/* ===========================================================
   皇冠体肓 · 共享外壳  /assets/site.css
   夜间赛场 + 档案室：墨夜底色、细密网格、鎏金描边、硬阴影
   =========================================================== */

:root{
  --ink:#0B1622;
  --hold:#122234;
  --line:#2E4256;
  --grid:#1B2B3D;
  --gold:#C9A24A;
  --gold-hi:#E8CB84;
  --amber:#F0A24A;
  --white:#EDF2F7;
  --mist:#9FB0C0;
  --teal:#4FB3A6;
  --alert:#C4664B;

  --font-display:"Noto Serif SC","Source Han Serif SC","思源宋体",serif;
  --font-body:Inter,"Source Han Sans SC","思源黑体",system-ui,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,monospace;

  --container:1200px;
  --shadow-hard:6px 6px 0 rgba(0,0,0,.55);
  --shadow-soft:4px 4px 0 rgba(0,0,0,.45);
  --radius-pill:999px;
  --header-h:6.5rem;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:9rem}
body{
  margin:0;
  min-height:100%;
  background-color:var(--ink);
  background-image:
    linear-gradient(to right,rgba(46,66,86,.28) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(46,66,86,.22) 1px,transparent 1px);
  background-size:76px 76px;
  color:var(--white);
  font-family:var(--font-body);
  font-size:1.0625rem;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(120% 55% at 85% -10%,rgba(201,162,74,.16),transparent 60%),
    radial-gradient(90% 60% at -10% 110%,rgba(79,179,166,.09),transparent 65%);
}
main{display:block}
img,picture,svg,video{max-width:100%}
img{display:block;height:auto}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
a{color:var(--gold-hi);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--white)}
:focus-visible{outline:2px solid var(--gold-hi);outline-offset:3px}
[hidden]{display:none !important}

/* ---------- 排版 ---------- */
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.18;
  letter-spacing:-.02em;
  color:var(--white);
  margin:0 0 .55em;
}
h1{font-size:clamp(2.6rem,6vw,5rem);font-weight:900}
h2{font-size:clamp(1.8rem,3.4vw,2.8rem)}
h3{font-size:clamp(1.15rem,1.8vw,1.45rem)}
p{margin:0 0 1em}
strong{color:var(--gold-hi);font-weight:600}

.mono-note{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.08em;
  line-height:1.6;
  color:var(--mist);
  margin:0;
  text-transform:uppercase;
}
.caption,.media-frame__caption{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.06em;
  color:var(--mist);
  line-height:1.7;
}

/* ---------- 布局 ---------- */
.container{width:min(100% - 2rem,var(--container));margin-inline:auto}
.section{padding-block:clamp(3rem,7vw,6rem)}
.section--band{background:linear-gradient(180deg,rgba(18,34,52,.9),rgba(18,34,52,.55))}
.section--hair{border-top:1px solid var(--grid)}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:.75rem 1.25rem;
  margin-bottom:clamp(1.5rem,3vw,2.5rem);
}
.section-number{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.18em;
  color:var(--gold);
  text-transform:uppercase;
  padding:.25rem .6rem;
  border:1px solid var(--gold);
  border-radius:2px;
  background:rgba(201,162,74,.08);
}
.grid{display:grid;gap:clamp(1rem,2.4vw,2rem)}
.grid--8-4{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}
.grid--5-7{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.prose{max-width:68ch;color:var(--white)}
.prose > :last-child{margin-bottom:0}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.45rem;
  list-style:none;
  margin:0 0 1.5rem;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--mist);
}
.breadcrumb a{color:var(--mist);text-decoration:none;border-bottom:1px dashed var(--line);padding-bottom:1px}
.breadcrumb a:hover{color:var(--gold-hi);border-bottom-color:var(--gold)}
.breadcrumb__sep{color:var(--line)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.75rem 1.35rem;
  border:1px solid var(--gold);
  border-radius:var(--radius-pill);
  background:transparent;
  color:var(--gold-hi);
  font-size:.95rem;
  font-weight:600;
  letter-spacing:.01em;
  text-decoration:none;
  cursor:pointer;
  box-shadow:var(--shadow-soft);
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{background:rgba(201,162,74,.16);color:var(--white);transform:translate(-1px,-1px);box-shadow:6px 6px 0 rgba(0,0,0,.5)}
.btn:active{transform:none;box-shadow:2px 2px 0 rgba(0,0,0,.5)}
.btn--primary{background:var(--amber);border-color:var(--amber);color:var(--ink)}
.btn--primary:hover{background:var(--gold-hi);border-color:var(--gold-hi);color:var(--ink)}
.btn--ghost{border-color:var(--line);color:var(--mist)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold-hi)}

