/* ============================================================
   bet365亚洲体育 — 共享样式表 /assets/site.css
   夜间数据看板：深墨绿底 / 精密网格 / 青柠信号 / 琥珀比分
   ============================================================ */

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

html { -webkit-text-size-adjust: 100%; background: #07120E; }

body, h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 2. 设计变量 ---------- */
:root {
  --void-green: #07120E;
  --carbon-black: #101418;
  --moss-panel: #0E2019;
  --grid-hairline: #1D3A2F;
  --lime-signal: #C8FF4D;
  --lime-soft: #DCFF86;
  --amber-score: #F5B544;
  --cyan-live: #56E8D0;
  --crimson-delta: #FF6B5E;
  --text-primary: #E9F2EC;
  --text-muted: #8FA79C;

  --header-h: 76px;
  --wrap-max: 1320px;
  --gutter: clamp(16px, 3.2vw, 40px);
  --col-gap: clamp(14px, 1.8vw, 26px);
  --radius: 2px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --font-display: "Barlow Condensed", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-data: ui-monospace, "IBM Plex Mono", "Roboto Mono", Menlo, Consolas, monospace;
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  padding-top: var(--header-h);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--void-green);
  background-image:
    linear-gradient(to right, rgba(29, 58, 47, .38) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(29, 58, 47, .38) 1px, transparent 1px);
  background-size: 88px 88px;
  background-position: center top;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.08;
  color: var(--text-primary);
}
h1 { font-size: clamp(34px, 5vw, 60px); }
h2 { font-size: clamp(24px, 3.2vw, 38px); }
h3 { font-size: clamp(19px, 2.2vw, 24px); }
h4 { font-size: 17px; letter-spacing: 0; }

p { max-width: 38em; color: var(--text-primary); }
strong { color: var(--lime-signal); font-weight: 700; }
small { font-size: 12px; color: var(--text-muted); }

::selection { background: var(--lime-signal); color: #07120E; }

/* ---------- 4. 布局工具 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(48px, 8vh, 96px); }
.section--tight { padding-block: clamp(26px, 4vh, 46px); }
.section--panel { background: var(--moss-panel); border-block: 1px solid var(--grid-hairline); }

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

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--col-gap);
}

.overlay-hero { margin-top: calc(-1 * var(--header-h)); }

/* ---------- 5. 章节头 / 编号体系 ---------- */
.section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(14px, 2vw, 30px);
  align-items: end;
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vh, 34px);
  border-bottom: 1px solid var(--grid-hairline);
}
.section-index {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 5vw, 62px);
  line-height: .86;
  letter-spacing: -.05em;
  color: var(--lime-signal);
}
.section-kicker {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.section-title { color: var(--text-primary); }

/* ---------- 6. 按钮与状态 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border: 1px solid var(--grid-hairline);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: .06em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}
.btn--primary {
  background: var(--lime-signal);
  border-color: var(--lime-signal);
  color: #061109;
  font-weight: 700;
}
.btn--primary:hover { background: var(--lime-soft); border-color: var(--lime-soft); }
.btn--ghost:hover { border-color: var(--lime-signal); color: var(--lime-signal); }
.btn--sm { padding: 7px 12px; font-size: 12px; }
.btn--block { width: 100%; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border: 1px solid var(--grid-hairline);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: .08em;
  line-height: 1.2;
  white-space: nowrap;
  transition: background-color 150ms var(--ease), color 150ms var(--ease), border-color 150ms var(--ease);
}
.pill:hover { border-color: var(--lime-signal); color: var(--text-primary); }
.pill--filter[aria-pressed="true"] {
  background: var(--lime-signal);
  border-color: var(--lime-signal);
  color: #061109;
  font-weight: 700;
}
.pill--live { color: var(--cyan-live); border-color: rgba(86, 232, 208, .42); }
.pill--amber { background: var(--amber-score); border-color: var(--amber-score); color: #061109; font-weight: 700; }
.pill--delta { color: var(--crimson-delta); border-color: rgba(255, 107, 94, .42); }

