/* ==========================================================================
   h365官方入口 — /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 命令栏头部 / 索引页脚 / 基础组件
   ========================================================================== */

/* --- reset ---------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ol,ul,li,figure,blockquote,dl,dt,dd{margin:0;padding:0}
ol,ul{list-style:none}
img,picture,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* --- tokens --------------------------------------------------------------- */
:root{
  --ink:#07090C;
  --layer:#10141A;
  --rule:#2A313A;
  --cyan:#2FE6DC;
  --cyan-soft:#8FF3EC;
  --magenta:#FF3D7F;
  --amber:#FFB638;
  --mute:#4B5763;
  --text:#E8EFF4;
  --text-dim:#9AA8B4;
  --zone:#0A2326;
  --font-display:"Helvetica Neue","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --w-max:1440px;
  --gutter:clamp(18px,4vw,56px);
  --line:1px solid var(--rule);
  color-scheme:dark;
}

/* --- base / 中文排版 ------------------------------------------------------- */
body{
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:800;line-height:1.08;letter-spacing:-.02em}
h1{font-size:clamp(32px,7vw,72px)}
h2{font-size:clamp(24px,3.6vw,44px)}
h3{font-size:clamp(19px,2.2vw,26px)}
h4{font-size:17px;font-weight:700;letter-spacing:0}
p{text-wrap:pretty}
.container{width:100%;max-width:var(--w-max);margin:0 auto;padding:0 var(--gutter)}
.container--narrow{max-width:820px}
.section{padding:clamp(48px,7vw,96px) 0}
.section--zone{background:var(--zone);border-top:var(--line);border-bottom:var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 24px;padding-bottom:20px;margin-bottom:clamp(24px,3vw,40px);border-bottom:var(--line)}
.section-head .section-title{margin-right:auto}
.section-title{font-size:clamp(24px,3.6vw,44px)}
.eyebrow{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);
  display:block;margin-bottom:12px}
.lede{font-size:clamp(17px,1.6vw,20px);line-height:1.65;color:var(--text);max-width:62ch}
.annotation{font-size:13.5px;line-height:1.55;color:var(--text-dim);max-width:34ch;border-left:var(--line);padding-left:12px}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.prose{max-width:68ch;font-size:17px;line-height:1.75}
.prose h2{margin:1.8em 0 .5em;font-size:clamp(22px,2.6vw,30px)}
.prose h3{margin:1.6em 0 .4em}
.prose p+p{margin-top:1em}
.prose ul{margin:1em 0}
.prose ul li{position:relative;padding-left:18px;margin-bottom:.5em}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--cyan)}
.prose blockquote{border-left:2px solid var(--cyan);padding-left:16px;color:var(--text-dim);margin:1.4em 0}
[data-reveal]{opacity:1}
.has-js [data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .24s ease-out,transform .24s ease-out}
.has-js [data-reveal].is-visible{opacity:1;transform:none}

/* --- skip link ------------------------------------------------------------ */
.skip-link{position:absolute;left:-9999px;top:0;z-index:300;background:var(--cyan);color:#04120F;
  font-size:13px;font-weight:700;letter-spacing:.08em;padding:10px 16px}
.skip-link:focus,.skip-link:focus-visible{left:8px;top:8px}

/* --- header : 命令栏 ------------------------------------------------------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(7,9,12,.95);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:var(--line)}
.header-rail{padding:0 var(--gutter)}
.header-inner{max-width:var(--w-max);margin:0 auto;display:flex;align-items:center;gap:clamp(10px,2vw,28px);
  min-height:72px;padding:10px 0;transition:min-height .22s ease-out,padding .22s ease-out}
.site-header[data-scrolled] .header-inner{min-height:56px;padding:6px 0}

.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{position:relative;display:grid;place-items:center;width:38px;height:38px;flex:none;
  background:var(--layer);border:var(--line);color:var(--cyan);font-family:var(--font-mono);
  font-size:11px;letter-spacing:.06em}
.brand-mark::after{content:"";position:absolute;right:-1px;bottom:-1px;width:8px;height:8px;background:var(--cyan)}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-family:var(--font-display);font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.brand-line{font-size:12px;line-height:1.45;color:var(--text-dim);white-space:nowrap;
  transition:opacity .18s ease-out}
.site-header[data-scrolled] .brand-line{opacity:0;visibility:hidden}

.header-version{display:inline-flex;align-items:baseline;gap:8px;margin-left:auto;
  padding:5px 10px;background:var(--layer);border:var(--line);white-space:nowrap}
.version-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--mute);text-transform:uppercase}
.version-num{font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;color:var(--cyan);font-weight:500}

