/* ============================================================
   金陵光影 / 投放指南 文章系统
   原生 CSS，与首页共用同一套「未来玻璃」令牌
   ============================================================ */
@font-face{
  font-family:'Inter';
  src:url('../fonts/inter-latin.woff2') format('woff2');
  font-weight:100 900;font-style:normal;font-display:swap;
}
@font-face{
  font-family:'JetBrains Mono';
  src:url('../fonts/jetbrains-mono-latin.woff2') format('woff2');
  font-weight:100 800;font-style:normal;font-display:swap;
}

:root{
  --bg-base:#0A0B1A;
  --bg-deep:#070814;
  --glow-a:rgba(224,176,80,.22);
  --glow-b:rgba(168,112,40,.15);
  --glow-c:rgba(6,182,212,.10);
  --gold:#E3B85C;
  --gold-light:#F7DEA1;
  --gold-deep:#B7832F;
  --gold-grad:linear-gradient(135deg,#F9E6B4 0%,#E3B85C 44%,#A9762C 100%);
  --gold-soft:linear-gradient(135deg,rgba(247,222,161,.16),rgba(183,131,47,.14));
  --title-grad:linear-gradient(135deg,#F9E6B4 0%,#E3B85C 44%,#A9762C 100%);
  --title-grad-2:linear-gradient(100deg,#F9E6B4 0%,#E3B85C 46%,#06B6D4 100%);
  --cyan:#06B6D4;
  --cyan-bright:#45D9EE;
  --text:#F8FAFC;
  --text-2:rgba(248,250,252,.72);
  --text-3:rgba(248,250,252,.47);
  --text-4:rgba(248,250,252,.26);
  --glass:rgba(255,255,255,.05);
  --glass-2:rgba(255,255,255,.03);
  --glass-hi:rgba(255,255,255,.09);
  --hair:rgba(255,255,255,.09);
  --hair-soft:rgba(255,255,255,.05);
  --shadow-1:0 1px 0 rgba(255,255,255,.05) inset, 0 30px 70px -24px rgba(0,0,0,.65);
  --shadow-glow:0 24px 70px -18px rgba(227,184,92,.32), 0 20px 60px -20px rgba(0,0,0,.55);
  --r-xs:8px;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --ease-quart:cubic-bezier(.25,1,.5,1);
  --ease-expo:cubic-bezier(.16,1,.3,1);
  --max:1200px;
  --gutter:clamp(20px,4vw,40px);
}
[data-theme="light"]{
  --bg-base:#F4F1E8;
  --bg-deep:#EAE5D6;
  --gold:#9C6C22;
  --gold-light:#8A5A18;
  --gold-deep:#6F4712;
  --title-grad:linear-gradient(135deg,#B7832F 0%,#96661C 44%,#6B440E 100%);
  --title-grad-2:linear-gradient(100deg,#B7832F 0%,#96661C 48%,#078394 100%);
  --text:#0A0B1A;
  --text-2:rgba(10,11,26,.70);
  --text-3:rgba(10,11,26,.48);
  --text-4:rgba(10,11,26,.26);
  --glass:rgba(255,255,255,.62);
  --glass-2:rgba(255,255,255,.44);
  --glass-hi:rgba(255,255,255,.86);
  --hair:rgba(10,11,26,.10);
  --hair-soft:rgba(10,11,26,.06);
  --shadow-1:0 1px 0 rgba(255,255,255,.7) inset, 0 30px 70px -24px rgba(10,11,26,.20);
  --shadow-glow:0 24px 70px -18px rgba(168,118,44,.24), 0 20px 60px -20px rgba(10,11,26,.12);
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:'Inter','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  font-feature-settings:'cv11','ss01';
  font-size:16px;line-height:1.55;color:var(--text);background:var(--bg-base);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  min-height:100vh;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;padding:0}
a{color:inherit;text-decoration:none}
::selection{background:rgba(227,184,92,.36);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
.mono{font-family:'JetBrains Mono','PingFang SC',ui-monospace,SFMono-Regular,Menlo,monospace}

