/* ==========================================================================
   九五至尊3 · 全站共享样式 /assets/site.css
   新中式数字宫廷档案：宣纸奶油底 + 墨黑粗边 + 帝王朱红与鎏金
   ========================================================================== */

/* 1. Reset
   ---------------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,figcaption,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
main{display:block}

/* 2. 变量
   ---------------------------------------------------------------------- */
:root{
  --red:#B5121B;
  --red-deep:#7A0C12;
  --gold:#C9A227;
  --gold-pale:#E8D59A;
  --ink:#171412;
  --ink-soft:#3A3530;
  --jade:#2F6F68;
  --paper:#F6F0E4;
  --paper-light:#FBF7EE;
  --line:#6B6257;

  --border:2px solid var(--ink);
  --shadow-hard:5px 5px 0 var(--ink);
  --shadow-soft:3px 3px 0 var(--ink);

  --shell:1280px;
  --gutter:24px;

  --font-serif:"Noto Serif SC","Songti SC","STSong",serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",Consolas,monospace;
}

/* 3. 基础排版
   ---------------------------------------------------------------------- */
body{
  min-height:100vh;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(0deg,rgba(107,98,87,.045) 0 1px,rgba(107,98,87,0) 1px 6px);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:900;line-height:1.18;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(42px,7vw,84px)}
h2{font-size:clamp(30px,4vw,48px)}
h3{font-size:clamp(22px,2.4vw,30px);font-weight:800}
h4{font-size:20px;font-weight:800;line-height:1.4}
p{max-width:72ch}
strong,b{color:var(--red-deep);font-weight:700}
::selection{background:var(--gold-pale);color:var(--red-deep)}
:focus-visible{outline:3px solid var(--jade);outline-offset:3px}
.header-archive :focus-visible{outline-color:var(--gold)}
.site-footer :focus-visible{outline-color:var(--red)}
#main-content{scroll-margin-top:150px}

/* 4. 通用排版件
   ---------------------------------------------------------------------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(36px,5vw,76px)}
.section-head{
  display:flex;flex-wrap:wrap;gap:14px 24px;align-items:flex-end;justify-content:space-between;
  margin-bottom:28px;padding-bottom:14px;border-bottom:3px solid var(--ink);
}
.section-title{font-size:clamp(26px,3.2vw,40px);line-height:1.2}
.section-more{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;color:var(--red-deep);
  padding-bottom:3px;border-bottom:2px solid var(--gold);
}
.section-more:hover{color:var(--red);border-bottom-color:var(--red)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  letter-spacing:.24em;text-transform:uppercase;color:var(--red-deep);
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--red)}
.lede{font-size:19px;line-height:1.8;color:var(--ink-soft);max-width:64ch}
.rule-red{height:0;border:0;border-top:2px solid var(--red);width:64px;margin:18px 0}
.link{color:var(--red-deep);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}
.link:hover{text-decoration-color:var(--red)}

.prose{max-width:68ch;font-size:17px;line-height:1.85;color:var(--ink-soft)}
.prose p+p{margin-top:1em}
.prose h2,.prose h3{margin-top:1.6em;margin-bottom:.5em;color:var(--ink)}
.prose ul{display:grid;gap:.5em}
.prose ul li{position:relative;padding-left:1.4em}
.prose ul li::before{content:"·";position:absolute;left:.25em;color:var(--red);font-weight:900}
.prose a{color:var(--red-deep);text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}

/* 5. 栅格
   ---------------------------------------------------------------------- */
.grid{display:grid;gap:24px}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}

/* 6. 面板 / 标签 / 印章编号
   ---------------------------------------------------------------------- */
.panel{background:var(--paper-light);border:var(--border);box-shadow:var(--shadow-hard);padding:24px}
.panel--ink{background:var(--ink);color:var(--paper-light)}
.panel--ink h2,.panel--ink h3,.panel--ink h4{color:var(--paper-light)}
.panel--seal{background:var(--red);color:#fff}
.panel--seal h2,.panel--seal h3{color:#fff}
.panel--gold{background:var(--gold-pale)}

