/* ============================================================
   Aurora Design System · 智航导航站前台设计系统
   参考 Linear / Vercel / Raycast 国际审美：
   大留白 · 细边框 · 柔光渐变 · 精致微交互 · 完整响应式
   品牌色/阴影由 body[data-theme] 主题文件覆盖
   ============================================================ */
:root {
  --brand:#4f46e5; --brand-2:#7c3aed; --brand-3:#06b6d4;
  --primary:#4f46e5; --primary-hover:#4338ca; --primary-soft:rgba(79,70,229,.08);
  --bg:#f5f6fa; --surface:#ffffff; --surface-2:#f0f2f8;
  --text:#0e1526; --text-2:#55637a; --text-3:#96a1b3;
  --border:rgba(14,21,38,.08); --border-strong:rgba(14,21,38,.16);
  --sidebar-bg:#0f172a;
  --glow-1:rgba(79,70,229,.16); --glow-2:rgba(124,58,237,.12); --glow-3:rgba(6,182,212,.10);
  --radius-sm:10px; --radius:14px; --radius-lg:20px;
  --shadow-sm:0 1px 2px rgba(14,21,38,.05);
  --shadow:0 8px 24px -10px rgba(14,21,38,.12),0 2px 6px rgba(14,21,38,.04);
  --shadow-lg:0 24px 60px -18px rgba(14,21,38,.22);
  --font:"Inter","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
/* ---------- Reset ---------- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;isolation:isolate;transition:background .3s ease,color .3s ease}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(620px 420px at 10% -8%,var(--glow-1),transparent 70%),radial-gradient(720px 480px at 90% 0%,var(--glow-2),transparent 70%),radial-gradient(680px 540px at 50% 108%,var(--glow-3),transparent 70%)}
a{color:var(--primary);text-decoration:none}
button{cursor:pointer;border:none;outline:none;background:none;font-family:inherit;font-size:inherit;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;outline:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
::selection{background:var(--primary-soft);color:var(--primary)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--text-3) 40%,transparent);border-radius:8px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:color-mix(in srgb,var(--text-3) 60%,transparent);background-clip:padding-box}
::-webkit-scrollbar-track{background:transparent}
/* ---------- 顶栏（毛玻璃） ---------- */
.site-header{position:sticky;top:0;z-index:60;backdrop-filter:blur(18px) saturate(1.5);-webkit-backdrop-filter:blur(18px) saturate(1.5);background:color-mix(in srgb,var(--surface) 76%,transparent);border-bottom:1px solid var(--border)}
.header-inner{max-width:1440px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:12px;font-size:18px;font-weight:800;letter-spacing:-.2px;color:var(--text)}
.logo:hover .logo-icon{transform:rotate(-6deg) scale(1.05)}
.logo-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;color:#fff;font-size:17px;font-weight:800;background:linear-gradient(135deg,var(--brand),var(--brand-2));box-shadow:0 8px 18px -8px var(--brand),inset 0 1px 0 rgba(255,255,255,.28);transition:transform .25s var(--ease)}
.logo-text{white-space:nowrap}
.site-nav{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--text-2);transition:background .18s var(--ease),color .18s}
.nav-link:hover{background:var(--surface-2);color:var(--text)}
.nav-link.active{color:var(--primary);font-weight:600;background:var(--primary-soft)}
/* 搜索胶囊 */
.search-box{flex:1;min-width:220px;max-width:560px;margin:0 auto;display:flex;align-items:center;background:var(--surface);border:1px solid var(--border-strong);border-radius:14px;padding:4px;box-shadow:var(--shadow-sm);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}
.search-box input{flex:1;min-width:0;padding:9px 14px;border:none;background:transparent;font-size:14.5px}
.search-box input::placeholder{color:var(--text-3)}
.search-box button{display:grid;place-items:center;width:42px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--brand-2));color:#fff;font-size:15px;font-weight:700;box-shadow:0 4px 12px -6px var(--brand);transition:filter .18s,transform .18s}
.search-box button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.search-box button:active{transform:scale(.96)}
/* 头部操作 */
.header-actions{display:flex;align-items:center;gap:8px}
.hbtn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:10px;border:1px solid var(--border-strong);font-size:13px;color:var(--text-2);background:var(--surface);transition:var(--ease);white-space:nowrap;box-shadow:var(--shadow-sm)}
