/* ==========================================================================
   辉煌CN · 共享样式 /assets/site.css
   档案室 × 信号台：墨蓝为底，暖金为信号，冷银为索引台
   ========================================================================== */

/* 1. 设计变量 */
:root{
  --hh-ink:#0A1A2A;
  --hh-midnight:#10263D;
  --hh-gold:#D6A84B;
  --hh-gold-bright:#F2C66D;
  --hh-amber:#E8792E;
  --hh-silver:#E8EDF2;
  --hh-paper:#F7F4EE;
  --hh-text:#14202B;
  --hh-line:#B8C2CC;
  --hh-cyan:#2FD1C5;
  --hh-on-dark:#EDF1F5;
  --hh-on-dark-dim:rgba(237,241,245,.68);
  --hh-on-dark-line:rgba(184,194,204,.24);
  --hh-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --hh-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --hh-mono:"JetBrains Mono","SFMono-Regular","Cascadia Mono",Consolas,monospace;
  --hh-shadow-hard:6px 6px 0 rgba(10,26,42,.82);
  --hh-shadow-gold:6px 6px 0 rgba(214,168,75,.26);
  --hh-shadow-soft:0 18px 40px rgba(6,16,26,.35);
  --hh-wrap:1240px;
  --hh-gutter:clamp(1.25rem,4vw,3rem);
  --hh-ease:cubic-bezier(.22,.68,.31,1);
}

/* 2. Reset */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;background:var(--hh-ink);color:var(--hh-on-dark);font-family:var(--hh-sans);font-size:1rem;line-height:1.75;letter-spacing:.01em;text-rendering:optimizeLegibility;}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;}
table{border-collapse:collapse;width:100%;}
:where(a,button,input,select,textarea,summary,[tabindex]):focus-visible{outline:3px solid var(--hh-cyan);outline-offset:3px;border-radius:1px;}
::selection{background:var(--hh-gold);color:var(--hh-ink);}

/* 3. 中文排版与通用元素 */
.hh-container{width:min(var(--hh-wrap),100% - var(--hh-gutter));margin-inline:auto;}
.hh-section{padding-block:clamp(2.5rem,6vw,5rem);}
.hh-divider{height:0;border:0;border-top:2px solid var(--hh-on-dark-line);margin-block:clamp(1.5rem,3vw,2.5rem);}
.hh-title{font-family:var(--hh-serif);font-weight:900;line-height:1.18;letter-spacing:.01em;}
.hh-lede{font-size:clamp(1rem,1.4vw,1.125rem);line-height:1.8;color:var(--hh-on-dark-dim);max-width:62ch;}
.hh-eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--hh-mono);font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:var(--hh-gold);}
.hh-eyebrow::before{content:"";width:28px;height:2px;background:var(--hh-gold);}
.hh-mono{font-family:var(--hh-mono);font-size:.8125rem;letter-spacing:.08em;}
.hh-prose{background:var(--hh-paper);color:var(--hh-text);padding:clamp(1.5rem,4vw,3rem);border:2px solid var(--hh-line);box-shadow:var(--hh-shadow-hard);}
.hh-prose > * + *{margin-top:1.15em;}
.hh-prose h2,.hh-prose h3{font-family:var(--hh-serif);font-weight:800;line-height:1.3;}
.hh-prose h2{font-size:clamp(1.4rem,2.4vw,2rem);}
.hh-prose h3{font-size:clamp(1.15rem,1.8vw,1.45rem);}
.hh-prose a{color:var(--hh-ink);border-bottom:2px solid var(--hh-gold);}
.hh-prose a:hover{background:var(--hh-gold-bright);}
.hh-prose ul,.hh-prose ol{padding-left:1.4em;}
.hh-prose ul li{list-style:square;}
.hh-prose ol li{list-style:decimal;}
.hh-prose blockquote{border-left:4px solid var(--hh-amber);padding-left:1.1rem;color:#2c3a47;font-family:var(--hh-serif);}

/* 4. 跳转链接 */
.hh-skip{position:absolute;left:1rem;top:-120px;z-index:200;padding:.75rem 1.15rem;background:var(--hh-gold);color:var(--hh-ink);font-weight:700;transition:top .18s var(--hh-ease);}
.hh-skip:focus{top:.75rem;}

