/* ============================================================
   /assets/site.css — 拿大正规平台 · 夜间档案码头
   1. reset  2. tokens  3. 中文排版  4. 头部轨道
   5. 页脚清单  6. 通用组件  7. 响应式 8. 可访问性
   ============================================================ */

/* ---------- 1. reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
html.nav-open{overflow:hidden}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{margin:0;min-height:100%}
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%}
button{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

/* ---------- 2. tokens ---------- */
:root{
  --night:#05081a;
  --ink:#0a1030;
  --ink-2:#101838;
  --ink-3:#18224a;
  --paper:#f3efe4;
  --paper-2:#e6e0cf;
  --text:#f3efe4;
  --muted:#a6aecb;
  --amber:#f0a83c;
  --brick:#c2472d;
  --celadon:#79b3a4;
  --line:rgba(243,239,228,.16);
  --line-strong:rgba(243,239,228,.34);
  --rail-w:264px;
  --wrap:1120px;
  --r-s:6px;
  --r-m:12px;
  --r-l:20px;
  --sans:"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --narrow:"Arial Narrow","Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,"SFMono-Regular","Menlo","Consolas","Liberation Mono",monospace;
}

/* ---------- 3. 中文排版与底板 ---------- */
body{
  background-color:var(--night);
  background-image:
    radial-gradient(120% 78% at 8% -12%,rgba(240,168,60,.10),transparent 62%),
    radial-gradient(90% 70% at 102% -4%,rgba(121,179,164,.09),transparent 58%),
    linear-gradient(180deg,#0a1030 0%,#070c22 58%,#05081a 100%);
  background-attachment:fixed;
  color:var(--text);
  font-family:var(--sans);
  font-size:clamp(15px,.5vw + 13.7px,17px);
  line-height:1.78;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{font-family:var(--narrow);font-weight:800;line-height:1.1;letter-spacing:-.015em}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.link{color:var(--celadon);text-decoration:underline;text-underline-offset:.22em;text-decoration-thickness:1px}
.link:hover{color:var(--amber)}

/* ---------- 4. 头部：侧边轨道 / 移动抽屉 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-180%);
  padding:.66rem 1.05rem;border-radius:var(--r-s);
  background:var(--amber);color:#120f24;
  font-weight:700;font-size:.86rem;letter-spacing:.04em;
  box-shadow:0 10px 24px rgba(0,0,0,.4);
}
.skip-link:focus,.skip-link:focus-visible{transform:translateY(0)}

.dock{
  position:sticky;top:0;z-index:80;
  display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;
  padding:.6rem clamp(.85rem,3vw,1.25rem);
  background:rgba(7,11,30,.94);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
}
.dock__bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;width:100%;min-width:0}

.dock-brand{display:inline-flex;align-items:center;gap:.68rem;min-width:0}
.dock-brand__mark{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  background:radial-gradient(circle at 32% 28%,rgba(240,168,60,.38),rgba(240,168,60,0) 72%);
}
.dock-brand__dot{width:10px;height:10px;border-radius:50%;background:var(--amber);box-shadow:0 0 0 4px rgba(240,168,60,.16)}
.dock-brand__text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.dock-brand__name{
  font-family:var(--narrow);font-weight:800;font-size:1.02rem;
  letter-spacing:.05em;color:var(--paper);white-space:nowrap;
}
.dock-brand__meta{
  font-family:var(--mono);font-size:.6rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.dock-toggle{
  display:inline-flex;align-items:center;gap:.58rem;
  padding:.46rem .8rem;border-radius:999px;
  background:rgba(243,239,228,.06);
  border:1px solid var(--line-strong);
  font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--paper);cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.dock-toggle:hover{background:rgba(240,168,60,.14);border-color:rgba(240,168,60,.55)}
.dock-toggle__bars{display:grid;gap:3px;width:16px}
.dock-toggle__bars span{display:block;height:2px;border-radius:2px;background:var(--amber);transition:transform .26s ease,opacity .18s ease}

