*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body,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,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}

:root{
  --ink-void:#050912;
  --ink-space:#0A1020;
  --ink-module:#111B30;
  --line-blue:#253754;
  --flame:#FF5A2A;
  --flame-bright:#FF7B4D;
  --pitch:#2FBF71;
  --amber:#FFC247;
  --ice:#F5F8FC;
  --mist:#93A4BA;

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Condensed","Barlow Condensed","Roboto Condensed","Oswald","Arial Narrow",ui-sans-serif,sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --content-max:1360px;
  --wide-max:1600px;
  --pad-x:clamp(16px,4vw,48px);
  --gap:clamp(16px,2.4vw,28px);
  --radius:2px;
}

/* ---------- 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--ink-space);
  background-image:
    repeating-linear-gradient(90deg,rgba(37,55,84,.20) 0 1px,transparent 1px 96px),
    radial-gradient(120% 70% at 50% -12%,rgba(255,90,42,.10),transparent 62%);
  color:var(--ice);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
main{display:block}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.08;
}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--flame-bright);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--amber)}
strong{font-weight:700;color:var(--ice)}
small{font-size:.8125rem}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px}
::selection{background:var(--flame);color:var(--ink-void)}
.numeric{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:.01em;
}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0;
}
.rule{height:1px;border:0;background:var(--line-blue);margin:0}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:16px;top:-72px;z-index:120;
  padding:10px 18px;border-radius:var(--radius);
  background:var(--amber);color:var(--ink-void);
  font-size:14px;font-weight:700;letter-spacing:.02em;
  transition:top .18s ease;
}
.skip-link:focus{top:12px;color:var(--ink-void)}

/* ---------- 头部框架 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,16,32,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-blue);
  transition:box-shadow .25s ease;
}
.site-header[data-scrolled]{box-shadow:0 14px 34px rgba(5,9,18,.55)}
.header-frame{
  width:100%;max-width:var(--wide-max);
  margin-inline:auto;
  padding-inline:var(--pad-x);
}
.header-rail{
  display:flex;align-items:center;
  gap:12px 22px;flex-wrap:wrap;
  padding-block:14px;
  transition:padding .25s ease;
}
.site-header[data-scrolled] .header-rail{padding-block:9px}

.brand{display:inline-flex;align-items:center;gap:12px;color:var(--ice);text-decoration:none}
.brand:hover{color:var(--ice)}
.brand-mark{
  display:block;width:11px;height:26px;border-radius:1px;
  background:linear-gradient(180deg,var(--flame) 0 58%,var(--amber) 58% 100%);
  box-shadow:0 0 18px rgba(255,90,42,.35);
  flex:none;
}
.brand-text{display:flex;flex-direction:column;gap:2px}
.brand-name{
  font-family:var(--font-display);font-weight:900;font-size:19px;
  letter-spacing:-.01em;line-height:1.15;color:var(--ice);
}
.brand-line{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;
  color:var(--mist);line-height:1.3;
  transition:opacity .25s ease;
}
.site-header[data-scrolled] .brand-line{opacity:0}

.edition-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 10px;border:1px solid rgba(47,191,113,.42);border-radius:var(--radius);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--pitch);white-space:nowrap;margin:0;
}
.edition-dot{width:6px;height:6px;border-radius:50%;background:var(--pitch);box-shadow:0 0 0 3px rgba(47,191,113,.16);flex:none}

.nav-hint{
  display:inline-flex;align-items:center;gap:9px;margin:0;
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;
  color:var(--mist);white-space:nowrap;
}
.nav-hint::before{content:"";width:20px;height:1px;background:var(--flame);flex:none}

.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.header-hours{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--mist);white-space:nowrap;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:9px 17px;border:1px solid transparent;border-radius:var(--radius);
  font-family:var(--font-body);font-size:13.5px;font-weight:700;
  letter-spacing:.02em;line-height:1.35;text-align:center;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--flame);color:var(--ink-void);border-color:var(--flame)}
.btn--primary:hover{background:var(--flame-bright);border-color:var(--flame-bright);color:var(--ink-void);box-shadow:0 0 0 3px rgba(255,90,42,.18)}
.btn--ghost{background:transparent;border-color:var(--line-blue);color:var(--ice)}
.btn--ghost:hover{border-color:var(--flame-bright);color:var(--amber);background:rgba(255,90,42,.08)}
.btn--sm{padding:6px 12px;font-size:12.5px}