/* 5. 头部 */
.hh-header{position:sticky;top:0;z-index:80;background:var(--hh-ink);color:var(--hh-on-dark);border-bottom:3px solid var(--hh-gold);box-shadow:0 12px 32px rgba(4,12,20,.45);}
.hh-header::before{content:"";display:block;height:6px;background:repeating-linear-gradient(90deg,rgba(214,168,75,.65) 0 2px,transparent 2px 14px);opacity:.5;}
.hh-header__inner{width:min(var(--hh-wrap),100% - var(--hh-gutter));margin-inline:auto;display:flex;align-items:center;gap:1.25rem;min-height:78px;padding-block:.65rem;}
.hh-header__left{display:flex;align-items:center;gap:.9rem;flex:0 0 auto;}

.hh-brand{display:flex;align-items:center;gap:.75rem;padding:.2rem 0;}
.hh-brand__mark{display:grid;place-items:center;width:44px;height:44px;flex:0 0 auto;border:2px solid var(--hh-gold);background:linear-gradient(160deg,rgba(214,168,75,.2),rgba(214,168,75,0));color:var(--hh-gold-bright);font-family:var(--hh-mono);font-size:.875rem;font-weight:700;letter-spacing:.1em;box-shadow:3px 3px 0 rgba(214,168,75,.3);}
.hh-brand__text{display:flex;flex-direction:column;gap:.1rem;line-height:1.15;}
.hh-brand__name{font-family:var(--hh-serif);font-weight:900;font-size:1.3rem;letter-spacing:.02em;color:var(--hh-on-dark);}
.hh-brand__tagline{font-size:.72rem;letter-spacing:.05em;color:var(--hh-on-dark-dim);white-space:nowrap;}
.hh-brand:hover .hh-brand__name{color:var(--hh-gold-bright);}

.hh-beacon{display:inline-flex;align-items:center;gap:.45rem;padding:.35rem .65rem;border:1px solid rgba(232,121,46,.55);background:rgba(232,121,46,.1);color:var(--hh-gold-bright);font-family:var(--hh-mono);font-size:.72rem;letter-spacing:.1em;white-space:nowrap;transition:background .18s var(--hh-ease),color .18s var(--hh-ease);}
.hh-beacon:hover{background:var(--hh-amber);color:#fff;}
.hh-beacon__dot{width:8px;height:8px;flex:0 0 auto;border-radius:50%;background:var(--hh-amber);box-shadow:0 0 0 3px rgba(232,121,46,.18);animation:hh-pulse 3.4s ease-in-out infinite;}
@keyframes hh-pulse{0%,100%{opacity:1;box-shadow:0 0 0 3px rgba(232,121,46,.18);}50%{opacity:.55;box-shadow:0 0 0 6px rgba(232,121,46,.05);}}

.hh-nav{display:flex;align-items:center;gap:1rem;margin-left:auto;flex-wrap:wrap;justify-content:flex-end;}
.hh-nav__list{display:flex;align-items:center;gap:.1rem;flex-wrap:wrap;justify-content:flex-end;}
.hh-nav__link{display:block;padding:.5rem .62rem;font-size:.85rem;font-weight:500;color:var(--hh-on-dark);border-bottom:2px solid transparent;transition:color .18s var(--hh-ease),border-color .18s var(--hh-ease),background .18s var(--hh-ease);}
.hh-nav__link:hover{color:var(--hh-gold-bright);border-bottom-color:var(--hh-gold);background:rgba(214,168,75,.08);}
.hh-nav__link[aria-current="page"]{color:var(--hh-gold-bright);border-bottom-color:var(--hh-amber);font-weight:700;}

.hh-utils{display:flex;align-items:center;gap:.4rem;padding-left:.9rem;border-left:1px solid var(--hh-on-dark-line);}
.hh-utils__link{padding:.32rem .5rem;border:1px solid var(--hh-on-dark-line);font-family:var(--hh-mono);font-size:.72rem;letter-spacing:.08em;color:var(--hh-on-dark-dim);transition:color .18s var(--hh-ease),background .18s var(--hh-ease),border-color .18s var(--hh-ease);}
.hh-utils__link:hover{color:var(--hh-ink);background:var(--hh-gold);border-color:var(--hh-gold);}

