/* ============================================================
   新莆京娱乐 · 共享站点样式 /assets/site.css
   档案室兼茶馆：暖灰纸 + 墨绿档案盒 + 砂金编号 + 朱红操作
   ============================================================ */

:root{
  --ink-green:#0E3B32;
  --deep-green:#14584A;
  --sand:#C9A227;
  --vermilion:#D9482B;
  --vermilion-dark:#B93A20;
  --paper:#F4EFE4;
  --paper-2:#E8DFCF;
  --card-paper:#FBF7EE;
  --ink:#2B2A26;
  --muted:#7A8B7F;
  --wine:#6E2A2A;
  --indigo:#243B4A;

  --shell:1240px;
  --gutter:clamp(1rem,4vw,2.5rem);
  --radius-leaf:18px 4px 18px 4px;
  --radius-pill:999px;

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-num:"DIN Condensed","Barlow Condensed","IBM Plex Mono","SFMono-Regular",ui-monospace,monospace;
  --font-note:"Kaiti SC","KaiTi","STKaiti","Noto Serif SC",serif;

  --line:rgba(43,42,38,.14);
  --line-light:rgba(244,239,228,.16);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:5rem}
body{margin:0}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,pre{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
input,select,textarea{font:inherit}

/* ---------- 中文排版基线 ---------- */
body{
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:repeating-linear-gradient(0deg,rgba(43,42,38,.026) 0 1px,transparent 1px 5px);
  letter-spacing:.01em;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:900;line-height:1.12;color:var(--ink-green)}
h1{font-size:clamp(2.15rem,5.2vw,4rem)}
h2{font-size:clamp(1.55rem,3vw,2.4rem)}
h3{font-size:clamp(1.2rem,1.9vw,1.6rem)}
p{max-width:68ch}
strong{font-weight:700}
small{font-size:.82rem}
:where(a,button,summary,[tabindex]):focus-visible{outline:3px solid var(--vermilion);outline-offset:3px;border-radius:2px}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 布局容器 ---------- */
.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(2.5rem,6vw,4.5rem)}
.section--paper{background:var(--paper-2)}
.section--ink{background:var(--ink-green);color:var(--paper)}
.section--ink h1,.section--ink h2,.section--ink h3{color:var(--paper)}
.lede{font-size:clamp(1.05rem,1.6vw,1.25rem);line-height:1.7;color:var(--deep-green);max-width:56ch}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:-120px;left:1rem;z-index:200;
  display:inline-block;padding:.75rem 1.15rem;
  background:var(--vermilion);color:#fff;
  font-family:var(--font-display);font-weight:900;font-size:.95rem;
  border-radius:var(--radius-leaf);
  transition:top .18s ease;
}
.skip-link:focus{top:1rem}
.skip-link:focus-visible{outline:3px solid #fff;outline-offset:2px}

/* ---------- 顶部状态带 ---------- */
.utility-strip{background:var(--ink-green);color:var(--paper)}
.utility-inner{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding-block:.45rem;
  font-family:var(--font-num);font-size:.78rem;letter-spacing:.12em;
  color:rgba(244,239,228,.82);
}
.utility-note{display:flex;align-items:center;gap:.55rem;max-width:none}
.utility-note--end{letter-spacing:.1em;color:var(--sand)}
.utility-dot{
  width:.5rem;height:.5rem;border-radius:50%;
  background:var(--sand);box-shadow:0 0 0 3px rgba(201,162,39,.22);
  flex:0 0 auto;
}