.hbtn:hover{border-color:var(--primary);color:var(--primary)}
.hbtn-cta{background:linear-gradient(135deg,var(--primary),var(--brand-2));color:#fff;border-color:transparent}
.hbtn-cta:hover{color:#fff;filter:brightness(1.06)}
/* 主题切换 */
.theme-pick{display:inline-flex;align-items:center;gap:2px;padding:3px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px}
.tp-btn{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:11.5px;font-weight:700;color:var(--text-3);transition:var(--ease)}
.tp-btn:hover{color:var(--primary)}
.tp-btn.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm)}
/* ---------- Hero（首页） ---------- */
.hero{position:relative;overflow:hidden;text-align:center;padding:60px 24px 28px}
.hero-badge{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;color:var(--primary);background:var(--surface);border:1px solid var(--border-strong);box-shadow:var(--shadow-sm);letter-spacing:.02em}
.hero-badge::before{content:"✦";font-size:11px;opacity:.75}
.hero-title{font-size:clamp(32px,4.6vw,50px);font-weight:800;letter-spacing:-1.6px;line-height:1.12;margin:20px auto 0;max-width:860px;background:linear-gradient(120deg,var(--text) 30%,color-mix(in srgb,var(--brand) 55%,var(--text)));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:17px;line-height:1.75;color:var(--text-2);max-width:620px;margin:14px auto 0}
.hero-stats{display:flex;justify-content:center;align-items:baseline;gap:34px;margin-top:28px}
.hero-stat b{font-size:27px;font-weight:800;letter-spacing:-.5px;color:var(--text);font-variant-numeric:tabular-nums}
.hero-stat span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px;letter-spacing:.04em}
.banner-wrap{max-width:1440px;margin:20px auto 0;padding:0 24px}
/* ---------- 页面布局 ---------- */
.page-body{max-width:1440px;margin:0 auto;padding:24px;display:grid;grid-template-columns:236px 1fr;gap:24px;align-items:start}
/* 侧栏 */
.sidebar{position:sticky;top:86px;display:flex;flex-direction:column;gap:16px}
.side-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.side-card h3{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);padding:16px 18px 10px}
.side-card ul{padding:0 8px 12px}
.cat-item a{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:10px;font-size:13.5px;color:var(--text-2);transition:var(--ease);position:relative}
.cat-item a::before{content:"";width:6px;height:6px;border-radius:50%;background:color-mix(in srgb,var(--text-3) 40%,transparent);flex:none;transition:var(--ease)}
.cat-item.active a,.cat-item a:hover{color:var(--primary);background:var(--primary-soft)}
.cat-item.active a::before{background:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.side-ad{min-height:90px}
/* 主区工具条 */
.main-toolbar,.articles-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.tabs{display:flex;gap:4px;padding:4px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{padding:8px 16px;font-size:13.5px;color:var(--text-2);border-radius:9px;cursor:pointer;white-space:nowrap;font-weight:500;transition:var(--ease)}
.tab:hover{color:var(--text)}
.tab.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm);font-weight:600}
.toolbar-right{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-2)}
.switch-line{display:inline-flex;align-items:center;gap:8px;cursor:pointer;user-select:none}
.switch-line input{appearance:none;width:34px;height:20px;border-radius:999px;background:var(--border-strong);position:relative;cursor:pointer;transition:background .2s var(--ease);flex:none}
.switch-line input::after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.25);transition:transform .2s var(--ease)}
.switch-line input:checked{background:linear-gradient(135deg,var(--primary),var(--brand-2))}
.switch-line input:checked::after{transform:translateX(14px)}
.select-min{padding:8px 14px;border:1px solid var(--border-strong);border-radius:10px;font-size:13.5px;background:var(--surface);color:var(--text);cursor:pointer}
/* ---------- 站点卡片 ---------- */
.site-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(238px,1fr))}
.site-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:18px;cursor:pointer;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);animation:fadeUp .45s var(--ease) both}
