/* ============================================================
   亚博主站 · 共享样式 /assets/site.css
   深墨蓝战术板：极细描边、模块化分区、数据化排版
   ============================================================ */

/* ---------- 变量 ---------- */
:root{
  --ink-900:#080E1A;
  --ink-800:#0F1728;
  --ink-700:#16223A;
  --line:#22304A;
  --line-strong:#2E3F5E;
  --text:#E9F0F9;
  --muted:#93A6C0;
  --green:#2ED47A;
  --orange:#FF7A33;
  --amber:#FFC24B;
  --cyan:#3EC9F0;
  --blue:#4B7BFF;
  --paper:#F4F7FB;
  --paper-ink:#101B2E;

  --font-title:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;

  --gap:8px;
  --wrap:1440px;
  --pad:clamp(16px,4vw,40px);
  --radius:2px;
  --dur:.24s;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{margin:0;padding:0;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(34,48,74,.18) 0 1px,transparent 1px 72px),
    repeating-linear-gradient(90deg,rgba(34,48,74,.13) 0 1px,transparent 1px 72px),
    radial-gradient(900px 480px at 12% -12%,rgba(46,212,122,.07),transparent 70%),
    radial-gradient(760px 420px at 92% 4%,rgba(255,122,51,.05),transparent 72%);
}
img,svg,video{max-width:100%;display:block}
h1,h2,h3,h4,p,ul,ol,figure,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0}
a{color:inherit}
table{border-collapse:collapse;width:100%}

/* ---------- 排版 ---------- */
h1,h2,h3,h4{font-family:var(--font-title);font-weight:800;line-height:1.06;letter-spacing:-.01em}
h1{font-size:clamp(44px,7vw,96px)}
h2{font-size:clamp(26px,3.4vw,40px);line-height:1.12}
h3{font-size:clamp(19px,2vw,24px);line-height:1.25}
h4{font-size:17px;line-height:1.3}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.text-muted{color:var(--muted)}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--green);
}
.kicker::before{content:"";width:16px;height:2px;background:currentColor;flex:none}
.rule{height:1px;background:var(--line);border:0;width:100%}

/* ---------- 布局 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.section{padding:clamp(40px,6vw,72px) 0;position:relative}
.section--panel{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--paper{background:var(--paper);color:var(--paper-ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--paper h1,.section--paper h2,.section--paper h3,.section--paper h4{color:var(--paper-ink)}
.section--paper .kicker{color:#1B7A4A}
.section--paper .text-muted{color:#4A5A72}
.section__head{display:grid;gap:10px;margin-bottom:24px;max-width:820px}
.stack{display:grid;gap:var(--gap);align-content:start}
.grid{display:grid;gap:var(--gap)}
.grid--12{grid-template-columns:repeat(12,minmax(0,1fr))}
.span-2{grid-column:span 2}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-9{grid-column:span 9}
.span-12{grid-column:span 12}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border:1px solid transparent;border-radius:var(--radius);
  font-family:var(--font-body);font-size:14px;font-weight:700;letter-spacing:.02em;line-height:1;
  text-decoration:none;cursor:pointer;
  transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.btn--primary{background:var(--orange);border-color:var(--orange);color:#180A02}
.btn--primary:hover{background:#FF9059;border-color:#FF9059}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn--ghost:hover{border-color:var(--green);color:var(--green)}
.btn--green{background:var(--green);border-color:var(--green);color:#04210F}
.btn--green:hover{background:#55E194;border-color:#55E194}
.btn--sm{padding:8px 14px;font-size:13px}
.btn--block{width:100%}

/* ---------- 标签与状态 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 8px;border:1px solid var(--line);border-radius:var(--radius);
  font-size:12px;font-weight:700;letter-spacing:.06em;line-height:1.6;
  color:var(--muted);background:rgba(255,255,255,.02);white-space:nowrap;
}
.tag--green{color:var(--green);border-color:rgba(46,212,122,.4);background:rgba(46,212,122,.08)}
.tag--orange{color:var(--orange);border-color:rgba(255,122,51,.42);background:rgba(255,122,51,.08)}
.tag--amber{color:var(--amber);border-color:rgba(255,194,75,.45);background:rgba(255,194,75,.09)}
.tag--cyan{color:var(--cyan);border-color:rgba(62,201,240,.4);background:linear-gradient(90deg,rgba(62,201,240,.12),rgba(75,123,255,.12))}
.dot{width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}

