/* ============================================================
   大发彩票入口 · 深夜开奖核对台
   共享样式 /assets/site.css
   ============================================================ */

/* ---------- 1. reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, 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 { background: none; border: 0; padding: 0; color: inherit; font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
:focus-visible { outline: 2px solid var(--warm-gold); outline-offset: 2px; }

/* ---------- 2. tokens ---------- */
:root {
  --ink-900: #0B1428;
  --ink-800: #101C36;
  --ink-700: #17264A;
  --grid: #24365C;
  --draw-red: #E8433C;
  --warm-gold: #F2B23E;
  --chart-cyan: #5FB8C6;
  --text-primary: #EAF0FA;
  --text-muted: #97A6C0;
  --paper: #F5F7FB;
  --settled: #6FBF8F;

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

  --shell: 1200px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(.2, .7, .2, 1);
  --hair: 1px solid var(--grid);
}

/* ---------- 3. base ---------- */
body {
  background-color: var(--ink-900);
  color: var(--text-primary);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---------- 4. layout ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.band {
  position: relative;
  padding: clamp(44px, 7vw, 96px) 0;
}
.band--ink { background: var(--ink-900); }
.band--deep { background: var(--ink-800); }
.band--card { background: var(--ink-700); }
.band--grid {
  background-image: linear-gradient(to right, rgba(36, 54, 92, .5) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
}
.band--paper { background: var(--paper); color: var(--ink-900); }
.band--paper .display,
.band--paper .h2,
.band--paper .h3,
.band--paper .metric__value { color: var(--ink-900); }
.band--paper .lede,
.band--paper .muted,
.band--paper .metric__label,
.band--paper .plate__text,
.band--paper .status { color: #54627F; }
.band--paper .eyebrow { color: #1F6C7A; }
.band--paper .plate__no { color: #8A5B00; }
.band--paper .rule-h,
.band--paper .plate,
.band--paper .plate-fold { border-color: #D3DAE8; }

.rule-h { height: 1px; background: var(--grid); border: 0; margin: 0; }

/* ---------- 5. typography ---------- */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--chart-cyan);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; background: currentColor; flex: none; }

.display {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(38px, 7.4vw, 84px);
  line-height: .98;
  letter-spacing: -.02em;
  margin: 0 0 18px;
}
.h2 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 0 0 14px;
}
.h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.35;
  margin: 0 0 8px;
}
.lede {
  font-size: clamp(17px, 2vw, 20px);
  color: var(--text-muted);
  max-width: 62ch;
  margin: 0 0 20px;
}
.muted { color: var(--text-muted); }
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}
.prose { max-width: 68ch; }
.prose p { margin: 0 0 1.1em; }
.prose p:last-child { margin-bottom: 0; }
.prose a { color: var(--chart-cyan); border-bottom: 1px solid var(--grid); }
.prose a:hover { color: var(--warm-gold); border-bottom-color: var(--warm-gold); }

/* ---------- 6. 说明牌 / 展签 ---------- */
.plate {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--grid);
}
.plate__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--warm-gold);
  flex: none;
}
.plate__text {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--text-muted);
}
.plate-fold {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--grid);
}
.plate-fold > summary {
  display: flex;
  align-items: center;
  gap: 9px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.plate-fold > summary::-webkit-details-marker { display: none; }
.plate-fold > summary::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--chart-cyan);
  flex: none;
}
.plate-fold[open] > summary { color: var(--warm-gold); }
.plate-fold[open] > summary::before { background: var(--warm-gold); }
.plate-fold__body {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ---------- 7. 按钮 / 筛选 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid transparent;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.2;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn--red { background: var(--draw-red); border-color: var(--draw-red); color: #FFFFFF; }
.btn--red:hover { background: #C9352F; border-color: #C9352F; }
.btn--gold { background: var(--warm-gold); border-color: var(--warm-gold); color: var(--ink-900); }
.btn--gold:hover { background: #D89A2C; border-color: #D89A2C; }
.btn--ghost { border-color: var(--grid); color: var(--text-primary); }
.btn--ghost:hover { border-color: var(--warm-gold); color: var(--warm-gold); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; }
.chip {
  padding: 8px 14px;
  border: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-muted);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.chip:hover { color: var(--text-primary); border-color: var(--chart-cyan); }
.chip[aria-pressed="true"] {
  background: var(--chart-cyan);
  border-color: var(--chart-cyan);
  color: var(--ink-900);
}

