/* =========================================================
   大发彩票指南 — 共享样式 /assets/site.css
   外壳：状态带 + 框架头部 + 分屏骨架 + 靛紫页脚
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body{margin:0}
h1,h2,h3,h4,h5,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit}
a{color:inherit}
table{border-collapse:collapse;border-spacing:0}
input,select,textarea{font:inherit}

/* ---------- 2. Tokens ---------- */
:root{
  --paper:#F5F0E6;
  --paper-2:#FBF8F1;
  --ink:#16181C;
  --ink-soft:#4A4F57;
  --vermilion:#C0342B;
  --vermilion-dark:#96241E;
  --copper:#A97B33;
  --copper-soft:#D9A75C;
  --teal:#123B3A;
  --wine:#5A1C24;
  --indigo:#2B2A4A;
  --grid:#D8D2C4;
  --state-green:#2E6B4E;
  --on-dark:#E9E3D6;
  --on-dark-soft:#A8A2B6;

  --font-sans:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Songti SC","Source Han Serif SC","Noto Serif SC","SimSun",Georgia,serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --wrap:1280px;
  --gutter:20px;
  --cut:16px;
  --speed:.22s;
}

/* ---------- 3. 中文排版基座 ---------- */
body{
  background-color:var(--paper);
  color:var(--ink);
  font-family:var(--font-serif);
  font-size:16.5px;
  line-height:1.85;
  font-feature-settings:"tnum" 0;
}
h1,h2,h3,h4,h5{font-family:var(--font-sans);font-weight:800;letter-spacing:-.02em;line-height:1.32;color:var(--ink)}
h1{font-size:clamp(28px,4vw,48px)}
h2{font-size:clamp(22px,2.6vw,34px)}
h3{font-size:20px}
h4{font-size:17px}
strong{font-weight:700}
.num,.data-table,.meta-line,.eyebrow,.breadcrumb,.rail-nav__num,.site-nav__num,.status-rail,.footer-legal,.footer-meta dt,.footer-contact__label,.section-head__num,.panel__label{font-variant-numeric:tabular-nums}

:focus-visible{outline:3px solid var(--vermilion);outline-offset:2px}
.site-header :focus-visible{outline:3px solid var(--copper-soft);outline-offset:2px}
.site-footer :focus-visible{outline:3px solid var(--copper-soft);outline-offset:2px}
#main-content:focus{outline:none}

/* ---------- 4. 布局助手 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.ruled{background-image:repeating-linear-gradient(180deg,rgba(216,210,196,.5) 0 1px,transparent 1px 32px)}
.split{display:grid;grid-template-columns:minmax(0,22%) minmax(0,1fr)}
.split__rail{background:var(--teal);color:#C7DAD6;padding:30px 22px;border-right:1px solid rgba(169,123,51,.55);min-width:0}
.split__main{padding:34px 30px;min-width:0}
.rail-sticky{position:sticky;top:156px}
.rule{height:1px;border:0;background:var(--grid);margin:28px 0}

/* ---------- 5. 跳转链接 ---------- */
.skip-link{position:absolute;left:-9999px;top:0;z-index:200;background:var(--ink);color:var(--paper);
  font-family:var(--font-sans);font-size:13px;letter-spacing:.06em;padding:10px 16px;text-decoration:none}
.skip-link:focus{left:12px;top:12px}

/* ---------- 6. 头部框架 ---------- */
.site-header{position:sticky;top:0;z-index:90;background:var(--teal);color:var(--on-dark);
  border-bottom:1px solid rgba(169,123,51,.6)}
.site-header::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(217,167,92,.06) 0 1px,transparent 1px 15px)}
.status-rail,.header-frame{position:relative;z-index:1}

.status-rail{background:var(--ink);border-bottom:1px solid rgba(169,123,51,.35)}
.status-rail__inner{max-width:var(--wrap);margin:0 auto;padding:7px var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:#A9A296}
.status-rail__meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--state-green);flex:none;
  box-shadow:0 0 0 3px rgba(46,107,78,.28)}
.status-rail__label{color:#E4DCCB}
.status-rail__sep{color:var(--copper)}
.status-rail__utility{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.status-rail__utility a{color:#C4BDB0;text-decoration:none;padding-bottom:1px;
  border-bottom:1px dotted rgba(169,123,51,.65);transition:color var(--speed),border-color var(--speed)}
.status-rail__utility a:hover{color:var(--paper);border-bottom-color:var(--copper-soft)}

.progress-track{height:2px;background:rgba(245,240,230,.12)}
.progress-track__bar{display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--copper),var(--vermilion));
  transition:width .12s linear}