.site-card::before{content:"";position:absolute;inset:0;background:radial-gradient(320px 150px at 18% -18%,color-mix(in srgb,var(--brand) 13%,transparent),transparent 70%);opacity:0;transition:opacity .3s;pointer-events:none}
.site-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand) 34%,var(--border))}
.site-card:hover::before{opacity:1}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.card-top{display:flex;align-items:center;gap:14px;position:relative}
.fic{width:48px;height:48px;flex:none;display:inline-flex;align-items:center;justify-content:center;border-radius:14px;overflow:hidden;background:var(--surface-2);border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.fic img{width:100%;height:100%;object-fit:contain;padding:7px}
.fic.fic-letter{font-size:20px;font-weight:800;color:#fff;border-color:transparent;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.card-info{min-width:0;flex:1}
.card-name{font-size:15px;font-weight:650;display:flex;align-items:center;gap:7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hot{font-size:10px;font-weight:700;color:#fff;background:linear-gradient(135deg,#f43f5e,#fb7185);padding:2px 7px;border-radius:6px;letter-spacing:.02em;flex:none}
.site-rank{font-size:10.5px;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));padding:2px 7px;border-radius:6px;flex:none}
.card-domain{font-size:12px;color:var(--text-3);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-variant-numeric:tabular-nums}
.card-desc{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:12px;border-top:1px solid var(--border);font-size:12.5px;color:var(--text-3);position:relative}
.card-clicks{display:inline-flex;align-items:center;gap:5px;font-variant-numeric:tabular-nums}
.card-clicks svg{width:14px;height:14px;opacity:.7}
.card-op{display:flex;align-items:center}
.card-op a{color:var(--text-2);font-weight:500;padding:3px 9px;border-radius:8px;transition:var(--ease)}
.card-op a:hover{color:var(--primary);background:var(--primary-soft)}
.card-op .sep{color:var(--border-strong);font-size:11px}
/* ---------- 按钮 ---------- */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:40px;padding:0 22px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--brand-2));color:#fff;font-size:14px;font-weight:600;box-shadow:0 10px 22px -10px var(--brand);transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s;white-space:nowrap}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px -10px var(--brand);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0) scale(.97)}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:40px;padding:0 18px;border-radius:12px;background:var(--surface);border:1px solid var(--border-strong);color:var(--text);font-size:14px;font-weight:500;transition:var(--ease);white-space:nowrap}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--text-3)}
.btn-ghost:active{transform:scale(.97)}
/* ---------- 站点详情页 ---------- */
.detail-main{max-width:1080px;margin:0 auto;padding:34px 24px 20px}
.detail-box{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:34px;box-shadow:var(--shadow-sm)}
.detail-head{display:flex;gap:22px;align-items:flex-start;flex-wrap:wrap}
.d-icon .fic{width:76px;height:76px;border-radius:20px;box-shadow:var(--shadow)}
.d-icon .fic img{padding:11px}
.d-info{flex:1;min-width:260px}
.d-title{font-size:26px;font-weight:800;letter-spacing:-.4px;line-height:1.3}
.d-meta{display:flex;gap:10px;font-size:13px;color:var(--text-3);flex-wrap:wrap;align-items:center;margin-top:10px}
.d-cat{background:var(--primary-soft);color:var(--primary);padding:3px 12px;border-radius:999px;font-weight:600;font-size:12.5px}
.d-domain{font-variant-numeric:tabular-nums}
.d-keywords{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.kw{font-size:12.5px;color:var(--text-2);background:var(--surface-2);border:1px solid var(--border);padding:3px 12px;border-radius:999px}
.d-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.d-desc{margin-top:22px;padding-top:22px;border-top:1px solid var(--border);color:var(--text-2);line-height:2;font-size:15px}
.related-title{font-size:18px;font-weight:750;letter-spacing:-.2px;margin:34px 0 16px;display:flex;align-items:center;gap:10px}
.related-title::before{content:"";width:4px;height:18px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