.hh-navtoggle{display:none;align-items:center;gap:.55rem;margin-left:auto;padding:.5rem .7rem;border:2px solid rgba(214,168,75,.55);background:transparent;color:var(--hh-gold-bright);font-family:var(--hh-mono);font-size:.72rem;letter-spacing:.12em;cursor:pointer;}
.hh-navtoggle:hover{background:rgba(214,168,75,.14);}
.hh-navtoggle__bars{position:relative;display:block;width:18px;height:12px;}
.hh-navtoggle__bars::before,.hh-navtoggle__bars::after{content:"";position:absolute;left:0;width:100%;height:2px;background:currentColor;transition:transform .2s var(--hh-ease),top .2s var(--hh-ease);}
.hh-navtoggle__bars::before{top:0;}
.hh-navtoggle__bars::after{top:10px;}
.hh-navtoggle[aria-expanded="true"] .hh-navtoggle__bars::before{top:5px;transform:rotate(45deg);}
.hh-navtoggle[aria-expanded="true"] .hh-navtoggle__bars::after{top:5px;transform:rotate(-45deg);}

.hh-progress{position:absolute;left:0;right:0;bottom:-3px;height:3px;background:rgba(214,168,75,.14);pointer-events:none;}
.hh-progress__bar{display:block;width:100%;height:100%;background:linear-gradient(90deg,var(--hh-amber),var(--hh-gold-bright) 58%,var(--hh-cyan));transform:scaleX(0);transform-origin:0 50%;}

/* 6. 页脚 */
.hh-footer{background:var(--hh-ink);color:var(--hh-on-dark);border-top:3px solid var(--hh-gold);}
.hh-footer__rail{height:8px;background:repeating-linear-gradient(90deg,rgba(214,168,75,.7) 0 6px,transparent 6px 20px);opacity:.4;}
.hh-footer__inner{width:min(var(--hh-wrap),100% - var(--hh-gutter));margin-inline:auto;padding-block:clamp(2.25rem,5vw,3.75rem) 1.5rem;}
.hh-footer__grid{display:grid;grid-template-columns:1.35fr 1.25fr .85fr 1.25fr;gap:clamp(1.5rem,3vw,2.75rem);}
.hh-footer__col{min-width:0;}
.hh-footer__col--anchor{border-left:2px solid var(--hh-gold);padding-left:clamp(.9rem,2vw,1.4rem);}
.hh-footer__title{font-family:var(--hh-serif);font-weight:800;font-size:1.05rem;letter-spacing:.02em;color:var(--hh-gold-bright);margin-bottom:.75rem;}
.hh-footer__text{font-size:.875rem;line-height:1.75;color:var(--hh-on-dark-dim);max-width:34ch;}
.hh-footer__text--note{margin-top:.85rem;font-size:.78rem;border-top:1px dashed var(--hh-on-dark-line);padding-top:.7rem;}
.hh-footer__mono{font-family:var(--hh-mono);font-size:.75rem;letter-spacing:.1em;color:var(--hh-on-dark-dim);}
.hh-footer__icp{margin-top:.9rem;}
.hh-footer__cta{display:inline-block;margin-top:.9rem;padding:.5rem .8rem;border:2px solid var(--hh-gold);color:var(--hh-gold-bright);font-size:.8rem;font-weight:600;box-shadow:4px 4px 0 rgba(214,168,75,.2);transition:background .18s var(--hh-ease),color .18s var(--hh-ease),box-shadow .18s var(--hh-ease);}
.hh-footer__cta:hover{background:var(--hh-gold);color:var(--hh-ink);box-shadow:2px 2px 0 rgba(214,168,75,.3);}
.hh-footer__list{display:flex;flex-direction:column;gap:.45rem;}
.hh-footer__link{display:inline-block;font-size:.875rem;color:var(--hh-on-dark);border-bottom:1px solid transparent;padding-bottom:1px;transition:color .18s var(--hh-ease),border-color .18s var(--hh-ease);}
.hh-footer__link:hover{color:var(--hh-gold-bright);border-bottom-color:var(--hh-gold);}
.hh-footer__list--contact{gap:.65rem;}
.hh-footer__list--contact li{display:flex;flex-direction:column;gap:.1rem;}
.hh-footer__label{font-family:var(--hh-mono);font-size:.7rem;letter-spacing:.14em;color:var(--hh-gold);text-transform:uppercase;}
.hh-footer__value{font-size:.85rem;line-height:1.6;color:var(--hh-on-dark);word-break:break-word;}
.hh-footer__bottom{margin-top:clamp(1.75rem,4vw,2.75rem);padding-top:1.1rem;border-top:1px solid var(--hh-on-dark-line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.85rem;}
.hh-footer__legal{display:flex;flex-wrap:wrap;gap:.35rem 1.1rem;}
.hh-footer__legal-link{font-size:.8rem;color:var(--hh-on-dark-dim);border-bottom:1px solid var(--hh-on-dark-line);padding-bottom:1px;transition:color .18s var(--hh-ease),border-color .18s var(--hh-ease);}
.hh-footer__legal-link:hover{color:var(--hh-gold-bright);border-bottom-color:var(--hh-gold);}
.hh-footer__copyright{font-family:var(--hh-mono);font-size:.75rem;letter-spacing:.06em;color:var(--hh-on-dark-dim);}
.hh-footer__num{font-weight:700;color:var(--hh-gold-bright);letter-spacing:.12em;}

