/* =========================================================
   球盟会体育 · 共享样式表 /assets/site.css
   语言：堆叠墨绿面板 + 切角 + 45° 斜线 + 夜间计分板对比
   ========================================================= */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, hr { margin: 0; }

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

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

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

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

table { border-collapse: collapse; width: 100%; }

hr { border: 0; border-top: 1px solid var(--line); }

/* ---------- tokens ---------- */
:root {
  --floor: #07130F;
  --panel: #0C1F19;
  --card: #12332A;
  --line: #1E4A3C;
  --muted: #2F6B58;
  --dim: #9DB3AA;
  --ink: #DCE7E2;
  --accent: #3BF0C6;
  --data: #FF8A3D;
  --alert: #FF6B6B;

  --shell: 1200px;
  --cut: 14px;
  --cut-sm: 6px;
  --gap: 24px;
  --pad-x: 24px;
  --panel-gap: 32px;

  --font-display: "Arial Narrow", "Helvetica Neue", Arial,
    "PingFang SC", "Source Han Sans SC", "Noto Sans SC",
    "Microsoft YaHei", system-ui, sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC",
    "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei",
    system-ui, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", "Courier New", monospace;

  --fs-12: 12px;
  --fs-14: 14px;
  --fs-16: 16px;
  --fs-20: 20px;
  --fs-28: 28px;
  --fs-40: 40px;
  --fs-56: 56px;
}

/* ---------- base ---------- */
body {
  min-height: 100vh;
  background-color: var(--floor);
  background-image:
    linear-gradient(rgba(30, 74, 60, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 74, 60, 0.14) 1px, transparent 1px);
  background-size: 64px 64px;
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.08em;
}

h1 { font-size: var(--fs-56); }
h2 { font-size: var(--fs-40); }
h3 { font-size: var(--fs-28); }
h4 { font-size: var(--fs-20); }

::selection {
  background: rgba(59, 240, 198, 0.28);
  color: #ffffff;
}

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

.num,
code, kbd, samp, time {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: 0.02em;
}

.num--data { color: var(--data); }
.num--alert { color: var(--alert); }

/* ---------- skip link ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -64px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--accent);
  color: #04140F;
  font-size: var(--fs-14);
  font-weight: 700;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: top 160ms ease-out;
}

.skip-link:focus {
  top: 12px;
}

/* ---------- layout helpers ---------- */
.container {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad-x);
}

.shell {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: var(--panel-gap);
  align-items: start;
}

.shell__aside { position: sticky; top: 88px; }
.shell__main { min-width: 0; }

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

/* ---------- panels / cards ---------- */
.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 28px;
  clip-path: polygon(
    var(--cut) 0, 100% 0,
    100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%,
    0 100%, 0 var(--cut)
  );
}

.panel + .panel { margin-top: var(--panel-gap); }

.panel__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}

.panel__index {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.1em;
  color: var(--data);
}

.panel__title {
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card {
  position: relative;
  display: block;
  overflow: hidden;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  color: inherit;
  transition: border-color 180ms ease-out, background-color 180ms ease-out;
}

.card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), rgba(59, 240, 198, 0));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 180ms ease-out;
}

.card:hover,
.card:focus-visible {
  border-color: var(--muted);
  background: #14392E;
}

.card:hover::after,
.card:focus-visible::after { transform: scaleX(1); }

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--dim);
}

.card__title {
  margin-top: 8px;
  font-size: var(--fs-20);
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.06em;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  transition: background-color 180ms ease-out, color 180ms ease-out,
    border-color 180ms ease-out;
}

.btn--primary {
  background: var(--accent);
  color: #04140F;
}

.btn--primary:hover { background: #74f8da; }

.btn--ghost {
  background: rgba(59, 240, 198, 0.04);
  border-color: var(--line);
  color: var(--ink);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn--data {
  background: var(--data);
  color: #1A0D02;
}

.btn--data:hover { background: #ffa163; }

.btn--sm {
  padding: 7px 14px;
  font-size: 13px;
}

/* ---------- chips ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  transition: color 180ms ease-out, border-color 180ms ease-out,
    background-color 180ms ease-out;
}

.chip:hover {
  color: var(--ink);
  border-color: var(--muted);
}

.chip.is-on,
.chip[aria-pressed="true"] {
  background: rgba(59, 240, 198, 0.12);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---------- timeline rail ---------- */
.rail { display: grid; gap: 4px; }