/* ---------- 资讯列表 ---------- */
.articles-main{max-width:1080px;margin:0 auto;padding:34px 24px}
.article-list{display:grid;gap:18px}
.article-item{display:flex;gap:22px;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:20px;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);overflow:hidden;animation:fadeUp .45s var(--ease) both}
.article-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand) 30%,var(--border))}
.ai-cover{width:224px;min-height:134px;border-radius:14px;background-size:cover;background-position:center;flex:none;position:relative}
.ai-body{flex:1;min-width:0;display:flex;flex-direction:column}
.ai-body h3{font-size:18px;font-weight:700;letter-spacing:-.2px;line-height:1.45;color:var(--text);transition:color .18s}
.article-item:hover .ai-body h3{color:var(--primary)}
.ai-summary{font-size:13.5px;color:var(--text-3);line-height:1.75;margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ai-meta{display:flex;gap:14px;font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:14px;align-items:center;flex-wrap:wrap}
.ai-meta span{display:inline-flex;align-items:center;gap:5px;font-variant-numeric:tabular-nums}
.ai-meta span:not(:first-child)::before{content:"·";color:var(--border-strong);margin-right:2px}
.empty{text-align:center;color:var(--text-3);padding:56px 0;font-size:14px}
/* ---------- 文章详情排印 ---------- */
.article-main{max-width:860px;margin:0 auto;padding:36px 24px 20px}
.article-box{background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:46px 50px;box-shadow:var(--shadow-sm);animation:fadeUp .45s var(--ease) both}
.a-title{font-size:30px;font-weight:800;letter-spacing:-.6px;line-height:1.35}
.a-meta{display:flex;gap:16px;font-size:13px;color:var(--text-3);flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--border);margin:18px 0 24px;align-items:center}
.a-meta span{display:inline-flex;align-items:center;gap:5px}
.a-meta span:not(:first-child)::before{content:"·";color:var(--border-strong);margin-right:2px}
.a-cover{margin-bottom:26px;border-radius:16px;overflow:hidden}
.a-cover img{width:100%;max-height:420px;object-fit:cover}
.a-content{font-size:16px;line-height:2;color:var(--text);overflow-wrap:break-word}
.a-content p{margin:0 0 1.2em}
.a-content h2{font-size:22px;font-weight:750;letter-spacing:-.3px;margin:2em 0 .8em;padding-bottom:.45em;border-bottom:1px solid var(--border)}
.a-content h3{font-size:18px;font-weight:700;margin:1.6em 0 .6em}
.a-content h4{font-size:16px;font-weight:700;margin:1.4em 0 .5em}
.a-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.a-content img{border-radius:12px;margin:1.2em auto}
.a-content blockquote{border-left:3px solid var(--brand);background:var(--surface-2);padding:14px 20px;border-radius:0 12px 12px 0;margin:1.4em 0;color:var(--text-2)}
.a-content code{background:var(--surface-2);border:1px solid var(--border);padding:2px 7px;border-radius:6px;font-size:.88em;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
.a-content pre{background:#0e1526;color:#e6e9f2;padding:18px 20px;border-radius:14px;overflow-x:auto;font-size:13.5px;line-height:1.7;margin:1.4em 0;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
.a-content pre code{background:none;border:none;padding:0;color:inherit}
.a-content ul,.a-content ol{margin:0 0 1.2em;padding-left:1.5em}
.a-content ul{list-style:disc}
.a-content ol{list-style:decimal}
.a-content li{margin:.4em 0}
.a-content table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14px}
.a-content th,.a-content td{border:1px solid var(--border);padding:9px 14px;text-align:left}
.a-content th{background:var(--surface-2);font-weight:600}
.a-keywords{margin-top:24px;padding-top:20px;border-top:1px solid var(--border);display:flex;gap:8px;flex-wrap:wrap}
.a-back{margin-top:26px;font-size:14px}
.a-back a{color:var(--text-2);transition:var(--ease)}
.a-back a:hover{color:var(--primary)}
.a-source{font-size:12.5px;color:var(--text-2);background:var(--surface-2);border:1px solid var(--border);padding:10px 14px;border-radius:10px}
/* ---------- 文章排版主题（五种，作用于 .article-box.art-layout-*） ---------- */
.article-box .a-content img{max-width:100%;height:auto;display:block}