.dock-nav{
  position:fixed;top:0;bottom:0;left:0;z-index:2;
  width:min(86vw,340px);
  display:flex;flex-direction:column;gap:1.1rem;
  padding:1.15rem 1rem 1.5rem;
  background:linear-gradient(180deg,#0c1434 0%,#080d24 55%,#05091d 100%);
  border-right:1px solid var(--line-strong);
  box-shadow:24px 0 60px rgba(0,0,0,.5);
  overflow-y:auto;
  visibility:hidden;
  transform:translateX(-104%);
  transition:transform .34s cubic-bezier(.22,.82,.3,1),visibility .34s step-end;
}
.dock[data-open] .dock-nav{transform:translateX(0);visibility:visible;transition:transform .34s cubic-bezier(.22,.82,.3,1),visibility 0s}
.dock[data-open] .dock-toggle{background:rgba(240,168,60,.18);border-color:rgba(240,168,60,.6)}
.dock[data-open] .dock-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.dock[data-open] .dock-toggle__bars span:nth-child(2){opacity:0}
.dock[data-open] .dock-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.dock-nav__cap{
  font-family:var(--mono);font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--amber);padding-bottom:.7rem;border-bottom:1px dashed var(--line);
}
.dock-nav__list{display:flex;flex-direction:column;gap:2px}
.dock-nav__item{min-width:0}
.dock-nav__link{
  display:grid;grid-template-columns:2.2rem minmax(0,1fr);align-items:baseline;gap:.55rem;
  padding:.58rem .7rem;border-radius:var(--r-s);
  border-left:3px solid transparent;
  color:var(--muted);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.dock-nav__link:hover{background:rgba(243,239,228,.06);color:var(--paper)}
.dock-nav__index{font-size:.7rem;letter-spacing:.08em;color:rgba(166,174,203,.7)}
.dock-nav__label{font-size:.94rem;font-weight:600;letter-spacing:.03em}
.dock-nav__link[aria-current="page"]{
  background:linear-gradient(90deg,rgba(240,168,60,.20),rgba(240,168,60,.03));
  border-left-color:var(--amber);
  color:var(--paper);
}
.dock-nav__link[aria-current="page"] .dock-nav__index{color:var(--amber)}
.dock-nav__link[aria-current="page"] .dock-nav__label{font-weight:800}

.dock-nav__foot{
  margin-top:auto;display:flex;flex-direction:column;gap:.6rem;
  padding-top:1rem;border-top:1px solid var(--line);
}
.dock-nav__note{font-size:.74rem;line-height:1.6;color:var(--muted)}
.dock-meter{
  position:relative;height:3px;border-radius:2px;overflow:hidden;
  background:rgba(243,239,228,.14);
}
.dock-meter__fill{
  display:block;width:100%;height:100%;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--celadon),var(--amber));
  transition:transform .12s linear;
}
.dock-scrim{
  position:fixed;inset:0;z-index:1;
  background:rgba(4,7,18,.66);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;
  transition:opacity .28s ease;
}
.dock[data-open] .dock-scrim{opacity:1;pointer-events:auto}

