/* ============================================================
   版本彩讯 · 全站共享样式  /assets/site.css
   夜盘数据台基调：深墨蓝 + 朱砂红 + 鎏金
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html,body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
[hidden]{display:none !important}
table{border-collapse:collapse;width:100%}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#0B1B2B;
  --ink-2:#13293F;
  --ink-3:#081320;
  --acc:#D8412F;
  --gold:#E0B15C;
  --grey:#93A1B0;
  --paper:#F4F1EA;
  --line:#2A4A6B;
  --cyan:#3E9E8F;

  --r-xl:28px;
  --r-lg:22px;
  --r-md:16px;
  --pill:999px;

  --shell:1240px;
  --gutter:clamp(16px,3.4vw,34px);
  --head-h:66px;

  --font-sans:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --ea:cubic-bezier(.22,1,.36,1);
}

/* ---------- 3. 基础排版与夜盘底纹 ---------- */
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--head-h) + 14px);
}
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(900px 520px at 8% -12%, rgba(224,177,92,.13), transparent 62%),
    radial-gradient(780px 480px at 98% 2%, rgba(216,65,47,.11), transparent 60%),
    repeating-linear-gradient(to bottom, rgba(42,74,107,.13) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(to right, rgba(42,74,107,.09) 0 1px, transparent 1px 96px);
  background-attachment:fixed;
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.004em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
main{display:block}
h1,h2,h3{font-weight:800;letter-spacing:-.032em;line-height:1.22;text-wrap:balance}
h1{font-size:clamp(34px,5.4vw,60px)}
h2{font-size:clamp(22px,3vw,32px)}
h3{font-size:18px;letter-spacing:-.02em}
p{text-wrap:pretty}
strong{font-weight:700;color:var(--paper)}
small{font-size:13px}

.num{font-family:var(--font-mono);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.lead{font-size:clamp(17px,1.5vw,19px);color:#cfd9e4;line-height:1.78;max-width:62ch}
.muted{color:var(--grey)}

:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:8px}

/* ---------- 4. 通用容器与栅格 ---------- */
.shell{
  width:min(100%,var(--shell));
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.shell--wide{--shell:1440px}

.grid{display:grid;gap:clamp(14px,1.9vw,24px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--split{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
.grid--split-r{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}

.aside-rail{position:sticky;top:calc(var(--head-h) + 20px);align-self:start}

/* ---------- 5. 按钮与胶囊 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:14.5px;font-weight:700;line-height:1.1;
  padding:11px 19px;border-radius:var(--pill);
  border:1px solid transparent;text-decoration:none;cursor:pointer;
  white-space:nowrap;
  transition:transform .18s var(--ea),background-color .2s,border-color .2s,color .2s;
}
.btn--primary{
  background:var(--acc);color:#fff;
  box-shadow:0 10px 24px -14px rgba(216,65,47,.95);
}
.btn--primary:hover{background:#E24E3B;transform:translateY(-1px)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{
  background:rgba(19,41,63,.62);border-color:var(--line);color:#D8E2EC;
}
.btn--ghost:hover{border-color:#4C779F;color:var(--paper)}
.btn--line{
  background:transparent;border-color:rgba(224,177,92,.42);color:var(--gold);
}
.btn--line:hover{background:rgba(224,177,92,.1)}
.btn--sm{padding:8px 14px;font-size:13.5px}
.btn--block{width:100%}

/* ---------- 6. 命令栏（头部） ---------- */
.cmdbar{
  position:sticky;top:0;z-index:60;
  background:rgba(11,27,43,.93);
  -webkit-backdrop-filter:blur(14px) saturate(1.25);
  backdrop-filter:blur(14px) saturate(1.25);
  border-bottom:1px solid var(--line);
}
.cmdbar__inner{
  width:min(100%,var(--shell));
  margin-inline:auto;
  padding:10px var(--gutter);
  min-height:var(--head-h);
  display:flex;align-items:center;gap:clamp(12px,2vw,26px);
}
.cmdbar__ring{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(42,74,107,.55);overflow:hidden;
}
.cmdbar__ring > span{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--gold),var(--acc));
  transition:transform .12s linear;
}
.cmdbar__acts{display:flex;align-items:center;gap:8px;flex:0 0 auto}

