/* ============================================================
   金年会主站 · 共享样式表 /assets/site.css
   夜墨绿指挥中心 · 荧光青锚点 · 粗野主义框景
   ============================================================ */

/* ---------- 01 Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
img{height:auto}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
[hidden]{display:none !important}

/* ---------- 02 变量 ---------- */
:root{
  --ink:#08120F;
  --panel:#0E211B;
  --raise:#16352C;
  --cyan:#00F0C8;
  --cyan-soft:#8CFBE0;
  --orange:#FF7A2F;
  --violet:#9B6BFF;
  --text:#E8FBF4;
  --muted:#9DBBB0;
  --line:#2C4C41;
  --line-strong:#3E6B5C;
  --shadow-hard:10px 10px 0 #04100C;
  --shell:1280px;
  --gut:24px;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --disp:"Archivo Narrow","Oswald","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}

/* ---------- 03 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:radial-gradient(rgba(0,240,200,.09) 1px,transparent 1px);
  background-size:24px 24px;
  background-position:0 0;
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--cyan);color:var(--ink)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
#main-content{display:block;scroll-margin-top:92px}

h1,h2,h3,h4{line-height:1.2;font-weight:700}
h1{font-size:clamp(2.2rem,5vw,4rem)}
h2{font-size:clamp(1.6rem,3vw,2.4rem)}
h3{font-size:1.15rem}
strong{color:#FFFFFF}
b{font-weight:700}

.shell{width:100%;max-width:var(--shell);margin-inline:auto;padding-inline:var(--gut)}
.section{padding-block:clamp(40px,6vw,84px)}
.section--tight{padding-block:clamp(24px,3.4vw,44px)}

.display{
  font-family:var(--disp);
  font-weight:300;
  font-size:clamp(2.6rem,7.5vw,6.5rem);
  line-height:.98;
  letter-spacing:.04em;
  color:var(--text);
}
.display--latin{text-transform:uppercase;letter-spacing:.12em;font-weight:200}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--cyan)}
.idx{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}
.mono{font-family:var(--mono)}
.num{font-family:var(--mono);font-weight:700;font-size:1.7em;line-height:1;color:var(--orange);letter-spacing:-.01em}
.muted{color:var(--muted)}
.lede{font-size:clamp(16px,1.3vw,19px);line-height:1.7;color:var(--cyan-soft);max-width:34em}

.prose{max-width:34em}
.prose > * + *{margin-top:14px}
.prose h2{font-family:var(--disp);font-size:clamp(1.5rem,2.4vw,2rem);letter-spacing:.03em;margin-top:34px}
.prose h3{font-size:1.075rem;margin-top:26px;color:var(--text)}
.prose p{color:#CFE9E0}
.prose ul,.prose ol{display:grid;gap:10px}
.prose li{position:relative;padding-left:20px;color:#CFE9E0}
.prose li::before{content:"";position:absolute;left:0;top:.75em;width:9px;height:2px;background:var(--cyan)}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(0,240,200,.45)}
.prose a:hover{color:var(--cyan-soft);border-bottom-color:var(--cyan-soft)}

/* ---------- 04 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border:2px solid var(--line);background:var(--raise);
  color:var(--text);font-size:14px;font-weight:600;letter-spacing:.06em;
  cursor:pointer;box-shadow:5px 5px 0 rgba(0,0,0,.5);
  transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease,background 160ms ease,color 160ms ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 rgba(0,0,0,.55);border-color:var(--cyan)}
.btn:active{transform:translate(1px,1px);box-shadow:2px 2px 0 rgba(0,0,0,.5)}
.btn--primary{background:var(--orange);border-color:var(--orange);color:#160802}
.btn--primary:hover{background:#FF9159;border-color:#FF9159;color:#160802}
.btn--ghost{background:transparent;border-color:var(--cyan);color:var(--cyan)}
.btn--ghost:hover{background:rgba(0,240,200,.1);border-color:var(--cyan-soft);color:var(--cyan-soft)}
.btn--sm{padding:9px 14px;font-size:13px}
.btn--block{width:100%}

/* ---------- 05 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  padding-block:18px;font-family:var(--mono);font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.crumbs__item{display:inline-flex;align-items:center;gap:9px}
.crumbs__link{color:var(--muted);transition:color 160ms ease}
.crumbs__link:hover{color:var(--cyan)}
.crumbs__sep{color:var(--line-strong)}
.crumbs__current{color:var(--cyan-soft)}

/* ---------- 06 网格与卡片 ---------- */
.grid12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gut)}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