.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.bg-layer{position:absolute;inset:0;transition:opacity .55s var(--ease-quart)}
.bg-layer::before{content:"";position:absolute;inset:-20%;filter:blur(20px)}
.bg-layer.dark{background:var(--bg-base)}
.bg-layer.dark::before{
  background:
    radial-gradient(42% 34% at 14% 4%, var(--glow-a) 0%, transparent 62%),
    radial-gradient(36% 30% at 90% 12%, var(--glow-b) 0%, transparent 62%),
    radial-gradient(46% 40% at 60% 98%, var(--glow-c) 0%, transparent 62%);
}
.bg-layer.light{opacity:0;background:#F4F1E8}
.bg-layer.light::before{
  background:
    radial-gradient(42% 34% at 14% 4%, rgba(227,184,92,.20) 0%, transparent 62%),
    radial-gradient(40% 32% at 88% 10%, rgba(6,182,212,.10) 0%, transparent 62%);
}
[data-theme="light"] .bg-layer.dark{opacity:0}
[data-theme="light"] .bg-layer.light{opacity:1}

.glass{
  background:var(--glass);
  backdrop-filter:blur(22px) saturate(140%);-webkit-backdrop-filter:blur(22px) saturate(140%);
  border:1px solid var(--hair);box-shadow:var(--shadow-1);
}
.wrap{width:min(100% - var(--gutter)*2, var(--max));margin-inline:auto}

/* ---------- READING PROGRESS ---------- */
.progress{position:fixed;left:0;top:0;height:2px;width:100%;z-index:60;pointer-events:none;background:transparent}
.progress i{
  display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,#F9E6B4,#E3B85C 50%,#06B6D4 100%);
}

/* ---------- NAV ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:50;padding:16px var(--gutter) 0}
.nav-inner{
  width:min(100%,var(--max));margin-inline:auto;border-radius:var(--r-pill);
  height:60px;display:flex;align-items:center;gap:14px;padding:0 10px 0 16px;position:relative;
}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:-.01em;font-size:16px;white-space:nowrap}
.brand-mark{
  width:28px;height:28px;border-radius:var(--r-xs);background:var(--gold-grad);
  display:grid;place-items:center;color:#171002;flex:none;
  box-shadow:0 6px 18px -6px rgba(227,184,92,.7),0 0 0 1px rgba(255,255,255,.2) inset;
}
.brand .brand-en{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-3);letter-spacing:.06em;font-weight:500}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{padding:8px 13px;border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;transition:opacity .25s var(--ease-quart)}
.nav-links a:hover{opacity:.7;color:var(--text)}
.nav-links a.current{color:var(--gold)}
.btn-icon{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex:none;
  border:1px solid var(--hair);color:var(--text-2);transition:opacity .25s var(--ease-quart);
}
.btn-icon:hover{opacity:.7;color:var(--text)}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--gold-grad);color:#241703;font-weight:650;font-size:14px;
  padding:12px 22px;border-radius:var(--r-pill);box-shadow:var(--shadow-glow);
  transition:transform .35s var(--ease-expo),opacity .35s var(--ease-quart);
}
.btn-primary:hover{transform:translateY(-2px);opacity:.94}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:1px solid var(--hair);background:var(--glass);color:var(--text);
  font-weight:600;font-size:14px;padding:12px 22px;border-radius:var(--r-pill);
  transition:transform .35s var(--ease-expo),opacity .35s var(--ease-quart);
}
.btn-ghost:hover{transform:translateY(-2px);opacity:.85}
.nav-cta{padding:10px 18px;font-size:13.5px}