.article-box .a-content pre.art-code{background:#0e1526;color:#e6e9f2;padding:18px 20px;border-radius:14px;overflow-x:auto;font-size:13.5px;line-height:1.7;margin:1.4em 0;font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}
.article-box .a-content p code{background:var(--surface-2);border:1px solid var(--border);padding:2px 7px;border-radius:6px}
.article-box .a-content blockquote{border-left:3px solid var(--primary);background:var(--surface-2);padding:14px 20px;border-radius:0 12px 12px 0;margin:1.4em 0;color:var(--text-2)}
.article-box .a-content h1{font-size:22px;font-weight:800;margin:2em 0 .9em;padding-bottom:.45em;border-bottom:1px solid var(--border)}

/* 1 经典标准：居中标题 + 分隔线 + 通栏正文 */
.article-box.art-layout-standard .a-title{text-align:center}
.art-layout-standard .a-meta{justify-content:center}
.art-layout-standard .a-content{font-size:16.5px;line-height:2.05}
.art-layout-standard .a-content h2{font-size:21px;font-weight:800;margin:2.1em 0 .9em;padding-bottom:.5em;border-bottom:2px solid var(--border)}
.art-layout-standard .a-content p{margin:0 0 1.1em}

/* 2 卡片错落：标题卡片化 + 正文卡片式留白 */
.art-layout-cards .a-title{font-size:27px}
.art-layout-cards .a-content{font-size:15.5px;line-height:2}
.art-layout-cards .a-content h2{font-size:18.5px;font-weight:800;margin:1.8em 0 1em;padding:12px 16px;background:var(--surface-2);border-left:4px solid var(--primary);border-radius:12px}
.art-layout-cards .a-content h3{font-size:16px;font-weight:700;margin:1.5em 0 .6em;padding-left:12px;border-left:3px solid var(--primary-soft)}
.art-layout-cards .a-content p{margin:0 0 1.15em}
.art-layout-cards .a-content blockquote{background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:12px}
.art-layout-cards .a-content img{box-shadow:var(--shadow-sm)}

/* 3 杂志大气：大标题 + 导读加粗 + 杂志式排版 */
.article-box.art-layout-magazine{padding:52px 56px}
.art-layout-magazine .a-title{font-size:33px;font-weight:900;letter-spacing:-.8px;line-height:1.3}
.art-layout-magazine .a-meta{border-bottom:2px solid var(--text);padding-bottom:22px;font-size:12.5px}
.art-layout-magazine .a-content{font-size:16.5px;line-height:2.1}
.art-layout-magazine .a-content p:first-child{font-size:18px;font-weight:600}
.art-layout-magazine .a-content h2{font-size:23px;font-weight:900;margin:2.2em 0 1em;padding-left:14px;border-left:5px solid var(--primary);line-height:1.4}
.art-layout-magazine .a-content img{border-radius:16px;box-shadow:var(--shadow-sm);margin:1.6em auto}
.art-layout-magazine .a-content blockquote{font-size:17px;font-weight:500;background:transparent}

/* 4 极简留白：小字距大行距 + 首行缩进 */
.art-layout-minimal .a-title{text-align:center;font-size:26px;font-weight:700}
.art-layout-minimal .a-meta{justify-content:center;border-bottom:none;margin:14px 0 20px;color:var(--text-3)}
.art-layout-minimal .a-content{font-size:15px;line-height:2.25}
.art-layout-minimal .a-content h2{text-align:center;font-size:19px;font-weight:700;margin:2.4em 0 1.1em;border-bottom:none}
.art-layout-minimal .a-content h3{text-align:center;font-size:16px;font-weight:600;margin:1.8em 0 .7em}
.art-layout-minimal .a-content p{margin:0 0 1.15em;text-indent:2em}
.art-layout-minimal .a-content p:first-child{text-indent:0}
.art-layout-minimal .a-content blockquote{border:none;border-top:1px solid var(--border);border-bottom:1px solid var(--border);border-radius:0;background:transparent;text-align:center;font-size:14px;padding:16px 12px}

/* 5 科技未来：渐变标题 + 深色代码块 + 荧光点缀 */
.art-layout-tech .a-title{background:linear-gradient(90deg,var(--primary),#a855f7);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.art-layout-tech .a-content{font-size:15.5px;line-height:2}
.art-layout-tech .a-content h2{font-size:19px;font-weight:800;margin:2em 0 .9em;padding-left:14px;border-left:4px solid var(--primary)}
.art-layout-tech .a-content h2::after{content:"";display:block;width:46px;height:3px;margin-top:8px;border-radius:3px;background:linear-gradient(90deg,var(--primary),#a855f7)}
.art-layout-tech .a-content a{text-decoration:none;border-bottom:1px dashed var(--primary)}
.art-layout-tech .a-content pre.art-code{background:linear-gradient(160deg,#0b1120,#1e293b);border:1px solid #334155;box-shadow:0 6px 18px rgba(2,6,23,.35)}
.art-layout-tech .a-content img{border:1px solid var(--border)}