/* 7. 按钮 */
.hh-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.72rem 1.35rem;border:2px solid var(--hh-gold);background:transparent;color:var(--hh-gold-bright);font-family:var(--hh-sans);font-size:.9rem;font-weight:700;letter-spacing:.02em;cursor:pointer;box-shadow:var(--hh-shadow-gold);transition:transform .16s var(--hh-ease),background .16s var(--hh-ease),color .16s var(--hh-ease),box-shadow .16s var(--hh-ease);}
.hh-btn:hover{background:var(--hh-gold);color:var(--hh-ink);transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(214,168,75,.3);}
.hh-btn:active{transform:translate(2px,2px);box-shadow:2px 2px 0 rgba(214,168,75,.35);}
.hh-btn--gold{background:var(--hh-gold);color:var(--hh-ink);box-shadow:var(--hh-shadow-hard);}
.hh-btn--gold:hover{background:var(--hh-gold-bright);color:var(--hh-ink);box-shadow:8px 8px 0 rgba(10,26,42,.6);}
.hh-btn--ink{background:var(--hh-ink);color:var(--hh-gold-bright);border-color:var(--hh-ink);box-shadow:6px 6px 0 rgba(20,32,43,.25);}
.hh-btn--ink:hover{background:var(--hh-midnight);color:var(--hh-gold-bright);}
.hh-btn--ghost{color:var(--hh-on-dark);border-color:var(--hh-on-dark-line);box-shadow:none;}
.hh-btn--ghost:hover{background:rgba(214,168,75,.14);color:var(--hh-gold-bright);border-color:var(--hh-gold);box-shadow:none;}

/* 8. 面包屑 */
.hh-breadcrumb{margin-bottom:clamp(1rem,2.5vw,1.75rem);}
.hh-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-family:var(--hh-mono);font-size:.75rem;letter-spacing:.06em;color:var(--hh-on-dark-dim);}
.hh-breadcrumb li{display:flex;align-items:center;gap:.45rem;}
.hh-breadcrumb li + li::before{content:"/";color:rgba(184,194,204,.5);}
.hh-breadcrumb a{color:var(--hh-on-dark-dim);border-bottom:1px solid transparent;}
.hh-breadcrumb a:hover{color:var(--hh-gold-bright);border-bottom-color:var(--hh-gold);}
.hh-breadcrumb [aria-current="page"]{color:var(--hh-gold);}

/* 9. 网格 */
.hh-grid{display:grid;gap:clamp(1rem,2.4vw,1.75rem);}
.hh-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.hh-grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.hh-grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
.hh-split{display:grid;grid-template-columns:minmax(0,36fr) minmax(0,64fr);gap:clamp(1.25rem,3vw,2.5rem);align-items:start;}

/* 10. 卡片、标签、徽标 */
.hh-card{position:relative;border:2px solid var(--hh-line);background:var(--hh-paper);color:var(--hh-text);padding:clamp(1.1rem,2.4vw,1.6rem);box-shadow:var(--hh-shadow-hard);transition:transform .2s var(--hh-ease),box-shadow .2s var(--hh-ease),border-color .2s var(--hh-ease);}
.hh-card:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 rgba(10,26,42,.85);border-color:var(--hh-gold);}
.hh-card--silver{background:var(--hh-silver);}
.hh-card--dark{background:var(--hh-midnight);color:var(--hh-on-dark);border-color:rgba(184,194,204,.35);box-shadow:6px 6px 0 rgba(0,0,0,.45);}
.hh-card--dark:hover{border-color:var(--hh-gold);box-shadow:9px 9px 0 rgba(0,0,0,.55);}
.hh-tag{display:inline-flex;align-items:center;gap:.35rem;padding:.22rem .55rem;border:1px solid var(--hh-line);background:var(--hh-silver);color:var(--hh-text);font-family:var(--hh-mono);font-size:.75rem;letter-spacing:.06em;cursor:pointer;transition:background .16s var(--hh-ease),color .16s var(--hh-ease),border-color .16s var(--hh-ease);}
.hh-tag:hover{border-color:var(--hh-amber);color:var(--hh-ink);}
.hh-tag--active{background:var(--hh-gold);border-color:var(--hh-gold);color:var(--hh-ink);font-weight:700;}
.hh-badge{display:inline-flex;align-items:center;gap:.35rem;padding:.18rem .5rem;background:rgba(232,121,46,.14);border:1px solid rgba(232,121,46,.5);color:var(--hh-amber);font-family:var(--hh-mono);font-size:.7rem;font-weight:700;letter-spacing:.12em;}

