/* ===================================================================
   AINEX 共享设计系统  ·  与 index.html 同一套金色皮
   文章页 / 合规页 复用此文件。视觉 token 与首页严格一致。
   =================================================================== */

:root{
  --bg:#0A0B12;--panel:#14161F;--card:#181B26;--border:#262A38;
  --text:#EAECEF;--muted:#8A90A6;
  --ac:#FFC72E;--ac2:#FFD45C;--cyan:#FFDD66;--cream:#FFF3C2;
  --up:#0ECB81;--down:#F6465D;--maxw:1320px;
  --readw:760px;
  --disp-cn:'Smiley Sans Oblique','Smiley Sans','Noto Sans SC',sans-serif;
  --disp-lt:'Clash Display','General Sans',sans-serif;
  --ui:'General Sans','Noto Sans SC',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scrollbar-color:#262A38 #0A0B12;scrollbar-width:thin;scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--text);font-family:var(--ui);-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.6}
::selection{background:rgba(255,199,46,.30);color:#16140B}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A0B12}
::-webkit-scrollbar-thumb{background:#262A38;border-radius:7px;border:2px solid #0A0B12}
::-webkit-scrollbar-thumb:hover{background:#3a3f52}
a:focus-visible,button:focus-visible{outline:2px solid var(--ac);outline-offset:3px;border-radius:8px}
img{max-width:100%;display:block}

/* ---------- background depth (简化版,文章页不堆重动效) ---------- */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg .grid{position:absolute;inset:0;opacity:.30;
  background-image:linear-gradient(rgba(38,42,56,.30) 1px,transparent 1px),linear-gradient(90deg,rgba(38,42,56,.30) 1px,transparent 1px);
  background-size:68px 68px;
  -webkit-mask-image:radial-gradient(120vw 80vh at 60% 0%,#000 22%,transparent 76%);mask-image:radial-gradient(120vw 80vh at 60% 0%,#000 22%,transparent 76%)}
.bg .aur{position:absolute;border-radius:50%;filter:blur(46px);mix-blend-mode:screen}
.bg .a1{top:-20vh;right:-4vw;width:42vw;height:42vw;background:radial-gradient(circle,rgba(255,199,46,.16),transparent 64%)}
.bg .a2{bottom:-28vh;left:-10vw;width:40vw;height:40vw;background:radial-gradient(circle,rgba(255,221,102,.08),transparent 66%)}
.bg .vig{position:absolute;inset:0;background:radial-gradient(120vw 120vh at 50% 30%,transparent 54%,rgba(0,0,0,.6))}
.grain{position:fixed;inset:-50%;width:200%;height:200%;pointer-events:none;z-index:75;opacity:.04;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- nav 顶栏(照 index.html) ---------- */
nav{position:sticky;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;
  padding:14px clamp(18px,4vw,52px);background:rgba(10,11,18,.86);backdrop-filter:blur(9px);border-bottom:1px solid rgba(38,42,56,.7)}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none}
.mark{width:26px;height:26px;flex:none;filter:drop-shadow(0 0 9px rgba(255,199,46,.6))}
.brand .wm{font-family:var(--disp-lt);font-weight:700;font-size:21px;letter-spacing:.01em}
.brand .tag{font-family:var(--ui);font-weight:500;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);border-left:1px solid var(--border);padding-left:9px}
@media(max-width:600px){.brand .tag{display:none}}
.navlinks{display:flex;gap:28px;align-items:center;font-size:14.5px;font-weight:500}
.navlinks a{color:#C4C8D4;text-decoration:none;position:relative;padding:4px 0;transition:color .25s}
.navlinks a:hover{color:var(--text)}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-1px;height:1.5px;width:0;background:var(--ac);transition:width .35s cubic-bezier(.2,.8,.2,1)}
.navlinks a:hover::after{width:100%}
.navlinks a.cur{color:var(--ac2)}
.navlinks a.cur::after{width:100%}
.navright{display:flex;align-items:center;gap:16px}
.navright .lang{font-size:12.5px;letter-spacing:.06em;color:var(--muted)}
.navright .reg{font-family:var(--ui);font-weight:600;font-size:14px;color:#16140B;background:linear-gradient(180deg,var(--ac2),var(--ac));padding:12px 20px;border-radius:10px;text-decoration:none;transition:.2s;box-shadow:0 6px 20px -8px rgba(255,199,46,.7)}
.navright .reg:hover{filter:brightness(1.08);box-shadow:0 10px 28px -8px rgba(255,199,46,.9)}
@media(max-width:860px){.navlinks{display:none}}