/* ---------- 5. 页脚清单 ---------- */
.dock-footer{
  position:relative;
  margin-top:clamp(3rem,7vw,6rem);
  background:linear-gradient(180deg,#080e26 0%,#05081a 100%);
  border-top:1px solid var(--line);
}
.dock-footer__stripe{
  height:8px;
  background:repeating-linear-gradient(90deg,
    var(--amber) 0 56px,var(--ink-3) 56px 64px,
    var(--brick) 64px 120px,var(--ink-3) 120px 128px,
    var(--celadon) 128px 184px,var(--ink-3) 184px 192px);
}
.dock-footer__grid{
  display:grid;grid-template-columns:1fr;gap:clamp(1.6rem,4vw,3rem);
  padding-block:clamp(2.2rem,5vw,3.6rem);
}
.dock-footer__brand{display:flex;flex-direction:column;align-items:flex-start;gap:.75rem;min-width:0}
.foot-plate{
  font-size:.66rem;letter-spacing:.26em;text-transform:uppercase;color:var(--amber);
  padding:.24rem .55rem;border:1px solid rgba(240,168,60,.42);border-radius:var(--r-s);
}
.dock-footer__name{font-family:var(--narrow);font-weight:800;font-size:clamp(1.5rem,4vw,2rem);letter-spacing:.02em;color:var(--paper)}
.dock-footer__lede{font-size:.9rem;line-height:1.8;color:var(--muted);max-width:30ch}
.dock-footer__col{min-width:0;display:flex;flex-direction:column;gap:.7rem}
.foot-head{
  font-family:var(--mono);font-size:.7rem;font-weight:600;
  letter-spacing:.22em;text-transform:uppercase;color:var(--paper);
  padding-bottom:.55rem;border-bottom:1px solid var(--line);
}
.foot-list{display:flex;flex-direction:column;gap:.4rem}
.foot-list a{
  display:inline-flex;align-items:center;gap:.45rem;
  font-size:.88rem;color:var(--muted);
  transition:color .18s ease,transform .18s ease;
}
.foot-list a::before{content:"";width:5px;height:5px;border-radius:50%;background:rgba(243,239,228,.24);flex:0 0 auto;transition:background .18s ease}
.foot-list a:hover{color:var(--paper);transform:translateX(2px)}
.foot-list a:hover::before{background:var(--amber)}
.foot-contact{display:flex;flex-direction:column;gap:.55rem}
.foot-contact li{display:flex;flex-direction:column;gap:.1rem}
.foot-key{font-family:var(--mono);font-size:.64rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(166,174,203,.85)}
.foot-value{font-size:.88rem;color:var(--paper);word-break:break-word}
.foot-note{font-size:.78rem;line-height:1.75;color:var(--muted);max-width:34ch;padding-left:.7rem;border-left:2px solid rgba(194,71,45,.6)}
.dock-footer__base{
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem 1.4rem;
  padding-block:1.1rem 1.6rem;
  border-top:1px solid var(--line);
  font-size:.72rem;color:var(--muted);
}
.foot-addr{font-size:.72rem;color:var(--muted)}

/* ---------- 6. 通用组件 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(1rem,4vw,2.5rem)}
.page{display:block;padding-bottom:clamp(2rem,6vw,4rem)}
#main-content{scroll-margin-top:5.5rem}

.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
  padding-block:1rem 0;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
}
.crumbs__link{color:var(--celadon);text-decoration:underline;text-underline-offset:.24em}
.crumbs__link:hover{color:var(--amber)}
.crumbs__sep{color:rgba(243,239,228,.3)}

.eyebrow{
  display:inline-block;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--amber);
}
.display{
  font-family:var(--narrow);font-weight:800;
  font-size:clamp(2.3rem,7.5vw,5.1rem);
  line-height:1.02;letter-spacing:-.025em;color:var(--paper);
}
.lede{font-size:clamp(1rem,1.5vw,1.16rem);line-height:1.8;color:#c8cee4;max-width:62ch}
.rule{height:1px;border:0;background:var(--line);margin:0}

.section{padding-block:clamp(1.8rem,4.5vw,3.4rem)}
.section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:.6rem 1.4rem;
  padding-bottom:.8rem;margin-bottom:clamp(1.1rem,2.4vw,1.8rem);
  border-bottom:1px solid var(--line);
}

.grid{display:grid;grid-template-columns:1fr;gap:clamp(1rem,2.4vw,1.6rem)}
.grid--2,.grid--3{grid-template-columns:1fr}

.panel{
  background:rgba(243,239,228,.05);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:clamp(1rem,2.4vw,1.6rem);
}
.panel--glass{
  background:rgba(243,239,228,.09);
  -webkit-backdrop-filter:blur(14px) saturate(130%);
  backdrop-filter:blur(14px) saturate(130%);
  border-color:rgba(243,239,228,.24);
  box-shadow:0 18px 44px rgba(3,6,18,.42);
}
.panel--paper{background:var(--paper);border-color:transparent;color:#101838}
.panel--paper .lede,.panel--paper .status,.panel--paper .dock-nav__note{color:#3c4566}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.72rem 1.2rem;border-radius:999px;
  font-size:.88rem;font-weight:700;letter-spacing:.04em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--solid{background:var(--amber);color:#150f26;box-shadow:0 12px 28px rgba(240,168,60,.22)}
.btn--solid:hover{background:#ffbb55}
.btn--line{background:transparent;border-color:var(--line-strong);color:var(--paper)}
.btn--line:hover{border-color:var(--amber);color:var(--amber)}