/* ---------- 移动导航按钮 ---------- */
.nav-toggle{
  display:none;width:40px;height:34px;flex:none;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--line-blue);border-radius:var(--radius);color:var(--ice);
  transition:border-color .18s ease,background-color .18s ease,color .18s ease;
}
.nav-toggle:hover{border-color:var(--flame-bright);background:rgba(255,90,42,.1);color:var(--amber)}
.nav-toggle-bar{
  display:block;width:18px;height:1.5px;background:currentColor;border-radius:1px;
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1){transform:translateY(3.25px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2){transform:translateY(-3.25px) rotate(-45deg)}

/* ---------- 导航刻度条 ---------- */
.site-nav{border-top:1px solid var(--line-blue)}
.site-nav-list{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));
  border-left:1px solid var(--line-blue);
}
.site-nav-item{border-right:1px solid var(--line-blue);min-width:0}
.site-nav-link{
  position:relative;display:flex;align-items:baseline;gap:9px;
  padding:11px 14px;
  font-size:13.5px;letter-spacing:.02em;color:var(--mist);
  text-decoration:none;
  transition:color .18s ease,background-color .18s ease;
}
.site-nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--flame);transform:scaleX(0);transform-origin:0 50%;
  transition:transform .26s ease;
}
.site-nav-link:hover{color:var(--ice);background:rgba(255,90,42,.07)}
.site-nav-link:hover::after{transform:scaleX(1)}
.site-nav-link[aria-current="page"]{
  color:var(--ice);font-weight:700;
  background:linear-gradient(180deg,rgba(255,90,42,0),rgba(255,90,42,.16));
}
.site-nav-link[aria-current="page"]::after{transform:scaleX(1)}
.site-nav-link[aria-current="page"] .nav-index{color:var(--flame-bright)}
.nav-index{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;
  color:var(--amber);line-height:1;flex:none;
}

/* ---------- 阅读进度 ---------- */
.header-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  overflow:hidden;pointer-events:none;background:transparent;
}
.header-progress-bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--flame),var(--amber));
  transition:transform .1s linear;
}

/* ---------- 容器与章节 ---------- */
.container{width:100%;max-width:var(--content-max);margin-inline:auto;padding-inline:var(--pad-x)}
.container--wide{max-width:var(--wide-max)}
.section{
  position:relative;
  padding-block:clamp(44px,7vw,96px);
  border-top:1px solid var(--line-blue);
}
.section--flush{padding-block:0}
.section-head{display:grid;gap:14px;margin-bottom:clamp(22px,4vw,44px);max-width:78ch}
.section-title{font-size:clamp(26px,4.4vw,46px);color:var(--ice)}
.section-sub{color:var(--mist);font-size:15px;max-width:60ch;margin:0}

.chapter{
  display:inline-flex;align-items:center;gap:10px;margin:0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.16em;
  color:var(--mist);
}
.chapter::before{content:"";width:26px;height:1px;background:var(--flame);flex:none}
.chapter-num{color:var(--amber);font-weight:700;letter-spacing:.1em}

.kicker{
  display:inline-block;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--flame-bright);
}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.rail-layout{
  display:grid;
  grid-template-columns:minmax(0,180px) minmax(0,1fr);
  gap:clamp(20px,3vw,52px);
  align-items:start;
}

/* ---------- 面板 ---------- */
.panel{
  position:relative;
  background:var(--ink-module);
  border:1px solid var(--line-blue);
  border-radius:var(--radius);
  overflow:hidden;
}
.panel--accent::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--flame);
}
.panel-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:15px 18px;border-bottom:1px solid var(--line-blue);
}
.panel-title{
  font-family:var(--font-display);font-size:18px;font-weight:900;
  letter-spacing:-.01em;color:var(--ice);margin:0;
}
.panel-body{padding:18px}

/* ---------- 数据表 ---------- */
.table-scroll{
  overflow-x:auto;
  background:var(--ink-module);
  border:1px solid var(--line-blue);
  border-radius:var(--radius);
}
.data-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:520px}
.data-table th,.data-table td{
  padding:11px 13px;text-align:left;border-bottom:1px solid var(--line-blue);
  vertical-align:middle;
}
.data-table thead th{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--mist);font-weight:500;
  background:rgba(5,9,18,.5);white-space:nowrap;
}
.data-table tbody tr{transition:background-color .18s ease}
.data-table tbody tr:hover td{background:rgba(37,55,84,.42)}
.data-table tbody tr:last-child td{border-bottom:0}
.data-table .num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  text-align:right;letter-spacing:.02em;color:var(--ice);white-space:nowrap;
}
.data-table tr.is-diff td{background:rgba(255,90,42,.1)}
.data-table tr.is-diff td:first-child{box-shadow:inset 3px 0 0 var(--flame)}
.data-table tr.is-diff .num{color:var(--amber)}