/* ---------- 卡片 / 面板 / 标签 ---------- */
.panel,.archive-card{
  position:relative;
  background:var(--hold);
  border:1px solid var(--line);
  border-left:3px solid var(--gold);
  padding:clamp(1.1rem,2vw,1.75rem);
  box-shadow:var(--shadow-hard);
}
.archive-card__index{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.16em;
  color:var(--gold);
  display:block;
  margin-bottom:.6rem;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.28rem .7rem;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(46,66,86,.25);
  color:var(--mist);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.09em;
  text-decoration:none;
  cursor:pointer;
}
.tag:hover{border-color:var(--gold);color:var(--gold-hi)}
.tag--gold{border-color:var(--gold);color:var(--gold-hi)}
.tag[aria-pressed="true"],.tag.is-active{background:rgba(201,162,74,.2);border-color:var(--gold);color:var(--white)}

.status-dot{
  display:inline-block;
  width:.55rem;
  height:.55rem;
  border-radius:50%;
  background:var(--teal);
  box-shadow:0 0 0 3px rgba(79,179,166,.18);
  vertical-align:middle;
}
.status-dot--wait{background:var(--amber);box-shadow:0 0 0 3px rgba(240,162,74,.18)}
.status-dot--alert{background:var(--alert);box-shadow:0 0 0 3px rgba(196,102,75,.18)}

/* ---------- 路径图 / 媒体容器 ---------- */
.path-map{list-style:none;margin:0;padding:0;display:grid;gap:.75rem}
.path-map__node{
  display:flex;
  gap:.9rem;
  align-items:baseline;
  padding-left:1rem;
  border-left:1px solid var(--line);
}
.path-map__node[data-state="done"]{border-left-color:var(--teal)}
.path-map__id{
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.1em;
  color:var(--gold);
  flex:none;
}
.media-frame{
  position:relative;
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(140deg,#0F1F2E,#1A3048);
  box-shadow:var(--shadow-hard);
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--tall{aspect-ratio:4/5}
.media-frame > img{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(120deg,rgba(201,162,74,.16),transparent 46%);
  mix-blend-mode:screen;
}
.media-frame__caption{margin-top:.6rem}

/* ---------- 显现动效 ---------- */
html.has-motion .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
html.has-motion .reveal.is-visible{opacity:1;transform:none}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;
  left:1rem;
  top:-5rem;
  z-index:200;
  padding:.7rem 1.1rem;
  background:var(--gold);
  color:var(--ink);
  font-weight:700;
  border-radius:2px;
  text-decoration:none;
  transition:top .2s ease;
}
.skip-link:focus{top:.75rem;color:var(--ink)}

/* ===========================================================
   页头
   =========================================================== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:linear-gradient(180deg,rgba(11,22,34,.97),rgba(11,22,34,.88));
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--gold) 18%,var(--gold-hi) 50%,var(--gold) 82%,transparent);
  opacity:.6;
}
.site-header__grid{
  display:grid;
  grid-template-columns:minmax(0,auto) minmax(0,1fr) minmax(200px,.85fr);
  align-items:center;
  gap:1.5rem;
  padding-block:1rem;
}
.site-header__foot{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:.5rem 1.25rem;
  padding-block:.55rem;
  border-top:1px solid var(--grid);
}

/* 品牌岛 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:.75rem;
  text-decoration:none;
  color:inherit;
}
.brand__mark{
  flex:none;
  display:grid;
  place-items:center;
  width:2.5rem;
  height:2.5rem;
  border:1px solid var(--gold);
  border-radius:3px;
  background:linear-gradient(135deg,rgba(201,162,74,.3),rgba(11,22,34,.2));
  color:var(--gold-hi);
  font-family:var(--font-mono);
  font-size:.82rem;
  letter-spacing:.06em;
  box-shadow:3px 3px 0 rgba(0,0,0,.5);
}
.brand__text{display:flex;flex-direction:column;line-height:1.25}
.brand__line{font-family:var(--font-display);font-size:1.05rem;font-weight:700;letter-spacing:.02em;color:var(--white)}
.brand__sub{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mist)}
.brand:hover .brand__line{color:var(--gold-hi)}