.card{
  position:relative;border:2px solid var(--line);background:var(--panel);
  padding:clamp(16px,2vw,24px);box-shadow:6px 6px 0 rgba(0,0,0,.45);
  transition:border-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
}
.card:hover{border-color:var(--cyan);transform:translate(-2px,-2px);box-shadow:9px 9px 0 rgba(0,0,0,.5)}
.card__meta{display:flex;justify-content:space-between;gap:10px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.card__title{margin-top:12px;font-size:1.18rem;letter-spacing:.02em}
.card__text{margin-top:10px;color:var(--muted);font-size:14.5px}

/* ---------- 07 框景 / 刻度 / 标签 ---------- */
.frame{position:relative;border:2px solid var(--line);background:var(--panel);box-shadow:var(--shadow-hard)}
.frame__tag{
  position:absolute;top:-2px;left:-2px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;
  background:var(--cyan);color:var(--ink);font-family:var(--mono);
  font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
}
.frame__body{padding:clamp(20px,3vw,36px)}
.frame--cut{clip-path:polygon(0 0,calc(100% - 30px) 0,100% 30px,100% 100%,0 100%);box-shadow:none}

.ruler{height:10px;background-image:repeating-linear-gradient(90deg,var(--line-strong) 0 2px,transparent 2px 16px);opacity:.75}
.ruler--cyan{background-image:repeating-linear-gradient(90deg,var(--cyan) 0 2px,transparent 2px 16px);opacity:.9}

.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;
  border:1px solid var(--line);background:rgba(0,240,200,.06);
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--cyan-soft);
}
.tag--violet{color:#C9B4FF;border-color:#4B3A7A;background:rgba(155,107,255,.12)}
.tag--orange{color:#FFB183;border-color:#7A3E1C;background:rgba(255,122,47,.12)}

/* ---------- 08 图片容器 ---------- */
.media{position:relative;overflow:hidden;border:2px solid var(--line);background:var(--raise)}
.media img{width:100%;height:100%;object-fit:cover}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(8,18,15,0) 42%,rgba(8,18,15,.72) 100%);
}
.media--21x9{aspect-ratio:21/9}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--ph{background-image:repeating-linear-gradient(45deg,rgba(0,240,200,.09) 0 2px,transparent 2px 12px)}
.media__cap{
  position:absolute;left:0;bottom:0;z-index:2;padding:8px 12px;
  background:rgba(8,18,15,.82);border-top:2px solid var(--cyan);
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--cyan-soft);
}

/* ---------- 09 手风琴 ---------- */
.fold{
  border:2px solid var(--line);border-left:2px solid var(--line);
  background:var(--panel);margin-bottom:12px;
  transition:border-color 200ms ease,background 200ms ease;
}
.fold[data-open]{border-left-color:var(--cyan);background:var(--raise)}
.fold__head{
  display:flex;align-items:center;gap:12px;width:100%;padding:16px 18px;
  background:transparent;text-align:left;color:var(--text);
  font-size:16px;font-weight:600;cursor:pointer;
}
.fold__sign{position:relative;flex:0 0 auto;width:14px;height:14px}
.fold__sign::before,.fold__sign::after{content:"";position:absolute;background:var(--cyan)}
.fold__sign::before{left:0;top:6px;width:14px;height:2px}
.fold__sign::after{left:6px;top:0;width:2px;height:14px;transition:transform 200ms ease,opacity 200ms ease}
.fold[data-open] .fold__sign::after{transform:scaleY(0);opacity:0}
.fold__index{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}
.fold__state{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}
.fold[data-open] .fold__state{color:var(--cyan)}
.fold__body{display:grid;grid-template-rows:0fr;transition:grid-template-rows 240ms ease}
.fold[data-open] .fold__body{grid-template-rows:1fr}
.fold__inner{overflow:hidden;visibility:hidden;transition:visibility 0s linear 240ms}
.fold[data-open] .fold__inner{visibility:visible;transition-delay:0s}
.fold__content{padding:0 18px 18px;color:var(--muted);font-size:15px}
.fold__content > * + *{margin-top:12px}

/* ---------- 10 分段控件 ---------- */
.tabs__bar{display:flex;flex-wrap:wrap;border:2px solid var(--line);background:var(--panel)}
.tabs__btn{
  flex:1 1 auto;padding:12px 16px;border-right:2px solid var(--line);
  color:var(--muted);font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  cursor:pointer;transition:background 160ms ease,color 160ms ease,box-shadow 160ms ease;
}
.tabs__btn:last-child{border-right:0}
.tabs__btn:hover{color:var(--cyan-soft);background:var(--raise)}
.tabs__btn[aria-selected="true"]{background:var(--raise);color:var(--cyan);box-shadow:inset 0 -2px 0 var(--cyan)}
.tabs__panel{padding-top:22px}

