/* ============================================================
   168彩票数 · 号角版 — 共享样式 /assets/site.css
   墨蓝底 + 品牌红 + 暖金数字 + 霓虹青状态
   ============================================================ */

/* 1. 变量 */
:root{
  --ink:#0E1726;
  --ink-deep:#0A1220;
  --panel:#16324F;
  --panel-soft:rgba(22,50,79,.62);
  --red:#C8102E;
  --red-deep:#B3121F;
  --gold:#E8B21A;
  --gold-light:#F5C453;
  --cyan:#2BE0C8;
  --steel:#7C8EA3;
  --white:#E9EDF2;
  --mist:#9FB3C8;
  --line:rgba(159,179,200,.2);
  --line-strong:rgba(159,179,200,.36);
  --radius-lg:26px;
  --radius-md:16px;
  --radius-sm:10px;
  --shell:min(1320px, calc(100% - 48px));
  --font-head:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* 2. Reset 与中文排版 */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:120px;
}
body{
  margin:0;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--white);
  background-color:var(--ink);
  background-image:
    linear-gradient(rgba(159,179,200,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159,179,200,.045) 1px, transparent 1px),
    radial-gradient(1100px 620px at 88% -8%, rgba(22,50,79,.92), transparent 68%),
    radial-gradient(780px 520px at -8% 14%, rgba(200,16,46,.16), transparent 66%);
  background-size:64px 64px, 64px 64px, auto, auto;
  background-repeat:repeat, repeat, no-repeat, no-repeat;
  -webkit-font-smoothing:antialiased;
}
img,picture,svg,video{max-width:100%;}
h1,h2,h3,h4{
  font-family:var(--font-head);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.06;
  margin:0 0 .5em;
}
p{margin:0 0 1em;}
a{color:inherit;}
ul,ol{margin:0 0 1em;padding-left:1.1em;}
button{font:inherit;}
::selection{background:rgba(232,178,26,.32);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px;}
#main-content:focus{outline:none;}

.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.skip-link{
  position:absolute;top:-60px;left:18px;z-index:200;
  display:inline-block;padding:11px 18px;
  background:var(--red);color:#fff;text-decoration:none;
  font-size:14px;font-weight:700;border-radius:0 0 var(--radius-sm) var(--radius-sm);
  transition:top .2s var(--ease);
}
.skip-link:focus{top:0;}

/* 3. 页头：紧凑命令栏 */
.site-header{
  --header-h:86px;
  position:sticky;
  top:0;
  z-index:60;
  background:linear-gradient(180deg, rgba(12,20,34,.98), rgba(12,20,34,.92));
  border-bottom:1px solid var(--line);
  transition:background-color .24s var(--ease), box-shadow .24s var(--ease);
}
.site-header[data-compact]{
  --header-h:66px;
  background:linear-gradient(180deg, rgba(9,15,26,.99), rgba(9,15,26,.96));
  box-shadow:0 14px 34px rgba(0,0,0,.46);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none;
  background:linear-gradient(90deg,
    var(--red) 0 16%, var(--gold) 16% 38%,
    rgba(43,224,200,.7) 38% 46%, rgba(159,179,200,.14) 46% 100%);
  opacity:.8;
}
.header-inner{
  width:var(--shell);
  margin-inline:auto;
  min-height:var(--header-h);
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto auto;
  align-items:center;
  gap:clamp(12px,1.8vw,30px);
  padding-block:10px;
}
.scroll-progress{
  position:fixed;top:0;left:0;width:100%;height:3px;z-index:90;
  transform:scaleX(0);transform-origin:0 50%;pointer-events:none;
  background:linear-gradient(90deg,var(--red),var(--gold) 55%,var(--cyan));
}

/* 品牌署名 */
.brand-block{display:flex;align-items:center;gap:14px;min-width:0;}
.brand-mark{
  display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--white);white-space:nowrap;
}
.brand-signal{
  width:16px;height:16px;flex:none;
  background:linear-gradient(140deg,var(--gold),var(--red));
  clip-path:polygon(0 0,100% 0,60% 50%,100% 100%,0 100%,34% 50%);
}
.brand-name{font-family:var(--font-head);font-size:20px;font-weight:900;letter-spacing:.02em;}
.brand-edition{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  padding:3px 9px;border-radius:999px;
  color:var(--gold);border:1px solid rgba(232,178,26,.5);background:rgba(232,178,26,.1);
}
.brand-tagline{
  margin:0;font-size:12px;letter-spacing:.08em;color:var(--mist);
  border-left:1px solid var(--line-strong);padding-left:14px;
}