.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;
  font-size:12px;font-weight:700;letter-spacing:.08em;line-height:1.6;
  background:var(--gold-pale);color:var(--ink);border:1px solid var(--ink);
}
.tag--jade{background:var(--jade);border-color:var(--jade);color:#fff}
.tag--red{background:var(--red);border-color:var(--red-deep);color:#fff}
.tag--ghost{background:transparent;border-color:var(--line);color:var(--ink-soft)}

.seal-num{
  display:inline-grid;place-items:center;min-width:38px;height:38px;padding:0 8px;
  background:var(--red);color:var(--gold-pale);border:2px solid var(--gold);
  font-family:var(--font-mono);font-size:15px;font-weight:700;line-height:1;letter-spacing:.04em;
}

/* 7. 按钮
   ---------------------------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 22px;border:2px solid var(--ink);
  font-family:var(--font-sans);font-size:15px;font-weight:700;letter-spacing:.04em;
  background:var(--paper-light);color:var(--ink);box-shadow:var(--shadow-soft);cursor:pointer;
  transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease;
}
.btn:hover{transform:translate(-1px,-1px);box-shadow:5px 5px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:none}
.btn--primary{background:var(--red);border-color:var(--red-deep);color:#fff}
.btn--primary:hover{background:var(--red-deep)}
.btn--gold{background:var(--gold);color:var(--ink)}
.btn--gold:hover{background:var(--gold-pale)}
.btn--ghost{background:transparent}
.btn--sm{padding:8px 14px;font-size:13px;box-shadow:2px 2px 0 var(--ink)}
.btn--block{display:flex;width:100%}

/* 8. 面包屑
   ---------------------------------------------------------------------- */
.breadcrumb{padding-block:18px}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--line)}
.breadcrumb__item{display:inline-flex;align-items:center;gap:8px}
.breadcrumb__link{color:var(--ink-soft);border-bottom:1px solid var(--gold);padding-bottom:1px}
.breadcrumb__link:hover{color:var(--red);border-bottom-color:var(--red)}
.breadcrumb__sep{color:var(--gold);font-family:var(--font-mono)}
.breadcrumb__current{color:var(--red-deep);font-weight:700}

/* 9. 图片容器（页面阶段放置 img 占位）
   ---------------------------------------------------------------------- */
.figure{margin:0;background:var(--paper-light);border:var(--border);box-shadow:var(--shadow-hard)}
.figure__media{
  position:relative;display:block;aspect-ratio:16/10;overflow:hidden;
  background-color:var(--gold-pale);
  background-image:repeating-linear-gradient(135deg,rgba(23,20,18,.07) 0 10px,rgba(23,20,18,0) 10px 20px);
  border-bottom:2px solid var(--ink);
}
.figure__media--wide{aspect-ratio:21/9}
.figure__media--tall{aspect-ratio:3/4}
.figure__media--square{aspect-ratio:1/1}
.figure__img{width:100%;height:100%;object-fit:cover}
.figure__caption{padding:12px 16px;font-size:13px;line-height:1.65;color:var(--ink-soft)}

/* 10. 表格
   ---------------------------------------------------------------------- */
.table-scroll{overflow-x:auto;border:var(--border);box-shadow:var(--shadow-hard);background:var(--paper-light)}
.ledger{width:100%;border-collapse:collapse;font-size:15px;background:var(--paper-light)}
.ledger th,.ledger td{border:1px solid rgba(107,98,87,.45);padding:12px 14px;text-align:left;vertical-align:top}
.ledger thead th{
  background:var(--ink);color:var(--gold-pale);border-color:var(--ink);
  font-family:var(--font-sans);font-size:13px;font-weight:700;letter-spacing:.1em;
}
.ledger tbody tr:nth-child(even){background:rgba(232,213,154,.18)}
.ledger .num{font-family:var(--font-mono);font-size:14px;letter-spacing:.04em;color:var(--red-deep)}

