/* ============================================================
   SR-Admin CMS 前台主题 · 现代科技商务
   深空蓝 #0a1220 / 蓝青渐变 #2563eb→#06b6d4 / 玻璃拟态
   ============================================================ */
:root{
  --bg:#f6f8fd;
  --card:#ffffff;
  --ink:#18233a;
  --muted:#64748b;
  --blue-900:#0d1b33;
  --blue-700:#1d4ed8;
  --blue-600:#2563eb;
  --cyan:#06b6d4;
  --line:#e6ecf6;
  --radius:14px;
  --container:1200px;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  --grad:linear-gradient(90deg,#2563eb,#06b6d4);
  --shadow-card:0 4px 18px rgba(13,35,70,.06);
  --shadow-hover:0 16px 38px rgba(13,35,70,.14);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);font-size:14px;line-height:1.75;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;min-height:100vh;}
a{color:var(--blue-700);text-decoration:none;transition:color .2s,background .2s,border-color .2s,box-shadow .2s,transform .2s;}
a:hover{color:var(--blue-600);}
img{max-width:100%;display:block;}
ul,ol{list-style:none;}
.wrap{max-width:var(--container);margin:0 auto;padding:20px;flex:1 0 auto;width:100%;}
.empty-tip{padding:40px 0;text-align:center;color:var(--muted);font-size:14px;}

/* ============================================================
   窗口 / 全局滚动条美化（极简 · 主题淡蓝半透明）
   webkit 部分作用于窗口滚动条与页面内滚动容器；Firefox 走 scrollbar-*
   ============================================================ */
*{scrollbar-width:thin;scrollbar-color:#9db4e2 transparent;}
*::-webkit-scrollbar{width:9px;height:9px;}
*::-webkit-scrollbar-track,
*::-webkit-scrollbar-corner{background:transparent;}
*::-webkit-scrollbar-thumb{background:rgba(37,99,235,.22);border-radius:99px;}
*::-webkit-scrollbar-thumb:hover{background:rgba(37,99,235,.45);}
*::-webkit-scrollbar-thumb:active{background:rgba(29,78,216,.6);}

/* 页面加载动画（轻盈） */
@keyframes fadeUp{from{opacity:0;transform:translateY(16px);}to{opacity:1;transform:none;}}
.fade-up{animation:fadeUp .55s cubic-bezier(.22,.8,.36,1) both;}
.fade-up-1{animation-delay:.06s;}
.fade-up-2{animation-delay:.12s;}
.fade-up-3{animation-delay:.18s;}
.fade-up-4{animation-delay:.24s;}

/* 小标（标题上方说明） */
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--blue-600);margin-bottom:14px;text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad);}

/* ---------- 顶部发光渐变细条 ---------- */
.top-strip{height:3px;background:linear-gradient(90deg,#1d4ed8,#06b6d4);box-shadow:0 1px 5px rgba(37,99,235,.18);flex-shrink:0;position:relative;z-index:95;}

/* ============================================================
   门户头
   第一行：白色纯色横幅（Logo | 站内搜索 | 用户区）
   第二行：深蓝科技通栏导航（独立节点，整页滚动全程吸顶）
   ============================================================ */
/* 刻意不设 z-index / 不建立层叠上下文：
   导航条(900)及其"骑缝"角标可盖过本页头的白色背景；页头内弹层 .cu-menu(1000) 仍浮在导航条之上 */
.site-header{position:relative;background:#ffffff;flex-shrink:0;box-shadow:none;}

/* ---- 第一行 ---- */
.header-inner{max-width:var(--container);margin:0 auto;width:100%;position:relative;display:flex;align-items:center;flex-wrap:wrap;gap:8px 18px;padding:15px 20px 14px;}
.logo{display:flex;align-items:center;gap:12px;flex:none;}
.logo img{height:36px;width:auto;object-fit:contain;}
.logo-name{font-size:21px;font-weight:800;letter-spacing:.5px;background:linear-gradient(90deg,#0b2b6b 8%,#1d4ed8 92%);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* 站内搜索（占满 Logo 与用户区之间的剩余空间并居中，白底浅框） */
.header-search{flex:1 1 0;display:flex;justify-content:center;min-width:210px;}
.header-search-form{position:relative;display:flex;align-items:center;width:min(540px,100%);}
.header-search-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:#9db0c8;pointer-events:none;transition:color .2s;}
.header-search-form:focus-within .header-search-icon{color:#2563eb;}
.header-search-input{width:100%;height:40px;border-radius:20px;border:1.5px solid #dfe7f3;background:#f7faff;padding:0 78px 0 40px;font-size:14px;color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s,background .2s;appearance:none;-webkit-appearance:none;}
.header-search-input::-webkit-search-cancel-button{display:none;}
.header-search-input::placeholder{color:#a4b4cc;}
.header-search-form:focus-within .header-search-input{border-color:#93b8f5;background:#ffffff;box-shadow:0 0 0 4px rgba(37,99,235,.12);}
.header-search-btn{position:absolute;right:4px;top:50%;transform:translateY(-50%);height:32px;padding:0 16px;border:none;border-radius:16px;background:linear-gradient(90deg,#2563eb,#06b6d4);color:#fff;font-size:13px;font-weight:600;cursor:pointer;box-shadow:0 3px 12px rgba(6,182,212,.35);transition:filter .2s,transform .15s;}
.header-search-btn:hover{filter:brightness(1.12);}
.header-search-btn:active{transform:translateY(-50%) scale(.96);}

/* ---- 用户区（白底深字触发钮；登录后收纳为下拉菜单） ---- */
.cms-user{flex:none;}
.cms-user-dd{position:relative;}
.cu-trigger{display:flex;align-items:center;gap:9px;padding:5px 12px 5px 6px;border:1px solid transparent;border-radius:24px;background:transparent;color:#22304e;font:inherit;line-height:1;cursor:pointer;transition:background .2s,border-color .2s;}
.cu-trigger:hover{border-color:#d9e4f3;background:#f2f7ff;}
.cu-avatar{width:32px;height:32px;border-radius:50%;flex:none;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#2563eb,#22d3ee);color:#fff;box-shadow:0 0 0 2px rgba(37,99,235,.12),0 4px 10px rgba(56,189,248,.25);}
.cu-avatar svg{width:16px;height:16px;}
.cu-avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%;}
.cu-name{display:inline-flex;align-items:center;gap:5px;font-weight:600;font-size:14px;max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.cu-caret{width:0;height:0;border:5px solid transparent;border-top-color:rgba(34,48,78,.7);margin-top:3px;transition:transform .2s;}
.cms-user-dd.open .cu-caret{transform:rotate(180deg);}
.cu-menu{position:absolute;top:calc(100% + 10px);right:0;width:234px;background:#fff;border:1px solid #e8eef9;border-radius:14px;box-shadow:0 24px 50px rgba(3,10,28,.3);padding:8px;display:none;z-index:1000;}
.cms-user-dd:hover .cu-menu,.cms-user-dd.open .cu-menu{display:block;animation:fadeUp .2s ease both;}
.cu-head{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:4px 2px 10px;margin-bottom:8px;border-bottom:1px dashed #e6ecf6;}
.cu-bal{background:#f5f8ff;border:1px solid #edf2fb;border-radius:10px;padding:7px 8px;text-align:center;}
.cu-bal span{display:block;color:#8a96ab;font-size:12px;margin-bottom:2px;}
.cu-bal b{color:var(--blue-700);font-size:15px;font-weight:700;}
.cu-link{display:flex;align-items:center;justify-content:space-between;width:100%;padding:9px 10px;border-radius:9px;background:none;border:none;color:#3c4a63;font-size:14px;font-family:inherit;text-align:left;cursor:pointer;transition:background .2s,color .2s;}
.cu-link:hover{background:linear-gradient(90deg,#eef4ff,#e8f9fc);color:var(--blue-700);}
.cu-logout{color:#b3554b;}
.cu-logout:hover{background:#fdf0ee;color:#d6453d;}