/* ---------- ARTICLE HERO ---------- */
.page{padding:132px 0 0}
.crumbs{display:flex;align-items:center;gap:9px;font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.04em;color:var(--text-3);margin-bottom:26px}
.crumbs a:hover{color:var(--gold)}
.crumbs .sep{opacity:.5}
.kicker{
  display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--hair);background:var(--glass-2);
  font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.12em;color:var(--gold-light);text-transform:uppercase;
}
.kicker .dot{width:5px;height:5px;border-radius:50%;background:var(--cyan);flex:none}
h1.article-title{
  margin:22px 0 0;font-size:clamp(34px,5.2vw,62px);line-height:1.16;letter-spacing:-.035em;font-weight:760;
  max-width:16em;
}
.gradient-gold{background:var(--title-grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.gradient-cyan{background:var(--title-grad-2);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.article-lead{margin:22px 0 0;max-width:44em;font-size:clamp(16px,1.7vw,19px);line-height:1.75;color:var(--text-2)}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:28px;
  padding-top:20px;border-top:1px solid var(--hair);
  font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.04em;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta svg{opacity:.75}
.cover{
  position:relative;margin-top:34px;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--hair);box-shadow:var(--shadow-1);aspect-ratio:16/7;
}
.cover img{width:100%;height:100%;object-fit:cover}
.cover::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 52%,rgba(7,8,20,.72) 100%);
}
.cover figcaption{
  position:absolute;left:22px;right:22px;bottom:18px;z-index:1;
  font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.06em;color:rgba(248,250,252,.82);
}

/* ---------- LAYOUT ---------- */
.layout{
  display:grid;grid-template-columns:212px minmax(0,1fr);gap:clamp(36px,5vw,76px);
  margin-top:clamp(56px,7vw,90px);align-items:start;
}
.toc{position:sticky;top:104px;padding:4px 0 0}
.toc h4{margin:0 0 16px;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.14em;color:var(--text-3);font-weight:600;text-transform:uppercase}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--hair)}
.toc li a{
  display:block;padding:8px 0 8px 16px;margin-left:-1px;border-left:2px solid transparent;
  font-size:13px;color:var(--text-2);line-height:1.5;transition:opacity .25s var(--ease-quart);
}
.toc li a:hover{opacity:.75;color:var(--text)}
.toc li a.active{border-left-color:var(--gold);color:var(--gold);font-weight:600}
.toc .toc-foot{margin-top:24px;padding-top:18px;border-top:1px solid var(--hair-soft)}
.toc .toc-foot a{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3)}
.toc .toc-foot a:hover{color:var(--gold)}
.article-body{max-width:740px;min-width:0;padding-bottom:20px}
.article-body h2{
  scroll-margin-top:100px;margin:0 0 18px;font-size:clamp(24px,2.7vw,31px);line-height:1.35;
  letter-spacing:-.02em;font-weight:720;padding-top:clamp(46px,5vw,66px);
}
.article-body h2 .sec{display:block;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.14em;color:var(--gold);font-weight:600;margin-bottom:10px}
.article-body h3{scroll-margin-top:100px;margin:34px 0 12px;font-size:19px;line-height:1.45;letter-spacing:-.01em;font-weight:680}
.article-body h3::before{content:"";display:inline-block;width:6px;height:6px;border-radius:2px;background:var(--cyan);vertical-align:middle;margin:0 10px 3px 0}
.article-body p{margin:0 0 18px;font-size:16.5px;line-height:1.88;color:var(--text-2)}
.article-body strong{color:var(--text);font-weight:650}
.article-body a.inline{color:var(--gold);border-bottom:1px solid var(--hair);padding-bottom:1px}
.article-body a.inline:hover{color:var(--gold-light)}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:0;list-style:none}
.article-body li{position:relative;padding-left:22px;margin-bottom:11px;font-size:16px;line-height:1.8;color:var(--text-2)}
.article-body ul li::before{content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--gold)}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li;padding-left:30px}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);position:absolute;left:0;top:1px;
  font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--gold);letter-spacing:.04em;
}
.callout{
  margin:28px 0;padding:22px 24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--hair);border-left:2px solid var(--gold);
}
.callout .lab{display:block;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.12em;color:var(--gold);margin-bottom:9px;text-transform:uppercase}
.callout p{margin:0;font-size:15.5px;line-height:1.8;color:var(--text-2)}
.note{
  margin:26px 0;padding:18px 22px;border-radius:var(--r-md);
  background:var(--glass-2);border:1px solid var(--hair);font-size:14px;line-height:1.75;color:var(--text-3);
}
.note b{color:var(--text-2);font-weight:600}
.table-wrap{margin:26px 0;overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--hair);background:var(--glass-2)}
table.data{width:100%;border-collapse:collapse;min-width:560px;font-size:14px}
table.data th,table.data td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--hair-soft);vertical-align:top}
table.data thead th{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.06em;color:var(--gold);font-weight:600;white-space:nowrap}
table.data tbody th{color:var(--text);font-weight:600;white-space:nowrap}
table.data td{color:var(--text-2);line-height:1.65}
table.data tbody tr:last-child th,table.data tbody tr:last-child td{border-bottom:0}
.table-hint{margin:-14px 0 26px;font-size:12.5px;color:var(--text-4)}