/* 品牌 */
.brand{
  display:flex;align-items:center;gap:11px;
  text-decoration:none;color:var(--paper);flex:0 0 auto;
}
.brand__mark{
  width:40px;height:40px;border-radius:13px;
  display:grid;place-items:center;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.02em;
  background:linear-gradient(150deg,#1C3C5B,#0D2439);
  border:1px solid var(--line);
  color:var(--gold);
  box-shadow:inset 0 0 0 1px rgba(224,177,92,.16);
}
.brand__text{display:block;min-width:0}
.brand__name{
  display:block;font-size:16px;font-weight:800;letter-spacing:-.02em;line-height:1.2;
}
.brand__meta{
  display:flex;align-items:center;gap:6px;
  font-size:11.5px;letter-spacing:.05em;color:var(--grey);line-height:1.3;
}
.dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--cyan);flex:0 0 auto;
  animation:pulse 2.8s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(62,158,143,.18)}
  50%{box-shadow:0 0 0 7px rgba(62,158,143,.05)}
}

/* 导航 */
.cmdnav{margin-left:auto;display:flex;align-items:center;gap:8px;min-width:0}
.cmdnav__list{display:flex;align-items:center;gap:2px;min-width:0}
.cmdnav__list a{
  display:block;padding:9px 13px;border-radius:var(--pill);
  font-size:14.5px;font-weight:500;color:#C6D2DF;
  text-decoration:none;white-space:nowrap;
  border:1px solid transparent;
  transition:color .2s,background-color .2s,border-color .2s;
}
.cmdnav__list a:hover{color:var(--paper);background:rgba(42,74,107,.42)}
.cmdnav__list a[aria-current="page"]{
  color:var(--gold);font-weight:700;
  border-color:rgba(224,177,92,.55);
  background:rgba(224,177,92,.06);
}
.cmdnav__acts{display:none}

/* 移动菜单按钮 */
.navtoggle{
  display:none;align-items:center;gap:9px;
  margin-left:auto;padding:9px 15px;
  border-radius:var(--pill);
  border:1px solid var(--line);
  background:rgba(19,41,63,.72);
  color:var(--paper);font-size:14px;font-weight:600;
  cursor:pointer;
  transition:border-color .2s,background-color .2s;
}
.navtoggle:hover{border-color:#4C779F}
.navtoggle__bars{
  position:relative;width:16px;height:2px;border-radius:2px;
  background:currentColor;
  transition:background-color .2s;
}
.navtoggle__bars::before,
.navtoggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;
  border-radius:2px;background:currentColor;
  transition:transform .25s var(--ea),top .25s var(--ea);
}
.navtoggle__bars::before{top:-5px}
.navtoggle__bars::after{top:5px}
.navtoggle[aria-expanded="true"] .navtoggle__bars{background:transparent}
.navtoggle[aria-expanded="true"] .navtoggle__bars::before{top:0;transform:rotate(45deg)}
.navtoggle[aria-expanded="true"] .navtoggle__bars::after{top:0;transform:rotate(-45deg)}

/* 跳转链接 */
.skip-link{
  position:fixed;top:10px;left:50%;z-index:90;
  transform:translate(-50%,-220%);
  padding:10px 18px;border-radius:var(--pill);
  background:var(--gold);color:#081320;
  font-size:14px;font-weight:700;text-decoration:none;
  transition:transform .22s var(--ea);
}
.skip-link:focus{transform:translate(-50%,0)}

/* ---------- 7. 通用组件 ---------- */
.crumbs{padding-top:20px}
.crumbs ol{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--grey);
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li + li::before{content:"/";color:#3E6389}
.crumbs a{text-decoration:none;color:#B9C6D4}
.crumbs a:hover{color:var(--gold)}
.crumbs [aria-current="page"]{color:var(--paper)}

.sechead{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:18px;flex-wrap:wrap;margin-bottom:22px;
}
.sechead__title{
  font-size:clamp(22px,3vw,32px);font-weight:800;
  letter-spacing:-.032em;line-height:1.2;
}
.sechead__note{font-size:14px;color:var(--grey);max-width:54ch}

.panel{
  background:var(--ink-2);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:clamp(18px,2.4vw,28px);
}
.panel--flat{background:rgba(19,41,63,.55);border-radius:var(--r-lg)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12.5px;letter-spacing:.05em;
  color:var(--grey);background:rgba(19,41,63,.66);
  border:1px solid var(--line);
}
.tag--gold{color:var(--gold);border-color:rgba(224,177,92,.45);background:rgba(224,177,92,.08)}
.tag--acc{color:#FFD6CF;border-color:rgba(216,65,47,.6);background:rgba(216,65,47,.16)}

.ledger{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:baseline}
.ledger__item{display:flex;flex-direction:column;gap:2px}
.ledger__k{font-size:12.5px;color:var(--grey);letter-spacing:.06em}
.ledger__v{font-family:var(--font-mono);font-size:22px;font-weight:700;color:var(--gold);letter-spacing:.02em}