.rail__item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 0;
  color: var(--dim);
  font-size: var(--fs-12);
  text-align: left;
  transition: color 240ms ease-out;
}

.rail__tick {
  flex: 0 0 auto;
  width: 10px;
  height: 2px;
  background: var(--muted);
  transition: background-color 240ms ease-out, width 240ms ease-out;
}

.rail__item:hover { color: var(--ink); }

.rail__item.is-current { color: var(--accent); }

.rail__item.is-current .rail__tick {
  background: var(--accent);
  width: 22px;
}

/* ---------- media ---------- */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(59, 240, 198, 0.07), rgba(7, 19, 15, 0.9)),
    var(--card);
  border: 1px solid var(--line);
  clip-path: polygon(
    var(--cut) 0, 100% 0,
    100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%,
    0 100%, 0 var(--cut)
  );
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(220, 231, 226, 0.05) 0 1px,
    transparent 1px 4px
  );
  opacity: 0.6;
}

.media-frame img,
.media-frame picture,
.media-frame svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  max-width: 100%;
  padding: 8px 14px;
  background: rgba(7, 19, 15, 0.86);
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: var(--fs-12);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ---------- prose ---------- */
.prose {
  max-width: 68ch;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink);
}

.prose p { margin-bottom: 1em; }
.prose p:last-child { margin-bottom: 0; }

.prose a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: text-decoration-thickness 140ms ease-out;
}

.prose a:hover { text-decoration-thickness: 3px; }

.prose ul,
.prose ol {
  margin-bottom: 1em;
  padding-left: 1.2em;
  list-style: none;
}

.prose li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
}

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 8px;
  height: 1px;
  background: var(--muted);
}

.prose strong { color: #ffffff; font-weight: 700; }

/* ---------- breadcrumb ---------- */
.breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--dim);
}

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

.breadcrumb__list li { display: inline-flex; align-items: center; gap: 8px; }

.breadcrumb__list li + li::before {
  content: "/";
  color: var(--muted);
}

.breadcrumb a {
  color: var(--dim);
  transition: color 160ms ease-out;
}

.breadcrumb a:hover { color: var(--accent); }

.breadcrumb [aria-current="page"] { color: var(--accent); }

/* ---------- reveal ---------- */
html.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 240ms ease-out, transform 240ms ease-out;
}

html.js-ready [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(7, 19, 15, 0.94);
  border-bottom: 1px solid var(--line);
}

@supports (backdrop-filter: blur(10px)) {
  .site-header {
    background: rgba(7, 19, 15, 0.82);
    backdrop-filter: blur(10px);
  }
}

.cmdbar { position: relative; }

.cmdbar__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  max-width: var(--shell);
  min-height: 66px;
  margin-inline: auto;
  padding: 12px var(--pad-x);
}

/* brand */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--ink);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(150deg, #3BF0C6, #14A886);
  color: #04140F;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 800;
  letter-spacing: 0.16em;
}

.brand__tagline {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

/* nav toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.08em;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.nav-toggle__bars {
  position: relative;
  width: 15px;
  height: 10px;
  flex: 0 0 auto;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform 200ms ease-out, top 200ms ease-out;
}

.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { top: 8.5px; }

.nav-toggle[aria-expanded="true"] { color: var(--accent); border-color: var(--accent); }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 4.25px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  top: 4.25px;
  transform: rotate(-45deg);
}

/* command nav */
.cmd-nav { flex: 1 1 auto; min-width: 0; }

.cmd-nav__list {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 2px;
}

.cmd-nav__link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 11px;
  border-bottom: 2px solid transparent;
  color: var(--dim);
  font-size: 13px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color 160ms ease-out, border-color 160ms ease-out,
    background-color 160ms ease-out;
}

.cmd-nav__index {
  font-size: 11px;
  color: var(--muted);
  transition: color 160ms ease-out;
}

.cmd-nav__link:hover {
  color: var(--ink);
  background: rgba(30, 74, 60, 0.28);
}

.cmd-nav__link:hover .cmd-nav__index { color: var(--accent); }

.cmd-nav__link[aria-current="page"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: rgba(59, 240, 198, 0.07);
}