/* ---------- CTA / RELATED / FOOTER ---------- */
.article-cta{
  margin:clamp(56px,7vw,84px) 0 0;padding:clamp(28px,4vw,44px);
  border-radius:var(--r-xl);background:var(--glass);border:1px solid var(--hair);
  box-shadow:var(--shadow-1);display:grid;grid-template-columns:1fr auto;gap:26px;align-items:center;
}
.article-cta h2{padding:0;margin:0 0 10px;font-size:clamp(22px,2.6vw,29px);letter-spacing:-.02em}
.article-cta .sec{display:block;font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.14em;color:var(--gold);margin-bottom:12px}
.article-cta p{margin:0;font-size:15px;line-height:1.75;color:var(--text-2);max-width:38em}
.article-cta .actions{display:flex;gap:10px;flex-wrap:wrap}
.related{margin:clamp(66px,8vw,104px) 0 0;padding-top:clamp(40px,5vw,60px);border-top:1px solid var(--hair)}
.related-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}
.related-head h2{padding:0;margin:0;font-size:24px;letter-spacing:-.02em}
.related-head .lab{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.14em;color:var(--gold);display:block;margin-bottom:10px}
.related-head a{font-size:13px;color:var(--text-3)}
.related-head a:hover{color:var(--gold)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-card{
  display:block;padding:22px;border-radius:var(--r-lg);
  background:var(--glass-2);border:1px solid var(--hair);
  transition:transform .4s var(--ease-expo),opacity .4s var(--ease-quart);
}
.related-card:hover{transform:translateY(-4px);opacity:.9}
.related-card .idx{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.1em;color:var(--gold)}
.related-card h3{margin:12px 0 10px;font-size:17px;line-height:1.45;letter-spacing:-.01em}
.related-card h3::before{display:none}
.related-card p{margin:0;font-size:13.5px;line-height:1.7;color:var(--text-3)}
.related-card .more{display:inline-flex;align-items:center;gap:7px;margin-top:16px;font-size:12.5px;color:var(--gold)}
.site-foot{margin-top:clamp(70px,9vw,120px);padding:44px 0 50px;border-top:1px solid var(--hair)}
.site-foot .foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px}
.site-foot .brand{font-size:15px}
.site-foot .links{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13px;color:var(--text-3)}
.site-foot .links a:hover{color:var(--gold)}
.site-foot .disclaimer{margin:26px 0 0;font-size:11.5px;line-height:1.8;color:var(--text-4);max-width:86em}
.site-foot .disclaimer b{color:var(--text-3);font-weight:600}
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:40;width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;border:1px solid var(--hair);background:var(--glass-hi);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);color:var(--text-2);
  opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .3s var(--ease-quart),transform .3s var(--ease-quart);
}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}

.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease-expo),transform .7s var(--ease-expo)}
.reveal.in{opacity:1;transform:none}