/* 未登录 · 登录/注册（白底深蓝描边；hover 转主题蓝渐变实心） */
.site-header .cms-user-btn{border:1.5px solid #d5e1f2;background:#ffffff;color:#1d4ed8;border-radius:999px;padding:8px 22px;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;box-shadow:0 2px 8px rgba(13,35,70,.04);transition:background .15s,border-color .15s,color .15s,box-shadow .2s,transform .15s;}
.site-header .cms-user-btn:hover{background:linear-gradient(90deg,#2563eb,#06b6d4);border-color:transparent;color:#ffffff;box-shadow:0 6px 16px rgba(37,99,235,.3);transform:translateY(-1px);}
.site-header .cms-user-btn:active{transform:translateY(0) scale(.98);}

/* ---- 第二行：通栏主导航（整页吸顶置顶，深蓝科技实色，滚动时色彩稳定不脏）
   注意：.header-navbar 是 .site-header 的兄弟节点而非子节点，否则 sticky 受父元素高度约束，
   滚动超过页头后导航即离开视口；z-index:900 使其浮层(.dropdown)始终盖住正文。 ---- */
.header-navbar{position:sticky;top:0;z-index:900;flex-shrink:0;background:linear-gradient(90deg,#0a1733 0%,#0d2a66 55%,#0e3d8f 100%);box-shadow:0 8px 22px rgba(4,10,28,.22);}
.header-navwrap{max-width:var(--container);margin:0 auto;width:100%;padding:0 20px;display:flex;align-items:center;position:relative;}

/* 顶栏内容块（blocks.header，紧邻主导航之后）：与主导航 .main-nav 同宽居中 */
.header-navbar + .cms-blocks{
  max-width:var(--container);
  width:100%;
  margin:12px auto 20px;
  padding:0 20px;
}
.nav-toggle{display:none;}
.main-nav{display:flex;align-items:stretch;flex:1;}
.main-nav>li{position:relative;}
/* 导航末项栏目推至行右侧（右对齐），下拉面板右缘对齐避免超出容器 */
.main-nav>li:last-child{margin-left:auto;}
.main-nav>li:last-child>.dropdown{left:auto;right:0;}
.main-nav>li>a{position:relative;display:flex;align-items:center;height:46px;padding:0 25px;color:rgba(255,255,255,.9);font-size:15px;font-weight:600;letter-spacing:.4px;white-space:nowrap;transition:background .25s,color .25s;}
.main-nav>li>a:hover{color:#fff;}
.main-nav>li::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:linear-gradient(90deg,#38bdf8,#22d3ee);box-shadow:0 0 12px rgba(56,189,248,.9);opacity:0;transform:scaleX(.35);transition:opacity .22s,transform .28s;}
.main-nav>li:hover::after,.main-nav>li.active::after{opacity:1;transform:scaleX(1);}
.main-nav>li:hover>a,.main-nav>li.active>a{color:#fff;background:rgba(255,255,255,.1);}
.main-nav .has-sub>a::after{content:"";display:inline-block;width:7px;height:7px;margin-left:7px;border-right:2px solid rgba(255,255,255,.75);border-bottom:2px solid rgba(255,255,255,.75);transform:rotate(45deg) translateY(-3px);transition:transform .25s,border-color .25s;}
.main-nav .has-sub:hover>a::after{border-color:#7dd3fc;transform:rotate(225deg) translate(-2px,-2px);}
.dropdown{position:absolute;top:100%;left:0;min-width:188px;background:#fff;border:1px solid #e8eef9;border-top:none;border-radius:0 0 12px 12px;box-shadow:0 22px 48px rgba(3,10,28,.22);padding:8px;display:none;z-index:200;}
.main-nav>li.open>.dropdown,.main-nav>li:focus-within>.dropdown{display:block;animation:fadeUp .18s ease both;}
.dropdown a{position:relative;display:block;padding:10px 16px;color:#3c4a63;font-size:14px;border-radius:9px;transition:background .2s,color .2s,padding-left .2s;}
.dropdown a:hover{background:linear-gradient(90deg,#eef4ff,#e8f9fc);color:var(--blue-700);padding-left:24px;}

/* ---------- 导航角标（栏目导航 badge，显示在导航项右上角） ---------- */
.nav-badge{position:absolute;top:3px;right:2px;max-width:72px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-style:normal;line-height:1;padding:3px 5px;font-size:10px;font-weight:700;color:#fff;background:linear-gradient(135deg,#ff5f6d,#ff2d55);border-radius:9px;box-shadow:0 2px 6px rgba(255,45,85,.45);pointer-events:none;z-index:5;transform-origin:100% 0;animation:badgePop 5s cubic-bezier(.175,.885,.32,1.275) infinite both;}
.dropdown .nav-badge{top:2px;right:6px;padding:2px 5px;animation:none;}
/* 顶级导航角标：整颗气泡上浮超出导航条上沿，左下角带小尾巴（指向导航项），从右缘放大弹出 */
.main-nav>li>a .nav-badge{top:-7px;right:5px;overflow:visible;border-radius:8px 8px 8px 7px;transform-origin:100% 50%;}
.main-nav>li>a .nav-badge::after{content:"";position:absolute;left:6px;bottom:-5px;width:0;height:0;border:5px solid transparent;border-top:6px solid #ff4457;border-bottom:0;}