/* ---------- 居中刊头 ---------- */
.masthead{position:relative;background:var(--paper);padding-block:1.15rem 1.05rem}
.masthead::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,rgba(201,162,39,0) 0%,var(--sand) 20%,var(--ink-green) 52%,var(--sand) 86%,rgba(201,162,39,0) 100%);
}
.masthead-inner{position:relative;display:flex;align-items:center;justify-content:center}
.brand{display:inline-flex;align-items:center;gap:.8rem;text-align:left}
.brand-mark{
  display:grid;place-items:center;flex:0 0 auto;
  width:2.75rem;height:2.75rem;
  background:var(--ink-green);color:var(--sand);
  font-family:var(--font-display);font-weight:900;font-size:1.3rem;line-height:1;
  border-radius:var(--radius-leaf);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{
  font-family:var(--font-display);font-weight:900;
  font-size:clamp(1.45rem,3.6vw,2.1rem);letter-spacing:.08em;
  color:var(--ink-green);
}
.brand-sub{
  margin-top:.3rem;
  font-family:var(--font-num);font-size:.7rem;letter-spacing:.3em;
  color:var(--muted);
}

/* ---------- 移动端目录按钮 ---------- */
.nav-toggle{
  display:none;position:absolute;right:0;top:50%;transform:translateY(-50%);
  align-items:center;gap:.5rem;
  padding:.5rem .75rem;
  border:2px solid var(--ink-green);border-radius:var(--radius-leaf);
  font-family:var(--font-display);font-weight:900;font-size:.85rem;letter-spacing:.06em;
  color:var(--ink-green);background:transparent;
  transition:background-color .18s ease,color .18s ease;
}
.nav-toggle:hover{background:var(--ink-green);color:var(--sand)}
.nav-toggle-bars{position:relative;display:block;width:16px;height:2px;background:currentColor;transition:background-color .18s ease}
.nav-toggle-bars::before,.nav-toggle-bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:currentColor;
  transition:transform .18s ease,top .18s ease;
}
.nav-toggle-bars::before{top:-5px}
.nav-toggle-bars::after{top:5px}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after{top:0;transform:rotate(-45deg)}
.nav-toggle-label{line-height:1}

/* ---------- 导航条 ---------- */
.site-nav{background:var(--ink-green);color:var(--paper);border-top:1px solid rgba(201,162,39,.32)}
.nav-list{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:stretch;
  max-width:var(--shell);margin-inline:auto;
}
.nav-item{display:flex}
.nav-item + .nav-item{border-left:1px solid var(--line-light)}
.nav-link{
  display:flex;align-items:baseline;gap:.5rem;
  padding:.95rem clamp(.75rem,2vw,1.5rem);
  font-family:var(--font-display);font-weight:700;font-size:1rem;letter-spacing:.05em;
  color:rgba(244,239,228,.9);
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{background:rgba(201,162,39,.16);color:#fff}
.nav-link:focus-visible{outline-color:var(--sand);outline-offset:-3px}
.nav-num{
  font-family:var(--font-num);font-size:.72rem;letter-spacing:.12em;
  color:var(--sand);line-height:1;
}
.nav-link[aria-current="page"]{background:var(--sand);color:var(--ink-green)}
.nav-link[aria-current="page"]:hover{background:var(--sand);color:var(--ink-green)}
.nav-link[aria-current="page"] .nav-num{color:var(--ink-green)}