/* ---------- buttons ---------- */
.cta{position:relative;display:inline-flex;align-items:center;gap:11px;font-family:var(--ui);font-weight:600;font-size:16px;text-decoration:none;color:#16140B;
  background:linear-gradient(180deg,var(--ac2),var(--ac));padding:15px 26px;border-radius:12px;overflow:hidden;
  box-shadow:0 14px 40px -14px rgba(255,199,46,.7),inset 0 1px 0 rgba(255,255,255,.25);transition:filter .25s,transform .25s}
.cta:hover{filter:brightness(1.08);transform:translateY(-1px)}
.cta .arrow{display:inline-block;transition:transform .35s cubic-bezier(.2,.8,.2,1)}
.cta:hover .arrow{transform:translateX(5px)}
.cta-2{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:15px;text-decoration:none;color:var(--text);padding:14px 20px;border:1px solid var(--border);border-radius:12px;background:rgba(255,255,255,.015);transition:.25s}
.cta-2:hover{border-color:var(--ac);color:var(--ac2)}

/* ---------- 页面外壳 ---------- */
.page{position:relative;z-index:3;max-width:var(--maxw);margin:0 auto;padding:0 clamp(18px,4vw,52px)}
.wrap{position:relative;z-index:3;max-width:var(--readw);margin:0 auto;padding:0 clamp(18px,4vw,28px)}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin:30px 0 22px}
.crumb a{color:var(--muted);text-decoration:none;transition:color .2s}
.crumb a:hover{color:var(--ac2)}
.crumb .sep{opacity:.5}
.crumb .here{color:#C4C8D4}

/* ---------- 文章页头 ---------- */
.art-head{margin:6px 0 28px}
.kicker{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.kicker i{width:6px;height:6px;border-radius:50%;background:var(--ac);box-shadow:0 0 12px rgba(255,199,46,.9)}
.kicker b{color:var(--ac2);font-weight:700}
h1.title{font-family:var(--disp-cn);font-weight:400;font-size:clamp(2rem,4.6vw,3.55rem);line-height:1.04;letter-spacing:-.01em;color:var(--text);text-wrap:balance;
  text-shadow:0 0 60px rgba(255,199,46,.12)}
.byline{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:22px;font-size:13.5px;color:var(--muted)}
.byline .au{display:flex;align-items:center;gap:9px;color:#C4C8D4}
.byline .av{width:30px;height:30px;border-radius:50%;flex:none;background:linear-gradient(135deg,var(--ac2),var(--ac));display:flex;align-items:center;justify-content:center;color:#16140B;font-family:var(--disp-lt);font-weight:700;font-size:14px}
.byline .au b{color:var(--text);font-weight:600}
.byline .dot{width:3px;height:3px;border-radius:50%;background:var(--border)}
.byline time{color:var(--muted)}

/* ---------- 封面 figure ---------- */
.article-cover{margin:8px 0 30px;border-radius:16px;overflow:hidden;border:1px solid var(--border);background:var(--card);
  box-shadow:0 30px 70px -40px rgba(0,0,0,.85)}
.article-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;display:block}
.article-cover figcaption{font-size:12px;color:var(--muted);padding:10px 16px;border-top:1px solid var(--border);background:rgba(10,11,18,.4)}

/* ---------- 目录 TOC ---------- */
.toc{border:1px solid var(--border);border-radius:14px;background:linear-gradient(180deg,rgba(24,27,38,.8),rgba(16,18,26,.8));
  padding:18px 22px;margin:0 0 34px}
.toc .toc-h{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.toc .toc-h::before{content:"";width:18px;height:1.5px;background:linear-gradient(90deg,var(--ac),transparent)}
.toc ol{list-style:none;counter-reset:toc;display:grid;gap:9px}
.toc ol li{counter-increment:toc;position:relative;padding-left:30px}
.toc ol li::before{content:counter(toc,decimal-leading-zero);position:absolute;left:0;top:1px;font-family:var(--disp-lt);font-weight:700;font-size:12px;color:var(--ac2);opacity:.85}
.toc a{color:#C4C8D4;text-decoration:none;font-size:14.5px;transition:color .2s}
.toc a:hover{color:var(--ac2)}