/* 11. Skip link
   ---------------------------------------------------------------------- */
.skip-link{
  position:fixed;left:16px;top:-90px;z-index:300;
  display:inline-block;padding:12px 20px;
  background:var(--red);color:#fff;border:2px solid var(--ink);
  font-size:15px;font-weight:700;box-shadow:var(--shadow-soft);
  transition:top .2s ease;
}
.skip-link:focus{top:14px}

/* 12. 站点头部
   ---------------------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:100;background:var(--paper)}

.scroll-progress{
  position:fixed;left:0;right:0;top:0;height:3px;z-index:120;
  pointer-events:none;opacity:0;transition:opacity .2s ease;
}
.scroll-progress[data-visible]{opacity:1}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--red) 0%,var(--red) 55%,var(--gold) 100%);
}

/* 12.1 档案横楣 */
.header-archive{background:var(--ink);color:var(--paper-light);border-bottom:3px solid var(--gold)}
.header-archive__inner{display:flex;align-items:center;gap:22px;min-height:70px;padding-block:10px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__seal{
  display:grid;place-items:center;width:44px;height:44px;
  background:var(--red);color:var(--gold-pale);border:2px solid var(--gold);
  font-family:var(--font-serif);font-size:24px;font-weight:900;line-height:1;
  box-shadow:3px 3px 0 rgba(0,0,0,.5);
  transition:background-color .18s ease,color .18s ease;
}
.brand:hover .brand__seal{background:var(--gold);color:var(--red-deep)}
.brand__text{display:flex;flex-direction:column;gap:3px}
.brand__name{font-family:var(--font-serif);font-size:22px;font-weight:900;letter-spacing:.08em;color:#fff;line-height:1.1}
.brand__latin{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-pale)}
.header-archive__motto{
  margin:0;padding-left:22px;border-left:1px solid rgba(201,162,39,.5);
  font-size:12px;letter-spacing:.22em;color:var(--gold-pale);max-width:none;
}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.util-link{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;
  font-size:14px;font-weight:700;letter-spacing:.06em;
  color:var(--gold-pale);border:2px solid rgba(201,162,39,.5);background:transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.util-link::after{content:"›";font-family:var(--font-mono);font-size:15px;line-height:1}
.util-link:hover{background:rgba(201,162,39,.16);border-color:var(--gold);color:#fff}
.util-link--primary{
  background:var(--red);border-color:var(--red);color:#fff;
  box-shadow:3px 3px 0 rgba(0,0,0,.55);
}
.util-link--primary:hover{background:var(--red-deep);border-color:var(--red-deep);color:#fff}

.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:10px 12px;background:transparent;border:2px solid var(--gold);
  color:var(--gold-pale);font-size:13px;font-weight:700;letter-spacing:.08em;cursor:pointer;
}
.nav-toggle:hover{background:rgba(201,162,39,.16);color:#fff}
.nav-toggle__bars{display:grid;gap:3px}
.nav-toggle__bar{display:block;width:16px;height:2px;background:currentColor;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 12.2 主栏目带 */
.header-primary{background:var(--paper);border-bottom:3px solid var(--ink);transition:box-shadow .2s ease}
.site-header[data-stuck] .header-primary{box-shadow:0 6px 0 rgba(23,20,18,.12)}
.header-primary__inner{display:flex;align-items:center;gap:26px;min-height:64px;padding-block:8px}
.primary-nav{flex:1 1 auto;min-width:0}
.primary-nav__list{display:flex;flex-wrap:wrap;gap:2px}
.primary-nav__link{
  display:inline-block;padding:10px 12px;
  font-size:15px;font-weight:700;letter-spacing:.04em;color:var(--ink-soft);
  border-bottom:3px solid transparent;
  transition:color .16s ease,background-color .16s ease,border-color .16s ease;
}
.primary-nav__link:hover{color:var(--red);background:rgba(232,213,154,.5)}
.primary-nav__link[aria-current="page"]{color:var(--red-deep);border-bottom-color:var(--red);background:rgba(232,213,154,.4)}