/* 命令栏导航 */
.command-nav{min-width:0;}
.command-list{
  display:flex;flex-wrap:nowrap;align-items:center;gap:2px;
  margin:0;padding:0;list-style:none;
}
.command-item{margin:0;}
.command-link{
  position:relative;
  display:inline-flex;align-items:baseline;gap:7px;
  padding:10px 13px;border-radius:var(--radius-sm);
  border:1px solid transparent;
  color:var(--white);text-decoration:none;
  font-size:14px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.command-index{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--mist);
}
.command-link:hover{background:var(--panel-soft);border-color:rgba(43,224,200,.36);}
.command-link:hover .command-index{color:var(--cyan);}
.command-link[aria-current="page"]{
  background:rgba(200,16,46,.18);
  border-color:rgba(200,16,46,.55);
  color:#fff;
}
.command-link[aria-current="page"]::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--gold);
}
.command-link[aria-current="page"] .command-index{color:var(--gold-light);}

/* 状态标签 */
.header-status{display:flex;align-items:center;}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  padding:7px 13px;border-radius:999px;
  color:var(--cyan);background:rgba(43,224,200,.08);
  border:1px solid rgba(43,224,200,.34);white-space:nowrap;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;flex:none;
  background:var(--cyan);box-shadow:0 0 0 3px rgba(43,224,200,.16);
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 14px;border-radius:999px;cursor:pointer;
  border:1px solid rgba(43,224,200,.4);
  background:var(--panel-soft);
  color:var(--cyan);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  transition:background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);}
.nav-toggle[aria-expanded="true"]{
  background:rgba(200,16,46,.24);
  border-color:rgba(232,178,26,.6);
  color:var(--gold-light);
}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:4px;width:16px;}
.nav-toggle-bar{
  display:block;height:2px;width:100%;border-radius:2px;background:currentColor;
  transition:transform .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:first-child{transform:translateY(3px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:last-child{transform:translateY(-3px) rotate(-45deg);}

/* 4. 页脚：档案夹层级 */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,110px);
  background:linear-gradient(180deg,rgba(14,23,38,1),rgba(9,15,26,1));
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;width:38%;height:3px;
  background:linear-gradient(90deg,var(--red),var(--gold));
}
.footer-inner{
  width:var(--shell);margin-inline:auto;
  padding-block:clamp(34px,5vw,64px);
  display:grid;gap:clamp(26px,3.4vw,44px);
  grid-template-columns:1fr;
}
.footer-brand{display:grid;gap:8px;align-content:start;}
.footer-brand-mark{
  display:flex;align-items:center;gap:10px;margin:0;
  font-family:var(--font-head);font-size:19px;font-weight:900;letter-spacing:.01em;color:var(--white);
}
.footer-brand-note{
  margin:0;max-width:52ch;font-size:13.5px;line-height:1.8;color:var(--mist);
}
.footer-updated{
  margin:0;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--gold);
}
.footer-col{min-width:0;display:grid;align-content:start;gap:12px;}
.footer-title{
  margin:0;font-size:12px;font-weight:700;letter-spacing:.16em;
  color:var(--gold);text-transform:uppercase;
}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-list li{font-size:13.5px;color:var(--mist);line-height:1.6;}
.footer-list a{
  color:var(--white);text-decoration:none;font-size:14px;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-list a:hover{color:var(--gold-light);border-bottom-color:rgba(232,178,26,.6);}
.footer-contact{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-contact-item{display:grid;gap:4px;}
.footer-contact-key{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--steel);
}
.footer-copy{
  appearance:none;cursor:pointer;text-align:left;
  padding:7px 11px;border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);
  background:var(--panel-soft);
  color:var(--white);
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em;line-height:1.45;
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.footer-copy:hover{border-color:rgba(43,224,200,.55);color:var(--cyan);}
.footer-copy[data-copy-state="done"]{
  border-color:var(--cyan);color:var(--cyan);background:rgba(43,224,200,.14);
}
.footer-copy[data-copy-state="fail"]{
  border-color:rgba(200,16,46,.6);color:#ff8ba0;background:rgba(200,16,46,.16);
}
.footer-contact-link{
  color:var(--white);text-decoration:none;font-size:14px;
  border-bottom:1px solid rgba(232,178,26,.5);
}
.footer-contact-link:hover{color:var(--gold-light);}
.footer-note{margin:0;font-size:12.5px;line-height:1.75;color:var(--mist);}
.footer-legal{border-top:1px solid var(--line);background:rgba(9,15,26,.6);}
.footer-legal-inner{
  width:var(--shell);margin-inline:auto;
  padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:8px 26px;align-items:center;
}
.footer-legal-item{
  margin:0;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--mist);
}
.footer-copyright{color:var(--white);}

