/* ============================================================
   site.css — 米乐赛事 共享外壳与基础组件
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; }
img, svg, video { max-width: 100%; }
button { font: inherit; }

:root {
  --mk-night: #07130F;
  --mk-bg: #0B1F1A;
  --mk-panel: #102B24;
  --mk-lime: #C6FF3D;
  --mk-lime-dim: #8FCC1F;
  --mk-orange: #FF8A3D;
  --mk-silver: #B9C4C0;
  --mk-paper: #F4F7F2;
  --mk-muted: #6F857C;
  --mk-ink: #050A08;
  --mk-line: rgba(185, 196, 192, 0.16);
  --mk-line-strong: rgba(185, 196, 192, 0.36);
  --mk-shadow: 0 18px 40px -28px #000;
  --mk-display: "Barlow Condensed", "Noto Sans SC", "Source Han Sans SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --mk-body: "Noto Sans SC", "Source Han Sans SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mk-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Noto Sans SC", monospace;
  --mk-wrap: 1240px;
  --mk-gutter: clamp(16px, 4vw, 48px);
  --mk-sticky-top: 86px;
}

body {
  background: var(--mk-bg);
  color: var(--mk-silver);
  font-family: var(--mk-body);
  font-size: 17px;
  line-height: 1.85;
  font-weight: 400;
  letter-spacing: 0.01em;
}

::selection { background: var(--mk-lime); color: var(--mk-night); }

a { color: var(--mk-lime); text-underline-offset: 3px; }

h1, h2, h3, h4 {
  font-family: var(--mk-display);
  color: var(--mk-paper);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.012em;
}

.mk-num {
  font-family: var(--mk-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ---------- 焦点 ---------- */
:where(a, button, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--mk-lime);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- 跳转链接 ---------- */
.mk-skip {
  position: fixed;
  top: -120px;
  left: 14px;
  z-index: 200;
  padding: 11px 18px;
  background: var(--mk-lime);
  color: var(--mk-night);
  font-family: var(--mk-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: top 180ms ease;
}
.mk-skip:focus { top: 14px; }

/* ---------- 容器 ---------- */
.mk-wrap,
.mk-container {
  width: 100%;
  max-width: var(--mk-wrap);
  margin-inline: auto;
  padding-inline: var(--mk-gutter);
}

/* ============================================================
   头部
   ============================================================ */
.mk-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--mk-bg);
  border-bottom: 1px solid var(--mk-line);
}

.mk-progress {
  display: block;
  height: 2px;
  background: rgba(185, 196, 192, 0.1);
  overflow: hidden;
}
.mk-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--mk-lime), var(--mk-orange));
  transition: width 100ms linear;
}

.mk-topbar {
  background: var(--mk-night);
  border-bottom: 1px solid var(--mk-line);
  overflow: hidden;
  max-height: 160px;
  transition: max-height 240ms ease, opacity 200ms ease;
}
.mk-header[data-scrolled="true"] .mk-topbar { max-height: 0; opacity: 0; }
.mk-topbar:focus-within { max-height: 160px; opacity: 1; }

.mk-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 3vw, 32px);
  padding-block: 13px;
}

.mk-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--mk-paper);
}
.mk-brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  border: 1px solid var(--mk-lime);
  color: var(--mk-lime);
  font-family: var(--mk-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  background: linear-gradient(160deg, rgba(198, 255, 61, 0.16), transparent 70%);
  transition: border-color 180ms ease, color 180ms ease;
}
.mk-brand__name {
  display: block;
  font-family: var(--mk-display);
  font-weight: 800;
  font-size: 19px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--mk-paper);
}
.mk-brand__line {
  display: block;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--mk-muted);
  letter-spacing: 0.05em;
}
.mk-brand:hover .mk-brand__mark { border-color: var(--mk-lime-dim); color: var(--mk-lime-dim); }
.mk-brand:hover .mk-brand__name { color: var(--mk-lime); }

.mk-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  font-family: var(--mk-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mk-muted);
}
.mk-meta__item { display: inline-flex; align-items: center; gap: 6px; }
.mk-meta__item--live { color: var(--mk-orange); }
.mk-meta__item--live::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--mk-orange);
  box-shadow: 0 0 0 3px rgba(255, 138, 61, 0.16);
}
.mk-topbar__cta { flex: none; }

.mk-navbar { background: var(--mk-bg); }
.mk-navbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-block: 6px;
}