/* ---------- 标签 ---------- */
.tag-list{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border:1px solid var(--line-blue);border-radius:var(--radius);
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;
  color:var(--mist);white-space:nowrap;
}
.tag--live{color:var(--pitch);border-color:rgba(47,191,113,.48)}
.tag--amber{color:var(--amber);border-color:rgba(255,194,71,.48)}
.tag--flame{color:var(--flame-bright);border-color:rgba(255,90,42,.52)}

/* ---------- 对照行 ---------- */
.meta-list{display:grid;gap:10px}
.meta-item{
  display:flex;align-items:baseline;justify-content:space-between;gap:14px;
  padding-bottom:10px;border-bottom:1px dashed rgba(37,55,84,.95);
}
.meta-item:last-child{border-bottom:0;padding-bottom:0}
.meta-label{font-size:13px;color:var(--mist)}
.meta-value{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:15px;color:var(--ice);text-align:right;
}

/* ---------- 面包屑 ---------- */
.breadcrumbs{margin-block:18px 0}
.breadcrumbs-list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--mist);
}
.breadcrumbs-item{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumbs-item+.breadcrumbs-item::before{content:"/";color:var(--line-blue);flex:none}
.breadcrumbs-link{color:var(--mist)}
.breadcrumbs-link:hover{color:var(--flame-bright)}
.breadcrumbs-current{color:var(--amber)}

/* ---------- 旋转注释 ---------- */
.vertical-note{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-family:var(--font-mono);
  font-size:11.5px;letter-spacing:.34em;font-weight:500;
  color:var(--mist);
  padding-block:4px;
  border-left:1px solid var(--line-blue);
  justify-self:start;
}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--ink-void);
  border:1px solid var(--line-blue);
  border-radius:var(--radius);
}
.media-frame img,
.media-frame video{
  display:block;width:100%;height:100%;object-fit:cover;
  filter:saturate(.86) contrast(1.06) brightness(.82);
  transition:transform .5s ease,filter .5s ease;
}
.media-frame:hover img{transform:scale(1.03);filter:saturate(.96) contrast(1.08) brightness(.9)}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    repeating-linear-gradient(0deg,rgba(5,9,18,.26) 0 1px,transparent 1px 4px),
    radial-gradient(120% 100% at 50% 0%,rgba(255,90,42,.12),transparent 60%),
    linear-gradient(180deg,rgba(10,16,32,.05),rgba(5,9,18,.72));
}
.media-frame--wide{aspect-ratio:21/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}
.media-caption{
  display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:10px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--mist);
}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  background:var(--ink-void);
  border-top:1px solid var(--line-blue);
}
.footer-frame{
  position:relative;z-index:2;
  width:100%;max-width:var(--content-max);
  margin-inline:auto;
  padding:clamp(36px,5vw,68px) var(--pad-x) clamp(20px,2.5vw,28px);
}
.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,.85fr) minmax(0,1.2fr);
  gap:clamp(24px,3.6vw,52px);
  padding-bottom:clamp(26px,4vw,44px);
  border-bottom:1px solid var(--line-blue);
}
.footer-brand{display:grid;align-content:start;gap:0}
.footer-brand-link{
  display:inline-flex;flex-direction:column;gap:5px;
  font-family:var(--font-display);font-weight:900;font-size:22px;
  letter-spacing:-.01em;color:var(--ice);text-decoration:none;
  justify-self:start;
}
.footer-brand-link:hover{color:var(--ice)}
.footer-brand-sub{
  font-family:var(--font-mono);font-size:10.5px;font-weight:400;
  letter-spacing:.24em;text-transform:uppercase;color:var(--mist);
}
.footer-summary{margin-top:16px;max-width:46ch;font-size:14px;color:var(--mist);line-height:1.75}
.footer-status{
  display:inline-flex;align-items:center;gap:9px;margin:16px 0 0;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--pitch);
  justify-self:start;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--pitch);
  box-shadow:0 0 0 3px rgba(47,191,113,.18);flex:none;
}
.footer-col{display:grid;align-content:start;min-width:0}
.footer-col--contact{min-width:0}
.footer-heading{
  margin:0 0 16px;
  font-family:var(--font-mono);font-size:10.5px;font-weight:500;
  letter-spacing:.22em;text-transform:uppercase;color:var(--amber);
}
.footer-list{display:grid;gap:0}
.footer-list-item{border-bottom:1px solid rgba(37,55,84,.6)}
.footer-list-item:last-child{border-bottom:0}
.footer-link{
  display:flex;align-items:baseline;gap:11px;
  padding:9px 0;font-size:14.5px;color:var(--ice);
  transition:color .18s ease,padding-left .18s ease;
}
.footer-link:hover{color:var(--flame-bright);padding-left:6px}
.footer-link-index{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;
  color:var(--mist);flex:none;
}
.footer-contact{display:grid;gap:14px}
.footer-contact-item{display:grid;gap:3px}
.footer-contact-label{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--mist);
}
.footer-contact-value{
  font-size:14.5px;line-height:1.55;color:var(--ice);
  overflow-wrap:anywhere;word-break:break-word;
}
.footer-note{margin:16px 0 0;font-size:12.5px;line-height:1.75;color:var(--mist);max-width:32ch}
.footer-bottom{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px 28px;padding-top:22px;
}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;gap:6px 20px}
.legal-link{
  font-size:12.5px;color:var(--mist);letter-spacing:.02em;
  border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.legal-link:hover{color:var(--flame-bright);border-bottom-color:var(--flame-bright)}
.footer-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px 20px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--mist);
}
.footer-icp,.footer-copyright{color:var(--mist)}
.footer-watermark{
  position:absolute;z-index:0;
  right:-.05em;bottom:-.32em;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:clamp(90px,15vw,190px);line-height:.8;letter-spacing:-.02em;
  color:transparent;-webkit-text-stroke:1px rgba(37,55,84,.75);
  opacity:.55;pointer-events:none;user-select:none;
}