/* 横向主题带 */
.band{
  display:flex;align-items:center;gap:12px;
  min-height:88px;
  padding:14px clamp(16px,3vw,26px);
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:linear-gradient(90deg,rgba(19,41,63,.95),rgba(11,27,43,.72));
  overflow-x:auto;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
}
.band--tall{min-height:120px}
.band::-webkit-scrollbar{height:6px}
.band::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px}
.band > *{scroll-snap-align:start;flex:0 0 auto}

/* 筛选胶囊 */
.chip{
  appearance:none;-webkit-appearance:none;
  padding:8px 16px;border-radius:var(--pill);
  font-size:14px;font-weight:600;line-height:1.3;
  color:#C6D2DF;background:rgba(42,74,107,.34);
  border:1px solid transparent;cursor:pointer;
  white-space:nowrap;
  transition:color .2s,background-color .2s,border-color .2s;
}
.chip:hover{color:var(--paper);border-color:var(--line)}
.chip[aria-pressed="true"]{
  color:var(--gold);
  border-color:rgba(224,177,92,.6);
  background:rgba(224,177,92,.08);
}
.chip__count{
  font-family:var(--font-mono);font-size:12.5px;
  color:var(--grey);margin-left:6px;
}

/* 折叠面板 */
.acc{
  background:rgba(19,41,63,.58);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.acc + .acc{margin-top:10px}
.acc__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:14px;padding:16px 18px;
  background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--paper);
  transition:color .2s;
}
.acc__q:hover{color:var(--gold)}
.acc__q::after{
  content:"";flex:0 0 auto;
  width:9px;height:9px;
  border-right:2px solid var(--grey);
  border-bottom:2px solid var(--grey);
  transform:rotate(45deg);
  transition:transform .25s var(--ea),border-color .2s;
}
.acc__q[aria-expanded="true"]::after{
  transform:rotate(-135deg);border-color:var(--gold);
}
.acc__a{padding:0 18px 18px;font-size:15.5px;color:#C4D0DD;max-width:78ch}

/* 正文容器 */
.prose{max-width:68ch}
.prose > * + *{margin-top:1.1em}
.prose h2{font-size:clamp(20px,2.4vw,26px);margin-top:1.9em}
.prose h3{margin-top:1.6em}
.prose ul{list-style:disc;padding-left:1.35em}
.prose ol{list-style:decimal;padding-left:1.35em}
.prose li + li{margin-top:.45em}
.prose a{color:var(--gold);text-decoration:none;border-bottom:1px solid rgba(224,177,92,.4)}
.prose a:hover{border-bottom-color:var(--gold)}
.prose code{font-family:var(--font-mono);font-size:.94em;color:var(--gold)}

/* 图片容器基础（页面阶段放占位图） */
.media{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:linear-gradient(160deg,#17334F,#0C2033 70%);
  aspect-ratio:16/9;
}
.media img,.media picture{width:100%;height:100%;display:block;object-fit:cover}
.media--wide{aspect-ratio:21/9}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:4/5}
.media--texture::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(147,161,176,.10) 0 1px,transparent 1px 44px),
    repeating-linear-gradient(0deg,rgba(147,161,176,.07) 0 1px,transparent 1px 44px);
}
.media__cap{
  position:absolute;left:14px;bottom:14px;z-index:2;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12.5px;color:#D6E0EA;
  background:rgba(8,19,32,.74);
  border:1px solid var(--line);
}

/* 显现 */
html.js [data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity .32s var(--ea),transform .32s var(--ea);
}
html.js [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 8. 页脚 ---------- */
.sitefoot{
  position:relative;
  margin-top:clamp(64px,9vw,120px);
  background:var(--ink-3);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.sitefoot::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(42,74,107,.22) 0 1px,transparent 1px 96px),
    radial-gradient(600px 260px at 12% 0%,rgba(224,177,92,.08),transparent 70%);
}
.sitefoot__rail{
  position:relative;
  width:min(100%,var(--shell));
  margin-inline:auto;
  padding-inline:var(--gutter);
  height:56px;
  display:flex;align-items:center;justify-content:space-between;
}
.sitefoot__rail::before{
  content:"";position:absolute;left:var(--gutter);right:var(--gutter);top:calc(50% - .5px);
  height:1px;
  background:repeating-linear-gradient(90deg,rgba(42,74,107,.95) 0 12px,transparent 12px 24px);
}
.sitefoot__rail span{
  position:relative;
  width:9px;height:9px;border-radius:50%;
  background:var(--ink-3);border:1px solid var(--line);
}
.sitefoot__rail span:first-child{
  background:var(--gold);border-color:var(--gold);
  box-shadow:0 0 0 5px rgba(224,177,92,.13);
}
.sitefoot__rail span:last-child{
  background:var(--acc);border-color:var(--acc);
  box-shadow:0 0 0 5px rgba(216,65,47,.12);
}