/* 气泡弹出动画（循环播放）：每 5s 一轮，角标像气泡一样从右上角缩放弹出、回弹，前 0.8s 弹入、其余时间静止等待下一轮 */
@keyframes badgePop{0%{transform:scale(0) rotate(-14deg);opacity:0;}8%{transform:scale(1.4) rotate(6deg);opacity:1;}16%,100%{transform:scale(1) rotate(0);opacity:1;}}
.main-nav>li:nth-child(2) .nav-badge{animation-delay:.08s;}
.main-nav>li:nth-child(3) .nav-badge{animation-delay:.16s;}
.main-nav>li:nth-child(4) .nav-badge{animation-delay:.24s;}
.main-nav>li:nth-child(5) .nav-badge{animation-delay:.32s;}
.main-nav>li:nth-child(6) .nav-badge{animation-delay:.4s;}
.main-nav>li:nth-child(7) .nav-badge{animation-delay:.48s;}
.main-nav>li:nth-child(8) .nav-badge{animation-delay:.56s;}
.main-nav>li:nth-child(n+9) .nav-badge{animation-delay:.64s;}
/* 下拉展开时二级角标随下拉一起循环气泡弹出 */
.main-nav>li.open>.dropdown .nav-badge,
.main-nav>li:focus-within>.dropdown .nav-badge{animation:badgePop 5s cubic-bezier(.175,.885,.32,1.275) infinite both;}
.main-nav>li.open>.dropdown a:nth-of-type(2) .nav-badge,
.main-nav>li:focus-within>.dropdown a:nth-of-type(2) .nav-badge{animation-delay:.12s;}
.main-nav>li.open>.dropdown a:nth-of-type(3) .nav-badge,
.main-nav>li:focus-within>.dropdown a:nth-of-type(3) .nav-badge{animation-delay:.2s;}
.main-nav>li.open>.dropdown a:nth-of-type(4) .nav-badge,
.main-nav>li:focus-within>.dropdown a:nth-of-type(4) .nav-badge{animation-delay:.28s;}
.main-nav>li.open>.dropdown a:nth-of-type(n+5) .nav-badge,
.main-nav>li:focus-within>.dropdown a:nth-of-type(n+5) .nav-badge{animation-delay:.36s;}
@media (prefers-reduced-motion:reduce){.nav-badge,.main-nav>li.open>.dropdown .nav-badge,.main-nav>li:focus-within>.dropdown .nav-badge{animation:none;}}

/* ---------- 面包屑 ---------- */
.crumbs{padding:16px 0 2px;color:var(--muted);font-size:13px;display:flex;flex-wrap:wrap;align-items:center;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--blue-600);}
.crumbs .sep{margin:0 8px;color:#c2cbd9;}
.crumbs .cur{color:var(--ink);font-weight:600;}

/* ---------- 首页 Hero（科技渐变横幅） ---------- */
.hero{position:relative;overflow:hidden;border-radius:18px;margin:24px 0 32px;color:#fff;background:radial-gradient(900px 420px at 82% -12%,rgba(46,104,255,.38),transparent 62%),radial-gradient(680px 360px at 6% 115%,rgba(6,182,212,.28),transparent 62%),linear-gradient(135deg,#0a1220 0%,#0d1f3c 55%,#0e2a4d 100%);box-shadow:0 26px 64px rgba(13,35,70,.26);}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;pointer-events:none;}
.hero::after{content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(56,132,255,.5),transparent 66%);filter:blur(8px);pointer-events:none;}
.hero .inner{position:relative;z-index:1;padding:62px 56px 66px;}
.hero .hero-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 18px;border-radius:999px;border:1px solid rgba(129,190,255,.35);background:rgba(56,132,255,.14);color:#bcd8ff;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:22px;backdrop-filter:blur(6px);}
.hero .hero-badge i{width:7px;height:7px;border-radius:50%;background:#22e584;box-shadow:0 0 10px #22e584;animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.75);}}
.hero h1{font-size:40px;font-weight:800;line-height:1.3;letter-spacing:1px;margin-bottom:16px;background:linear-gradient(90deg,#ffffff 25%,#a8c9ff 65%,#7dd3fc);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero h1 em{font-style:normal;color:#67e8f9;-webkit-text-fill-color:#67e8f9;}
.hero p{font-size:15px;color:#b7c9e4;max-width:660px;line-height:1.95;}

/* ---------- 广告位 ---------- */
.ad-banner{margin-bottom:30px;border:1px solid #e6ecf6;background:var(--card);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-card);}
.ad-banner a{display:block;}
.ad-banner img{width:100%;object-fit:cover;}
.ad-side{padding:6px 0;}
.ad-side a{display:block;padding:11px 16px;font-size:14px;color:var(--ink);border-bottom:1px solid #eef2f9;transition:padding-left .2s,background .2s,color .2s;}
.ad-side a:last-child{border-bottom:none;}
.ad-side a:hover{background:#f3f8ff;color:var(--blue-600);padding-left:22px;}

/* ---------- 双栏布局 ---------- */
.page-main{display:flex;gap:30px;padding:16px 0 56px;align-items:flex-start;}
.page-content{flex:1;min-width:0;}
.sidebar{width:300px;flex:none;}

/* ---------- 列表区块 ---------- */
.list-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;padding:0 0 16px;border-bottom:1px solid var(--line);}
.list-head h2{font-size:23px;font-weight:800;line-height:1.3;color:var(--blue-900);position:relative;padding-left:17px;letter-spacing:.5px;}
.list-head h2::before{content:"";position:absolute;left:0;top:.14em;bottom:.14em;width:5px;border-radius:3px;background:var(--grad);box-shadow:0 0 12px rgba(37,99,235,.5);}
.list-head .en{font-size:12px;letter-spacing:2px;color:#9fb0c8;text-transform:uppercase;font-weight:600;}
.article-item{display:flex;gap:24px;padding:22px;border-radius:14px;background:var(--card);border:1px solid #edf1f8;box-shadow:var(--shadow-card);margin-bottom:16px;position:relative;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;}
.article-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);opacity:0;transition:opacity .3s;}
.article-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#d9e6fb;}
.article-item:hover::before{opacity:1;}
.article-cover{width:180px;flex:none;overflow:hidden;border-radius:10px;}
.article-cover img{width:180px;height:112px;object-fit:cover;background:#eef2f9;transition:transform .5s ease;}
.article-item:hover .article-cover img{transform:scale(1.05);}
.article-main{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;}
.article-index{display:none;}
.article-title{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:8px;}
.article-title a{color:var(--ink);transition:color .2s;}
.article-title a:hover{color:var(--blue-600);}
.article-title .top-flag{display:inline-block;font-size:12px;font-weight:600;color:#fff;background:var(--blue-600);padding:2px 9px;margin-right:8px;vertical-align:2px;letter-spacing:1px;border-radius:999px;}
.article-summary{font-size:13.5px;color:var(--muted);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.article-meta{font-size:12.5px;color:#8a99b1;display:flex;gap:20px;flex-wrap:wrap;}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta span::before{content:"·";color:var(--cyan);font-weight:700;font-size:15px;line-height:1;}
.article-meta .meta-like,.article-meta .meta-fav{cursor:default;}
.article-meta .meta-like::before,.article-meta .meta-fav::before{content:none;}
.article-meta .meta-like svg,.article-meta .meta-fav svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;}
.article-meta .meta-like b,.article-meta .meta-fav b{font-weight:700;font-variant-numeric:tabular-nums;}
.article-meta .meta-like.on{color:#e8583a;}
.article-meta .meta-like.on svg{fill:#e8583a;stroke:#e8583a;}
.article-meta .meta-fav.on{color:#e89c14;}
.article-meta .meta-fav.on svg{fill:#e89c14;stroke:#e89c14;}