.mk-nav { display: none; flex: 1; min-width: 0; }
.mk-nav[data-open] { display: block; }
.mk-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px clamp(14px, 2.4vw, 30px);
  list-style: none;
}
.mk-nav__item { margin: 0; }
.mk-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 2px;
  color: var(--mk-silver);
  font-size: 15px;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.mk-nav__link::before {
  content: "";
  width: 5px;
  height: 5px;
  background: currentColor;
  opacity: 0;
  transition: opacity 180ms ease;
}
.mk-nav__link:hover { color: var(--mk-lime); }
.mk-nav__link:hover::before { opacity: 0.65; }
.mk-nav__link[aria-current="page"] {
  color: var(--mk-lime);
  border-bottom-color: var(--mk-lime);
}
.mk-nav__link[aria-current="page"]::before { opacity: 1; background: var(--mk-lime); }

.mk-nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: transparent;
  border: 1px solid var(--mk-line-strong);
  color: var(--mk-paper);
  font-family: var(--mk-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease;
}
.mk-nav-toggle:hover { border-color: var(--mk-lime); color: var(--mk-lime); }
.mk-nav-toggle__bars { display: inline-grid; gap: 3.5px; width: 16px; }
.mk-nav-toggle__bars span {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform 200ms ease, opacity 200ms ease;
}
.mk-nav-toggle[aria-expanded="true"] { border-color: var(--mk-lime); color: var(--mk-lime); }
.mk-nav-toggle[aria-expanded="true"] .mk-nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.mk-nav-toggle[aria-expanded="true"] .mk-nav-toggle__bars span:nth-child(2) { opacity: 0; }
.mk-nav-toggle[aria-expanded="true"] .mk-nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ============================================================
   页脚
   ============================================================ */
.mk-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  padding-top: clamp(36px, 6vw, 68px);
  background: var(--mk-night);
  border-top: 1px solid var(--mk-line);
}
.mk-footer::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: min(280px, 42%);
  height: 2px;
  background: linear-gradient(90deg, var(--mk-lime), var(--mk-orange));
}

.mk-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(28px, 4vw, 48px);
}

.mk-footer__brand { max-width: 42ch; }
.mk-brand--footer { margin-bottom: 14px; }
.mk-footer__desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mk-silver);
  margin-bottom: 10px;
}
.mk-footer__meta {
  font-family: var(--mk-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mk-muted);
}

.mk-footer__title {
  font-family: var(--mk-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--mk-lime);
  margin-bottom: 14px;
}

.mk-footer__list {
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 14.5px;
  line-height: 1.7;
}
.mk-footer__list a {
  color: var(--mk-silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}
.mk-footer__list a:hover { color: var(--mk-lime); border-bottom-color: var(--mk-lime); }
.mk-footer__list--plain li { color: var(--mk-muted); font-size: 13.5px; }
.mk-footer__list--plain .mk-num { color: var(--mk-silver); }

.mk-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding-block: 18px;
  border-top: 1px solid var(--mk-line);
}
.mk-footer__legal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  list-style: none;
  font-size: 13px;
}
.mk-footer__legal-link {
  color: var(--mk-silver);
  text-decoration: none;
  border-bottom: 1px solid var(--mk-line-strong);
  transition: color 180ms ease, border-color 180ms ease;
}
.mk-footer__legal-link:hover { color: var(--mk-lime); border-bottom-color: var(--mk-lime); }

.mk-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding-block: 18px clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--mk-line);
  font-size: 12.5px;
  color: var(--mk-muted);
}
.mk-footer__record { color: var(--mk-muted); font-size: 12.5px; }

/* ============================================================
   通用页面组件
   ============================================================ */
.mk-section { padding-block: clamp(32px, 5vw, 72px); }

.mk-divider {
  border: 0;
  border-top: 1px solid var(--mk-line);
  margin-block: clamp(20px, 3vw, 36px);
}

.mk-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  font-family: var(--mk-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mk-lime);
}
.mk-eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--mk-lime);
  flex: none;
}
.mk-eyebrow--vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 0.32em;
  gap: 10px;
}
.mk-eyebrow--vertical::before { width: 1px; height: 24px; }

.mk-display {
  font-family: var(--mk-display);
  font-weight: 900;
  font-size: clamp(44px, 7vw, 112px);
  line-height: 1.02;
  letter-spacing: -0.015em;
  color: var(--mk-paper);
}