.tag{
  display:inline-flex;align-items:center;gap:.35rem;
  padding:.2rem .55rem;border-radius:4px;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid var(--line-strong);color:var(--muted);background:rgba(243,239,228,.04);
}
.tag--amber{border-color:rgba(240,168,60,.5);color:var(--amber);background:rgba(240,168,60,.1)}
.tag--celadon{border-color:rgba(121,179,164,.5);color:var(--celadon);background:rgba(121,179,164,.1)}
.tag--brick{border-color:rgba(194,71,45,.55);color:#e88a76;background:rgba(194,71,45,.14)}

.status{
  display:inline-flex;align-items:center;gap:.45rem;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.status__dot{width:7px;height:7px;border-radius:50%;background:var(--celadon);box-shadow:0 0 0 3px rgba(121,179,164,.18);flex:0 0 auto}
.status--amber .status__dot{background:var(--amber);box-shadow:0 0 0 3px rgba(240,168,60,.2)}
.status--brick .status__dot{background:var(--brick);box-shadow:0 0 0 3px rgba(194,71,45,.22)}

.ledger{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.ledger__row{
  display:grid;grid-template-columns:2.6rem minmax(0,1fr) auto;align-items:baseline;gap:.8rem;
  padding:.7rem 0;border-bottom:1px dashed var(--line);
}
.ledger__no{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;color:var(--amber)}
.ledger__meta{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:var(--muted);white-space:nowrap}

.media{
  position:relative;overflow:hidden;
  border-radius:var(--r-m);
  border:1px solid var(--line);
  background:linear-gradient(150deg,#131d44 0%,#0a1130 60%,#070c22 100%);
}
.media img,.media video{width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--21x9{aspect-ratio:21/9}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(243,239,228,.42) 0 1px,transparent 1px) 18px 12px/1px 26px no-repeat,
    linear-gradient(180deg,transparent 60%,rgba(5,8,26,.7) 100%);
}
.media[data-label]::before{
  content:attr(data-label);
  position:absolute;left:.85rem;bottom:.75rem;z-index:2;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(243,239,228,.78);
}
.media__caption{
  margin-top:.55rem;
  font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:var(--muted);
}

/* ---------- 7. 响应式 ---------- */
@media (min-width:600px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dock-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:900px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:359px){
  .dock-brand__meta{display:none}
}

/* 桌面：左侧固定轨道 */
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .dock{
    position:fixed;inset:0 auto 0 0;
    width:var(--rail-w);
    display:flex;flex-direction:column;align-items:stretch;flex-wrap:nowrap;
    gap:1.5rem;
    padding:1.5rem 1rem 1.35rem;
    background:linear-gradient(180deg,#0b1330 0%,#080e26 55%,#05091d 100%);
    border-bottom:0;border-right:1px solid var(--line);
    box-shadow:inset -1px 0 0 rgba(240,168,60,.14);
    -webkit-backdrop-filter:none;backdrop-filter:none;
  }
  .dock__bar{width:auto}
  .dock-toggle{display:none}
  .dock-scrim{display:none}
  .dock-nav{
    position:static;z-index:auto;
    width:auto;height:auto;flex:1 1 auto;min-height:0;
    padding:0;border-right:0;box-shadow:none;background:none;
    visibility:visible;transform:none;overflow-y:auto;
    transition:none;
  }
  .dock-footer__grid{grid-template-columns:1.55fr .8fr .8fr 1.25fr;gap:clamp(1.4rem,2.6vw,2.6rem)}
}

/* ---------- 8. 可访问性 ---------- */
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}
.dock-nav__link:focus-visible{outline-offset:-2px}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto}
  .btn:hover{transform:none}
}