height:1.3;margin-bottom:12px;text-align:center}
.article-meta{display:flex;justify-content:center;gap:16px;font-size:13px;color:var(--meta);margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.article-content{font-size:17px;line-height:1.9;color:var(--title);max-width:700px;margin:0 auto}
.article-content p{text-indent:2em;margin-bottom:1.5em}
.article-content img{border-radius:var(--radius-sm);margin:20px auto;display:block;max-width:100%}
.article-toolbar{display:flex;justify-content:center;gap:8px;margin:24px 0}
.article-toolbar button{padding:8px 20px;font-size:14px;border:none;color:#fff;border-radius:var(--radius-full);cursor:pointer;transition:all .2s;background:var(--primary)}
.article-toolbar button:hover{transform:translateY(-1px)}
.article-toolbar .btn-dl{background:var(--accent)}
.article-toolbar .btn-copy{background:#6366f1}
/* ====== 相关文章 ====== */
.related{margin-top:40px}
.related h3{font-size:20px;font-weight:700;color:var(--title);margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.related-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:all .3s;cursor:pointer}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
.related-card h4{font-size:15px;font-weight:700;color:var(--title);line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.related-card p{font-size:13px;color:var(--meta);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
@media(max-width:992px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:576px){.related-grid{grid-template-columns:1fr}}

/* ====== 分页 ====== */
.pagination{display:flex;justify-content:center;gap:4px;margin:24px 0}
.pagination a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;color:var(--text);transition:all .2s}
.pagination a:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}
.pagination a.active{background:var(--primary);color:#fff;border-color:var(--primary)}