.header-frame{max-width:var(--wrap);margin:0 auto;padding:14px var(--gutter) 12px;
  display:grid;grid-template-columns:minmax(0,auto) minmax(0,1fr);align-items:center;gap:20px}

.brand{display:flex;align-items:center;min-width:0}
.brand__link{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}
.brand__mark{width:44px;height:44px;flex:none;display:grid;place-items:center;
  background:var(--vermilion);color:var(--paper);font-family:var(--font-sans);
  font-weight:800;font-size:15px;letter-spacing:-.02em;
  clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%)}
.brand__text{display:flex;flex-direction:column;gap:1px;min-width:0}
.brand__name{font-family:var(--font-sans);font-weight:800;font-size:20px;letter-spacing:-.01em;color:var(--paper)}
.brand__sig{font-family:var(--font-mono);font-size:11px;letter-spacing:.04em;color:#9FB5B1;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand__link:hover .brand__mark{background:var(--vermilion-dark)}

.nav-toggle{display:none;align-items:center;gap:10px;padding:9px 13px;cursor:pointer;
  background:transparent;border:1px solid rgba(217,167,92,.55);color:var(--on-dark);
  font-family:var(--font-sans);font-size:12px;letter-spacing:.14em;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,10px 100%,0 calc(100% - 10px))}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars i{display:block;height:2px;background:currentColor;
  transition:transform var(--speed) ease,opacity var(--speed) ease}
.site-header[data-open] .nav-toggle{border-color:var(--vermilion)}
.site-header[data-open] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.site-nav{justify-self:end;min-width:0}
.site-nav__list{display:flex;align-items:stretch}
.site-nav__item{display:flex}
.site-nav__list a{display:flex;align-items:baseline;gap:7px;padding:11px 13px;text-decoration:none;
  color:#D6CFC0;font-family:var(--font-sans);font-size:14px;font-weight:600;letter-spacing:.01em;
  border-left:1px solid rgba(233,227,214,.14);
  transition:color var(--speed),background var(--speed),box-shadow var(--speed)}
.site-nav__item:first-child a{border-left:0}
.site-nav__num{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--copper-soft)}
.site-nav__label{white-space:nowrap}
.site-nav__list a:hover{color:#fff;background:rgba(245,240,230,.08)}
.site-nav__list a[aria-current="page"]{color:#fff;background:rgba(192,52,43,.24);
  box-shadow:inset 0 -2px 0 var(--vermilion)}
.site-nav__list a[aria-current="page"] .site-nav__num{color:#F0C98A}

/* ---------- 7. 页脚封底 ---------- */
.site-footer{position:relative;margin-top:72px;background:var(--indigo);color:var(--on-dark-soft);
  font-family:var(--font-sans);border-top:3px solid var(--copper);overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(90deg,rgba(233,227,214,.045) 0 1px,transparent 1px 20px)}
.site-footer__grid{position:relative;max-width:var(--wrap);margin:0 auto;
  padding:46px var(--gutter) 30px;display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr 1.6fr;gap:30px 26px}

.footer-brand{min-width:0}
.footer-brand__link{display:inline-block;font-size:21px;font-weight:800;letter-spacing:-.01em;
  color:var(--paper);text-decoration:none;border-bottom:2px solid var(--copper);padding-bottom:3px}
.footer-brand__link:hover{color:#fff;border-bottom-color:var(--copper-soft)}
.footer-brand__line{margin-top:14px;font-size:13.5px;line-height:1.78;color:var(--on-dark-soft);max-width:30ch}
.footer-meta{margin-top:20px;display:grid;gap:10px}
.footer-meta__item{display:grid;gap:3px;padding-top:9px;border-top:1px solid rgba(233,227,214,.16)}
.footer-meta dt{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;color:var(--copper-soft)}
.footer-meta dd{font-size:14px;color:#DCD6CA;line-height:1.6}

.footer-col__title,.footer-contact__title{font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--copper-soft);padding-bottom:10px;margin-bottom:13px;
  border-bottom:1px solid rgba(233,227,214,.18)}
.footer-col__list{display:grid;gap:9px}
.footer-col__list a{font-size:14px;color:#CFC9BE;text-decoration:none;
  border-bottom:1px solid transparent;transition:color var(--speed),border-color var(--speed)}
.footer-col__list a:hover{color:#fff;border-bottom-color:var(--copper-soft)}

.footer-contact{min-width:0}
.footer-contact__list{display:grid;gap:11px}
.footer-contact__list li{display:grid;gap:2px}
.footer-contact__label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;color:var(--copper-soft)}
.footer-contact__value{font-size:14px;color:#E2DCD0;line-height:1.65;word-break:break-word}
.footer-contact__note{margin-top:14px;font-size:12.5px;line-height:1.75;color:#A29DAF;max-width:34ch}