/* ---------- INDEX PAGE ---------- */
.hub-hero{padding:clamp(120px,13vw,180px) 0 clamp(50px,6vw,76px)}
.hub-hero h1{margin:22px 0 0;font-size:clamp(36px,6vw,70px);line-height:1.14;letter-spacing:-.035em;font-weight:760;max-width:14em}
.hub-hero .article-lead{max-width:46em}
.hub-stats{display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:34px;padding-top:24px;border-top:1px solid var(--hair)}
.hub-stats div{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.05em;color:var(--text-3)}
.hub-stats b{color:var(--gold);font-weight:600}
.hub-list{margin-top:clamp(46px,6vw,72px)}
.hub-list .list-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:24px}
.hub-list .list-head h2{margin:0;font-size:23px;letter-spacing:-.02em}
.hub-list .list-head span{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-3)}
.post-list{display:grid;gap:16px}
.post{
  display:grid;grid-template-columns:200px minmax(0,1fr) auto;gap:clamp(18px,3vw,32px);align-items:center;
  padding:18px;border-radius:var(--r-xl);background:var(--glass-2);border:1px solid var(--hair);
  transition:transform .4s var(--ease-expo),opacity .4s var(--ease-quart);
}
.post:hover{transform:translateY(-3px);opacity:.92}
.post .thumb{position:relative;border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9}
.post .thumb img{width:100%;height:100%;object-fit:cover}
.post .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(7,8,20,.55))}
.post .thumb span{position:absolute;left:12px;bottom:10px;z-index:1;font-family:'JetBrains Mono',monospace;font-size:9.5px;letter-spacing:.08em;color:rgba(248,250,252,.85)}
.post .meta{font-family:'JetBrains Mono',monospace;font-size:10.5px;letter-spacing:.08em;color:var(--gold);margin-bottom:10px}
.post h3{margin:0 0 10px;font-size:clamp(18px,2vw,22px);line-height:1.4;letter-spacing:-.015em}
.post h3::before{display:none}
.post p{margin:0;font-size:14px;line-height:1.7;color:var(--text-3);max-width:48em}
.post .go{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--hair);color:var(--gold);flex:none}
.hub-guide{
  margin-top:clamp(50px,6vw,76px);padding:clamp(26px,3.5vw,38px);border-radius:var(--r-xl);
  background:var(--glass);border:1px solid var(--hair);
}
.hub-guide h2{margin:0 0 14px;font-size:21px;letter-spacing:-.02em}
.hub-guide p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0 0 14px}
.hub-guide ol{font-size:14px;line-height:1.8;color:var(--text-2)}

@media (max-width:1080px){
  .layout{grid-template-columns:180px minmax(0,1fr);gap:34px}
  .nav-links a{padding:8px 10px}
}
@media (max-width:900px){
  .nav-links{display:flex;margin-left:auto}
  .nav-links a{display:none}
  .nav-links a.current{display:block;padding:8px 10px}
  .layout{grid-template-columns:1fr;gap:0}
  .toc{position:static;margin-bottom:38px;padding:18px;border-radius:var(--r-lg);background:var(--glass-2);border:1px solid var(--hair)}
  .toc ol{display:flex;flex-wrap:wrap;gap:4px 12px;border-left:0}
  .toc li a{padding:4px 0;border-left:0}
  .toc li a.active{border-left:0;text-decoration:underline;text-underline-offset:4px}
  .related-grid{grid-template-columns:1fr 1fr}
  .post{grid-template-columns:150px minmax(0,1fr)}
  .post .go{display:none}
}
@media (max-width:620px){
  .nav-inner{height:56px;padding-left:12px}
  .brand .brand-en{display:none}
  .nav-cta{display:none}
  .page{padding-top:112px}
  .cover{aspect-ratio:16/10;border-radius:var(--r-lg)}
  .article-cta{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .post{grid-template-columns:1fr}
  .post .thumb{aspect-ratio:16/8}
  .article-body p,.article-body li{font-size:15.5px}
  .hub-hero{padding-top:120px}
  .to-top{right:14px;bottom:14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .progress{display:none}
}