/* ---------- 分页 ---------- */
.pager{display:flex;justify-content:center;gap:8px;margin-top:34px;flex-wrap:wrap;}
.pager a,.pager .current{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 12px;border:1px solid #dfe7f4;border-radius:10px;font-size:14px;color:var(--ink);background:var(--card);transition:background .2s,color .2s,border-color .2s;}
.pager a:hover{border-color:var(--blue-600);color:var(--blue-700);background:#f0f6ff;}
.pager .current{background:var(--blue-600);border:none;color:#fff;font-weight:700;}

/* ---------- 侧栏组件 ---------- */
.side-card{background:var(--card);border:1px solid #edf1f8;border-radius:14px;margin-bottom:22px;box-shadow:var(--shadow-card);overflow:hidden;}
.side-card-title{font-size:16px;font-weight:700;padding:15px 18px;border-bottom:1px solid #eef2f9;display:flex;align-items:center;gap:10px;color:var(--blue-900);}
.side-card-title::before{content:"";width:5px;height:17px;border-radius:3px;background:var(--grad);box-shadow:0 0 10px rgba(37,99,235,.4);}
.side-card-body{padding:6px 0;}
.side-link{display:flex;justify-content:space-between;align-items:center;padding:11px 18px;color:#3c4a63;font-size:14px;border-bottom:1px solid #f0f4fb;transition:padding-left .2s,background .2s,color .2s;}
.side-link:last-child{border-bottom:none;}
.side-link:hover{background:#f3f8ff;color:var(--blue-600);padding-left:24px;}
.side-link .time{color:#8a99b1;font-size:12px;flex:none;margin-left:12px;}

/* ---------- 封面频道页 ---------- */
.cover-desc{background:var(--card);border:1px solid #edf1f8;border-left:4px solid var(--blue-600);border-radius:12px;padding:14px 20px;margin-bottom:22px;font-size:14px;color:var(--muted);line-height:1.9;box-shadow:var(--shadow-card);}
.sub-cats{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.sub-cat{font-size:13px;border:1px solid #d8e0ee;border-radius:999px;padding:7px 19px;color:var(--muted);background:var(--card);letter-spacing:.5px;transition:all .25s;}
.sub-cat:hover{border-color:var(--blue-600);color:var(--blue-700);background:#eef4ff;box-shadow:0 5px 14px rgba(37,99,235,.14);}

/* ---------- 详情页 ---------- */
/* 不设 max-width：与 .wrap 同元素，宽度跟随 --container（桌面 1200，宽屏档位放大） */
.detail-page{padding-bottom:48px;}
.detail-header{padding:20px 0 22px;border-bottom:1px solid var(--line);margin-bottom:28px;position:relative;}
.detail-header::after{content:"";position:absolute;left:0;bottom:-1px;width:96px;height:3px;border-radius:3px;background:var(--grad);box-shadow:0 0 12px rgba(37,99,235,.5);}
.detail-title{font-size:31px;font-weight:800;line-height:1.4;margin-bottom:14px;color:var(--blue-900);}
.detail-meta{display:flex;flex-wrap:wrap;gap:20px;font-size:12.5px;color:#8a99b1;letter-spacing:.3px;}
.detail-meta span{display:inline-flex;align-items:center;gap:8px;}
.detail-meta span::before{content:"—";color:var(--cyan);}
.detail-meta a{color:#8a99b1;}
.detail-meta a:hover{color:var(--blue-600);}
.article-body{font-size:16px;line-height:2;color:#333a48;word-wrap:break-word;background:var(--card);padding:30px 32px;border:1px solid #edf1f8;border-radius:16px;box-shadow:var(--shadow-card);}
.article-body h1,.article-body h2,.article-body h3,.article-body h4,.article-body h5{margin:26px 0 12px;color:var(--ink);line-height:1.5;font-weight:700;}
.article-body h2{font-size:23px;padding-bottom:8px;border-bottom:1px solid var(--line);}
.article-body h3{font-size:19px;position:relative;padding-left:15px;}
.article-body h3::before{content:"";position:absolute;left:0;top:.38em;width:5px;height:1.15em;border-radius:3px;background:var(--grad);}
.article-body h4{font-size:17px;}
.article-body p{margin:0 0 18px;}
.article-body img{border-radius:12px;margin:12px auto;box-shadow:0 10px 30px rgba(13,35,70,.12);}
.article-body blockquote{margin:0 0 20px;padding:14px 20px;background:#f4f8ff;border-left:4px solid var(--blue-600);border-radius:0 10px 10px 0;color:var(--muted);}
.article-body code{background:#eef4ff;border-radius:6px;padding:2px 8px;font-size:14px;color:#1d4ed8;font-family:Consolas,Menlo,monospace;}
.article-body pre{background:#0d1b33;color:#dbe7fb;padding:18px 22px;border-radius:12px;overflow-x:auto;margin-bottom:20px;}
.article-body pre code{background:none;padding:0;color:inherit;}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid #dfe7f4;border-radius:12px;overflow:hidden;margin-bottom:20px;font-size:14px;}
.article-body th,.article-body td{border-bottom:1px solid #e6ecf6;padding:10px 14px;text-align:left;}
.article-body th{background:linear-gradient(180deg,#f4f8ff,#eaf1fc);font-weight:700;color:#1c3d7d;}
.article-body td{border-right:1px solid #eef2f9;}
.article-body td:last-child{border-right:none;}
.article-body tr:last-child td{border-bottom:none;}
.article-body tr:hover td{background:#f7faff;}
.article-body ul,.article-body ol{padding-left:1.8em;margin-bottom:20px;}
.article-body li{margin-bottom:7px;}
.article-body li::marker{color:var(--blue-600);}
.tag-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px;padding-top:18px;border-top:1px solid var(--line);}
.tag-list .tag-label{font-size:13px;color:var(--muted);margin-right:6px;align-self:center;}
.tag-chip{font-size:12px;background:#eef2fa;color:#3c4a63;padding:5px 14px;border-radius:999px;border:1px solid transparent;letter-spacing:.5px;transition:all .25s;}
.tag-chip:hover{background:var(--blue-600);color:#fff;}

