/* ============================================================
   博喜赛场 · 共享站点样式 /assets/site.css
   夜场记分牌 · 侧轨导航 · 堆叠画板
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(68px + 20px);
}

body,
h1, h2, h3, h4, h5, p,
ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

a { color: inherit; text-decoration: none; }

img, svg, video { display: block; max-width: 100%; }

table { border-collapse: collapse; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  /* 色彩 —— 深色（默认，夜场） */
  --ink-900: #07110F;
  --ink-800: #0B1F1C;
  --ink-700: #0E2233;
  --line: #1E3A34;
  --cream: #F3EEE2;
  --lime: #C8FF3D;
  --lime-soft: #E8FFB0;
  --amber: #FFA53B;
  --rose: #FF3D7F;
  --mist: #8FA39C;
  --brick: #C4553F;

  --bg: var(--ink-800);
  --bg-2: var(--ink-700);
  --surface: #0F2723;
  --surface-2: #0E2233;
  --text: var(--cream);
  --text-dim: var(--mist);
  --edge: var(--line);
  --edge-strong: #2A4A42;
  --accent: var(--lime);
  --accent-ink: #0B1F1C;
  --accent-alt: var(--amber);
  --alert: var(--rose);
  --rail-bg: #081916;
  --rail-bg-2: #0A1D28;
  --bar-bg: rgba(7, 17, 15, 0.92);
  --footer-bg: var(--ink-900);
  --wash: rgba(200, 255, 61, 0.09);

  /* 尺寸与排版 */
  --rail-w: 260px;
  --rail-w-min: 76px;
  --bar-h: 68px;
  --radius: 2px;
  --edge-w: 1px;

  --font-display: "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei", "Heiti SC", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", "Roboto Mono", monospace;
}

:root[data-theme="light"] {
  --bg: #F3EEE2;
  --bg-2: #E9E2D2;
  --surface: #FBF7EC;
  --surface-2: #EFE8DA;
  --text: #14211E;
  --text-dim: #5F6F69;
  --edge: #D3C9B4;
  --edge-strong: #B9AD94;
  --accent: #C8FF3D;
  --accent-ink: #0B1F1C;
  --accent-alt: #B4551F;
  --alert: #C42A63;
  --rail-bg: #EAE3D3;
  --rail-bg-2: #E3DAC6;
  --bar-bg: rgba(243, 238, 226, 0.94);
  --footer-bg: #14211E;
  --wash: rgba(11, 31, 28, 0.06);
  --lime-soft: #E8FFB0;
}

:root[data-rail="collapsed"] { --rail-w: var(--rail-w-min); }

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  padding-top: var(--bar-h);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 560px at 82% -12%, rgba(200, 255, 61, 0.07), transparent 62%),
    radial-gradient(900px 520px at 4% 108%, rgba(255, 165, 59, 0.06), transparent 60%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(30, 58, 52, 0.45) 79px 80px);
  -webkit-font-smoothing: antialiased;
}

main { display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: clamp(40px, 7vw, 88px); }
h2 { font-size: clamp(28px, 3.6vw, 46px); }
h3 { font-size: clamp(20px, 2.2vw, 26px); }
h4 { font-size: 18px; letter-spacing: 0; }

p { max-width: 68ch; }

strong { font-weight: 700; }

::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- 4. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-ink);
  background: var(--accent);
  border-radius: var(--radius);
  transform: translateY(-180%);
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 5. 头部：固定顶栏 ---------- */
.site-header { position: relative; z-index: 90; }

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 70;
  height: var(--bar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 clamp(14px, 2.4vw, 32px);
  background: var(--bar-bg);
  border-bottom: 1px solid var(--edge);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header[data-scrolled] .topbar {
  border-bottom-color: var(--edge-strong);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.32);
}

.topbar__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.1;
  min-width: 0;
}
.brand__mark {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text);
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.topbar__tools {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  border: var(--edge-w) solid var(--edge);
  border-radius: var(--radius);
  background: transparent;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
.tool-btn:hover { color: var(--text); border-color: var(--accent); }

.tool-btn__text { white-space: nowrap; }
.tool-btn__glyph { font-size: 13px; line-height: 1; }

.tool-btn__dot {
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
  background: transparent;
  transition: background-color 0.2s ease;
}

.tool-btn--fav[aria-pressed="true"] {
  color: var(--accent-alt);
  border-color: var(--accent-alt);
}
.tool-btn--fav[aria-pressed="true"] .tool-btn__dot { background: var(--accent-alt); }