/* ---- 共享组件（与首页一致）: BACKGROUND ---- */
.bg{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.bg-layer{position:absolute;inset:0;transition:opacity .55s var(--ease-quart)}
.bg-layer::before{content:"";position:absolute;inset:-20%;filter:blur(20px)}
.bg-layer.dark{background:var(--bg-base)}
.bg-layer.dark::before{
  background:
    radial-gradient(40% 36% at 16% 8%, var(--glow-a) 0%, transparent 62%),
    radial-gradient(36% 32% at 88% 14%, var(--glow-b) 0%, transparent 62%),
    radial-gradient(46% 42% at 60% 98%, var(--glow-c) 0%, transparent 62%);
}
.bg-layer.light{opacity:0;background:#F4F1E8}
.bg-layer.light::before{
  background:
    radial-gradient(42% 38% at 16% 8%, rgba(224,176,80,.30) 0%, transparent 62%),
    radial-gradient(36% 32% at 88% 14%, rgba(168,112,40,.16) 0%, transparent 62%),
    radial-gradient(46% 42% at 60% 98%, rgba(6,182,212,.12) 0%, transparent 62%);
}
[data-theme="light"] .bg-layer.dark{opacity:0}
[data-theme="light"] .bg-layer.light{opacity:1}
.bg-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 24%,#000 26%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 24%,#000 26%,transparent 78%);
  opacity:.55;transition:opacity .55s var(--ease-quart);
}
[data-theme="light"] .bg-grid{
  background-image:
    linear-gradient(rgba(10,11,26,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(10,11,26,.045) 1px,transparent 1px);
  opacity:.40;
}
.bg-vignette{position:absolute;inset:0;background:radial-gradient(120% 80% at 50% 30%,transparent 40%,rgba(0,0,0,.34) 100%);opacity:.7}
[data-theme="light"] .bg-vignette{opacity:0}

/* ---- 共享组件（与首页一致）: NAV ---- */
.nav{position:fixed;top:18px;left:0;right:0;z-index:60;display:flex;justify-content:center;pointer-events:none;padding:0 var(--gutter)}
.nav-inner{
  position:relative;pointer-events:auto;width:100%;max-width:1120px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:10px 12px 10px 22px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--hair);
  backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
  box-shadow:0 12px 44px -14px rgba(0,0,0,.55);
}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:-.01em;font-size:16px;white-space:nowrap}
.brand-mark{
  width:28px;height:28px;border-radius:var(--r-xs);background:var(--gold-grad);
  display:grid;place-items:center;color:#171002;flex:none;
  box-shadow:0 6px 18px -6px rgba(227,184,92,.7),0 0 0 1px rgba(255,255,255,.2) inset;
}
.brand .brand-en{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--text-3);letter-spacing:.06em;font-weight:500}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  position:relative;isolation:isolate;padding:8px 13px;border-radius:var(--r-pill);
  color:var(--text-2);font-size:14px;font-weight:500;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;
  background:var(--glass-hi);opacity:0;transition:opacity .3s var(--ease-quart);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{opacity:1}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-cta{padding:11px 20px;font-size:14px}
.nav-burger{display:none}
.nav-menu{display:none}

@media (max-width:940px){
  .nav-links,.nav-cta{display:none}
  .nav-burger{display:inline-flex}
  .nav-inner{padding:10px 12px 10px 18px}
  .nav-menu{
    display:flex;flex-direction:column;gap:3px;
    position:absolute;top:calc(100% + 12px);left:0;right:0;z-index:2;
    padding:12px;border-radius:var(--r-lg);
    background:var(--menu-bg);border:1px solid var(--hair);
    box-shadow:var(--menu-shadow);
    opacity:0;transform:translateY(-14px);pointer-events:none;
    transition:opacity .35s var(--ease-quart),transform .35s var(--ease-quart);
  }
  .nav-menu.open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-menu a{padding:12px 14px;border-radius:var(--r-md);font-size:15px;font-weight:500;color:var(--text-2)}
  .nav-menu a:hover,.nav-menu a:focus-visible{background:var(--menu-hover);color:var(--text)}
  .nav-menu a:last-child{margin-top:4px;color:var(--gold);font-weight:650;background:var(--gold-soft);border:1px solid rgba(227,184,92,.28)}
}