.art-layout-tech .a-content blockquote{background:linear-gradient(90deg,var(--primary-soft),transparent);border-left:3px solid var(--primary)}
@media (max-width:640px){.article-box.art-layout-magazine{padding:26px 20px}.art-layout-magazine .a-title{font-size:25px}.art-layout-magazine .a-content p:first-child{font-size:16.5px}}
/* ---------- 过渡页 ---------- */
.transition-page{max-width:560px;margin:8vh auto;padding:0 24px;text-align:center;position:relative}
.tt-head{margin-bottom:26px}
.tt-logo{width:88px;height:88px;margin:0 auto 18px;display:flex;align-items:center;justify-content:center;border-radius:26px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow)}
.tt-logo .fic{width:76px;height:76px;font-size:34px;border-radius:22px}
#tt-text{font-size:23px;font-weight:750;letter-spacing:-.3px}
#tt-sub{font-size:13.5px;color:var(--text-3);margin-top:8px}
.tt-count{width:112px;height:112px;margin:0 auto 22px;position:relative;display:grid;place-items:center;font-size:44px;font-weight:800;color:var(--primary);border-radius:50%;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);font-variant-numeric:tabular-nums}
.tt-count::after{content:"";position:absolute;inset:-3px;border-radius:50%;background:conic-gradient(from 0deg,var(--brand),transparent 62%);-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px));mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 calc(100% - 3px));animation:spin 1.1s linear infinite;z-index:-1}
@keyframes spin{to{transform:rotate(360deg)}}
.tt-meta{margin-top:22px;font-size:13px;color:var(--text-3);display:flex;flex-direction:column;gap:10px}
#tt-url{word-break:break-all;color:var(--text-2)}
.tt-meta a{color:var(--text-2);transition:var(--ease)}
.tt-meta a:hover{color:var(--primary)}
.tt-ad{margin:24px auto;min-height:90px;background:var(--surface);border:1px dashed var(--border-strong);border-radius:var(--radius-lg);padding:14px}
/* ---------- 广告位 ---------- */
.ad-slot{padding:14px;margin:18px auto;max-width:1080px;width:calc(100% - 48px);border-radius:16px;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-sm)}
.ad-img{width:100%;border-radius:12px}
.ad-tag{font-size:11px;color:var(--text-3);padding:6px 2px 0}
.ad-click{display:block}
.ad-custom{font-size:12px;color:var(--text-3)}
.ad-custom a{display:block}
/* ---------- 引导教程 ---------- */
#guide-overlay{position:fixed;inset:0;z-index:99;pointer-events:none;--g-btn:#4f46e5}
#guide-overlay.show{pointer-events:auto;background:rgba(8,10,18,.42);backdrop-filter:blur(3px);transition:background .3s}
.guide-step{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);max-width:420px;width:calc(100% - 40px);box-sizing:border-box;overflow:hidden;background:var(--sidebar-bg);color:#fff;border-radius:var(--g-radius,18px);padding:24px 26px;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.guide-step.pos-center{top:50%;left:50%;transform:translate(-50%,-50%)}
.guide-step.pos-top{top:24px;left:50%;transform:translateX(-50%)}
.guide-step.pos-top-left{top:24px;left:24px;transform:none}
.guide-step.pos-top-right{top:24px;left:auto;right:24px;transform:none}
.guide-step.pos-left{top:50%;left:24px;transform:translateY(-50%)}
.guide-step.pos-right{top:50%;left:auto;right:24px;transform:translateY(-50%)}
.guide-step.pos-bottom-left{top:auto;bottom:24px;left:24px;transform:none}
.guide-step.pos-bottom{top:auto;bottom:24px;left:50%;transform:translateX(-50%)}
.guide-step.pos-bottom-right{top:auto;bottom:24px;left:auto;right:24px;transform:none}
.guide-badge{display:inline-block;background:linear-gradient(135deg,var(--g-btn,var(--primary)),color-mix(in srgb,var(--g-btn,var(--primary)) 55%,#fff));padding:4px 13px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.06em;margin-bottom:12px}
.guide-step p{font-size:15px;line-height:1.85;margin-bottom:16px;overflow-wrap:anywhere}
.guide-acts{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.g-prev,.g-next,.g-done,.g-skip{padding:8px 16px;border-radius:9px;font-size:13px;border:none;outline:none;cursor:pointer;color:#fff;transition:var(--ease);font-weight:500}
.g-prev{background:rgba(255,255,255,.14)}
.g-prev:hover{background:rgba(255,255,255,.24)}
.g-skip{background:rgba(255,255,255,.10);color:rgba(255,255,255,.82)}
.g-skip:hover{background:rgba(255,255,255,.22)}