.tool-btn--cta {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 800;
}
.tool-btn--cta:hover {
  background: var(--lime-soft);
  border-color: var(--lime-soft);
  color: var(--accent-ink);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text);
  border: var(--edge-w) solid var(--edge);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.nav-toggle:hover { border-color: var(--accent); color: var(--accent); }
.nav-toggle__bars { display: grid; gap: 3px; }
.nav-toggle__bars i {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
}

/* ---------- 6. 侧边轨道导航 ---------- */
.rail {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 80;
  width: min(84vw, 300px);
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 22px 16px 26px;
  overflow-y: auto;
  background: linear-gradient(170deg, var(--rail-bg), var(--rail-bg-2));
  border-right: 1px solid var(--edge);
  transform: translateX(-102%);
  transition: transform 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}
.rail[data-open] { transform: translateX(0); }

.rail__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--edge);
}
.rail__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}
.rail__collapse {
  display: none;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  border: var(--edge-w) solid var(--edge);
  border-radius: var(--radius);
  transition: color 0.2s ease, border-color 0.2s ease;
}
.rail__collapse:hover { color: var(--accent); border-color: var(--accent); }

.rail__list { display: flex; flex-direction: column; gap: 2px; }

.rail__link {
  display: grid;
  grid-template-columns: 26px 1fr 3px;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  color: var(--text-dim);
  border-radius: var(--radius);
  transition: color 0.2s ease, background-color 0.2s ease;
}
.rail__link:hover { color: var(--text); background: var(--wash); }

.rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

.rail__name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rail__tick {
  display: block;
  width: 3px;
  height: 8px;
  background: var(--edge);
  transition: height 0.2s ease, background-color 0.2s ease;
}

.rail__link[aria-current="page"] {
  color: var(--text);
  background: linear-gradient(90deg, rgba(200, 255, 61, 0.16), transparent 78%);
}
.rail__link[aria-current="page"] .rail__num { color: var(--accent); }
.rail__link[aria-current="page"] .rail__tick {
  height: 20px;
  background: var(--accent);
}

.rail__legend {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--edge);
}
.rail__legend-title {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}
.legend { display: flex; flex-direction: column; gap: 6px; }
.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}
.legend-item__dot {
  width: 8px;
  height: 8px;
  flex: none;
  background: var(--edge);
}
.legend-item__dot--up { background: var(--accent-alt); }
.legend-item__dot--down { background: var(--alert); }
.legend-item__dot--flat { background: var(--mist); }

.rail__foot { padding-top: 4px; }
.rail__note {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.rail-scrim {
  position: fixed;
  inset: 0;
  z-index: 68;
  background: rgba(7, 17, 15, 0.68);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.site-header[data-open] .rail-scrim { opacity: 1; visibility: visible; }

.rail-progress {
  display: none;
  position: fixed;
  top: 0;
  left: calc(var(--rail-w) - 3px);
  width: 3px;
  height: 100vh;
  z-index: 76;
  background: var(--edge);
  pointer-events: none;
}
.rail-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: 50% 0;
}

/* ---------- 7. 页脚 ---------- */
.site-footer {
  margin-top: clamp(64px, 9vw, 128px);
  padding: clamp(40px, 5vw, 64px) clamp(18px, 4vw, 56px) 28px;
  background: var(--footer-bg);
  color: #F3EEE2;
  border-top: 3px solid var(--accent);
}

.footer__top {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
  grid-template-columns: 1fr;
  max-width: 1180px;
  margin: 0 auto;
  padding-bottom: clamp(26px, 3vw, 40px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__brand { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.footer__brand-mark {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: #F3EEE2;
}
.footer__brand-note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: #8FA39C;
  max-width: 30ch;
}

.to-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #C8FF3D;
  border: 1px solid rgba(200, 255, 61, 0.45);
  border-radius: var(--radius);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, background-color 0.2s ease;
}
.to-top[data-visible] { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: rgba(200, 255, 61, 0.14); }

.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: #8FA39C;
  text-transform: uppercase;
}
.footer__links { display: flex; flex-direction: column; gap: 8px; }
.footer__links a {
  font-size: 15px;
  color: #E9E4D8;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.footer__links a:hover { color: #C8FF3D; border-bottom-color: #C8FF3D; }

.footer__contact {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(20px, 2.4vw, 30px) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer__contact-line {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: #E9E4D8;
  max-width: 70ch;
}
.footer__note {
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: #8FA39C;
  max-width: 62ch;
}

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  max-width: 1180px;
  margin: 0 auto;
  padding-top: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #8FA39C;
}
.footer__icp { color: #8FA39C; }
.footer__copyright { color: #8FA39C; }