/* ---------- 阅读进度 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:3px;z-index:120;
  pointer-events:none;background:rgba(14,59,50,.1);
}
.scroll-progress span{
  display:block;height:100%;width:100%;
  background:linear-gradient(90deg,var(--sand),var(--vermilion));
  transform:scaleX(0);transform-origin:0 50%;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.85rem 1.35rem;
  font-family:var(--font-display);font-weight:900;font-size:.95rem;letter-spacing:.05em;line-height:1.15;
  border:2px solid transparent;border-radius:var(--radius-leaf);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-arrow{display:inline-block;transition:transform .18s ease}
.btn:hover .btn-arrow{transform:translateX(3px)}
.btn--accent{background:var(--vermilion);color:#fff;border-color:var(--vermilion)}
.btn--accent:hover{background:var(--vermilion-dark);border-color:var(--vermilion-dark)}
.btn--solid{background:var(--ink-green);color:var(--paper);border-color:var(--ink-green)}
.btn--solid:hover{background:var(--deep-green);border-color:var(--deep-green)}
.btn--line{background:transparent;color:var(--ink-green);border-color:var(--ink-green)}
.btn--line:hover{background:var(--ink-green);color:var(--paper)}
.btn--sand{background:var(--sand);color:var(--ink-green);border-color:var(--sand)}
.btn--sand:hover{background:#b5921f;border-color:#b5921f}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-green);color:rgba(244,239,228,.86)}
.footer-band{
  background:var(--deep-green);
  border-top:5px solid var(--sand);
  padding-block:clamp(2.25rem,5vw,3.5rem);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.45fr .8fr 1.05fr .8fr;
  gap:clamp(1.5rem,3vw,2.75rem);
  align-items:start;
}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start}
.brand--footer .brand-name{color:var(--paper);font-size:clamp(1.35rem,2.6vw,1.75rem)}
.brand--footer .brand-sub{color:rgba(244,239,228,.6)}
.brand--footer .brand-mark{background:var(--sand);color:var(--ink-green)}
.footer-summary{
  margin-block:1.1rem 1.35rem;
  max-width:34ch;
  font-size:.95rem;line-height:1.75;
  color:rgba(244,239,228,.78);
}
.footer-heading{
  margin-bottom:.9rem;
  font-family:var(--font-num);font-weight:600;font-size:.76rem;
  letter-spacing:.22em;text-transform:uppercase;
  color:var(--sand);
}
.footer-links{display:flex;flex-direction:column;gap:.55rem}
.footer-links a{
  display:inline-block;
  font-family:var(--font-display);font-size:.95rem;font-weight:500;letter-spacing:.03em;
  color:rgba(244,239,228,.86);
  border-bottom:1px solid transparent;
  transition:color .16s ease,border-color .16s ease;
}
.footer-links a:hover{color:var(--sand);border-bottom-color:var(--sand)}
.footer-contact{display:flex;flex-direction:column;gap:.85rem}
.footer-label{
  display:block;
  font-family:var(--font-num);font-size:.7rem;letter-spacing:.18em;
  color:var(--sand);
}
.footer-value{
  display:block;
  font-size:.94rem;line-height:1.65;
  color:rgba(244,239,228,.9);
  overflow-wrap:anywhere;
}
.footer-note{
  margin-top:1rem;
  max-width:24ch;
  font-family:var(--font-note);font-size:.85rem;line-height:1.7;
  color:rgba(244,239,228,.62);
}
.footer-base{background:var(--ink-green);border-top:1px solid var(--line-light)}
.footer-base-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.65rem;
  padding-block:1.1rem;
  font-family:var(--font-num);font-size:.78rem;letter-spacing:.09em;
  color:rgba(244,239,228,.62);
}
.footer-copy,.footer-icp{max-width:none}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-family:var(--font-num);font-size:.8rem;letter-spacing:.07em;color:var(--muted)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem}
.breadcrumb li{display:flex;align-items:center;gap:.45rem}
.breadcrumb li + li::before{content:"/";color:var(--sand)}
.breadcrumb a{color:var(--deep-green);border-bottom:1px solid rgba(20,88,74,.35)}
.breadcrumb a:hover{color:var(--vermilion);border-bottom-color:var(--vermilion)}
.breadcrumb [aria-current="page"]{color:var(--ink);border:0}

/* ---------- 编号与引导 ---------- */
.kicker{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-num);font-size:.78rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--deep-green);
}
.kicker::before{content:"";width:1.7rem;height:2px;background:var(--sand)}
.num-badge{
  display:inline-grid;place-items:center;
  min-width:2.4rem;padding:.22rem .5rem;
  background:var(--ink-green);color:var(--sand);
  font-family:var(--font-num);font-size:1.02rem;letter-spacing:.06em;line-height:1.3;
  border-radius:4px 12px 4px 12px;
}
.num-hero{
  font-family:var(--font-num);font-weight:700;
  font-size:clamp(3rem,9vw,7rem);line-height:.85;letter-spacing:.02em;
  color:var(--sand);
}