.g-next,.g-done{background:var(--g-btn,var(--primary))}
.g-next:hover,.g-done:hover{background:color-mix(in srgb,var(--g-btn,var(--primary)) 82%,#000)}
.g-close{margin-left:auto;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(255,255,255,.14);color:rgba(255,255,255,.85);font-size:15px;line-height:1;cursor:pointer;transition:background .18s,color .18s}
.g-close:hover{background:rgba(255,255,255,.28);color:#fff}
.guide-ad{display:block;margin:4px 0 14px;border-radius:12px;overflow:hidden;background:rgba(255,255,255,.07)}
.guide-ad img{display:block;width:100%;max-height:180px;object-fit:cover}
.guide-ad-text{padding:10px 14px;font-size:13px;color:#fff;text-decoration:none}
.guide-ad-text:hover{background:rgba(255,255,255,.12)}
.guide-ad-html{padding:10px 12px;font-size:13px;line-height:1.7}
.guide-ad-html img{width:100%;max-height:180px;object-fit:cover;border-radius:10px}
/* ---------- SEO 目录 & 页脚 ---------- */
.seo-dir{margin:26px auto;max-width:1440px;width:calc(100% - 48px);padding:16px 20px;color:var(--text-3);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.seo-dir summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--text-2)}
.seo-dir ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:6px 18px;padding-top:10px}
.seo-dir li a{font-size:13px;color:var(--text-3)}
.seo-dir li a:hover{color:var(--primary)}
.ssr-total{font-size:13px;color:var(--text-3);margin-bottom:12px}
.ssr-total strong{color:var(--primary);font-size:16px;font-weight:800}
.ssr-cat{margin-top:14px}
.ssr-cat-title{font-size:14px;font-weight:700;color:var(--text-2);margin-bottom:8px}
.ssr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(176px,1fr));gap:6px}
.ssr-item{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);padding:6px 10px;border-radius:8px;transition:var(--ease)}
.ssr-item:hover{background:var(--surface-2);color:var(--primary)}
.ssr-fav{width:20px;height:20px;flex:none;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;background:var(--surface-2);overflow:hidden}
.ssr-fav img{width:100%;height:100%;object-fit:contain}
.site-footer{text-align:center;padding:40px 20px 50px;color:var(--text-3);font-size:13px}
.footer-copy{margin-top:8px;opacity:.8}
/* ---------- Toast ---------- */
#toast{position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);background:var(--surface);color:var(--text);border:1px solid var(--border);box-shadow:var(--shadow-lg);padding:11px 22px;border-radius:14px;border-left:3px solid var(--primary);font-size:13.5px;opacity:0;transition:.28s var(--ease);z-index:100;pointer-events:none;max-width:min(90vw,480px)}
#toast.show{opacity:1;transform:translate(-50%,0)}
#toast.err{border-left-color:#f43f5e}
/* ---------- 加载更多 ---------- */
.load-more{text-align:center;padding:24px 0 8px}
/* ---------- 响应式 ---------- */
@media(max-width:1100px){.site-grid{grid-template-columns:repeat(auto-fill,minmax(212px,1fr))}}
@media(max-width:900px){
  .page-body{grid-template-columns:1fr}
  .sidebar{position:static}
  .search-box{order:3;flex-basis:100%;max-width:none}
  .article-item{flex-direction:column}
  .ai-cover{width:100%;min-height:190px}
  .article-box{padding:26px 22px}
  .detail-box{padding:24px 20px}
  .hero{padding:44px 20px 24px}
  .header-inner{gap:12px;padding:10px 16px}
}
@media(max-width:640px){
  .site-nav{order:4;flex-basis:100%;overflow-x:auto;margin-left:0}
  .hero-stats{gap:22px}
  .hero-stat b{font-size:22px}
  .d-actions{width:100%}
  .d-actions .btn-primary,.d-actions .btn-ghost{flex:1}
  .a-title{font-size:24px}
  .article-box{padding:22px 18px}
  .detail-head{gap:16px}
}
@media(max-width:560px){
  .guide-step{max-width:none}
  .g-prev,.g-next,.g-done,.g-skip{padding:8px 12px}
  .guide-ad img,.guide-ad-html img{max-height:120px}
}
/* ---------- 右侧栏模块（资讯列表 / 网站详情 / 文章详情） ---------- */
.detail-main,.articles-main,.article-main{max-width:1200px}
.two-col{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:24px;align-items:start}
.col-main{min-width:0}
.side-rail{position:sticky;top:86px;display:flex;flex-direction:column;gap:16px}
.rail-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.rail-card h3{font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);padding:16px 18px 10px;display:flex;align-items:center;gap:8px}