/* ---------- 卡片 ---------- */
.card{
  position:relative;display:grid;gap:12px;align-content:start;
  padding:clamp(16px,2vw,24px);
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);
}
.card--dark{background:var(--ink-900)}
.card--lift{transition:transform var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease}
.card--lift:hover{transform:translateY(-2px);border-color:var(--line-strong);background:var(--ink-700)}
.card--accent{border-color:rgba(255,122,51,.45)}
.card--accent::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--orange)}
.card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--font-mono);font-size:12px;color:var(--muted)}
.card__title{font-family:var(--font-title);font-size:clamp(20px,2.2vw,26px);line-height:1.15;letter-spacing:-.01em}
.card__text{font-size:15.5px;line-height:1.7;color:var(--muted)}
.card__foot{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px}

/* ---------- 数据块 ---------- */
.stat{display:grid;gap:4px}
.stat__value{font-family:var(--font-mono);font-weight:600;font-size:clamp(34px,5vw,56px);line-height:1;color:var(--text)}
.stat__label{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--muted)}
.data-list{border-top:1px solid var(--line)}
.data-list__row{
  display:grid;grid-template-columns:minmax(96px,auto) 1fr;gap:12px;align-items:baseline;
  padding:10px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.data-list__key{font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.data-list__val{font-family:var(--font-mono);color:var(--text)}

/* ---------- 筛选栏 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:6px;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);
}
.filter-bar__btn{
  padding:8px 12px;border:1px solid transparent;border-radius:var(--radius);cursor:pointer;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--muted);
  transition:color var(--dur) ease,background var(--dur) ease,border-color var(--dur) ease;
}
.filter-bar__btn:hover{color:var(--text);background:var(--ink-700)}
.filter-bar__btn[aria-pressed="true"]{color:#04210F;background:var(--green);border-color:var(--green)}
.is-hidden{display:none !important}

/* ---------- 图片容器（页面阶段放图） ---------- */
.figure-frame{
  position:relative;overflow:hidden;min-height:160px;aspect-ratio:16/9;
  background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);
}
.figure-frame img,.figure-frame svg{width:100%;height:100%;object-fit:cover;filter:saturate(.85) contrast(1.03) brightness(.95)}
.figure-frame--wide{aspect-ratio:21/9}
.figure-frame--tall{aspect-ratio:4/5}
.figure-frame--square{aspect-ratio:1/1}
.figure-frame--glow::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(60% 70% at 82% 12%,rgba(46,212,122,.22),transparent 70%),
    radial-gradient(52% 62% at 8% 92%,rgba(255,122,51,.18),transparent 72%);
}
.figure-frame--placeholder{
  background-image:
    repeating-linear-gradient(135deg,rgba(34,48,74,.65) 0 1px,transparent 1px 12px),
    radial-gradient(70% 80% at 18% 8%,rgba(46,212,122,.13),transparent 70%),
    linear-gradient(180deg,var(--ink-800),var(--ink-900));
}
.figure-frame__caption{
  position:absolute;left:0;right:0;bottom:0;padding:10px 12px;
  font-size:12px;color:var(--muted);
  background:linear-gradient(180deg,transparent,rgba(8,14,26,.92));
}
.media-grid{display:grid;gap:var(--gap);grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}

/* ---------- 面包屑 ---------- */
.breadcrumbs{margin-bottom:20px;font-size:12.5px;color:var(--muted)}
.breadcrumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumbs__item{display:flex;align-items:center;gap:8px}
.breadcrumbs__item+.breadcrumbs__item::before{content:"/";color:#3A4C6B}
.breadcrumbs__link{color:var(--muted);text-decoration:none;transition:color var(--dur) ease}
.breadcrumbs__link:hover{color:var(--green)}
.breadcrumbs__current{color:var(--text);font-weight:600}

/* ---------- 正文容器 ---------- */
.prose{max-width:680px;font-size:17px;line-height:1.75;color:var(--text)}
.prose>*+*{margin-top:16px}
.prose h2{font-size:clamp(24px,2.6vw,32px);margin-top:32px}
.prose h3{font-size:20px;margin-top:24px}
.prose p{color:inherit}
.prose a{color:var(--green);text-decoration:underline;text-underline-offset:3px}
.prose ul{list-style:disc;padding-left:1.25em}
.prose ol{list-style:decimal;padding-left:1.25em}
.prose li+li{margin-top:6px}
.prose code{font-family:var(--font-mono);font-size:.92em;background:var(--ink-800);border:1px solid var(--line);padding:1px 5px;border-radius:var(--radius)}
.section--paper .prose code{background:#E7EDF6;border-color:#CFDAE9}