.mk-h1 {
  font-size: clamp(32px, 4.4vw, 56px);
  color: var(--mk-paper);
  margin-bottom: 0.5em;
}
.mk-h2 {
  font-size: clamp(26px, 3vw, 40px);
  color: var(--mk-paper);
  margin-bottom: 0.45em;
}
.mk-h3 {
  font-size: clamp(20px, 2vw, 24px);
  color: var(--mk-paper);
  margin-bottom: 0.4em;
}

.mk-lede {
  max-width: 60ch;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.85;
  color: var(--mk-silver);
}

.mk-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5em;
  list-style: none;
  padding-block: 14px;
  font-family: var(--mk-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mk-muted);
}
.mk-crumbs li { display: inline-flex; align-items: center; }
.mk-crumbs li + li::before {
  content: "/";
  margin-inline-end: 0.5em;
  color: rgba(185, 196, 192, 0.4);
}
.mk-crumbs a {
  color: var(--mk-silver);
  text-decoration: none;
  transition: color 180ms ease;
}
.mk-crumbs a:hover { color: var(--mk-lime); }

.mk-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  padding: 10px 18px;
  border: 1px solid var(--mk-line-strong);
  background: transparent;
  color: var(--mk-paper);
  font-family: var(--mk-mono);
  font-size: 13px;
  letter-spacing: 0.07em;
  text-decoration: none;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease, transform 180ms ease;
}
.mk-btn:hover { border-color: var(--mk-lime); color: var(--mk-lime); transform: translateY(-1px); }
.mk-btn--primary {
  background: var(--mk-lime);
  border-color: var(--mk-lime);
  color: var(--mk-night);
  font-weight: 700;
}
.mk-btn--primary:hover {
  background: var(--mk-lime-dim);
  border-color: var(--mk-lime-dim);
  color: var(--mk-night);
}
.mk-btn--ghost {
  border-color: transparent;
  padding-inline: 4px;
  color: var(--mk-silver);
  border-bottom: 1px solid var(--mk-line-strong);
}
.mk-btn--ghost:hover { color: var(--mk-lime); border-bottom-color: var(--mk-lime); }

.mk-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--mk-line-strong);
  background: rgba(185, 196, 192, 0.05);
  color: var(--mk-silver);
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  white-space: nowrap;
}
.mk-tag--lime { background: var(--mk-lime); border-color: var(--mk-lime); color: var(--mk-night); }
.mk-tag--orange {
  background: rgba(255, 138, 61, 0.1);
  border-color: rgba(255, 138, 61, 0.5);
  color: var(--mk-orange);
}
.mk-tag--ghost { background: transparent; border-style: dashed; color: var(--mk-muted); }

.mk-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.4vw, 28px);
}

.mk-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2vw, 24px);
  background: var(--mk-panel);
  border: 1px solid var(--mk-line);
  box-shadow: var(--mk-shadow);
  transition: border-color 200ms ease, transform 200ms ease, background 200ms ease;
}
.mk-card:hover { border-color: var(--mk-lime); transform: translateY(-2px); }
.mk-card__label {
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mk-muted);
}
.mk-card__title {
  font-family: var(--mk-display);
  font-weight: 800;
  font-size: clamp(19px, 1.8vw, 23px);
  line-height: 1.35;
  color: var(--mk-paper);
}
.mk-card__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mk-silver);
}
.mk-card__foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--mk-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.mk-figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--mk-line);
  background:
    linear-gradient(160deg, #143128 0%, var(--mk-panel) 38%, var(--mk-bg) 78%, var(--mk-night) 100%);
  box-shadow: var(--mk-shadow);
  transition: border-color 200ms ease;
}
.mk-figure img,
.mk-figure picture,
.mk-figure video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.mk-figure:hover { border-color: rgba(198, 255, 61, 0.55); }
.mk-figure--wide { aspect-ratio: 21 / 9; }
.mk-figure--portrait { aspect-ratio: 3 / 4; }
.mk-figure--square { aspect-ratio: 1 / 1; }
.mk-figure__label {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 3px 9px;
  background: rgba(7, 19, 15, 0.78);
  border: 1px solid var(--mk-lime);
  color: var(--mk-lime);
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.mk-figure__cap {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 7px 12px;
  background: rgba(7, 19, 15, 0.82);
  border-top: 1px solid rgba(198, 255, 61, 0.5);
  color: var(--mk-silver);
  font-family: var(--mk-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.mk-note {
  padding: clamp(14px, 2vw, 20px) clamp(16px, 2.4vw, 24px);
  background: var(--mk-paper);
  color: var(--mk-bg);
  border-left: 3px solid var(--mk-lime);
  font-size: 14.5px;
  line-height: 1.85;
}
.mk-note a { color: #1B4A38; }
.mk-note strong { color: var(--mk-night); }