.copy {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-muted);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.copy::before { content: ""; width: 6px; height: 6px; background: var(--grid); flex: none; }
.copy:hover { border-color: var(--chart-cyan); color: var(--text-primary); }
.copy[data-copied] { border-color: var(--settled); color: var(--settled); }
.copy[data-copied]::before { background: var(--settled); }

/* ---------- 8. Bento 网格与数据单元 ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 24px);
}
.bento__cell {
  grid-column: span 12;
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--ink-700);
  border: 1px solid var(--grid);
}
.bento__cell--focus {
  background: var(--ink-800);
  padding: clamp(24px, 3.4vw, 40px);
}
.bento__cell--bare {
  background: transparent;
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}
.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; }

.metric { display: flex; flex-direction: column; gap: 6px; }
.metric__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}
.metric__value--red { color: var(--draw-red); }
.metric__value--gold { color: var(--warm-gold); }
.metric__value--cyan { color: var(--chart-cyan); }
.metric__unit {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}
.metric__label {
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--text-muted);
}

/* ---------- 9. 图形容器 ---------- */
.image-frame {
  position: relative;
  overflow: hidden;
  background: var(--ink-800);
  border: 1px solid var(--grid);
}
.image-frame::before { content: ""; display: block; padding-top: 56.25%; }
.image-frame--4x3::before { padding-top: 75%; }
.image-frame--1x1::before { padding-top: 100%; }
.image-frame--21x9::before { padding-top: 42.857%; }
.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .35;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 32px 32px;
}
.image-frame > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.image-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 8px 12px;
  background: rgba(11, 20, 40, .88);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-muted);
}

/* ---------- 10. 状态点与面包屑 ---------- */
.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-muted);
}
.status__dot { width: 7px; height: 7px; background: var(--grid); flex: none; }
.status--settled { color: var(--settled); }
.status--settled .status__dot { background: var(--settled); }
.status--live { color: var(--draw-red); }
.status--live .status__dot { background: var(--draw-red); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-muted);
}
.breadcrumb__item { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb__item::after { content: "/"; color: var(--grid); }
.breadcrumb__item:last-child::after { content: ""; }
.breadcrumb a:hover { color: var(--warm-gold); }

/* ---------- 11. 头部：居中刊头 + 刻度条 ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -72px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--warm-gold);
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  transition: top .18s var(--ease);
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(11, 20, 40, .95);
  border-bottom: 1px solid var(--grid);
}
.masthead { padding: 16px var(--gutter) 0; }
.masthead__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: baseline;
  gap: 14px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 4px 0 12px;
}
.masthead__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.masthead__brand {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(19px, 3.1vw, 34px);
  line-height: 1.1;
  letter-spacing: -.01em;
  text-align: center;
  color: var(--text-primary);
  transition: color .2s var(--ease), font-size .28s var(--ease);
}
.masthead__brand:hover { color: var(--warm-gold); }
.masthead__timing {
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--chart-cyan);
  white-space: nowrap;
}
.dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  background: var(--draw-red);
  vertical-align: middle;
}
.masthead__rule { height: 1px; background: var(--grid); }

.nav-bar { position: relative; background: var(--ink-800); border-top: 1px solid var(--grid); }
.nav-bar__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 24px);
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  min-height: 54px;
  transition: min-height .28s var(--ease);
}
.primary-nav { flex: 1 1 auto; min-width: 0; }
.primary-nav__list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
}
.primary-nav__link {
  position: relative;
  display: block;
  padding: 17px 2px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color .2s var(--ease);
}
.primary-nav__link:hover { color: var(--text-primary); }
.primary-nav__link[aria-current="page"] { color: var(--warm-gold); }
.primary-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 8px;
  width: 5px;
  height: 5px;
  background: var(--warm-gold);
  transform: translateX(-50%);
}
.nav-cta {
  flex: none;
  padding: 10px 16px;
  border: 1px solid var(--draw-red);
  background: var(--draw-red);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
  white-space: nowrap;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.nav-cta:hover { background: transparent; color: var(--draw-red); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--grid);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 13px;
}
.nav-toggle__bars {
  display: block;
  width: 16px;
  height: 1px;
  background: currentColor;
  box-shadow: 0 5px 0 currentColor, 0 -5px 0 currentColor;
}
.nav-toggle[aria-expanded="true"] { border-color: var(--warm-gold); color: var(--warm-gold); }