/* 导航区 */
.header-nav-zone{display:flex;align-items:center;justify-content:center;gap:.5rem}
.nav-toggle{display:none}
.site-nav{display:block}
.site-nav__list{
  display:flex;
  align-items:center;
  gap:.25rem;
  list-style:none;
  padding:.35rem;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(18,34,52,.88);
  box-shadow:var(--shadow-soft);
}
.site-nav__item{display:block}
.site-nav__link{
  display:block;
  padding:.5rem .85rem;
  border-radius:var(--radius-pill);
  color:var(--mist);
  font-size:.9rem;
  font-weight:500;
  white-space:nowrap;
  text-decoration:none;
  transition:color .2s ease,background-color .2s ease;
}
.site-nav__link:hover{color:var(--white);background:rgba(46,66,86,.55)}
.site-nav__link[aria-current="page"]{
  background:var(--gold);
  color:var(--ink);
  font-weight:600;
  box-shadow:inset 0 0 0 1px var(--gold-hi);
}
.site-nav__link[aria-current="page"]:hover{background:var(--gold-hi);color:var(--ink)}
.site-nav__link--anchor{
  padding:.55rem 1.15rem;
  border:1px solid var(--gold);
  color:var(--gold-hi);
  font-size:.95rem;
  font-weight:700;
  letter-spacing:.02em;
  background:linear-gradient(180deg,rgba(201,162,74,.2),rgba(201,162,74,.05));
  box-shadow:inset 0 0 0 1px rgba(232,203,132,.14),3px 3px 0 rgba(0,0,0,.5);
}
.site-nav__link--anchor:hover{background:var(--gold);color:var(--ink)}

/* 移动导航按钮 */
.nav-toggle{
  align-items:center;
  gap:.55rem;
  padding:.5rem .85rem;
  border:1px solid var(--gold);
  border-radius:var(--radius-pill);
  background:rgba(18,34,52,.9);
  color:var(--gold-hi);
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.12em;
  cursor:pointer;
}
.nav-toggle__glyph{position:relative;display:block;width:16px;height:2px;background:currentColor;transition:background-color .2s ease}
.nav-toggle__glyph::before,
.nav-toggle__glyph::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  background:currentColor;
  transition:transform .2s ease,top .2s ease;
}
.nav-toggle__glyph::before{top:-5px}
.nav-toggle__glyph::after{top:5px}
.nav-toggle[aria-expanded="true"]{background:var(--gold);color:var(--ink)}
.nav-toggle[aria-expanded="true"] .nav-toggle__glyph{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__glyph::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__glyph::after{top:0;transform:rotate(-45deg)}

/* 检索块（独立成块） */
.search-block{
  position:relative;
  padding:.5rem .85rem .6rem;
  border:1px solid var(--line);
  border-left:2px solid var(--gold);
  background:rgba(18,34,52,.92);
  box-shadow:var(--shadow-soft);
}
.search-block__label{
  display:block;
  font-family:var(--font-mono);
  font-size:.66rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
  margin-bottom:.15rem;
}
.search-input{
  width:100%;
  padding:.35rem 0;
  border:0;
  border-bottom:1px dashed var(--line);
  background:transparent;
  color:var(--white);
  font-size:.92rem;
  outline:none;
}
.search-input::placeholder{color:rgba(159,176,192,.75)}
.search-input:focus{border-bottom-color:var(--gold);border-bottom-style:solid}
.search-suggest{
  position:absolute;
  top:100%;
  left:0;
  right:0;
  z-index:80;
  margin-top:.4rem;
  padding:.35rem;
  list-style:none;
  max-height:17rem;
  overflow:auto;
  background:#0F1F2E;
  border:1px solid var(--gold);
  box-shadow:6px 6px 0 rgba(0,0,0,.6);
}
.search-suggest[hidden]{display:none}
.search-suggest__item[hidden]{display:none}
.search-suggest__link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.75rem;
  padding:.5rem .65rem;
  border-radius:2px;
  color:var(--white);
  font-size:.88rem;
  text-decoration:none;
}
.search-suggest__link:hover,.search-suggest__link:focus-visible{background:rgba(201,162,74,.18);color:var(--gold-hi)}
.search-suggest__hint{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.06em;color:var(--mist)}
.search-suggest__empty{
  padding:.6rem .65rem;
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.05em;
  color:var(--mist);
}