.rail-card h3::before{content:"";width:4px;height:13px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
.rail-ad{min-height:80px;padding:12px}
.rail-ad .ad-img{border-radius:10px}
.rail-list{list-style:none;padding:0 10px 12px}
.rail-link{display:flex;align-items:baseline;gap:10px;padding:8px;border-radius:9px;font-size:13px;color:var(--text-2);transition:var(--ease)}
.rail-link:hover{background:var(--surface-2);color:var(--primary)}
.rail-no{font-size:11px;font-weight:700;color:var(--primary);flex:none;width:17px;height:17px;display:grid;place-items:center;border-radius:5px;background:var(--primary-soft);align-self:center}
.rail-txt{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rail-date{font-size:11px;color:var(--text-3);flex:none}
.rail-site{display:flex;align-items:center;gap:10px;padding:7px 8px;border-radius:9px;font-size:13px;color:var(--text-2);transition:var(--ease)}
.rail-site:hover{background:var(--surface-2);color:var(--primary)}
.rail-site .fic{width:26px;height:26px;border-radius:8px;box-shadow:none}
.rail-site .fic img{padding:4px}
.rail-sname{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media(max-width:960px){
  .two-col{grid-template-columns:1fr}
  .side-rail{position:static}
}
.rail-empty{font-size:12.5px;color:var(--text-3);padding:10px 8px 12px;text-align:center}
/* ---------- 弹窗（登录/注册/一键抓取） ---------- */
.modal-mask{position:fixed;inset:0;z-index:98;display:flex;align-items:center;justify-content:center;background:rgba(8,10,18,.46);backdrop-filter:blur(4px);padding:20px}
.modal-mask.hide{display:none}
.modal{width:min(560px,100%);max-height:min(86vh,720px);overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-lg);animation:modalIn .28s var(--ease)}
@keyframes modalIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px 12px}
.modal-head h3{font-size:17px;font-weight:750;letter-spacing:-.2px}
.m-close{width:30px;height:30px;flex:none;display:grid;place-items:center;border-radius:9px;font-size:19px;line-height:1;color:var(--text-3);transition:var(--ease)}
.m-close:hover{background:var(--surface-2);color:var(--text)}
.modal-body{padding:6px 22px 16px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;padding:10px 22px 20px;border-top:1px solid var(--border)}
.fld{display:flex;flex-direction:column;gap:6px;margin-top:12px}
.fld label{font-size:12.5px;font-weight:600;color:var(--text-2)}
.fld input,.fld select,.fld textarea{width:100%;padding:10px 13px;border:1px solid var(--border-strong);border-radius:11px;background:var(--surface);font-size:14px;color:var(--text);transition:border-color .18s,box-shadow .18s}
.fld input:focus,.fld select:focus,.fld textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
.fld input:disabled,.fld textarea:disabled{background:var(--surface-2);color:var(--text-3);cursor:not-allowed}
.fld textarea{resize:vertical;min-height:72px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.err-text{font-size:12.5px;color:#f43f5e}
.hint{font-size:12.5px;color:var(--text-2);background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:9px 13px;margin-top:12px}
.hint.err{color:#f43f5e;background:rgba(244,63,94,.06);border-color:rgba(244,63,94,.25)}
.hint.ok{color:#16a34a;background:rgba(22,163,74,.06);border-color:rgba(22,163,74,.25)}
/* 登录/注册切换 */
.auth-tabs{display:flex;gap:4px;padding:4px;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;margin-top:6px}
.atab{flex:1;padding:8px 0;border-radius:9px;font-size:13.5px;font-weight:600;color:var(--text-2);transition:var(--ease)}
.atab:hover{color:var(--text)}
.atab.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm)}
/* 一键抓取 */
.fetch-row{display:flex;gap:10px}
.fetch-row input{flex:1;min-width:0}
.fetch-icon-row{display:flex;align-items:center;gap:10px}
.fetch-icon-row .fic{width:36px;height:36px;flex:none;border-radius:10px}
.fetch-icon-row .fic img{padding:5px}
/* 用户区 */
.user-chip{display:inline-flex;align-items:center;padding:8px 13px;border-radius:10px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:middle}
#user-area{display:inline-flex;align-items:center;gap:8px}
@media(max-width:640px){
  .form-grid{grid-template-columns:1fr}
  .fetch-row{flex-direction:column}
  .fetch-row .btn-primary{width:100%}
  #user-area{flex-wrap:wrap}
}