.mk-details {
  border: 1px solid var(--mk-line);
  background: var(--mk-panel);
}
.mk-details > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--mk-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mk-paper);
  transition: color 180ms ease, background 180ms ease;
}
.mk-details > summary::-webkit-details-marker { display: none; }
.mk-details > summary::after {
  content: "+";
  flex: none;
  color: var(--mk-lime);
  font-size: 16px;
  line-height: 1;
}
.mk-details[open] > summary::after { content: "–"; }
.mk-details > summary:hover { color: var(--mk-lime); background: rgba(198, 255, 61, 0.04); }
.mk-details__body {
  padding: 2px 16px 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mk-silver);
}

.mk-index {
  position: sticky;
  top: var(--mk-sticky-top);
  align-self: start;
}
.mk-index__list {
  list-style: none;
  display: grid;
  gap: 2px;
}
.mk-index__link {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  color: var(--mk-silver);
  font-size: 14px;
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease, background 180ms ease;
}
.mk-index__link:hover {
  color: var(--mk-paper);
  border-left-color: var(--mk-lime);
  background: rgba(198, 255, 61, 0.06);
}
.mk-index__no {
  font-family: var(--mk-mono);
  font-size: 11px;
  color: var(--mk-muted);
}

.mk-rail {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(14px, 4vw, 32px);
  z-index: 55;
}
.mk-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--mk-lime);
  border: 1px solid var(--mk-night);
  color: var(--mk-night);
  font-family: var(--mk-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  box-shadow: 0 14px 26px -14px #000;
  transition: background 180ms ease, transform 180ms ease;
}
.mk-rail__link:hover { background: var(--mk-lime-dim); transform: translateY(-2px); }

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms ease, transform 520ms ease;
}
[data-reveal].is-revealed { opacity: 1; transform: none; }

/* ============================================================
   响应式
   ============================================================ */
@media (min-width: 760px) {
  .mk-grid--2,
  .mk-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mk-footer__grid { grid-template-columns: 1.5fr 1fr 1.2fr; }
}

@media (min-width: 901px) {
  .mk-nav { display: block; }
  .mk-nav-toggle { display: none; }
  .mk-navbar__inner { padding-block: 4px; }
}

@media (min-width: 1000px) {
  .mk-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .mk-nav-toggle { display: inline-flex; }
  .mk-nav {
    flex-basis: 100%;
    width: 100%;
    margin-top: 4px;
    border-top: 1px solid var(--mk-line);
  }
  .mk-nav[data-open] { display: block; }
  .mk-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-block: 4px;
  }
  .mk-nav__link {
    justify-content: flex-start;
    width: 100%;
    padding: 13px 4px;
    border-bottom: 1px solid var(--mk-line);
    font-size: 15.5px;
  }
  .mk-nav__link[aria-current="page"] { border-bottom-color: var(--mk-line); }
  .mk-nav__link[aria-current="page"]::after {
    content: "当前";
    margin-left: auto;
    font-family: var(--mk-mono);
    font-size: 10.5px;
    letter-spacing: 0.12em;
    color: var(--mk-lime);
  }
  .mk-meta { display: none; }
  .mk-topbar__inner { padding-block: 11px; }
  .mk-sticky-offset { --mk-sticky-top: 60px; }
  .mk-index { position: static; }
}

@media (max-width: 640px) {
  body { font-size: 16px; line-height: 1.8; }
  .mk-brand__line { display: none; }
  .mk-topbar__cta { padding: 9px 13px; font-size: 12px; }
  .mk-footer__legal { justify-content: flex-start; }
  .mk-footer__bottom { justify-content: flex-start; }
  .mk-rail { right: 12px; bottom: 12px; }
  .mk-rail__link { padding: 10px 13px; font-size: 11px; }
}

@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;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .mk-progress__bar { transition: none; }
}