/* ===========================================================
   页脚
   =========================================================== */
.site-footer{
  position:relative;
  margin-top:clamp(3rem,8vw,6rem);
  background:linear-gradient(180deg,#0C1A28,#0B1622 62%);
  border-top:1px solid var(--line);
  background-image:
    linear-gradient(to right,rgba(46,66,86,.22) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(46,66,86,.18) 1px,transparent 1px);
  background-size:76px 76px;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:3px;
  background:linear-gradient(90deg,var(--gold),var(--amber) 45%,var(--teal));
  opacity:.85;
}
.footer__inner{padding-block:clamp(2.5rem,5vw,4rem)}
.footer__topline{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:1.25rem;
  padding-bottom:1.5rem;
  border-bottom:1px solid var(--grid);
}
.footer__brand{display:inline-flex;align-items:center;gap:.9rem}
.footer__brand-text{display:flex;flex-direction:column;line-height:1.3}
.footer__brand-name{font-family:var(--font-display);font-size:1.15rem;font-weight:700;color:var(--white)}
.footer__pitch{
  flex:1 1 16rem;
  margin:0;
  color:var(--mist);
  font-size:.95rem;
  max-width:34ch;
}
.footer__grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(1.5rem,3vw,3rem);
  padding-block:clamp(2rem,4vw,3rem);
}
.footer__col{min-width:0}
.footer__col-title{
  display:flex;
  align-items:center;
  gap:.6rem;
  margin:0 0 1rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--gold);
}
.footer__col-title::after{content:"";flex:1;height:1px;background:var(--grid)}
.footer__list{list-style:none;display:grid;gap:.6rem}
.footer__list--meta{gap:.4rem;margin-bottom:1rem}
.footer__link{
  display:inline-block;
  color:var(--mist);
  font-size:.92rem;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.footer__link:hover{color:var(--gold-hi);border-bottom-color:var(--gold)}
.footer__link--path{
  display:flex;
  align-items:baseline;
  gap:.6rem;
  color:var(--white);
}
.footer__link--path::before{
  content:"";
  flex:none;
  width:.45rem;
  height:.45rem;
  margin-top:.15rem;
  background:var(--amber);
  transform:rotate(45deg);
}
.footer__contact{
  display:grid;
  gap:.35rem;
  margin:0 0 .75rem;
  font-style:normal;
  font-size:.88rem;
  color:var(--mist);
  line-height:1.7;
}
.footer__contact p{margin:0;overflow-wrap:anywhere}
.footer__note{margin:0;font-size:.82rem;line-height:1.7;color:var(--mist);max-width:38ch}
.footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.6rem 1.25rem;
  padding-top:1.25rem;
  border-top:1px solid var(--grid);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.08em;
  color:var(--mist);
}
.footer__legal a{color:var(--mist);text-decoration:none;border-bottom:1px dashed var(--line)}
.footer__legal a:hover{color:var(--gold-hi);border-bottom-color:var(--gold)}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:1.25rem;
  bottom:1.25rem;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.7rem 1.1rem;
  border:1px solid var(--gold);
  border-radius:var(--radius-pill);
  background:rgba(18,34,52,.95);
  color:var(--gold-hi);
  font-family:var(--font-mono);
  font-size:.74rem;
  letter-spacing:.1em;
  cursor:pointer;
  box-shadow:4px 4px 0 rgba(0,0,0,.55);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.to-top:hover{background:var(--gold);color:var(--ink);transform:translateY(-2px)}
.to-top[hidden]{display:none !important}

/* ===========================================================
   响应式
   =========================================================== */
@media (max-width:1080px){
  .site-header__grid{
    grid-template-columns:minmax(0,1fr) auto;
    gap:.75rem 1rem;
    padding-block:.85rem;
  }
  .brand{grid-column:1}
  .header-nav-zone{grid-column:2;justify-content:flex-end}
  .search-block{grid-column:1 / -1}
  .nav-toggle{display:inline-flex}
  .site-nav{
    display:none;
    position:absolute;
    top:calc(100% + .5rem);
    left:1rem;
    right:1rem;
  }
  .site-nav[data-open]{display:block}
  .site-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:.2rem;
    padding:.6rem;
    border-radius:14px;
    box-shadow:6px 6px 0 rgba(0,0,0,.6);
  }
  .site-nav__link{padding:.7rem .9rem;border-radius:8px;font-size:1rem}
  .site-nav__link--anchor{margin-top:.35rem;text-align:center}
  .search-suggest{max-height:14rem}
}

@media (max-width:900px){
  .grid--8-4,.grid--5-7,.grid--3{grid-template-columns:minmax(0,1fr)}
  .footer__grid{grid-template-columns:minmax(0,1fr);gap:2rem}
  .footer__topline{align-items:flex-start}
}

@media (max-width:600px){
  body{font-size:1rem}
  .site-header__foot{justify-content:flex-start}
  .site-header__foot .mono-note:last-child{display:none}
  .brand__mark{width:2.2rem;height:2.2rem}
  .to-top{right:.85rem;bottom:.85rem;padding:.6rem .9rem}
  .section{padding-block:2.5rem}
  .footer__pitch{display:none}
}

/* ===========================================================
   无障碍 / 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;
  }
  html.has-motion .reveal{opacity:1;transform:none}
  .btn:hover,.to-top:hover{transform:none}
}