.cmd-nav__link[aria-current="page"] .cmd-nav__index { color: var(--accent); }

/* header meta */
.cmdbar__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  margin-left: auto;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  border: 1px solid var(--line);
  color: var(--dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
}

.status-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px rgba(59, 240, 198, 0.85);
  animation: qmh-pulse 2400ms ease-in-out infinite;
}

@keyframes qmh-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* reading progress */
.progress-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  pointer-events: none;
}

.progress-bar::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, #3BF0C6, #1FD9AE 65%, #FF8A3D);
  transform: scaleX(var(--p, 0));
  transform-origin: left center;
  transition: transform 120ms linear;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  position: relative;
  margin-top: 72px;
  background: var(--panel);
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 1px;
  height: 6px;
  background: repeating-linear-gradient(
    45deg,
    var(--line) 0 1px,
    transparent 1px 9px
  );
  opacity: 0.85;
  pointer-events: none;
}

.footer__inner { padding-block: 56px 28px; }

.footer__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1.5fr;
  gap: 40px;
}

.footer__brand { min-width: 0; }

.footer__mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 14px;
  background: rgba(59, 240, 198, 0.1);
  border: 1px solid var(--muted);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}

.footer__brandline {
  font-size: var(--fs-14);
  color: var(--ink);
  letter-spacing: 0.04em;
}

.footer__brandmeta {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.footer__col { min-width: 0; }

.footer__col-title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: var(--fs-14);
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.footer__list { display: grid; gap: 10px; }

.footer__link {
  display: inline-block;
  color: var(--dim);
  font-size: var(--fs-14);
  border-bottom: 1px solid transparent;
  transition: color 160ms ease-out, border-color 160ms ease-out;
}

.footer__link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.footer__list--contact { gap: 12px; }

.footer__list--contact li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.footer__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.footer__value {
  font-size: var(--fs-14);
  color: var(--dim);
  word-break: break-word;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.footer__note {
  max-width: 62ch;
  font-size: var(--fs-12);
  color: var(--dim);
  line-height: 1.7;
}

.footer__legal {
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--muted);
  white-space: nowrap;
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1180px) {
  .status-pill { display: none; }
}

@media (max-width: 1024px) {
  :root { --pad-x: 20px; --panel-gap: 24px; }

  .cmd-nav__index { display: none; }
  .cmd-nav__link { padding: 9px 9px; font-size: 13px; }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 960px) {
  :root { --panel-gap: 20px; }

  .shell { grid-template-columns: 1fr; }
  .shell__aside { position: static; }

  .nav-toggle { display: inline-flex; }

  .cmd-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    background: var(--panel);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    transition: max-height 260ms ease-out, opacity 200ms ease-out;
  }

  .cmd-nav[data-open] {
    max-height: 74vh;
    overflow-y: auto;
    opacity: 1;
  }

  .cmd-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px var(--pad-x) 18px;
  }

  .cmd-nav__link {
    justify-content: flex-start;
    gap: 12px;
    padding: 14px 4px;
    border-bottom: 1px solid var(--line);
    border-left: 2px solid transparent;
    font-size: var(--fs-14);
    background: none;
  }

  .cmd-nav__index { display: inline; font-size: 12px; }

  .cmd-nav__link[aria-current="page"] {
    border-bottom-color: var(--line);
    border-left-color: var(--accent);
    background: rgba(59, 240, 198, 0.07);
  }

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 20px; }

  .panel { padding: 22px; }

  .footer__inner { padding-block: 44px 24px; }
}

@media (max-width: 720px) {
  :root { --pad-x: 16px; --cut: 12px; }

  h1 { font-size: var(--fs-40); }
  h2 { font-size: var(--fs-28); }
  h3 { font-size: var(--fs-20); }

  .brand__tagline { display: none; }
  .brand__mark { width: 34px; height: 34px; font-size: 12px; }

  .cmdbar__inner { gap: 12px; min-height: 60px; }

  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .footer__grid { grid-template-columns: 1fr; gap: 28px; }

  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    margin-top: 32px;
  }

  .footer__legal { white-space: normal; }

  .panel__head { flex-wrap: wrap; }
}

@media (max-width: 420px) {
  .btn--sm { padding: 7px 11px; font-size: 12px; }
  .nav-toggle__label { display: none; }
}

/* =========================================================
   MOTION PREFERENCES
   ========================================================= */
@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;
  }

  html.js-ready [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .status-dot { animation: none; }
}