/* ---------- 正文排版 .prose ---------- */
.prose{font-size:16.5px;line-height:1.86;color:#D2D6E2}
.prose>*{max-width:var(--readw)}
.prose p{margin:0 0 20px}
.prose h2{font-family:var(--disp-cn);font-weight:400;font-size:clamp(1.5rem,2.8vw,2.05rem);line-height:1.18;color:var(--text);
  margin:48px 0 18px;scroll-margin-top:84px;position:relative;padding-top:18px;border-top:1px solid var(--border)}
.prose h2::after{content:"";position:absolute;top:-1px;left:0;width:46px;height:2px;background:linear-gradient(90deg,var(--ac),transparent)}
.prose h3{font-family:var(--ui);font-weight:600;font-size:clamp(1.12rem,1.8vw,1.32rem);color:var(--ac2);margin:32px 0 12px;scroll-margin-top:84px}
.prose h4{font-family:var(--ui);font-weight:600;font-size:1.02rem;color:var(--text);margin:24px 0 10px}
.prose a{color:var(--ac2);text-decoration:none;border-bottom:1px solid rgba(255,212,92,.32);transition:border-color .2s,color .2s}
.prose a:hover{color:var(--cream);border-bottom-color:var(--ac2)}
.prose strong,.prose b{color:var(--text);font-weight:600}
.prose em{color:#C4C8D4;font-style:normal;background:linear-gradient(transparent 62%,rgba(255,199,46,.14) 0)}
.prose ul,.prose ol{margin:0 0 22px;padding-left:4px;display:grid;gap:11px}
.prose ul{list-style:none}
.prose ul li{position:relative;padding-left:26px}
.prose ul li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:2px;transform:rotate(45deg);background:var(--ac);box-shadow:0 0 8px rgba(255,199,46,.5)}
.prose ol{list-style:none;counter-reset:li}
.prose ol li{counter-increment:li;position:relative;padding-left:34px}
.prose ol li::before{content:counter(li);position:absolute;left:0;top:0;width:22px;height:22px;border-radius:7px;background:rgba(255,199,46,.12);border:1px solid rgba(255,199,46,.28);
  color:var(--ac2);font-family:var(--disp-lt);font-weight:700;font-size:12px;display:flex;align-items:center;justify-content:center}
.prose li>ul,.prose li>ol{margin:11px 0 0}
.prose blockquote{margin:26px 0;padding:16px 22px;border-left:3px solid var(--ac);border-radius:0 12px 12px 0;
  background:linear-gradient(90deg,rgba(255,199,46,.07),transparent);color:#C4C8D4;font-size:16px;line-height:1.8}
.prose blockquote p:last-child{margin:0}
.prose code{font-family:'SF Mono',ui-monospace,Menlo,monospace;font-size:.88em;background:rgba(255,255,255,.06);border:1px solid var(--border);
  padding:2px 7px;border-radius:6px;color:var(--cream)}
.prose figure{margin:28px 0}
.prose hr{border:none;height:1px;background:var(--border);margin:40px 0}

/* 提示框 callout */
.callout{margin:26px 0;border:1px solid var(--border);border-radius:14px;padding:18px 22px;background:linear-gradient(180deg,rgba(24,27,38,.7),rgba(16,18,26,.7));
  display:flex;gap:15px;align-items:flex-start}
.callout .ic{flex:none;width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;font-family:var(--disp-lt);font-weight:700;font-size:16px}
.callout .body{font-size:15px;line-height:1.74;color:#C4C8D4}
.callout .body b{color:var(--text)}
.callout .body p{margin:0 0 8px}.callout .body p:last-child{margin:0}
.callout.note{border-color:rgba(255,199,46,.34)}
.callout.note .ic{background:rgba(255,199,46,.13);color:var(--ac2);border:1px solid rgba(255,199,46,.3)}
.callout.warn{border-color:rgba(246,70,93,.34)}
.callout.warn .ic{background:rgba(246,70,93,.12);color:var(--down);border:1px solid rgba(246,70,93,.32)}
.callout.tip{border-color:rgba(14,203,129,.32)}
.callout.tip .ic{background:rgba(14,203,129,.12);color:var(--up);border:1px solid rgba(14,203,129,.3)}