.tag {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ---------- 7. 页头 ---------- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 16px;
  border-radius: var(--radius);
  background: var(--lime-signal);
  color: #061109;
  font-size: 13px;
  letter-spacing: .08em;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform 160ms var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  display: flex;
  align-items: center;
  height: var(--header-h);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color 220ms var(--ease), border-color 220ms var(--ease);
}
.site-header.is-scrolled,
.site-header[data-open="true"] {
  background: var(--carbon-black);
  border-bottom-color: var(--grid-hairline);
}

.site-header__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(16px, 2.4vw, 34px);
  padding-block: 12px;
  transition: padding 200ms var(--ease);
}
.site-header.is-scrolled .site-header__inner { padding-block: 8px; }

.site-header__brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  min-width: 0;
}
.brand-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.02em;
  line-height: 1;
  color: var(--text-primary);
  white-space: nowrap;
}
.brand-mark__accent { color: var(--lime-signal); margin-left: 5px; }
.brand-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-data);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: var(--text-muted);
  white-space: nowrap;
}
.brand-dot {
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--cyan-live);
  box-shadow: 0 0 0 3px rgba(86, 232, 208, .14);
}

.site-nav { min-width: 0; }
.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 24px);
}
.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 6px 2px;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 160ms var(--ease);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--lime-signal);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms var(--ease);
}
.site-nav__link:hover { color: var(--text-primary); }
.site-nav__link:hover::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] { color: var(--lime-signal); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

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

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--grid-hairline);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 12px;
  letter-spacing: .08em;
}
.nav-toggle__bar {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--lime-signal);
  box-shadow: 0 5px 0 var(--lime-signal), 0 -5px 0 var(--lime-signal);
}
.nav-toggle__label { line-height: 1; }

.header-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--lime-signal);
  transform: scaleX(0);
  transform-origin: left center;
}

/* ---------- 8. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 8vh, 96px);
  background: var(--carbon-black);
  border-top: 1px solid var(--grid-hairline);
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) minmax(0, 2.6fr);
  gap: clamp(24px, 4vw, 64px);
  padding-block: clamp(36px, 6vh, 72px) clamp(24px, 4vh, 44px);
}
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand .brand-mark { font-size: 22px; }
.footer-brand__note {
  max-width: 22em;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.2vw, 32px);
}
.footer-col { padding-left: clamp(10px, 1.4vw, 20px); border-left: 1px solid var(--grid-hairline); }
.footer-col__title {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--lime-signal);
  margin-bottom: 14px;
}
.footer-list { display: grid; gap: 9px; }
.footer-list li { font-size: 13.5px; line-height: 1.6; color: var(--text-muted); }
.footer-list a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 150ms var(--ease), border-color 150ms var(--ease);
}
.footer-list a:hover { color: var(--lime-signal); border-bottom-color: var(--lime-signal); }
.footer-contact {
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--text-primary);
  word-break: break-all;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding-block: 18px 26px;
  border-top: 1px solid var(--grid-hairline);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-muted);
}
.footer-legal__sep { width: 1px; height: 12px; background: var(--grid-hairline); }

/* ---------- 9. 通用组件 ---------- */
.panel {
  background: var(--moss-panel);
  border: 1px solid var(--grid-hairline);
  padding: clamp(16px, 2vw, 26px);
}
.panel--flush { padding: 0; }