/* 12.3 公告奏折条 */
.notice-strip{
  display:flex;align-items:stretch;flex:0 1 440px;min-width:280px;
  border:2px solid var(--ink);background:var(--paper-light);
  box-shadow:3px 3px 0 rgba(23,20,18,.85);
}
.notice-strip__label{
  flex:0 0 auto;display:grid;place-items:center;padding:0 10px;
  background:var(--red);color:#fff;font-size:12px;font-weight:700;letter-spacing:.18em;
}
.notice-strip__viewport{flex:1 1 auto;min-width:0;overflow:hidden;display:flex;align-items:center;height:38px}
.notice-strip__track{display:flex;align-items:stretch;white-space:nowrap;animation:ticker 42s linear infinite;will-change:transform}
.notice-strip__item{
  display:inline-flex;align-items:center;gap:8px;padding:0 18px;
  font-size:13px;color:var(--ink-soft);
  transition:color .16s ease,background-color .16s ease;
}
.notice-strip__item+.notice-strip__item{border-left:1px solid rgba(107,98,87,.4)}
.notice-strip__item:hover{color:var(--red-deep);background:rgba(232,213,154,.35)}
.notice-strip__time{font-family:var(--font-mono);font-size:12px;font-weight:700;color:var(--red)}
.notice-strip__btn{
  flex:0 0 auto;padding:0 9px;border:0;border-left:2px solid var(--ink);
  background:var(--gold-pale);color:var(--ink);
  font-size:11px;font-weight:700;letter-spacing:.12em;cursor:pointer;
  transition:background-color .16s ease;
}
.notice-strip__btn:hover{background:var(--gold)}
.notice-strip:hover .notice-strip__track,
.notice-strip:focus-within .notice-strip__track,
.notice-strip[data-paused] .notice-strip__track{animation-play-state:paused}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* 13. 站点页脚
   ---------------------------------------------------------------------- */
.site-footer{position:relative;background:var(--paper);border-top:4px solid var(--ink)}
.site-footer::before{
  content:"";display:block;height:7px;
  background:repeating-linear-gradient(90deg,var(--gold) 0 14px,rgba(201,162,39,0) 14px 28px);
}
.footer-top{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;padding-block:48px 36px}
.footer-brand__seal{
  display:grid;place-items:center;width:54px;height:54px;
  background:var(--red);color:var(--gold-pale);border:2px solid var(--gold);
  font-family:var(--font-serif);font-size:26px;font-weight:900;line-height:1;
  box-shadow:var(--shadow-soft);
}
.footer-brand__line{
  margin-top:18px;max-width:24ch;
  font-family:var(--font-serif);font-size:21px;font-weight:800;line-height:1.6;color:var(--ink);
}
.footer-brand__meta{
  margin-top:14px;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.16em;color:var(--red-deep);
}
.footer-cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.footer-col__title{
  margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--gold);
  font-family:var(--font-mono);font-size:12px;font-weight:700;
  letter-spacing:.2em;color:var(--red-deep);
}
.footer-list{display:grid;gap:10px}
.footer-list a{
  font-size:15px;color:var(--ink-soft);border-bottom:1px solid transparent;padding-bottom:1px;
  transition:color .16s ease,border-color .16s ease;
}
.footer-list a:hover{color:var(--red);border-bottom-color:var(--red)}

.footer-contact{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border:var(--border);background:var(--paper-light);box-shadow:var(--shadow-hard);
  margin-bottom:26px;
}
.contact-line{display:flex;flex-direction:column;gap:8px;padding:20px 22px;border-right:1px solid rgba(107,98,87,.4)}
.contact-line:last-child{border-right:0}
.contact-line__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--red-deep)}
.contact-line__value{font-size:15px;font-weight:700;color:var(--ink);word-break:break-word;line-height:1.5}
.contact-line__row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.copy-btn{
  padding:6px 12px;background:var(--gold-pale);border:1px solid var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--ink);cursor:pointer;
  transition:background-color .16s ease,color .16s ease;
}
.copy-btn:hover{background:var(--gold)}
.copy-btn[data-copied]{background:var(--jade);border-color:var(--jade);color:#fff}