.header-actions{display:flex;align-items:center;gap:10px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border:var(--line);background:var(--layer);color:var(--text);
  font-size:13px;font-weight:600;letter-spacing:.08em;line-height:1.2;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out}
.btn--primary{background:var(--cyan);border-color:var(--cyan);color:#04120F}
.btn--primary:hover{background:var(--cyan-soft);border-color:var(--cyan-soft)}
.btn--ghost{background:transparent}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan-soft)}
.header-cta{white-space:nowrap}

.nav-toggle{display:inline-flex;align-items:center;gap:10px;padding:10px 12px;border:var(--line);
  color:var(--text-dim);font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  transition:color .18s ease-out,border-color .18s ease-out}
.nav-toggle:hover{color:var(--cyan-soft);border-color:var(--cyan)}
.nav-toggle-bars{display:grid;gap:4px;width:16px}
.nav-toggle-bars i{display:block;height:1px;background:currentColor;transition:transform .2s ease-out}
.nav-toggle[aria-expanded="true"]{color:var(--cyan);border-color:var(--cyan)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:first-child{transform:translateY(2.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:last-child{transform:translateY(-2.5px) rotate(-45deg)}

.site-nav{display:none;background:var(--layer);border-top:var(--line)}
.site-nav[data-open]{display:block}
.nav-inner{max-width:var(--w-max);margin:0 auto;padding:8px var(--gutter) 18px;display:flex;flex-direction:column;gap:12px}
.nav-list{display:flex;flex-direction:column}
.nav-list li+li{border-top:var(--line)}
.nav-list a{display:flex;align-items:baseline;gap:10px;padding:12px 12px;font-size:14px;color:var(--text-dim);
  transition:background .18s ease-out,color .18s ease-out}
.nav-list a:hover{background:rgba(47,230,220,.07);color:var(--cyan-soft)}
.nav-list a[aria-current="page"]{background:var(--cyan);color:var(--ink)}
.nav-list a[aria-current="page"] .nav-idx{color:rgba(7,9,12,.65)}
.nav-idx{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--mute);flex:none}
.nav-label{min-width:0}
.nav-note{font-size:12px;line-height:1.55;color:var(--text-dim);
  border-left:1px solid var(--rule);padding-left:12px;max-width:30ch}

.read-progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(42,49,58,.55);
  pointer-events:none;overflow:hidden}
.read-progress-bar{display:block;height:100%;width:100%;background:var(--cyan);
  transform:scaleX(0);transform-origin:left center}

@media (max-width:1099px){.brand-line{display:none}}
@media (max-width:639px){
  .header-version{display:none}
  .header-cta{padding:9px 12px;font-size:12px;letter-spacing:.06em}
  .nav-toggle-text{display:none}
}
@media (min-width:900px){
  .site-nav{display:block}
  .nav-inner{flex-direction:row;align-items:center;gap:clamp(16px,3vw,36px);padding:0 var(--gutter);min-height:46px}
  .nav-list{flex-direction:row;flex-wrap:wrap;gap:2px}
  .nav-list li+li{border-top:0}
  .nav-list a{padding:12px 14px;box-shadow:inset 0 -2px 0 transparent;
    transition:background .18s ease-out,color .18s ease-out,box-shadow .18s ease-out}
  .nav-list a:hover{background:transparent;box-shadow:inset 0 -2px 0 var(--cyan)}
  .nav-toggle{display:none}
}
@media (min-width:1180px){
  .nav-note{display:block;margin-left:auto}
}
@media (max-width:1179px){
  .nav-note{display:none}
}