/* 5. 通用布局组件 */
.wrap{width:var(--shell);margin-inline:auto;}
.section{padding-block:clamp(40px,6vw,88px);}
.section-head{
  display:grid;gap:clamp(12px,2vw,26px);
  grid-template-columns:1fr;
  margin-bottom:clamp(22px,3vw,42px);
  align-items:end;
}
.section-index{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.16em;color:var(--gold);
}
.section-index::after{
  content:"";width:clamp(28px,6vw,70px);height:1px;background:linear-gradient(90deg,var(--gold),transparent);
}
.section-title{font-size:clamp(30px,4.6vw,60px);margin:0;font-weight:900;}
.lede{
  margin:0;max-width:56ch;
  font-size:clamp(15px,1.05vw,17.5px);line-height:1.85;color:var(--mist);
}
.eyebrow{
  display:inline-block;margin:0;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--cyan);
}
.rule-gold{
  height:1px;border:0;margin:clamp(20px,3vw,38px) 0;
  background:linear-gradient(90deg,rgba(232,178,26,.8),rgba(232,178,26,.05) 70%,transparent);
}
.split{display:grid;gap:clamp(18px,3vw,46px);grid-template-columns:1fr;}
.note-col{font-size:13px;line-height:1.85;color:var(--mist);}
.note-col p{margin:0 0 .9em;}
.grid-2,.grid-3{display:grid;gap:clamp(16px,2.4vw,28px);grid-template-columns:1fr;}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* 6. 卡片 / 面板 / 档案 */
.panel{
  background:linear-gradient(160deg,rgba(22,50,79,.72),rgba(14,23,38,.92));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:clamp(20px,2.6vw,34px);
}
.card{
  position:relative;min-width:0;
  background:rgba(16,28,45,.8);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:clamp(16px,2vw,24px);
  transition:border-color .2s var(--ease),background-color .2s var(--ease);
}
.card:hover{border-color:rgba(43,224,200,.42);background:rgba(18,34,55,.9);}
.card-index{
  display:block;margin-bottom:8px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;color:var(--gold);
}
.card-title{font-size:clamp(17px,1.6vw,21px);margin:0 0 8px;font-weight:800;letter-spacing:-.01em;}
.archive{display:grid;gap:clamp(14px,2vw,22px);grid-template-columns:1fr;}
.archive-card{
  position:relative;min-width:0;
  background:rgba(16,28,45,.78);
  border:1px solid var(--line);
  border-left:3px solid rgba(200,16,46,.72);
  border-radius:var(--radius-md);
  padding:clamp(16px,2vw,24px);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.archive-card:hover{border-color:rgba(232,178,26,.5);border-left-color:var(--gold);}

/* 7. 图像容器（页面阶段放 img 即可） */
.figure-frame{
  position:relative;overflow:hidden;
  aspect-ratio:16/9;
  border-radius:var(--radius-md);
  border:1px solid var(--line);
  background:
    linear-gradient(150deg,rgba(22,50,79,.95),rgba(14,23,38,.95) 58%,rgba(43,224,200,.14)),
    repeating-linear-gradient(45deg,rgba(159,179,200,.06) 0 2px,transparent 2px 12px);
}
.figure-frame > img,
.figure-frame > picture > img,
.figure-frame > svg{
  display:block;width:100%;height:100%;object-fit:cover;
}
.figure-frame--wide{aspect-ratio:21/9;}
.figure-frame--4x3{aspect-ratio:4/3;}
.figure-frame--1x1{aspect-ratio:1/1;}
.figure-caption{
  margin:10px 0 0;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--mist);
}