/* ---------- 11 显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 12 跳转链接 ---------- */
.skip-link{
  position:absolute;left:12px;top:-70px;z-index:120;
  padding:10px 16px;background:var(--cyan);color:var(--ink);
  font-weight:700;font-size:14px;border:2px solid var(--ink);
  transition:top 160ms ease;
}
.skip-link:focus{top:10px}

/* ============================================================
   13 命令栏头部
   ============================================================ */
.cmd-bar{
  position:sticky;top:0;z-index:60;
  background:#08120F;
  border-bottom:2px solid var(--line);
}
.cmd-bar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),transparent 60%);
  opacity:.8;
}
.cmd-bar__inner{
  display:flex;align-items:center;gap:12px;
  min-height:68px;transition:min-height 240ms ease;
}
.cmd-bar[data-scrolled] .cmd-bar__inner{min-height:56px}

.brand{display:inline-flex;align-items:center;gap:9px;flex:0 0 auto;padding:6px 2px}
.brand__dot{
  width:10px;height:10px;background:var(--cyan);
  box-shadow:0 0 12px rgba(0,240,200,.85);
}
.brand__word{font-family:var(--disp);font-size:19px;font-weight:700;letter-spacing:.08em}
.brand__tag{
  padding:2px 6px;background:var(--cyan);color:var(--ink);
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.18em;
}

.cmd-nav{margin-left:6px;min-width:0}
.cmd-nav__head{display:none}
.cmd-nav__list{display:flex;align-items:stretch;gap:2px}
.cmd-nav__item{display:flex}
.cmd-nav__link{
  display:flex;align-items:baseline;gap:7px;padding:10px 11px;
  border-bottom:2px solid transparent;color:var(--muted);font-size:14px;
  transition:color 180ms ease,border-color 180ms ease,background 180ms ease;
}
.cmd-nav__index{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  color:var(--line-strong);transition:color 180ms ease;
}
.cmd-nav__label{white-space:nowrap}
.cmd-nav__link:hover{color:var(--cyan-soft);border-bottom-color:var(--line-strong)}
.cmd-nav__link:hover .cmd-nav__index{color:var(--cyan-soft)}
.cmd-nav__link[aria-current="page"]{
  color:var(--text);border-bottom-color:var(--cyan);
  background:linear-gradient(180deg,transparent 58%,rgba(0,240,200,.1));
}
.cmd-nav__link[aria-current="page"] .cmd-nav__index{color:var(--cyan)}

.cmd-status{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);
}
.cmd-status__pulse{
  width:8px;height:8px;border-radius:50%;background:var(--cyan);
  animation:pulse 2.4s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,240,200,.55)}
  70%{box-shadow:0 0 0 9px rgba(0,240,200,0)}
  100%{box-shadow:0 0 0 0 rgba(0,240,200,0)}
}
.cmd-bar__cta{margin-left:auto}

.nav-toggle{
  display:none;align-items:center;gap:9px;padding:9px 12px;
  border:2px solid var(--line);background:var(--raise);color:var(--text);
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;cursor:pointer;
  transition:border-color 180ms ease,color 180ms ease,background 180ms ease;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan-soft)}
.nav-toggle__bars{position:relative;display:block;width:18px;height:2px;background:var(--cyan)}
.nav-toggle__bars::before,.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--cyan);
  transition:transform 220ms ease,opacity 180ms ease;
}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}

.cmd-bar__progress{
  position:absolute;left:0;right:0;bottom:-2px;height:2px;z-index:2;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-soft) 55%,var(--violet));
}

/* ============================================================
   14 页脚
   ============================================================ */
.foot{
  position:relative;margin-top:clamp(48px,7vw,96px);
  border-top:2px solid var(--line);
  background:linear-gradient(180deg,#0B1B16 0%,#08120F 100%);
}
.foot::before{
  content:"";position:absolute;left:0;right:0;top:-2px;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
  opacity:.55;
}
.foot__inner{padding-block:56px 28px}

.foot__lead{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:24px;align-items:end;
}
.foot__brand{min-width:0}
.foot__dot{
  display:inline-block;width:10px;height:10px;margin-right:9px;
  background:var(--cyan);box-shadow:0 0 12px rgba(0,240,200,.8);
}
.foot__name{font-family:var(--disp);font-size:24px;font-weight:700;letter-spacing:.1em}
.foot__slogan{margin-top:12px;max-width:34ch;color:var(--muted);font-size:14px}
.foot__quick{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.quick-link{
  display:inline-flex;align-items:center;gap:8px;padding:9px 14px;
  border:2px solid var(--line);background:var(--raise);color:var(--cyan-soft);
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;
  box-shadow:4px 4px 0 rgba(0,0,0,.45);
  transition:transform 160ms ease,box-shadow 160ms ease,border-color 160ms ease,color 160ms ease;
}
.quick-link::before{content:"";width:6px;height:6px;background:var(--orange)}
.quick-link:hover{
  transform:translate(-2px,-2px);box-shadow:6px 6px 0 rgba(0,0,0,.5);
  border-color:var(--orange);color:var(--text);
}