.footer-legal{position:relative;max-width:var(--wrap);margin:0 auto;
  padding:18px var(--gutter) 34px;display:flex;flex-wrap:wrap;gap:12px 26px;
  align-items:center;justify-content:space-between;
  border-top:1px solid rgba(233,227,214,.18);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;color:#9A95AD}
.footer-legal__copy{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.footer-legal__links{display:flex;gap:20px;flex-wrap:wrap}
.footer-legal__links a{color:#C6C1D3;text-decoration:none;padding-bottom:1px;
  border-bottom:1px solid rgba(217,167,92,.45);transition:color var(--speed),border-color var(--speed)}
.footer-legal__links a:hover{color:#fff;border-bottom-color:var(--copper-soft)}
.footer-legal__icp{color:#8D88A1}

/* ---------- 8. 通用组件 ---------- */
.eyebrow{display:inline-block;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--copper);margin-bottom:10px}
.display{font-family:var(--font-sans);font-weight:900;letter-spacing:-.02em;line-height:1.1}
.display--xl{font-size:clamp(34px,5.4vw,64px)}
.display--l{font-size:clamp(26px,3.4vw,48px)}
.lede{font-size:17px;line-height:1.9;color:var(--ink-soft);max-width:62ch}
.copy{max-width:68ch;font-size:16.5px;line-height:1.85}
.copy p+p{margin-top:1em}
.meta-line{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:var(--ink-soft)}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}

.section-head{display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;align-items:start;margin-bottom:20px}
.section-head__num{font-family:var(--font-mono);font-size:13px;letter-spacing:.1em;color:var(--copper);padding-top:9px}

.panel{background:var(--paper-2);border:1px solid var(--grid);padding:22px}
.panel--cut{clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));border:0}
.panel--dark{background:var(--indigo);border-color:rgba(169,123,51,.4);color:#E7E3DA}
.panel--dark h2,.panel--dark h3,.panel--dark h4{color:var(--paper)}
.panel--wine{background:var(--wine);border:0;color:#F3E9DD}
.panel--wine h2,.panel--wine h3,.panel--wine h4{color:#FBF3E6}
.panel--teal{background:var(--teal);border:0;color:#DCE9E6}
.panel--teal h2,.panel--teal h3,.panel--teal h4{color:var(--paper)}
.panel__label{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--copper);margin-bottom:10px}

.rail-nav{display:flex;flex-direction:column}
.rail-nav__title{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:var(--copper-soft);margin-bottom:12px}
.rail-nav a{display:grid;grid-template-columns:32px minmax(0,1fr);gap:8px;align-items:baseline;
  padding:10px 0;text-decoration:none;color:#B6CCC8;font-family:var(--font-sans);font-size:14px;
  border-top:1px solid rgba(233,227,214,.14);transition:color var(--speed)}
.rail-nav a:hover{color:#fff}
.rail-nav a[aria-current="true"]{color:#fff;border-top-color:var(--copper-soft)}
.rail-nav a[aria-current="true"] .rail-nav__num{color:var(--vermilion)}
.rail-nav__num{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--copper-soft)}
.rail-nav__label{min-width:0}

.tag-group{display:inline-flex;flex-wrap:wrap;border:1px solid var(--grid);background:var(--paper-2)}
.tag{appearance:none;border:0;border-right:1px solid var(--grid);background:transparent;cursor:pointer;
  font-family:var(--font-sans);font-size:13px;font-weight:600;letter-spacing:.02em;
  color:var(--ink-soft);padding:9px 15px;transition:background var(--speed),color var(--speed)}
.tag:last-child{border-right:0}
.tag:hover{background:rgba(169,123,51,.14);color:var(--ink)}
.tag[aria-pressed="true"],.tag.is-active{background:var(--teal);color:var(--paper)}

.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;cursor:pointer;
  font-family:var(--font-sans);font-size:14px;font-weight:600;letter-spacing:.02em;text-decoration:none;
  background:transparent;border:1px solid var(--ink);color:var(--ink);
  clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,12px 100%,0 calc(100% - 12px));
  transition:background var(--speed),color var(--speed),border-color var(--speed)}
.btn:hover{background:rgba(22,24,28,.08)}
.btn--primary{background:var(--vermilion);border-color:var(--vermilion);color:var(--paper)}
.btn--primary:hover{background:var(--vermilion-dark);border-color:var(--vermilion-dark);color:var(--paper)}
.btn--ghost{border-color:var(--copper);color:var(--vermilion-dark)}
.btn--ghost:hover{background:rgba(169,123,51,.14);color:var(--vermilion-dark)}