/* ---------- 评论 ---------- */
.comment-section{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.comment-title{font-size:19px;font-weight:700;margin-bottom:8px;color:var(--blue-900);padding-left:16px;position:relative;}
.comment-title::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:3px;background:var(--grad);}
.comment-item{padding:20px 0;border-bottom:1px solid var(--line);}
.comment-item:last-child{border-bottom:none;}
.comment-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.comment-nick{font-weight:700;font-size:14px;color:var(--ink);}
.comment-time{font-size:12px;color:#8a99b1;}
.comment-body{font-size:14px;color:#333a48;margin-bottom:8px;word-wrap:break-word;line-height:1.9;}
.comment-reply{font-size:13px;color:var(--blue-600);cursor:pointer;background:none;border:none;padding:0;font-family:inherit;}
.comment-reply:hover{color:var(--blue-700);text-decoration:underline;}
.comment-sub{margin:14px 0 0 28px;padding:14px 18px;background:#f4f8ff;border-left:3px solid var(--blue-600);border-radius:0 10px 10px 0;}
.comment-form{background:var(--card);border:1px solid #edf1f8;border-radius:14px;padding:26px;margin-top:24px;box-shadow:var(--shadow-card);}
.comment-form h3{font-size:16px;margin-bottom:16px;font-weight:700;color:var(--blue-900);padding-left:15px;position:relative;}
.comment-form h3::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:3px;background:var(--grad);}
.comment-form .cf-item{margin-bottom:14px;}
.comment-form input[type=text],.comment-form textarea{width:100%;box-sizing:border-box;border:1px solid #dcdfe6;border-radius:4px;padding:0 12px;height:40px;font-size:14px;color:var(--ink);background:#fff;outline:none;font-family:inherit;transition:border-color .25s,box-shadow .25s;}
.comment-form input[type=text]::placeholder,.comment-form textarea::placeholder{color:#a8abb2;}
.comment-form input[type=text]:hover,.comment-form textarea:hover{border-color:#c0c4cc;}
.comment-form input:focus,.comment-form textarea:focus{border-color:#409eff;box-shadow:0 0 0 2px rgba(64,158,255,.18);}
.comment-form textarea{min-height:96px;line-height:1.6;padding:10px 12px;resize:vertical;}
.btn-submit{display:inline-flex;align-items:center;justify-content:center;background:var(--blue-600);color:#fff;border:none;border-radius:10px;padding:11px 32px;font-size:14px;font-weight:600;cursor:pointer;font-family:inherit;letter-spacing:1px;transition:background .2s,transform .15s;}
.btn-submit:hover{background:var(--blue-700);}
.btn-submit:active{transform:scale(.98);}
/* ---------- 评论区·Element Plus 风格（仅 .comment-form 作用域，不影响表单页/其它主题） ---------- */
.comment-form .cf-item{margin-bottom:16px;}
.comment-form .captcha-box{gap:8px;align-items:center;}
.comment-form .captcha-box img{width:118px;height:40px;border:1px solid #dcdfe6;border-radius:4px;background:#f5f7fa;cursor:pointer;object-fit:cover;flex:none;transition:border-color .2s;}
.comment-form .captcha-box img:hover{border-color:#409eff;}
.comment-form .btn-submit{height:auto;padding:9px 28px;background:#409eff;border-radius:4px;font-weight:500;letter-spacing:1px;transition:background .2s;}
.comment-form .btn-submit:hover{background:#66b1ff;}
.comment-form .btn-submit:active{background:#3a8ee6;transform:none;}
/* ---------- 评论区·EP 风格表单校验 ---------- */
.comment-form .cf-item.has-error input[type=text],
.comment-form .cf-item.has-error textarea{border-color:#f56c6c;}
.comment-form .cf-item.has-error input[type=text]:hover,
.comment-form .cf-item.has-error textarea:hover{border-color:#f56c6c;}
.comment-form .cf-item.has-error input:focus,
.comment-form .cf-item.has-error textarea:focus{border-color:#f56c6c;box-shadow:0 0 0 2px rgba(245,108,108,.18);}
.comment-form .cf-item-err{display:none;margin-top:6px;color:#f56c6c;font-size:12px;line-height:1.5;}
.comment-form .cf-item.has-error .cf-item-err{display:block;}
.comment-form .btn-submit.is-loading{cursor:not-allowed;}
.comment-form .btn-submit.is-loading::before{content:"";width:14px;height:14px;margin-right:8px;border:2px solid rgba(255,255,255,.45);border-top-color:#fff;border-radius:50%;animation:cf-spin .7s linear infinite;flex:none;}
@keyframes cf-spin{to{transform:rotate(360deg);}}
/* ---------- EP message（全站通用轻提示） ---------- */
.cf-toast{position:fixed;top:18px;left:50%;transform:translate(-50%,-14px);z-index:99999;display:flex;align-items:center;gap:8px;max-width:calc(100vw - 40px);padding:10px 16px;border-radius:4px;background:#fff;border:1px solid #e4e7ed;box-shadow:0 4px 16px rgba(0,0,0,.12);color:#303133;font-size:14px;line-height:1.5;opacity:0;visibility:hidden;transition:opacity .3s,transform .3s,visibility .3s;}
.cf-toast.show{opacity:1;visibility:visible;transform:translate(-50%,0);}
.cf-toast .cf-toast-ico{font-style:normal;font-weight:700;}
.cf-toast.success .cf-toast-ico{color:#67c23a;}
.cf-toast.error .cf-toast-ico{color:#f56c6c;}
.cf-toast.info .cf-toast-ico{color:#409eff;}

/* ---------- 专题页 ---------- */
.topic-hero{display:flex;gap:28px;align-items:center;position:relative;overflow:hidden;border-radius:18px;background:radial-gradient(700px 340px at 88% -15%,rgba(46,104,255,.35),transparent 62%),linear-gradient(135deg,#0a1220 0%,#0d1f3c 60%,#0e2a4d 100%);color:#fff;padding:32px 36px;margin:20px 0 30px;box-shadow:0 22px 54px rgba(13,35,70,.24);}
.topic-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;pointer-events:none;}
.topic-cover{flex:none;width:220px;position:relative;z-index:1;overflow:hidden;border-radius:12px;}
.topic-cover img{width:220px;height:128px;object-fit:cover;background:rgba(255,255,255,.12);transition:transform .5s ease;}
.topic-hero:hover .topic-cover img{transform:scale(1.05);}
.topic-info{flex:1;min-width:0;position:relative;z-index:1;}
.topic-info .eyebrow{color:#9fc9ff;margin-bottom:10px;}
.topic-info .eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,#7dd3fc,#38bdf8);}
.topic-info h1{font-size:27px;font-weight:800;margin-bottom:10px;line-height:1.4;color:#fff;}
.topic-info p{font-size:14px;color:#b7c9e4;line-height:1.9;}
.topic-body{padding:8px 0 24px;}
.topic-list{border-top:1px solid var(--line);margin-top:10px;}
.topic-list li{border-bottom:1px solid var(--line);}
.topic-list a{display:flex;justify-content:space-between;align-items:center;padding:16px 8px;color:var(--ink);font-size:15px;font-weight:600;transition:color .2s,padding-left .2s;}
.topic-list a:hover{color:var(--blue-600);padding-left:16px;}
.topic-list .time{color:#8a99b1;font-size:13px;flex:none;margin-left:16px;font-weight:400;}