.scroll-rule { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; }
.scroll-rule span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--draw-red), var(--warm-gold));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .12s linear;
}

/* 滚动后收为细窄刻度条 */
.site-header[data-collapsed] .masthead { padding-top: 8px; }
.site-header[data-collapsed] .masthead__inner {
  grid-template-columns: 1fr auto;
  padding: 2px 0 8px;
}
.site-header[data-collapsed] .masthead__kicker { display: none; }
.site-header[data-collapsed] .masthead__brand { font-size: 17px; text-align: left; }
.site-header[data-collapsed] .nav-bar__inner { min-height: 44px; }
.site-header[data-collapsed] .primary-nav__link { padding: 12px 2px; font-size: 13px; }

/* ---------- 12. 页脚 ---------- */
.site-footer {
  background: var(--ink-900);
  border-top: 1px solid var(--grid);
  padding: clamp(40px, 6vw, 72px) 0 26px;
  color: var(--text-muted);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: clamp(20px, 3vw, 40px);
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter) clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--grid);
}
.footer__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--chart-cyan);
}
.footer__brandline {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.3;
  color: var(--text-primary);
}
.footer__note { margin: 0; font-size: 13px; line-height: 1.7; }
.footer__coltitle {
  margin: 0 0 12px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
}
.footer__list { display: flex; flex-direction: column; gap: 9px; }
.footer__list a {
  font-size: 14px;
  color: var(--text-muted);
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.footer__list a:hover { color: var(--warm-gold); border-bottom-color: var(--warm-gold); }

.footer__service,
.footer__region {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px var(--gutter) 0;
}
.footer__serviceline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 10px;
  font-size: 14px;
}
.footer__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-muted);
}
.footer__value { color: var(--text-primary); word-break: break-all; }
.footer__servicenote {
  margin: 0;
  max-width: 88ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}
.footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 26px;
  max-width: var(--shell);
  margin: 22px auto 0;
  padding: 16px var(--gutter) 0;
  border-top: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
}
.footer__copy { color: var(--text-primary); }
.footer__icp { color: var(--chart-cyan); }
.footer__foot { flex: 1 1 320px; color: var(--text-muted); }

/* ---------- 13. 动效 ---------- */
[data-reveal] { opacity: 1; transform: none; }
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .32s var(--ease), transform .32s var(--ease);
}
.has-js [data-reveal][data-revealed] { opacity: 1; transform: none; }
[data-filter-item][hidden] { display: none; }

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1024px) {
  .span-3, .span-4, .span-5 { grid-column: span 6; }
  .span-7, .span-8, .span-9 { grid-column: span 12; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .masthead { padding-top: 14px; }
  .masthead__inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 6px;
  }
  .masthead__kicker, .masthead__timing { text-align: center; justify-self: center; }
  .nav-bar__inner {
    flex-wrap: wrap;
    padding: 8px var(--gutter);
    gap: 10px;
    min-height: 0;
  }
  .nav-toggle { display: inline-flex; order: 1; }
  .nav-cta { order: 2; margin-left: auto; }
  .primary-nav {
    order: 3;
    flex: 1 0 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height .28s var(--ease);
  }
  .primary-nav[data-open] { max-height: 620px; }
  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
  }
  .primary-nav__link {
    padding: 14px 26px 14px 0;
    border-bottom: 1px solid var(--grid);
    font-size: 15px;
  }
  .primary-nav__link[aria-current="page"]::after {
    left: auto;
    right: 4px;
    top: 50%;
    bottom: auto;
    transform: translateY(-50%);
  }
  .site-header[data-collapsed] .masthead { padding-top: 10px; }
  .site-header[data-collapsed] .masthead__inner { grid-template-columns: 1fr; text-align: center; }
  .site-header[data-collapsed] .masthead__brand { font-size: clamp(17px, 4.4vw, 22px); text-align: center; }
}
@media (max-width: 640px) {
  .span-3, .span-4, .span-5, .span-6,
  .span-7, .span-8, .span-9, .span-12 { grid-column: span 12; }
  .display { font-size: clamp(30px, 10vw, 44px); }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__base { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ---------- 15. reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal], .has-js [data-reveal] { opacity: 1 !important; transform: none !important; }
  .primary-nav { transition: none; }
  .scroll-rule span { transition: none; }
}