/* ---------- 卡片 / 旁注 / 标签 ---------- */
.card{
  background:var(--card-paper);
  border:1px solid var(--line);
  border-radius:var(--radius-leaf);
  padding:clamp(1.1rem,2.2vw,1.6rem);
}
.annotation{
  font-family:var(--font-note);font-size:.95rem;line-height:1.75;
  color:var(--wine);
  border-left:3px solid var(--sand);
  padding:.15rem 0 .15rem .9rem;
}
.tag{
  display:inline-flex;align-items:center;
  padding:.2rem .65rem;
  font-family:var(--font-num);font-size:.75rem;letter-spacing:.12em;
  background:rgba(20,88,74,.12);color:var(--deep-green);
  border-radius:var(--radius-pill);
}

/* ---------- 图片容器（页面阶段放置占位） ---------- */
.media-frame{
  position:relative;overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-leaf);
  background:var(--paper-2);
}
.media-frame img{
  display:block;width:100%;height:100%;
  object-fit:cover;aspect-ratio:4/3;
}
.media-frame--wide img{aspect-ratio:16/9}
.media-frame--tall img{aspect-ratio:3/4}
.media-caption{
  margin-top:.55rem;
  font-family:var(--font-num);font-size:.78rem;letter-spacing:.08em;
  color:var(--muted);
}

/* ---------- 表格 ---------- */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius-leaf);
  background:var(--card-paper);
}
.table-wrap table{min-width:36rem}
.table-wrap th,.table-wrap td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--line)}
.table-wrap th{
  font-family:var(--font-num);font-size:.78rem;letter-spacing:.14em;font-weight:600;
  background:var(--deep-green);color:var(--paper);
}
.table-wrap tr:last-child td{border-bottom:0}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(1rem,2.4vw,2rem)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}

/* ---------- 显现动效 ---------- */
.js-ready [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .55s cubic-bezier(.2,.7,.3,1),transform .55s cubic-bezier(.2,.7,.3,1);
}
.js-ready [data-reveal][data-revealed="true"]{opacity:1;transform:none}

/* ---------- 平板 ---------- */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;row-gap:2rem}
  .footer-brand{grid-column:1 / -1}
  .footer-summary{max-width:52ch}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .site-nav{display:none;border-top:1px solid rgba(201,162,39,.45)}
  .site-nav[data-open="true"]{display:block;animation:nav-open .18s ease-out both}
  .nav-list{flex-direction:column;align-items:stretch}
  .nav-item{display:block}
  .nav-item + .nav-item{border-left:0;border-top:1px solid var(--line-light)}
  .nav-link{
    display:flex;align-items:center;
    padding:.9rem clamp(1rem,4vw,1.5rem);
    font-size:1rem;
  }
  .nav-num{font-size:.78rem}
  .utility-inner{font-size:.72rem;letter-spacing:.08em}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--12{grid-template-columns:repeat(6,minmax(0,1fr))}
}

@keyframes nav-open{
  from{opacity:0;transform:translateY(-8px)}
  to{opacity:1;transform:none}
}

/* ---------- 手机 ---------- */
@media (max-width:680px){
  body{font-size:16.5px;line-height:1.72}
  .utility-strip{display:none}
  .masthead{padding-block:1rem}
  .masthead-inner{justify-content:space-between}
  .brand{gap:.65rem}
  .nav-toggle{position:static;transform:none}
  .footer-grid{grid-template-columns:1fr;gap:1.75rem}
  .footer-brand{grid-column:auto}
  .footer-base-inner{flex-direction:column;align-items:flex-start;gap:.35rem}
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .table-wrap table{min-width:28rem}
}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js-ready [data-reveal]{opacity:1 !important;transform:none !important}
  .site-nav[data-open="true"]{animation:none}
}