/* ---------- 表单页 ---------- */
.form-page{max-width:720px;padding:36px 0 56px;}
.form-card{background:var(--card);border:1px solid #edf1f8;border-radius:18px;padding:36px;box-shadow:0 14px 44px rgba(13,35,70,.1);}
.form-title{font-size:26px;font-weight:800;margin-bottom:8px;color:var(--blue-900);}
.form-desc{color:var(--muted);font-size:14px;margin-bottom:24px;line-height:1.9;}
.form-item{margin-bottom:20px;}
.form-item label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.form-item label em{color:#dc2626;font-style:normal;margin-left:3px;}
.form-item input[type=text],.form-item input[type=number],.form-item textarea,.form-item select{width:100%;box-sizing:border-box;padding:11px 14px;font-size:14px;border:1px solid #dfe7f4;border-radius:10px;outline:none;background:#fff;color:var(--ink);font-family:inherit;transition:border-color .2s,box-shadow .2s;}
.form-item input:focus,.form-item textarea:focus,.form-item select:focus{border-color:var(--blue-600);box-shadow:0 0 0 4px rgba(37,99,235,.12);}
.form-item textarea{min-height:100px;resize:vertical;}
.form-item .form-opt{display:inline-flex;align-items:center;gap:5px;margin-right:18px;font-weight:400;font-size:14px;}
.form-item .tips{font-size:12px;color:#8a99b1;margin-top:5px;}
.form-footer{margin-top:26px;}
.form-footer button{width:100%;padding:13px;font-size:15px;font-weight:600;border:none;border-radius:12px;background:var(--blue-600);color:#fff;cursor:pointer;font-family:inherit;letter-spacing:2px;transition:background .2s,transform .15s;}
.form-footer button:hover{background:var(--blue-700);}
.form-footer button:active{transform:scale(.99);}
.form-footer button:disabled{background:#9db1c9;cursor:not-allowed;}
.msg{padding:11px 15px;font-size:14px;margin-top:14px;display:none;}
.msg.ok{background:#e8f4ec;color:#1e7d45;border:1px solid #bcdcc6;border-radius:10px;display:block;}
.msg.err{background:#fdeeee;color:#c0392b;border:1px solid #f0c8c8;border-radius:10px;display:block;}
.captcha-box{display:flex;gap:10px;align-items:stretch;}
.captcha-box input{flex:1;}
.captcha-box img{width:130px;height:42px;border:1px solid #dfe7f4;border-radius:10px;cursor:pointer;background:#eef2fa;object-fit:cover;flex:none;}

/* ---------- 错误页 ---------- */
.error-page{max-width:580px;margin:70px auto 90px;text-align:center;padding:58px 40px;border:1px solid #edf1f8;border-radius:20px;background:var(--card);box-shadow:0 16px 50px rgba(13,35,70,.1);}
.error-page .code{font-size:74px;font-weight:800;line-height:1;letter-spacing:4px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.error-page h2{margin:20px 0 10px;font-size:21px;font-weight:700;}
.error-page p{color:var(--muted);margin-bottom:28px;font-size:14px;}
.btn-primary{display:inline-flex;align-items:center;background:var(--blue-600);color:#fff !important;padding:11px 32px;border-radius:10px;font-size:14px;font-weight:600;letter-spacing:1px;transition:background .2s,transform .15s;}
.btn-primary:hover{background:var(--blue-700);}
.btn-primary:active{transform:scale(.98);}

/* ---------- 页脚（深空蓝） ---------- */
.site-footer{background:#0a1220;color:#8fa0bd;margin-top:20px;flex-shrink:0;}
.site-footer::before{content:"";display:block;height:3px;background:linear-gradient(90deg,#2563eb,#06b6d4);}
/* ---------- 页脚主体：左品牌栏 + 右内容块区 并排一行 ---------- */
.footer-wrap{max-width:var(--container);margin:0 auto;padding:34px 20px 26px;display:flex;flex-wrap:wrap;align-items:flex-start;gap:22px 42px;}
/* 左栏：logo+站名 → 渐变装饰线 → 一句话简介 */
.footer-top{flex:0 0 340px;max-width:100%;display:flex;flex-direction:column;align-items:flex-start;gap:12px;}
.footer-wrap .footer-top:only-child{flex:1 1 100%;}
.footer-brand{display:flex;align-items:center;gap:12px;white-space:nowrap;flex:none;}
.footer-brand .logo-name{font-size:19px;color:#fff;font-weight:800;letter-spacing:.5px;}
.footer-sep{flex:none;width:34px;height:3px;border-radius:3px;background:linear-gradient(90deg,#2563eb,#06b6d4);}
.footer-desc{margin:0;font-size:13px;color:#7c8ca8;max-width:340px;line-height:1.9;}
.footer-wrap .footer-top:only-child .footer-desc{max-width:760px;}
.footer-inner{max-width:var(--container);margin:0 auto;padding:16px 20px 26px;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:#7c8ca8;border-top:1px solid rgba(255,255,255,.07);}
.footer-inner a{color:#a9bcd4;}
.footer-inner a:hover{color:#fff;}
.footer-inner .icp{margin-left:18px;}