/* 11. 图片容器基础规则（页面阶段放置占位图） */
.hh-media{position:relative;display:block;overflow:hidden;aspect-ratio:16/10;background:linear-gradient(140deg,var(--hh-midnight),#0d2135 62%,rgba(214,168,75,.18));border:2px solid var(--hh-line);box-shadow:var(--hh-shadow-hard);}
.hh-media img,.hh-media svg{width:100%;height:100%;object-fit:cover;}
.hh-media--wide{aspect-ratio:21/9;}
.hh-media--tall{aspect-ratio:3/4;}
.hh-media--square{aspect-ratio:1/1;}
.hh-media--dark{border-color:rgba(184,194,204,.35);}
.hh-media__caption{position:absolute;left:0;right:0;bottom:0;padding:.6rem .8rem;background:rgba(10,26,42,.82);color:var(--hh-on-dark);font-family:var(--hh-mono);font-size:.72rem;letter-spacing:.06em;}
.hh-media-figure{display:block;}
.hh-media-figure figcaption{margin-top:.6rem;font-family:var(--hh-mono);font-size:.72rem;letter-spacing:.06em;color:var(--hh-on-dark-dim);}

/* 12. 滚动显现（HTML 无 JS 时保持可见） */
html.hh-js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .55s var(--hh-ease),transform .55s var(--hh-ease);transition-delay:var(--hh-delay,0ms);}
html.hh-js [data-reveal].is-in{opacity:1;transform:none;}

/* 13. 响应式 */
@media (max-width:1024px){
  .hh-navtoggle{display:inline-flex;}
  .hh-header__inner{flex-wrap:wrap;min-height:72px;position:relative;}
  .hh-brand__tagline{display:none;}
  .hh-nav{position:absolute;left:calc(var(--hh-gutter) / -2);right:calc(var(--hh-gutter) / -2);top:100%;display:none;flex-direction:column;align-items:stretch;gap:0;margin-left:0;padding:.85rem var(--hh-gutter) 1.35rem;background:var(--hh-midnight);border-top:2px solid rgba(214,168,75,.4);border-bottom:3px solid var(--hh-gold);box-shadow:0 22px 44px rgba(4,12,20,.6);max-height:calc(100vh - 84px);overflow-y:auto;}
  .hh-nav[data-open]{display:flex;}
  .hh-nav__list{flex-direction:column;align-items:stretch;gap:.1rem;}
  .hh-nav__link{padding:.8rem .4rem;font-size:.98rem;border-bottom:1px solid var(--hh-on-dark-line);}
  .hh-nav__link:hover,.hh-nav__link[aria-current="page"]{background:rgba(214,168,75,.1);}
  .hh-utils{margin-top:.9rem;padding-left:0;padding-top:.9rem;border-left:0;border-top:1px solid var(--hh-on-dark-line);flex-wrap:wrap;}
  .hh-utils__link{font-size:.75rem;padding:.45rem .7rem;}
  .hh-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hh-split{grid-template-columns:minmax(0,1fr);}
  .hh-grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hh-grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:640px){
  .hh-beacon{display:none;}
  .hh-brand__mark{width:38px;height:38px;font-size:.78rem;}
  .hh-brand__name{font-size:1.12rem;}
  .hh-footer__grid{grid-template-columns:minmax(0,1fr);}
  .hh-footer__col--anchor{border-left:0;border-top:2px solid var(--hh-gold);padding-left:0;padding-top:1rem;}
  .hh-grid--2,.hh-grid--3,.hh-grid--4{grid-template-columns:minmax(0,1fr);}
  .hh-footer__bottom{flex-direction:column;align-items:flex-start;}
  .hh-btn{width:100%;}
}

/* 14. 动效降级 */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .hh-beacon__dot{animation:none;opacity:1;}
  html.hh-js [data-reveal]{opacity:1;transform:none;transition:none;}
  .hh-card:hover,.hh-btn:hover,.hh-btn:active{transform:none;}
}