/* 8. 按钮 / 标签 / 面包屑 / 目录 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;font-weight:700;letter-spacing:.02em;
  text-decoration:none;cursor:pointer;
  transition:transform .18s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn--primary{
  background:linear-gradient(135deg,var(--red),var(--red-deep));
  color:#fff;box-shadow:0 12px 28px rgba(200,16,46,.3);
}
.btn--primary:hover{transform:translateY(-1px);background:linear-gradient(135deg,#d8163a,var(--red));}
.btn--gold{
  background:linear-gradient(135deg,var(--gold),#c9920e);color:#10192A;
  box-shadow:0 12px 28px rgba(232,178,26,.24);
}
.btn--gold:hover{transform:translateY(-1px);background:linear-gradient(135deg,var(--gold-light),var(--gold));}
.btn--ghost{
  background:var(--panel-soft);border-color:var(--line-strong);color:var(--white);
}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(14,23,38,.6);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:var(--mist);
}
.tag--cyan{color:var(--cyan);border-color:rgba(43,224,200,.42);background:rgba(43,224,200,.08);}
.tag--gold{color:var(--gold);border-color:rgba(232,178,26,.45);background:rgba(232,178,26,.09);}
.tag--red{color:#ff8ba0;border-color:rgba(200,16,46,.5);background:rgba(200,16,46,.16);}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding-top:20px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--mist);
}
.breadcrumb a{color:var(--mist);text-decoration:none;}
.breadcrumb a:hover{color:var(--gold-light);}
.breadcrumb-sep{color:var(--steel);opacity:.7;}
.toc{list-style:none;margin:0;padding:0;display:grid;gap:4px;}
.toc-link{
  display:flex;align-items:baseline;gap:10px;
  padding:8px 11px;border-radius:var(--radius-sm);
  border-left:2px solid transparent;
  color:var(--mist);text-decoration:none;font-size:13px;line-height:1.5;
  transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);
}
.toc-link:hover{color:var(--white);background:var(--panel-soft);}
.toc-link[aria-current="true"]{
  color:var(--gold-light);
  border-left-color:var(--gold);
  background:rgba(232,178,26,.1);
}

/* 9. 显现 / 返回顶部 */
html.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .28s var(--ease),transform .28s var(--ease);}
html.js .reveal.is-in{opacity:1;transform:none;}
.back-top{
  position:fixed;right:clamp(14px,2.4vw,30px);bottom:clamp(14px,2.4vw,30px);z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 17px;border-radius:999px;cursor:pointer;
  border:1px solid rgba(43,224,200,.45);
  background:rgba(11,18,30,.92);
  color:var(--cyan);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),border-color .2s var(--ease);
}
.back-top:hover{border-color:var(--gold);color:var(--gold-light);}
.back-top[data-visible]{opacity:1;visibility:visible;transform:none;}

/* 10. 响应式：平板与桌面 */
@media (max-width:1199px){
  .brand-tagline{display:none;}
  .command-link{font-size:13px;padding:9px 10px;}
  .status-text{display:none;}
  .status-pill{padding:7px 11px;}
}
@media (min-width:640px){
  .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
  .archive{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:768px){
  .section-head{grid-template-columns:minmax(0,7fr) minmax(0,3fr);}
}
@media (min-width:900px){
  .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (min-width:960px){
  .split{grid-template-columns:minmax(0,7.5fr) minmax(0,3fr);}
}
@media (min-width:1024px){
  .nav-toggle{display:none;}
  .command-nav{display:block;}
  .archive{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-inner{
    grid-template-columns:1.35fr .9fr .9fr 1.1fr;
    row-gap:clamp(30px,3.6vw,52px);
  }
  .footer-brand{grid-column:1/-1;max-width:70ch;}
}
@media (max-width:1023px){
  html{scroll-padding-top:96px;}
  .header-inner{
    grid-template-columns:minmax(0,1fr) auto auto;
    gap:12px;
  }
  .nav-toggle{display:inline-flex;}
  .command-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:block;
    padding:14px 24px 22px;
    background:linear-gradient(180deg,rgba(9,15,26,.995),rgba(14,23,38,.995));
    border-bottom:1px solid rgba(232,178,26,.35);
    box-shadow:0 26px 52px rgba(0,0,0,.55);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  }
  .command-nav[data-open]{opacity:1;visibility:visible;transform:none;}
  .command-list{flex-direction:column;align-items:stretch;gap:6px;}
  .command-item{width:100%;}
  .command-link{
    width:100%;justify-content:flex-start;
    padding:14px 15px;font-size:16px;
    background:rgba(22,50,79,.45);
    border-color:var(--line);
  }
  .command-index{font-size:11px;}
}
@media (max-width:600px){
  :root{--shell:calc(100% - 32px);}
  .brand-name{font-size:18px;}
  .brand-edition{font-size:10px;padding:2px 7px;}
  .status-pill{padding:6px 9px;}
  .footer-legal-inner{gap:6px 16px;padding-bottom:22px;}
  .btn{padding:12px 18px;font-size:14px;}
}

/* 11. 降低动效偏好 */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  html{scroll-behavior:auto;}
  html.js .reveal{opacity:1;transform:none;}
  .back-top{transform:none;}
  .command-nav{transform:none;}
}