/* --- footer : 归档索引 ----------------------------------------------------- */
.site-footer{position:relative;margin-top:clamp(48px,7vw,96px);background:var(--layer);border-top:var(--line);
  padding-top:clamp(40px,6vw,72px)}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;width:132px;height:2px;background:var(--cyan)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:clamp(28px,4vw,56px);
  padding-bottom:clamp(28px,4vw,48px)}
.footer-brand-name{font-family:var(--font-display);font-weight:800;font-size:22px;letter-spacing:-.01em}
.footer-brand-line{margin-top:8px;font-size:13px;line-height:1.6;color:var(--text-dim);max-width:38ch}
.footer-version{display:inline-flex;align-items:baseline;gap:8px;margin-top:18px;padding:6px 10px;
  background:var(--ink);border:var(--line)}
.service-note{margin-top:16px;padding-left:12px;border-left:1px solid var(--rule);
  font-size:12px;line-height:1.65;color:var(--text-dim);max-width:42ch}
.footer-index-title{font-family:var(--font-mono);font-size:11px;letter-spacing:.2em;color:var(--mute);text-transform:uppercase}
.index-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:clamp(18px,3vw,36px);margin-top:16px}
.index-title{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--text);
  padding-bottom:9px;border-bottom:var(--line)}
.index-list{margin-top:8px}
.index-list a{display:inline-block;padding:4px 0;font-size:14px;color:var(--text-dim);
  transition:color .18s ease-out,padding-left .18s ease-out}
.index-list a::before{content:"/";font-family:var(--font-mono);color:var(--mute);margin-right:8px}
.index-list a:hover{color:var(--cyan-soft);padding-left:4px}
.footer-meta{display:grid;grid-template-columns:1fr;gap:20px;padding:26px 0;
  border-top:var(--line)}
.meta-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;color:var(--mute);text-transform:uppercase}
.meta-value{margin-top:7px;font-family:var(--font-mono);font-size:13.5px;letter-spacing:.03em;color:var(--cyan-soft);word-break:break-word}
.meta-value--text{font-family:var(--font-body);font-size:14px;letter-spacing:0;color:var(--text);line-height:1.6}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 28px;justify-content:space-between;
  padding:18px 0 clamp(28px,4vw,44px);border-top:var(--line);font-size:12px;color:var(--text-dim)}
.closing-line{color:var(--cyan-soft);letter-spacing:.02em}
.legal-line{font-family:var(--font-mono);font-size:12px;letter-spacing:.02em;color:var(--text-dim)}
@media (min-width:720px){
  .footer-grid{grid-template-columns:1.05fr 1.7fr}
  .footer-meta{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:28px}
}

/* --- 通用组件 -------------------------------------------------------------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;background:transparent;
  border:1px solid var(--rule);color:var(--text-dim);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;line-height:1.5;white-space:nowrap}
.badge--live{border-color:var(--cyan);color:var(--cyan)}
.badge--new{border-color:var(--magenta);color:var(--magenta)}
.badge--warn{border-color:var(--amber);color:var(--amber)}
.badge--mute{border-color:var(--mute);color:var(--mute)}

.card{position:relative;background:var(--layer);border:var(--line);padding:clamp(18px,2.4vw,28px)}
.card-grid{display:grid;grid-template-columns:1fr;gap:clamp(14px,2vw,22px)}
.card-grid--three{grid-template-columns:1fr}
@media (min-width:640px){.card-grid--three{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}}

.split{display:grid;grid-template-columns:1fr;gap:clamp(18px,3vw,44px)}
.split-rail{align-self:start}
.split-body{min-width:0}
@media (min-width:900px){
  .split{grid-template-columns:minmax(150px,1fr) minmax(0,3.2fr)}
}

.table-wrap{overflow-x:auto;background:var(--layer);border:var(--line);-webkit-overflow-scrolling:touch}
.data-table{min-width:560px;font-size:14px}
.data-table caption{text-align:left;padding:12px 14px;border-bottom:var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--mute)}
.data-table th{text-align:left;padding:10px 14px;background:var(--ink);border-bottom:var(--line);
  font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.14em;
  color:var(--text-dim);white-space:nowrap}
.data-table td{padding:11px 14px;border-bottom:var(--line);color:var(--text);vertical-align:top;line-height:1.6}
.data-table td.num{color:var(--cyan-soft)}
.data-table tbody tr{transition:background .18s ease-out}
.data-table tbody tr:hover{background:rgba(47,230,220,.05)}
.data-table tbody tr:last-child td{border-bottom:0}

.media-frame{position:relative;overflow:hidden;background:var(--layer);border:var(--line)}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--cover{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--strip{aspect-ratio:21/9}
.media-caption{margin-top:10px;padding-left:10px;border-left:1px solid var(--rule);
  font-size:12.5px;line-height:1.55;color:var(--text-dim)}

.breadcrumb{padding:14px 0;border-bottom:var(--line);margin-bottom:clamp(24px,3vw,40px)}
.breadcrumb-list{display:flex;flex-wrap:wrap;gap:8px;align-items:baseline;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--mute)}
.breadcrumb-list li::after{content:"/";margin-left:8px;color:var(--rule)}
.breadcrumb-list li:last-child::after{content:""}
.breadcrumb-list a{color:var(--text-dim);transition:color .18s ease-out}
.breadcrumb-list a:hover{color:var(--cyan-soft)}
.breadcrumb-list [aria-current="page"]{color:var(--cyan)}

/* --- 动效降级与打印 -------------------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
  .has-js [data-reveal]{opacity:1;transform:none}
  .read-progress-bar{transition:none}
}