/* ---- 共享组件（与首页一致）: FOOTER ---- */
footer{padding:64px 0 44px;border-top:1px solid var(--hair-soft);margin-top:40px}
.foot{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:48px}
.foot-brand p{color:var(--text-2);font-size:14px;max-width:290px;margin:16px 0 0;line-height:1.75}
.foot-col h4{font-size:11.5px;font-weight:650;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);margin:0 0 16px;font-family:'JetBrains Mono',monospace}
.foot-col a{display:block;color:var(--text-2);font-size:14px;padding:6px 0;transition:opacity .3s var(--ease-quart)}
.foot-col a:hover{opacity:.6;color:var(--gold)}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  margin-top:52px;padding-top:24px;border-top:1px solid var(--hair-soft);
  color:var(--text-3);font-size:12.5px;
}
.foot-bottom .status{display:inline-flex;align-items:center;gap:9px}
.foot-bottom .status .pulse{position:relative;width:6px;height:6px;border-radius:50%;background:#4ADE80}
.foot-bottom .status .pulse::after{content:"";position:absolute;inset:0;border-radius:50%;background:#4ADE80;animation:pulse 2.4s var(--ease-quart) infinite}
.foot-disclaimer{margin-top:14px;font-size:12px;color:var(--text-3)}
@media (max-width:820px){.foot{grid-template-columns:1fr 1fr;gap:36px}}
@media (max-width:520px){.foot{grid-template-columns:1fr;gap:28px}}

/* ---- 共享组件（与首页一致）: TOAST ---- */
.toast{
  position:fixed;left:50%;bottom:32px;z-index:80;
  transform:translate(-50%,150%);opacity:0;pointer-events:none;
  display:flex;align-items:center;gap:12px;padding:14px 22px;
  border-radius:var(--r-pill);background:var(--glass-hi);border:1px solid var(--hair);
  backdrop-filter:blur(22px) saturate(180%);-webkit-backdrop-filter:blur(22px) saturate(180%);
  color:var(--text);font-size:14.5px;font-weight:550;
  box-shadow:0 22px 54px -12px rgba(0,0,0,.6);max-width:90vw;
  transition:transform .6s var(--ease-expo),opacity .4s var(--ease-quart);
}
.toast.show{transform:translate(-50%,0);opacity:1;pointer-events:auto}
.toast .ico{width:24px;height:24px;border-radius:50%;display:grid;place-items:center;flex:none;color:#1A1204;background:var(--gold-grad)}
.toast.err .ico{background:linear-gradient(135deg,#F472B6,#EF4444);color:#fff}
.toast .ico svg{width:14px;height:14px}

/* ============================================================
   WORDPRESS COMPAT - admin bar, pagination, search form
   ============================================================ */
body.admin-bar .nav{top:48px}
body.admin-bar .page,body.admin-bar .hub-hero{padding-top:164px}
.screen-reader-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.pagination{display:flex;justify-content:center;gap:8px;margin:36px 0 0;flex-wrap:wrap}
.pagination .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 12px;border-radius:var(--r-pill);border:1px solid var(--hair);background:var(--glass-2);color:var(--text-2);font-size:14px}
.pagination .page-numbers.current{background:var(--gold-grad);color:#1A1204;border-color:transparent}
.search-form{display:flex;gap:8px;max-width:520px;margin:24px 0}
.search-form input{flex:1;min-width:0;padding:12px 16px;border-radius:var(--r-pill);border:1px solid var(--hair);background:var(--glass-hi);color:var(--text);font-family:inherit;font-size:15px;outline:0}
.search-form .btn-primary{padding:12px 22px;font-size:14px}
#compliance{scroll-margin-top:96px}

/* 共享组件块位于本文件后段，reduced-motion 必须最后覆盖 */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal,.feature{opacity:1 !important;transform:none !important}
  .stage-tilt,.float-chip{transform:none !important}
  .carousel-track,.faq-a-inner,.bg-layer,.bg-grid,.nav-menu{transition:none !important}
}