/* ---------- 页脚内容区（内容块 deep_footer，多块横向并排）
   默认/两端对齐：各块等宽通栏铺满整行（两端对齐=列式分栏）；
   左/右对齐：各块按内容宽成组靠边排布。窄屏（≤768px）回退单列竖排。 ---------- */
.footer-area{flex:1 1 460px;min-width:0;display:flex;flex-direction:row;flex-wrap:wrap;align-items:flex-start;gap:14px;color:#8fa0bd;}
.footer-area:empty{display:none;}
.footer-area .cms-block{flex:1 1 240px;width:auto;max-width:100%;box-sizing:border-box;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:10px;box-shadow:none;padding:14px 18px;color:#8fa0bd;}
.footer-area .cms-block-title{color:#e8eef8;font-size:16px;margin-bottom:12px;border-left-color:#38bdf8;}
.footer-area.footer-area-left{justify-content:flex-start;}
.footer-area.footer-area-right{justify-content:flex-end;}
.footer-area.footer-area-left .cms-block,
.footer-area.footer-area-right .cms-block{flex:0 1 auto;min-width:0;}
.footer-area .cms-block-list li{border-bottom-color:rgba(255,255,255,.07);}
.footer-area .cms-block-link{color:#c6d2e3;}
.footer-area .cms-block-link:hover{color:#fff;}
.footer-area .cms-block-time{color:#71809b;}
.footer-area .cms-block-links .cms-block-link{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12);color:#c6d2e3;}
.footer-area .cms-block-links .cms-block-link:hover{color:#fff;border-color:#38bdf8;background:rgba(56,189,248,.12);}
.footer-area .cms-block-linkgroup .linkgroup-name{color:#7dd3fc;background:rgba(56,189,248,.12);}
.footer-area .cms-block-qrcode .qrcode-text{color:#c6d2e3;}
.footer-area .cms-block-qrcode .qrcode-link{color:#71809b;}
.footer-area .cms-block-qrcode img{border-color:rgba(255,255,255,.14);}
.footer-area .cms-block-stats .stats-item{background:rgba(255,255,255,.05);}
.footer-area .cms-block-stats .stats-num{color:#7dd3fc;}
.footer-area .cms-block-stats .stats-label{color:#8fa0bd;}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .page-main{flex-direction:column;align-items:stretch;gap:26px;}
  .sidebar{width:100%;}
  .article-cover,.article-cover img{width:136px;}
  .article-cover img{height:88px;}
  .hero .inner{padding:44px 32px 48px;}
  .hero h1{font-size:31px;}
}
/* 窄屏页脚回退上下堆叠：左品牌栏整行，内容块区单列竖排（整宽卡片） */
@media (max-width:768px){
  .footer-wrap{padding:28px 20px 22px;gap:24px;}
  .footer-top{flex:1 1 100%;max-width:100%;}
  .footer-top .footer-desc{max-width:100%;}
  .footer-area{flex:1 1 100%;flex-direction:column;align-items:stretch;}
  .footer-area .cms-block,
  .footer-area.footer-area-left .cms-block,
  .footer-area.footer-area-right .cms-block{flex:none;width:100%;}
}
/* ---------- 响应式 · 门户头（≤900px 进入移动态） ----------
   第一行仅 Logo 独占；第二行 搜索框+用户区 同行；
   第二行导航条转为汉堡展开的纵向菜单。 */
@media (max-width:900px){
  .header-inner{padding:11px 16px;gap:9px 12px;}
  /* 第一行：LOGO+站名+头像(用户区)；第二行：搜索框独占 */
  .header-search{flex:1 1 100%;order:9;min-width:0;}
  .header-search-form{width:100%;}
  .header-navbar{position:relative;top:auto;}
  .header-navwrap{padding:0 16px;}
  .header-navbar + .cms-blocks{padding:0 16px;margin:10px auto 18px;}
  /* 汉堡钉右上、主题开关钉左上：绝对定位，展开/收起位置均不变 */
  .header-navwrap{min-height:46px;}
  .theme-toggle{position:absolute;top:11px;left:16px;right:auto;margin-left:0;}
  .nav-toggle{display:flex;position:absolute;top:2px;right:16px;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:42px;height:42px;padding:8px;flex:none;background:none;border:none;cursor:pointer;border-radius:10px;}
  .nav-toggle:active{background:rgba(255,255,255,.12);}
  .nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:#fff;transition:transform .28s ease,opacity .2s ease;}
  .nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle.open span:nth-child(2){opacity:0;}
  .nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .main-nav{display:none;flex-direction:column;align-items:stretch;width:100%;flex:auto;}
  .main-nav.open{display:flex;padding-top:46px;} /* 展开的菜单从顶部按钮行(46px)之下开始，不与左上主题开关/右上汉堡重叠 */
  .main-nav>li>a{width:100%;height:auto;min-height:46px;border-bottom:1px solid rgba(255,255,255,.08);}
  /* 移动端纵向全宽菜单：取消桌面端末项右对齐，保持整行展开 */
  .main-nav>li:last-child{margin-left:0;}
  .main-nav>li:last-child>a{border-bottom:none;}
  .main-nav>li:hover>a,.main-nav>li.active>a{background:rgba(255,255,255,.06);}
  .main-nav>li::after{display:none;}
  .main-nav .has-sub>a::after{display:none;}
  /* 移动端纵向菜单：角标回到行内右上方，不向上顶出，隐藏小尾巴 */
  .main-nav>li>a .nav-badge{top:5px;right:6px;border-radius:9px;transform-origin:100% 0;}
  .main-nav>li>a .nav-badge::after{display:none;}
  .dropdown{position:static;display:block;min-width:0;width:auto;background:rgba(0,0,0,.12);border:none;border-radius:8px;box-shadow:none;padding:2px 0;margin:0 10px 8px;animation:none;}
  .dropdown a{color:rgba(255,255,255,.85);padding:9px 14px 9px 24px;border-radius:8px;}
  .dropdown a:hover{color:#fff;background:rgba(255,255,255,.1);padding-left:28px;}
  .cms-user-dd:hover .cu-menu{display:none;}
  .cms-user-dd.open .cu-menu{display:none;}
  /* 手机端：去掉下拉与箭头，显示头像+昵称，点击直达会员中心（配合 front.js） */
  .cu-menu{display:none;}
  .cu-caret{display:none;}
  .cu-trigger{cursor:pointer;}
}
@media (hover:none) and (max-width:900px){
  .cms-user-dd:hover .cu-menu{display:none;}
}

@media (max-width:640px){
  .wrap{padding:0 14px;}
  .header-inner{padding:10px 14px;gap:6px 8px;}
  .logo img{height:30px;}
  .logo-name{font-size:16px;letter-spacing:0;white-space:nowrap;}
  .site-header .cms-user-btn{padding:6px 12px;font-size:12px;white-space:nowrap;} /* 登录/注册按钮收紧 */
  .cu-name{max-width:76px;}
  /* 下拉跟随头像常规绝对定位（页头已是两行，固定 top:62px 不再适用） */
  .cu-menu{width:min(280px, calc(100vw - 28px));}
  .hero .inner{padding:34px 22px 38px;}
  .hero{margin:16px 0 22px;}
  .hero h1{font-size:25px;}
  .article-item{gap:14px;padding:16px 14px;}
  .article-cover,.article-cover img{width:104px;}
  .article-cover img{height:70px;}
  .article-title{font-size:16px;}
  .detail-title{font-size:24px;}
  .detail-page{padding-bottom:36px;}
  .article-body{padding:22px 18px;}
  .topic-hero{flex-direction:column;align-items:flex-start;padding:24px;}
  .topic-cover{width:100%;}
  .topic-cover img{width:100%;height:auto;}
  .form-card{padding:26px 20px;}
  .error-page{margin:46px 0 70px;padding:40px 20px;}
  .comment-sub{margin-left:0;}
  .footer-inner{flex-direction:column;text-align:center;}
  .footer-inner .icp{margin-left:0;}
}

/* ===== 扩展字段（模型自定义字段） ===== */
.detail-fields{border:1px dashed #e0e3e8;border-radius:8px;padding:18px 20px;margin:18px 0;background:#fafbfc;}
.detail-fields .detail-field{display:flex;align-items:flex-start;padding:8px 0;border-bottom:1px dashed #edf0f3;}
.detail-fields .detail-field:last-child{border-bottom:none;}
.detail-fields .detail-field-label{flex:0 0 90px;font-weight:600;color:#606266;line-height:1.8;}
.detail-fields .detail-field-value{flex:1;min-width:0;line-height:1.8;color:#303133;word-break:break-all;}