.foot__scale{
  display:block;height:8px;margin-block:26px;
  background-image:repeating-linear-gradient(90deg,var(--line-strong) 0 1px,transparent 1px 14px);
  opacity:.7;
}

.foot__grid{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,.9fr) minmax(0,1.4fr);
  gap:34px 44px;
  padding-block:6px 34px;
}
.foot__col{min-width:0}
.foot__title{
  padding-bottom:10px;margin-bottom:14px;
  border-bottom:1px solid var(--line);
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--cyan);
}
.foot__list{display:grid;gap:9px}
.foot__link{
  display:inline-flex;align-items:baseline;gap:8px;
  color:var(--muted);font-size:14px;
  transition:color 160ms ease,transform 160ms ease;
}
.foot__link::before{content:"—";font-family:var(--mono);font-size:11px;color:var(--line-strong)}
.foot__link:hover{color:var(--cyan-soft);transform:translateX(3px)}

.foot__legend{display:grid;gap:10px}
.foot__legend li{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:8px;border-bottom:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}
.foot__legend b{font-family:var(--mono);font-size:14px;font-weight:600;color:var(--cyan-soft)}

.foot__list--contact{gap:14px}
.foot__list--contact li{display:grid;gap:3px}
.foot__k{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--muted)}
.foot__v{font-size:14px;color:var(--text);word-break:break-word}
.foot__note{
  margin-top:14px;padding-left:10px;border-left:2px solid var(--orange);
  font-size:12px;color:var(--muted);
}

.foot__meta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;padding-top:20px;border-top:2px solid var(--line);
  font-family:var(--mono);font-size:12px;letter-spacing:.05em;color:var(--muted);
}
.foot__legal{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.foot__icp{color:var(--text)}
.foot__sep{color:var(--line-strong)}
.foot__copy{color:var(--muted)}

/* ============================================================
   15 响应式
   ============================================================ */
@media (max-width:1180px){
  .cmd-status{display:none}
}
@media (max-width:1024px){
  .foot__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  :root{--gut:18px}
  .cmd-bar__inner{min-height:60px;gap:10px}
  .cmd-bar[data-scrolled] .cmd-bar__inner{min-height:56px}
  .cmd-bar__cta{padding:9px 12px;font-size:13px}

  .nav-toggle{display:inline-flex;margin-left:auto}
  .cmd-bar__cta{margin-left:0}

  .cmd-nav{
    position:fixed;left:0;right:0;bottom:0;z-index:80;
    margin:0;padding:16px 16px calc(18px + env(safe-area-inset-bottom));
    max-height:78vh;overflow-y:auto;
    background:var(--panel);border-top:2px solid var(--cyan);
    box-shadow:0 -16px 44px rgba(0,0,0,.65);
    transform:translateY(112%);visibility:hidden;
    transition:transform 260ms cubic-bezier(.2,.7,.3,1),visibility 260ms;
  }
  .cmd-nav[data-open]{transform:translateY(0);visibility:visible}
  .cmd-nav__head{
    display:block;margin-bottom:12px;
    font-family:var(--mono);font-size:11px;letter-spacing:.18em;
    text-transform:uppercase;color:var(--muted);
  }
  .cmd-nav__list{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .cmd-nav__item{display:block}
  .cmd-nav__link{
    padding:13px 12px;border:2px solid var(--line);border-bottom-width:2px;
    background:var(--raise);font-size:14px;
  }
  .cmd-nav__link:hover{border-color:var(--line-strong);border-bottom-color:var(--line-strong)}
  .cmd-nav__link[aria-current="page"]{
    border-color:var(--cyan);background:rgba(0,240,200,.1);
  }

  .foot__lead{grid-template-columns:1fr;align-items:start}
  .foot__quick{justify-content:flex-start}
  .grid12{grid-template-columns:repeat(4,minmax(0,1fr))}
  .col-4,.col-5,.col-6,.col-7,.col-8,.col-12{grid-column:span 4}
}
@media (max-width:640px){
  .cmd-nav__list{grid-template-columns:1fr}
  .brand__word{font-size:17px}
  .foot__grid{grid-template-columns:1fr;gap:28px}
  .foot__meta{flex-direction:column;align-items:flex-start}
  .foot__inner{padding-block:44px 24px}
}

/* ============================================================
   16 降低动效
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .cmd-nav{transition:none}
}