/* ---------- 跳转链接与焦点 ---------- */
.skip-link{
  position:absolute;left:12px;top:-64px;z-index:200;
  padding:10px 16px;background:var(--green);color:#04210F;
  font-size:13px;font-weight:700;text-decoration:none;border-radius:var(--radius);
  transition:top var(--dur) ease;
}
.skip-link:focus{top:12px}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:var(--radius)}
.btn--primary:focus-visible{outline-color:var(--orange)}
.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}

/* ============================================================
   页头：框架式导航（顶部细线 + 品牌左锚 + 竖线栏目带）
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.site-header__utility{background:var(--ink-800);border-bottom:1px solid var(--line)}
.site-header__utility-inner{
  max-width:var(--wrap);margin:0 auto;padding:7px var(--pad);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.site-header__note{
  font-size:12px;letter-spacing:.02em;color:var(--muted);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.quick-links{display:flex;align-items:center;gap:0;flex:none}
.quick-links__item{border-left:1px solid var(--line)}
.quick-links__item:last-child{border-right:1px solid var(--line)}
.quick-links__link{
  display:block;padding:2px 12px;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--muted);text-decoration:none;transition:color var(--dur) ease,background var(--dur) ease;
}
.quick-links__link:hover{color:var(--green);background:rgba(46,212,122,.06)}

.site-header__frame{
  position:relative;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);
  display:flex;align-items:center;gap:20px;min-height:66px;
}
.brand{display:flex;align-items:center;gap:10px;padding:10px 0;margin-right:auto;text-decoration:none;color:var(--text)}
.brand__mark{
  width:14px;height:28px;flex:none;border-radius:1px;
  background:linear-gradient(180deg,var(--green) 0%,var(--green) 42%,var(--orange) 42%,var(--orange) 100%);
  box-shadow:0 0 0 1px var(--line);
}
.brand__text{display:grid;gap:1px}
.brand__name{font-family:var(--font-title);font-size:21px;font-weight:800;letter-spacing:.01em;line-height:1.1}
.brand__line{font-size:11px;letter-spacing:.08em;color:var(--muted);line-height:1.4}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 12px;background:var(--ink-800);border:1px solid var(--line);border-radius:var(--radius);
  color:var(--text);cursor:pointer;transition:color var(--dur) ease,border-color var(--dur) ease;
}
.nav-toggle__bars{display:grid;gap:4px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;transition:transform var(--dur) ease,opacity .2s ease}
.nav-toggle__label{font-size:12px;font-weight:700;letter-spacing:.06em}
.nav-toggle[aria-expanded="true"]{color:var(--orange);border-color:rgba(255,122,51,.55)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.site-nav{display:flex;align-items:center;gap:14px}
.site-nav__list{display:flex;align-items:center;border-left:1px solid var(--line)}
.site-nav__item{border-right:1px solid var(--line)}
.site-nav__link{
  position:relative;display:block;padding:24px 14px;
  font-size:14px;font-weight:600;letter-spacing:.02em;color:var(--muted);text-decoration:none;
  transition:color var(--dur) ease,background var(--dur) ease;
}
.site-nav__link::after{
  content:"";position:absolute;left:14px;bottom:-1px;width:0;height:2px;
  background:var(--orange);transition:width var(--dur) ease;
}
.site-nav__link:hover{color:var(--text);background:var(--ink-800)}
.site-nav__link:hover::after{width:14px}
.site-nav__link[aria-current="page"]{color:var(--text)}
.site-nav__link[aria-current="page"]::after{width:22px;background:var(--orange)}
.site-nav__actions{display:flex;align-items:center;gap:10px;flex:none}

.site-header__progress{
  position:absolute;left:0;bottom:-1px;width:100%;height:2px;z-index:2;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--green) 0%,var(--cyan) 46%,var(--orange) 100%);
  transition:transform .1s linear;
}