/* ---------- 显现 ---------- */
html.js-reveal [data-reveal]{
  opacity:0;transform:translateY(14px);
  transition:opacity .5s ease,transform .5s ease;
}
html.js-reveal [data-reveal][data-revealed]{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .header-hours{display:none}
}
@media (max-width:1080px){
  .nav-hint{display:none}
  .rail-layout{grid-template-columns:minmax(0,1fr)}
  .rail-layout .vertical-note{writing-mode:horizontal-tb;border-left:0;border-top:1px solid var(--line-blue);padding-top:8px;letter-spacing:.2em}
}
@media (max-width:960px){
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-brand{grid-column:1 / -1}

  .nav-toggle{display:inline-flex}
  .btn--ghost{display:none}

  .site-nav{
    position:absolute;left:0;right:0;top:100%;
    background:var(--ink-void);
    border-top:1px solid var(--line-blue);
    border-bottom:1px solid var(--line-blue);
    max-height:0;opacity:0;overflow:hidden;
    transition:max-height .28s ease,opacity .2s ease;
  }
  .site-nav[data-open="true"]{max-height:560px;opacity:1}
  .site-nav-list{
    grid-template-columns:minmax(0,1fr);
    border-left:0;
    padding-block:6px;
  }
  .site-nav-item{border-right:0;border-bottom:1px solid rgba(37,55,84,.7)}
  .site-nav-item:last-child{border-bottom:0}
  .site-nav-link{padding:13px var(--pad-x);font-size:14.5px}
  .site-nav-link::after{display:none}
  .site-nav-link[aria-current="page"]{
    background:rgba(255,90,42,.14);
    box-shadow:inset 3px 0 0 var(--flame);
  }
}
@media (max-width:720px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
  .footer-top{grid-template-columns:minmax(0,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .data-table{font-size:12.5px}
}
@media (max-width:520px){
  .brand-name{font-size:17px}
  .edition-badge{font-size:10px;padding:4px 8px;letter-spacing:.06em}
  .btn{padding:8px 13px;font-size:13px}
  .header-tools{gap:8px}
}

/* ---------- 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;
  }
  .header-progress-bar{transition:none}
  html.js-reveal [data-reveal]{opacity:1;transform:none;transition:none}
  .media-frame:hover img{transform:none}
}