/* ---------- 8. 通用布局容器 ---------- */
.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 48px);
}

.section { padding-block: clamp(56px, 8vw, 120px); }

.grid { display: grid; gap: clamp(18px, 2.4vw, 32px); }
.grid--split { grid-template-columns: 1fr; }
.grid--three { grid-template-columns: 1fr; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--accent-alt);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: -0.015em;
}

/* ---------- 9. 基础组件 ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.2vw, 30px);
  background: var(--surface);
  border: var(--edge-w) solid var(--edge);
  border-radius: var(--radius);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.03em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.btn--primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn--primary:hover { background: var(--lime-soft); border-color: var(--lime-soft); }
.btn--ghost { color: var(--text); border-color: var(--edge-strong); }
.btn--ghost:hover { color: var(--accent); border-color: var(--accent); }
.btn--quiet { color: var(--text-dim); padding-inline: 6px; }
.btn--quiet:hover { color: var(--accent); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  border: 1px solid var(--edge-strong);
  border-radius: var(--radius);
  color: var(--text-dim);
}
.chip--up { color: var(--accent-alt); border-color: var(--accent-alt); }
.chip--down { color: var(--alert); border-color: var(--alert); }
.chip--flat { color: var(--text-dim); }

.crumb { padding-block: 20px; }
.crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}
.crumb__link { color: var(--text-dim); border-bottom: 1px solid transparent; }
.crumb__link:hover { color: var(--accent); border-bottom-color: var(--accent); }
.crumb__sep { color: var(--edge-strong); }
.crumb__current { color: var(--text); }

.figure {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background:
    repeating-linear-gradient(135deg, rgba(30, 58, 52, 0.9) 0 2px, transparent 2px 9px),
    linear-gradient(160deg, var(--surface-2), var(--surface));
  border: var(--edge-w) solid var(--edge);
  border-radius: var(--radius);
}
.figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 17, 15, 0.55));
}
.figure--wide { aspect-ratio: 21 / 9; }
.figure--tall { aspect-ratio: 4 / 5; }
.figure__cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: #F3EEE2;
}

.table-shell {
  overflow-x: auto;
  border: var(--edge-w) solid var(--edge);
  border-radius: var(--radius);
  background: var(--surface);
  -webkit-overflow-scrolling: touch;
}
.data-table {
  width: 100%;
  min-width: 560px;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}
.data-table th,
.data-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 0.5px solid var(--edge);
}
.data-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  background: var(--surface-2);
  white-space: nowrap;
}
.data-table tbody tr:nth-child(even) { background: rgba(30, 58, 52, 0.22); }
.data-table tbody tr:hover { background: var(--wash); }

/* ---------- 10. 显现动画 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- 11. 响应式 ---------- */
@media (max-width: 560px) {
  .brand__sub { display: none; }
  .tool-btn__text { display: none; }
  .tool-btn { padding: 9px; }
  .tool-btn--cta { padding: 9px 12px; }
  .tool-btn--cta .tool-btn__text { display: inline; }
}

@media (min-width: 720px) {
  .footer__top {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .footer__brand { grid-column: 1 / -1; }
  .grid--three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
  .topbar { left: var(--rail-w); }

  .rail {
    width: var(--rail-w);
    transform: none;
    transition: width 0.28s ease;
  }
  .rail__collapse { display: inline-block; }
  .nav-toggle { display: none; }
  .rail-scrim { display: none; }
  .rail-progress { display: block; }

  .grid--split { grid-template-columns: minmax(0, 3fr) minmax(0, 7fr); }

  .footer__top {
    grid-template-columns: 1.4fr repeat(3, minmax(0, 1fr));
  }
  .footer__brand { grid-column: auto; }
}

@media (min-width: 1280px) {
  :root { --rail-w: 280px; }
}

/* 轨道折叠态 */
@media (min-width: 1024px) {
  :root[data-rail="collapsed"] .rail__label,
  :root[data-rail="collapsed"] .rail__name,
  :root[data-rail="collapsed"] .rail__legend,
  :root[data-rail="collapsed"] .rail__note {
    display: none;
  }
  :root[data-rail="collapsed"] .rail { padding-inline: 10px; }
  :root[data-rail="collapsed"] .rail__head { justify-content: center; }
  :root[data-rail="collapsed"] .rail__link {
    grid-template-columns: auto;
    justify-items: center;
    padding-inline: 4px;
  }
  :root[data-rail="collapsed"] .rail__tick { display: none; }
}

/* ---------- 12. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}