.table-scroll{overflow-x:auto;border:1px solid var(--grid);background:var(--paper-2)}
.data-table{width:100%;min-width:520px;font-family:var(--font-mono);font-size:13px;
  font-variant-numeric:tabular-nums}
.data-table caption{text-align:left;padding:10px 12px;font-family:var(--font-mono);
  font-size:11px;letter-spacing:.08em;color:var(--ink-soft);border-bottom:1px solid var(--grid)}
.data-table th{background:var(--wine);color:#F1E7DA;font-family:var(--font-sans);
  font-size:12px;font-weight:600;letter-spacing:.08em;text-align:right;
  padding:10px 12px;white-space:nowrap}
.data-table td{padding:9px 12px;border-top:1px solid var(--grid);text-align:right;color:var(--ink)}
.data-table th:first-child,.data-table td:first-child{text-align:left}
.data-table tbody tr:hover{background:rgba(192,52,43,.07)}
.data-table td.is-current{color:var(--vermilion);font-weight:600}

.status-pill{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;
  font-family:var(--font-sans);font-size:11px;letter-spacing:.08em;
  border:1px solid currentColor;color:var(--state-green)}
.status-pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;flex:none}
.status-pill--copper{color:var(--copper)}
.status-pill--wine{color:var(--wine)}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--ink-soft)}
.breadcrumb a{color:var(--ink-soft);text-decoration:none;border-bottom:1px solid var(--grid);
  transition:color var(--speed),border-color var(--speed)}
.breadcrumb a:hover{color:var(--vermilion-dark);border-bottom-color:var(--vermilion-dark)}
.breadcrumb__sep{color:var(--copper)}

.grid{display:grid;gap:20px}
.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))}

.media-frame{position:relative;overflow:hidden;border:1px solid var(--grid);
  background-color:var(--paper-2);
  background-image:repeating-linear-gradient(135deg,rgba(169,123,51,.16) 0 1px,transparent 1px 10px)}
.media-frame::after{content:"";position:absolute;left:0;top:0;width:26px;height:26px;
  border-top:2px solid var(--copper);border-left:2px solid var(--copper);pointer-events:none}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:3/4}
.media-frame__caption{position:absolute;left:0;right:0;bottom:0;padding:8px 12px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;
  background:rgba(22,24,28,.84);color:#E6DFD0}

[data-reveal]{opacity:0;transform:translateY(10px);
  transition:opacity .5s ease,transform .5s ease}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 9. 响应式 ---------- */
@media (max-width:1180px){
  .site-nav__list a{padding:10px 10px;font-size:13px}
  .brand__sig{max-width:32ch}
  .site-footer__grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px 22px}
  .footer-contact{grid-column:1 / -1}
}
@media (max-width:980px){
  html{scroll-padding-top:190px}
  .header-frame{grid-template-columns:minmax(0,1fr) auto;row-gap:0}
  .nav-toggle{display:inline-flex}
  .site-nav{display:none;grid-column:1 / -1;justify-self:stretch;margin-top:14px;
    border-top:1px solid rgba(217,167,92,.45);max-height:66vh;overflow-y:auto}
  .site-header[data-open] .site-nav{display:block}
  .site-nav__list{flex-direction:column}
  .site-nav__item{width:100%}
  .site-nav__list a{border-left:0;border-bottom:1px solid rgba(233,227,214,.13);
    padding:13px 2px;font-size:15px}
  .site-nav__item:first-child a{border-left:0}
  .site-nav__list a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--vermilion)}
  .site-nav__label{white-space:normal}
  .split{grid-template-columns:1fr}
  .split__rail{border-right:0;border-bottom:1px solid rgba(169,123,51,.55)}
  .split__main{padding:28px 20px}
  .rail-sticky{position:static;top:auto}
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:760px){
  .site-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
  .footer-legal{justify-content:flex-start}
  .section-head{grid-template-columns:1fr;gap:6px}
  .section-head__num{padding-top:0}
}
@media (max-width:600px){
  body{font-size:16px}
  .brand__sig{display:none}
  .brand__mark{width:40px;height:40px;font-size:14px}
  .brand__name{font-size:18px}
  .status-rail__meta span:last-child{display:none}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .footer-contact__note{max-width:none}
  .split__main{padding:24px 16px}
  .split__rail{padding:24px 16px}
}

/* ---------- 10. 动效退让 ---------- */
@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]{opacity:1;transform:none}
}