/* ========== 宽屏 / 带鱼屏适配 ==========
   内容容器(header/主内容/页脚)默认 1200px，在 1600px+ 超宽屏下随视口放大，
   两侧不再大面积留白；列表页(page-content 内的 article-item)在宽屏自动转为
   自适应多列卡片，充分利用横向空间。≤1600px 及手机/平板断点完全不受影响。 */
@media (min-width:1600px){
  :root{ --container:min(1700px, calc(100vw - 120px)); }
}
@media (min-width:2500px){
  :root{ --container:min(2100px, calc(100vw - 160px)); }
}
@media (min-width:3440px){
  :root{ --container:min(2600px, calc(100vw - 200px)); }
}
/* 详情页(内容页/单页)：与整站容器同宽，不再保留窄阅读上限。
   根节点 class="wrap detail-page" 两者为同一元素，.detail-page 不声明
   max-width 即自动跟随 --container（宽屏下 1700/2100/2600px），
   与头部/列表页横向一致；标题与正文排版随档位放大。 */
@media (min-width:1600px){
  .detail-page{padding-bottom:64px;}
  .detail-header{padding:26px 0 28px;margin-bottom:36px;}
  .detail-title{font-size:38px;}
}
@media (min-width:2500px){
  .detail-title{font-size:44px;}
  .detail-meta{font-size:14px;}
  .article-body{font-size:18px;padding:42px 46px;}
  .article-body h2{font-size:27px;}
  .article-body h3{font-size:22px;}
}
@media (min-width:3440px){
  .detail-title{font-size:52px;}
  .article-body{font-size:20px;padding:52px 60px;line-height:2.1;}
  .article-body h2{font-size:31px;}
  .article-body h3{font-size:25px;}
}
/* 宽屏下列表卡片多列布局 */
@media (min-width:1600px){
  .wrap{padding:26px 24px 34px;}
  .page-main{gap:36px;padding:18px 0 60px;}
  .sidebar{width:320px;}
  .page-content{display:grid;grid-template-columns:repeat(auto-fill,minmax(430px,1fr));column-gap:20px;row-gap:20px;}
  .page-content>*{grid-column:1 / -1;}
  .page-content>.article-item{grid-column:auto;margin-bottom:0;}
  .article-item{flex-direction:column;gap:14px;padding:22px;}
  .article-cover,.article-cover img{width:100%;}
  .article-cover img{height:auto;aspect-ratio:16/5;}
  .article-title{font-size:19px;margin-bottom:10px;}
}

/* ========== 内容点赞 / 收藏互动条 ========== */
.content-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;padding:20px 0 20px;margin-bottom:22px;}
.ca-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border:1px solid #e4e9f2;border-radius:999px;background:#fff;color:#5a6472;font-size:14px;line-height:1;cursor:pointer;transition:all .2s ease;user-select:none;-webkit-user-select:none;}
.ca-btn svg{width:17px;height:17px;flex:0 0 auto;}
.ca-btn .ca-count{min-width:16px;text-align:center;font-weight:700;}
.ca-btn:hover{color:#e8583a;border-color:#f2bdb2;background:#fff7f4;transform:translateY(-1px);}
.ca-btn.on{color:#fff;border-color:transparent;background:linear-gradient(135deg,#ff6a5e,#feb47b);box-shadow:0 6px 16px rgba(255,106,94,.28);}
.ca-fav.on{background:linear-gradient(135deg,#f7a020,#ffd36e);box-shadow:0 6px 16px rgba(247,160,32,.28);}
.ca-btn.on svg{fill:currentColor;}
.ca-btn.busy{opacity:.6;pointer-events:none;}
@media (max-width:640px){
  .content-actions{gap:10px;}
  .ca-btn{padding:9px 14px;font-size:13px;}
}

/* ========== 正文目录（大纲导航）==========
   由 /static/js/article-toc.js 注入结构：
   article.detail
     ├─ header.detail-header（标题区，通栏）
     └─ div.toc-layout
          ├─ aside.article-toc（目录，宽屏吸附在左侧）
          └─ div.toc-main（原正文主体）
   默认单列：目录作为一块卡片展示在正文上方；
   ≥1180px 转两列，目录 position:sticky 随滚动高亮。 */
.toc-layout{display:block;min-width:0;}
.toc-main{min-width:0;}
.article-toc{margin:0 0 28px;scrollbar-width:thin;scrollbar-color:#c6d4ee transparent;}
.article-toc::-webkit-scrollbar{width:6px;}
.article-toc::-webkit-scrollbar-thumb{background:#c6d4ee;border-radius:3px;}
.article-toc-inner{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 16px;box-shadow:var(--shadow-card);}
.article-toc-title{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:800;color:var(--blue-900);margin:0 4px 10px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.article-toc-title::before{content:"";width:5px;height:17px;border-radius:3px;background:var(--grad);box-shadow:0 0 8px rgba(37,99,235,.35);}
.article-toc-list{list-style:none;counter-reset:toc;margin:0;}
.article-toc-list>li{counter-increment:toc;}
.article-toc-list ul{list-style:none;margin:0;padding:0 0 2px 16px;border-left:1px dashed #dfe7f4;margin-left:16px;}
.article-toc-link{display:flex;align-items:flex-start;gap:8px;padding:6px 8px;border-radius:8px;color:#3c4a63;font-size:14px;line-height:1.5;transition:background .2s,color .2s;}
.article-toc-link .toc-text{min-width:0;flex:1;}
.article-toc-list>li>a{font-weight:700;}
.article-toc-list>li>a::before{content:counter(toc,decimal-leading-zero);flex:none;width:21px;height:21px;line-height:19px;text-align:center;border-radius:6px;font-size:11px;font-weight:800;font-family:Consolas,Menlo,monospace;color:var(--blue-600);background:#eef4ff;border:1px solid #dfe9fb;}
.article-toc-list ul a{color:#6a7c9a;font-size:13.5px;font-weight:400;}
.article-toc-list ul a::before{content:"";flex:none;width:5px;height:5px;border-radius:50%;background:#c6d4ee;margin:8px 2px 0 8px;}
.article-toc-link:hover{color:var(--blue-600);background:#f3f8ff;}
.article-toc-link.active,.article-toc-link.active:hover{color:var(--blue-700);background:#eaf2ff;}
.article-toc-list>li>a.active::before{color:#fff;background:var(--blue-600);border-color:var(--blue-600);}
.article-toc-list ul a.active::before{background:var(--blue-600);}
@media (min-width:1180px){
  .toc-layout{display:grid;grid-template-columns:minmax(230px,290px) minmax(0,1fr);column-gap:44px;align-items:start;}
  .article-toc{margin:0;position:sticky;top:var(--toc-top,78px);max-height:calc(100vh - var(--toc-top,78px) - 24px);overflow:auto;overscroll-behavior:contain;}
}