.stat { display: flex; flex-direction: column; gap: 4px; }
.stat__value {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "zero" 1;
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--amber-score);
}
.stat__label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-muted);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-muted);
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--moss-panel);
  border: 1px solid var(--grid-hairline);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(135deg, transparent 45.6%, rgba(200, 255, 77, .24) 45.9%, rgba(200, 255, 77, .24) 46.3%, transparent 46.6%),
    linear-gradient(315deg, transparent 62%, rgba(86, 232, 208, .16) 62.3%, rgba(86, 232, 208, .16) 62.6%, transparent 62.9%),
    radial-gradient(circle at 74% 26%, rgba(86, 232, 208, .18), transparent 52%),
    linear-gradient(to right, rgba(29, 58, 47, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(29, 58, 47, .5) 1px, transparent 1px);
  background-size: auto, auto, auto, 44px 44px, 44px 44px;
}
.media-frame__inner { position: absolute; inset: 0; }
.media-frame__inner img,
.media-frame__inner picture,
.media-frame__inner svg,
.media-frame__inner video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  max-width: 100%;
  padding: 7px 12px;
  background: rgba(7, 18, 14, .82);
  border-top: 1px solid var(--grid-hairline);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text-muted);
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.prose { padding-block: clamp(32px, 5vh, 64px); }
.prose__inner { max-width: 38em; }
.prose__inner > * + * { margin-top: 1.15em; }
.prose__inner h2 { margin-top: 2em; }
.prose__inner h3 { margin-top: 1.7em; }
.prose__inner ul { display: grid; gap: .5em; }
.prose__inner li { padding-left: 1.15em; position: relative; }
.prose__inner li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 1px;
  background: var(--lime-signal);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 16px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-muted);
}
.breadcrumb a { color: var(--text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--lime-signal); }
.breadcrumb__sep { color: var(--grid-hairline); }

.list-line { border-top: 1px solid var(--grid-hairline); }
.list-line:last-child { border-bottom: 1px solid var(--grid-hairline); }

.drawer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 95;
  background: var(--carbon-black);
  border-top: 1px solid var(--grid-hairline);
  transform: translateY(calc(100% - 52px));
  transition: transform 220ms var(--ease);
}
.drawer[data-open="true"] { transform: translateY(0); }
.drawer__handle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 52px;
  padding-inline: var(--gutter);
}
.drawer__handle::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  width: 44px;
  height: 2px;
  margin-left: -22px;
  background: var(--grid-hairline);
}
.drawer__body {
  max-height: 62vh;
  overflow-y: auto;
  padding: 4px var(--gutter) 26px;
}
.drawer__label { font-size: 13px; letter-spacing: .08em; color: var(--text-primary); }

.js [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 200ms ease-out, transform 200ms ease-out;
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 10. 焦点 ---------- */
:focus-visible {
  outline: 2px solid var(--lime-signal);
  outline-offset: 2px;
}
a:focus-visible,
button:focus-visible { outline: 2px solid var(--lime-signal); outline-offset: 2px; }

/* ---------- 11. 响应式 ---------- */
@media (max-width: 1180px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand__note { max-width: 34em; }
}

@media (max-width: 1080px) {
  :root { --header-h: 68px; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    max-height: calc(100vh - var(--header-h) - 24px);
    overflow-y: auto;
    padding: 6px var(--gutter) 22px;
    background: var(--carbon-black);
    border-top: 1px solid var(--grid-hairline);
    border-bottom: 1px solid var(--grid-hairline);
  }
  .site-header[data-open="true"] .site-nav { display: block; }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav__link {
    display: block;
    padding: 14px 0;
    border-bottom: 1px solid var(--grid-hairline);
    font-size: 15px;
    letter-spacing: .06em;
  }
  .site-nav__link::after { display: none; }
  .site-nav__link[aria-current="page"] { color: var(--lime-signal); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 20px; }
}

@media (max-width: 900px) {
  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .footer-col { padding-left: 12px; }
}

@media (max-width: 640px) {
  body {
    background-size: 60px 60px;
    padding-top: var(--header-h);
  }
  .header-actions .btn--ghost { display: none; }
  .brand-status { display: none; }
  .brand-mark { font-size: 18px; }
  .section-head { grid-template-columns: auto 1fr; gap: 12px; }
  .grid-12 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-col { padding-left: 0; padding-top: 14px; border-left: 0; border-top: 1px solid var(--grid-hairline); }
  .footer-legal { gap: 8px 12px; }
  .footer-legal__sep { display: none; }
}

/* ---------- 12. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .header-progress { transition: none; }
  .site-header { transition: none; }
}