.footgrid{
  position:relative;
  display:grid;
  grid-template-columns:1.6fr 1fr 1.1fr 1.4fr;
  gap:clamp(24px,3.2vw,52px);
  padding-block:clamp(24px,3.6vw,44px) clamp(30px,4vw,54px);
}
.footcol{min-width:0}
.footcol__title{
  font-size:12.5px;font-weight:700;letter-spacing:.15em;
  color:var(--gold);margin-bottom:15px;
}
.footcol__lead{
  margin-top:16px;font-size:14.5px;line-height:1.7;
  color:#B7C4D2;max-width:34ch;
}
.footcol__note{
  margin-top:12px;font-size:13px;line-height:1.7;color:#7E8D9C;max-width:34ch;
}
.brand--foot .brand__mark{width:36px;height:36px;border-radius:11px;font-size:12.5px}
.brand--foot .brand__meta{font-family:var(--font-mono);letter-spacing:.02em}

.footlinks{display:flex;flex-direction:column;gap:10px}
.footlinks a{
  font-size:14.5px;color:#B7C4D2;text-decoration:none;
  transition:color .2s,padding-left .2s var(--ea);
}
.footlinks a:hover{color:var(--gold);padding-left:4px}

.footmeta{display:flex;flex-direction:column;gap:12px}
.footmeta li{display:flex;flex-direction:column;gap:3px}
.footmeta__k{font-size:12px;letter-spacing:.08em;color:#7E8D9C}
.footmeta__v{font-size:14.5px;color:#D3DDE7;line-height:1.6;word-break:break-word}

.sitefoot__base{
  position:relative;
  background:rgba(4,10,18,.72);
  border-top:1px solid var(--line);
  padding-block:16px;
}
.sitefoot__basein{
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:8px 20px;
  font-size:13px;color:var(--grey);
}

/* ---------- 9. 响应式 ---------- */
@media (max-width:1180px){
  .cmdnav__list a{padding:8px 10px;font-size:13.5px}
  .btn{padding:10px 15px;font-size:14px}
}

@media (max-width:980px){
  :root{--head-h:60px}
  .grid--3,
  .grid--split,
  .grid--split-r{grid-template-columns:minmax(0,1fr)}
  .aside-rail{position:static;top:auto}

  .cmdnav{
    position:absolute;left:0;right:0;top:100%;
    display:none;
    flex-direction:column;align-items:stretch;gap:14px;
    margin:0;
    padding:14px var(--gutter) 22px;
    background:linear-gradient(180deg,#0E2136,#0A1A2A);
    border-bottom:1px solid var(--line);
    box-shadow:0 30px 52px -34px rgba(0,0,0,.95);
    max-height:calc(100vh - var(--head-h));
    overflow-y:auto;
  }
  .cmdnav[data-open="true"]{display:flex}
  .cmdnav__list{flex-direction:column;align-items:stretch;gap:5px}
  .cmdnav__list a{
    padding:13px 16px;border-radius:14px;font-size:16px;
    background:rgba(42,74,107,.22);
  }
  .cmdnav__acts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .cmdbar__acts{display:none}
  .navtoggle{display:inline-flex}

  .footgrid{grid-template-columns:1fr 1fr}
  .footcol--brand{grid-column:1 / -1}
  .footcol__lead,.footcol__note{max-width:56ch}
}

@media (max-width:640px){
  body{font-size:16px}
  .grid--2{grid-template-columns:minmax(0,1fr)}
  .brand__meta{display:none}
  .brand__mark{width:36px;height:36px;border-radius:12px}
  .brand__name{font-size:15.5px}
  .cmdnav__acts{grid-template-columns:1fr}
  .footgrid{grid-template-columns:1fr;gap:30px}
  .sitefoot__basein{justify-content:flex-start}
  .band{min-height:auto;padding:12px 14px;border-radius:var(--r-lg)}
  .band--tall{min-height:auto}
}

/* ---------- 10. 动效偏好 ---------- */
@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.js [data-reveal]{opacity:1;transform:none}
  .dot{animation:none;box-shadow:0 0 0 3px rgba(62,158,143,.18)}
}