/* 表格 */
.prose .table-wrap{overflow-x:auto;margin:26px 0;border:1px solid var(--border);border-radius:12px}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:480px}
.prose thead th{background:rgba(255,199,46,.07);color:var(--ac2);font-weight:600;text-align:left;padding:12px 16px;border-bottom:1px solid var(--border);white-space:nowrap}
.prose tbody td{padding:12px 16px;border-bottom:1px solid rgba(38,42,56,.6);color:#C4C8D4;vertical-align:top}
.prose tbody tr:last-child td{border-bottom:none}
.prose tbody tr:nth-child(even) td{background:rgba(255,255,255,.012)}

/* 文中转化条 */
.cta-band{margin:34px 0;border:1px solid var(--border);border-radius:16px;overflow:hidden;
  background:radial-gradient(130% 100% at 100% 0%,rgba(255,199,46,.12),transparent 54%),linear-gradient(180deg,rgba(24,27,38,.92),rgba(16,18,26,.92));
  padding:22px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:16px 22px;box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
.cta-band .cb-txt{flex:1;min-width:230px}
.cta-band .cb-txt h4{font-family:var(--ui);font-weight:600;font-size:17px;color:var(--text);margin:0 0 6px}
.cta-band .cb-txt p{font-size:13.5px;line-height:1.6;color:var(--muted);margin:0}
.cta-band .cb-txt sup{color:var(--ac2)}
.cta-band .cb-code{display:inline-flex;align-items:center;gap:11px;border:1px solid var(--border);border-radius:11px;padding:9px 10px 9px 16px;background:rgba(10,11,18,.5)}
.cta-band .cb-code .l{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted)}
.cta-band .cb-code .v{font-family:var(--disp-lt);font-weight:700;font-size:19px;color:var(--text);letter-spacing:.03em}
.cta-band .cb-code button{font-family:var(--ui);font-weight:600;font-size:12px;border:none;cursor:pointer;border-radius:7px;padding:7px 11px;background:rgba(255,199,46,.14);color:var(--ac2);transition:.2s}
.cta-band .cb-code button:hover{background:var(--ac);color:#16140B}
.cta-band .cb-code button.ok{background:var(--ac);color:#16140B}

/* ---------- 卡片网格(相关文章 / 列表) ---------- */
.sec-h{display:flex;align-items:center;gap:13px;margin:54px 0 22px}
.sec-h h2{font-family:var(--disp-cn);font-weight:400;font-size:clamp(1.4rem,2.6vw,1.9rem);color:var(--text);line-height:1.1}
.sec-h .ln{flex:1;height:1px;background:linear-gradient(90deg,var(--border),transparent)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:18px;margin:0 0 30px}
.card{position:relative;display:flex;flex-direction:column;border:1px solid var(--border);border-radius:15px;overflow:hidden;text-decoration:none;
  background:linear-gradient(180deg,rgba(24,27,38,.7),rgba(16,18,26,.7));transition:border-color .25s,transform .25s,box-shadow .25s}
.card:hover{border-color:rgba(255,199,46,.5);transform:translateY(-3px);box-shadow:0 24px 50px -28px rgba(0,0,0,.8),0 0 0 1px rgba(255,199,46,.12)}
.card .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#181B26,#101218);overflow:hidden;position:relative}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .thumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--border);font-family:var(--disp-lt);font-weight:700;font-size:30px}
.card .cbody{padding:16px 17px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .ctag{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ac2);font-weight:600}
.card h3{font-family:var(--ui);font-weight:600;font-size:16px;line-height:1.4;color:var(--text);transition:color .2s}
.card:hover h3{color:var(--ac2)}
.card .cdesc{font-size:13px;line-height:1.6;color:var(--muted);margin-top:auto}