/* ============================================================
   页脚：四列信息板 + 底栏
   ============================================================ */
.site-footer{margin-top:clamp(40px,6vw,72px);background:var(--ink-800);border-top:1px solid var(--line)}
.site-footer__inner{
  max-width:var(--wrap);margin:0 auto;padding:clamp(32px,4vw,52px) var(--pad) clamp(24px,3vw,36px);
  display:grid;gap:32px 24px;grid-template-columns:minmax(0,1.7fr) repeat(3,minmax(0,1fr));
}
.footer-brand{display:grid;gap:14px;align-content:start;max-width:420px}
.brand--footer{margin-right:0}
.footer-brand__desc{font-size:14px;line-height:1.75;color:var(--muted)}
.footer-stats{display:flex;flex-wrap:wrap;gap:8px}
.footer-stats__item{
  display:grid;gap:2px;min-width:88px;padding:8px 12px;
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.02);
}
.footer-stats__value{font-family:var(--font-mono);font-size:18px;line-height:1.2;color:var(--green)}
.footer-stats__label{font-size:11.5px;letter-spacing:.06em;color:var(--muted)}
.footer-col__title{
  font-family:var(--font-title);font-size:15px;font-weight:800;letter-spacing:.1em;
  text-transform:uppercase;color:var(--text);margin-bottom:14px;
}
.footer-links{display:grid;gap:8px}
.footer-links__link{
  display:inline-block;padding-left:10px;border-left:2px solid transparent;
  font-size:14px;color:var(--muted);text-decoration:none;
  transition:color var(--dur) ease,border-color var(--dur) ease,padding-left var(--dur) ease;
}
.footer-links__link:hover{color:var(--text);border-color:var(--green);padding-left:14px}

.site-footer__base{border-top:1px solid var(--line);background:var(--ink-900)}
.site-footer__base-inner{
  max-width:var(--wrap);margin:0 auto;padding:18px var(--pad);
  display:grid;gap:6px;font-size:12.5px;line-height:1.7;color:var(--muted);
}
.footer-contact{font-family:var(--font-mono);color:var(--text);letter-spacing:.01em}
.footer-address{color:var(--muted)}
.footer-legal a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line);transition:color var(--dur) ease,border-color var(--dur) ease}
.footer-legal a:hover{color:var(--green);border-color:var(--green)}

/* ============================================================
   显现动效
   ============================================================ */
[data-reveal]{
  opacity:0;transform:translateY(12px);
  transition:opacity var(--dur) ease,transform var(--dur) ease;
  transition-delay:calc(var(--reveal-i,0) * 60ms);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1023px){
  .site-header__frame{min-height:60px;gap:12px}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;z-index:5;
    display:block;padding:12px var(--pad) 24px;
    background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    max-height:calc(100dvh - 120px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-6px);pointer-events:none;
    transition:opacity var(--dur) ease,transform var(--dur) ease,visibility var(--dur) ease;
  }
  .site-nav[data-open="true"]{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .site-nav__list{display:block;border-left:0}
  .site-nav__item{border-right:0;border-bottom:1px solid var(--line)}
  .site-nav__item:first-child{border-top:1px solid var(--line)}
  .site-nav__link{padding:14px 4px;font-size:16px}
  .site-nav__link::after{left:4px;bottom:-1px}
  .site-nav__link:hover::after{width:18px}
  .site-nav__link[aria-current="page"]::after{width:28px}
  .site-nav__actions{margin-top:16px}
  .site-nav__actions .btn{width:100%}
  .site-footer__inner{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1;max-width:none}
  .grid--12{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--12>[class*="span-"]{grid-column:span 2}
}
@media (max-width:767px){
  body{font-size:16px}
  .site-header__note{display:none}
  .site-header__utility-inner{justify-content:center;padding:6px var(--pad)}
  .quick-links__link{padding:2px 10px}
  .site-footer__inner{grid-template-columns:1fr}
  .grid--12{grid-template-columns:1fr}
  .grid--12>[class*="span-"]{grid-column:span 1}
  .data-list__row{grid-template-columns:1fr;gap:2px}
  .brand__name{font-size:19px}
}

/* ============================================================
   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}
  [data-reveal]{transform:none;transition:opacity .18s linear;transition-delay:0ms}
  [data-reveal].is-visible{opacity:1;transform:none}
  .site-header__progress{transition:none}
  .card--lift:hover{transform:none}
}