.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px 24px;
  margin-top:6px;padding-block:18px 32px;border-top:2px solid var(--ink);
}
.footer-note{max-width:58ch;font-size:13px;line-height:1.65;color:var(--ink-soft)}
.footer-legal{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-legal__link{
  font-size:13px;font-weight:700;color:var(--red-deep);
  padding-bottom:2px;border-bottom:2px solid var(--gold);
}
.footer-legal__link:hover{color:var(--red);border-bottom-color:var(--red)}

.footer-inkline{background:var(--ink);border-top:3px solid var(--gold)}
.footer-inkline__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;
  padding-block:16px;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  color:rgba(251,247,238,.72);
}
.footer-icp{max-width:none}
.footer-copy{max-width:none;color:var(--gold-pale)}

/* 14. 响应式
   ---------------------------------------------------------------------- */
@media (max-width:1200px){
  .header-primary__inner{flex-wrap:wrap;gap:10px 26px;padding-block:10px}
  .notice-strip{flex:1 1 100%;min-width:0}
}

@media (max-width:1080px){
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
  .span-3,.span-4,.span-5{grid-column:span 3}
  .span-6,.span-7,.span-8{grid-column:span 6}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 20px}
  .footer-contact{grid-template-columns:1fr}
  .contact-line{border-right:0;border-bottom:1px solid rgba(107,98,87,.4)}
  .contact-line:last-child{border-bottom:0}
}

@media (max-width:900px){
  :root{--gutter:16px}
  .header-archive__inner{gap:12px;min-height:64px}
  .header-archive__motto{display:none}
  .brand__name{font-size:19px}
  .brand__latin{font-size:9.5px;letter-spacing:.18em}
  .brand__seal{width:38px;height:38px;font-size:20px}
  .header-tools{gap:8px}
  .util-link{padding:8px 10px;font-size:13px;letter-spacing:.02em}
  .util-link::after{display:none}
  .nav-toggle{display:inline-flex}

  .header-primary{max-height:0;overflow:hidden;border-bottom-width:0;box-shadow:none;transition:max-height .38s ease}
  .header-primary[data-open]{max-height:82vh;overflow-y:auto;border-bottom-width:3px}
  .header-primary__inner{flex-direction:column;align-items:stretch;gap:14px;padding-block:16px}
  .primary-nav{flex:1 1 auto}
  .primary-nav__list{flex-direction:column;gap:0}
  .primary-nav__link{
    display:block;padding:13px 12px;
    border-bottom:1px solid rgba(107,98,87,.35);
    border-left:3px solid transparent;
  }
  .primary-nav__link[aria-current="page"]{
    border-bottom-color:rgba(107,98,87,.35);
    border-left-color:var(--red);
    background:rgba(232,213,154,.5);
  }
  .notice-strip{flex:1 1 auto;box-shadow:none}
  .notice-strip__viewport{height:36px}
  .footer-brand__line{max-width:none;font-size:19px}
}

@media (max-width:640px){
  body{font-size:16px}
  .grid--12,.grid--2,.grid--3{grid-template-columns:1fr}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8,.span-12{grid-column:1/-1}
  .grid{gap:16px}
  .footer-cols{grid-template-columns:1fr}
  .footer-base{padding-block:16px 26px}
  .footer-legal{gap:8px 14px}
  .brand__latin{display:none}
  .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start}
}

/* 15. 动效降级
   ---------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .notice-strip__track{animation:none;transform:none;white-space:normal;flex-wrap:wrap}
  .notice-strip__viewport{height:auto;overflow-x:auto;padding-block:6px}
  .notice-strip__item--clone{display:none}
  .notice-strip__btn{display:none}
  .btn:hover{transform:none;box-shadow:var(--shadow-soft)}
  .scroll-progress{display:none}
}