/* ---------- 出站权威链接区 ---------- */
.sources{border:1px solid var(--border);border-radius:14px;padding:20px 24px;margin:30px 0;background:rgba(20,22,31,.5)}
.sources h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}
.sources ul{list-style:none;display:grid;gap:10px;margin:0;padding:0}
.sources li{padding-left:0}
.sources li::before{content:none}
.sources a{color:#C4C8D4;text-decoration:none;font-size:14px;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.sources a:hover{color:var(--ac2);border-bottom-color:rgba(255,212,92,.4)}
.sources .src-note{margin-top:14px;font-size:12px;color:#5A6072;line-height:1.6}

/* ---------- footer(照 index.html) ---------- */
.ft{position:relative;z-index:3;border-top:1px solid var(--border);background:rgba(10,11,18,.6);padding:54px clamp(18px,4vw,52px) 40px;margin-top:60px}
.ft-in{max-width:var(--maxw);margin:0 auto}
.ft-brand{display:flex;align-items:center;gap:9px;font-family:var(--disp-lt);font-weight:700;font-size:19px;color:var(--text)}
.ft-brand span{font-family:var(--ui);font-weight:500;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);border-left:1px solid var(--border);padding-left:9px}
.ft-nav{display:flex;flex-wrap:wrap;gap:18px;margin:20px 0 22px}
.ft-nav a{color:#C4C8D4;text-decoration:none;font-size:14px;transition:color .2s}
.ft-nav a:hover{color:var(--ac2)}
.ft-disc{max-width:880px;font-size:12.5px;line-height:1.7;color:var(--muted)}
.ft-disc b{color:var(--ac2)}
.ft-cp{margin-top:18px;font-size:12px;color:#5A6072}

/* ---------- 合规页正文(套 .prose 但稍窄) ---------- */
.legal-meta{font-size:13px;color:var(--muted);margin:0 0 28px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.legal-meta b{color:#C4C8D4;font-weight:600}

/* ---------- 响应式 ---------- */
@media(max-width:768px){
  .prose{font-size:15.5px;line-height:1.8}
  h1.title{font-size:clamp(1.8rem,7vw,2.4rem)}
  .cta-band{padding:18px 18px}
  .card-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
}
@media(max-width:420px){
  .card-grid{grid-template-columns:1fr}
  .cta-band .cb-code{width:100%;justify-content:space-between}
  .crumb{font-size:11.5px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .card:hover,.cta:hover{transform:none}
}

/* ============================================================
   i18n 语种切换器(autonym 悬停下拉) — 由 _i18n_site40.py 注入
   纯 CSS :hover / :focus-within 展开,无 JS 依赖
   ============================================================ */
.langsw{position:relative;display:inline-flex;align-items:center;font-family:var(--ui)}
.langsw .lsw-btn{display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  font-family:var(--ui);font-size:12.5px;font-weight:500;letter-spacing:.04em;
  color:var(--muted);background:transparent;border:1px solid var(--border);
  border-radius:9px;padding:7px 11px;transition:color .2s,border-color .2s,background .2s;line-height:1}
.langsw .lsw-btn:hover,.langsw:hover .lsw-btn,.langsw:focus-within .lsw-btn{
  color:var(--text);border-color:var(--ac);background:rgba(255,199,46,.06)}
.langsw .lsw-caret{font-size:9px;opacity:.7;transition:transform .2s}
.langsw:hover .lsw-caret,.langsw:focus-within .lsw-caret{transform:rotate(180deg)}
.langsw .lsw-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:150px;z-index:80;
  display:flex;flex-direction:column;gap:2px;padding:7px;
  background:rgba(20,22,31,.97);border:1px solid var(--border);border-radius:12px;
  box-shadow:0 18px 44px -18px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.04);
  backdrop-filter:blur(10px);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .2s,transform .2s,visibility .2s;pointer-events:none}
.langsw:hover .lsw-menu,.langsw:focus-within .lsw-menu{
  opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.langsw .lsw-menu a{display:block;font-size:14px;font-weight:500;text-decoration:none;
  color:#C4C8D4;padding:9px 13px;border-radius:8px;transition:background .18s,color .18s;white-space:nowrap;min-height:40px;display:flex;align-items:center}
.langsw .lsw-menu a:hover{background:rgba(255,199,46,.1);color:var(--ac2)}
.langsw .lsw-menu a.on{color:var(--ac2);background:rgba(255,199,46,.08)}
@media(max-width:960px){.langsw .lsw-btn{padding:0 11px;min-height:44px;display:inline-flex;align-items:center;font-size:12px}}