/* =========================================================
   亚博线上赛场 · 共享样式 / assets/site.css
   夜间赛场指挥中心 · 炭黑 + 深墨绿 + 荧光青柠
   ========================================================= */

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

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--fog);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 2. Tokens ---------- */
:root {
  --ink: #0B0F0C;
  --deep: #0F2A1D;
  --panel: #123D2A;
  --line: #1C5A3C;
  --lime: #C6FF3D;
  --lime-soft: #E8FF9A;
  --orange: #FF8A3D;
  --orange-soft: #FFC48A;
  --fog: #E6EDE8;
  --muted: #9AAFA3;
  --dim: #5C6F63;

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

  --max: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --pad-y: clamp(40px, 6vw, 88px);
  --micro: 11px;
  --track: .16em;
}

/* ---------- 3. 中文排版与焦点 ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.012em;
  text-wrap: balance;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4vw, 56px);
  line-height: 1.06;
  letter-spacing: -.02em;
  text-wrap: balance;
}

.prose { font-size: 16px; line-height: 1.78; color: var(--muted); }
.prose > * + * { margin-top: 1.05em; }
.prose p { max-width: 38em; }
.prose strong { color: var(--fog); font-weight: 700; }
.prose a { color: var(--lime-soft); border-bottom: 1px solid var(--line); }
.prose a:hover { border-bottom-color: var(--lime); }

.num,
.stat__value,
.meter__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 1px;
}

::selection { background: var(--lime); color: #08120B; }

/* ---------- 4. Skip link ---------- */
.skip-link {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 400;
  display: inline-block;
  padding: 10px 18px;
  background: var(--lime);
  color: #08120B;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  transition: top .18s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- 5. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  border-bottom: 1px solid rgba(28, 90, 60, .7);
}

.header-top {
  background: var(--deep);
  border-bottom: 1px solid rgba(28, 90, 60, .55);
}
.header-top__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 7px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.header-top__line {
  margin: 0;
  font-size: var(--micro);
  letter-spacing: var(--track);
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-top__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--micro);
  letter-spacing: .14em;
  color: var(--lime);
  white-space: nowrap;
}
.header-top__tick {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--lime);
  animation: tick-pulse 2.4s ease-in-out infinite;
}
.header-top__note { color: var(--muted); }

@keyframes tick-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .35; transform: scale(.72); }
}

.header-bar { background: linear-gradient(90deg, rgba(15, 42, 29, .95), rgba(11, 15, 12, 1) 62%); }
.header-bar__inner {
  position: relative;
  max-width: var(--max);
  margin: 0 auto;
  padding: 13px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}
.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: var(--lime);
  color: #08120B;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 50% 100%, 0 68%);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--fog);
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--dim);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}
.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 22px);
}
.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
  transition: color .18s ease;
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s ease;
}
.site-nav__link:hover { color: var(--fog); }
.site-nav__link:hover::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] { color: var(--fog); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 50%;
  width: 4px;
  height: 4px;
  background: var(--lime);
  transform: translateY(-50%);
}
.site-nav__cta { flex: 0 0 auto; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: rgba(18, 61, 42, .5);
  color: var(--fog);
  font-family: var(--font-mono);
  font-size: var(--micro);
  letter-spacing: var(--track);
  text-transform: uppercase;
  cursor: pointer;
}
.nav-toggle:hover { border-color: var(--lime); color: var(--lime); }
.nav-toggle__bars { display: inline-flex; flex-direction: column; gap: 4px; width: 16px; }
.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: var(--lime);
  transition: transform .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:first-child { transform: translateY(3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:last-child { transform: translateY(-3px) rotate(-45deg); }

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--fog);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  text-align: center;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}
.btn--accent {
  background: var(--lime);
  border-color: var(--lime);
  color: #08120B;
}
.btn--accent:hover,
.btn--accent:focus-visible { background: var(--lime-soft); border-color: var(--lime-soft); }
.btn--ghost { background: transparent; color: var(--fog); }
.btn--ghost:hover,
.btn--ghost:focus-visible { border-color: var(--lime); color: var(--lime); }

/* ---------- 7. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: var(--pad-y) 0; }
.section--tight { padding: clamp(24px, 3.4vw, 48px) 0; }

.grid { display: grid; gap: clamp(16px, 2.4vw, 32px); }
.grid--7-5 { grid-template-columns: 7fr 5fr; }
.grid--8-4 { grid-template-columns: 8fr 4fr; }
.grid--9-3 { grid-template-columns: 9fr 3fr; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------- 8. Breadcrumb ---------- */
.breadcrumb { padding: clamp(14px, 2vw, 22px) 0 0; }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: var(--micro);
  letter-spacing: .12em;
  color: var(--dim);
}
.breadcrumb__list li { display: inline-flex; align-items: center; gap: 9px; }
.breadcrumb__list li + li::before { content: "/"; color: var(--line); }
.breadcrumb__list a { color: var(--muted); transition: color .18s ease; }
.breadcrumb__list a:hover { color: var(--lime); }

/* ---------- 9. Base components ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--micro);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lime);
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  background: var(--lime);
}

.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(16px, 2.2vw, 28px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
.tag--live { border-color: var(--lime); color: var(--lime); background: rgba(198, 255, 61, .08); }
.tag--review { border-color: var(--orange); color: var(--orange); background: rgba(255, 138, 61, .1); }

.num { color: var(--lime); }

.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-left: 2px solid var(--line);
  padding-left: 12px;
}
.stat__value {
  font-size: clamp(24px, 3vw, 48px);
  font-weight: 700;
  line-height: 1;
  color: var(--lime);
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--dim);
}

.meter {
  position: relative;
  height: 6px;
  width: 100%;
  background: rgba(28, 90, 60, .55);
  overflow: hidden;
}
.meter__fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--lime), var(--lime-soft));
  transition: width .8s cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 10. Media containers ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  aspect-ratio: 16 / 10;
}
.media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(11, 15, 12, 0) 42%, rgba(11, 15, 12, .62) 100%);
  pointer-events: none;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }
.media__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 8px 12px;
  background: rgba(11, 15, 12, .82);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 11. Reveal & scroll meter ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

.scroll-meter {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 300;
  pointer-events: none;
  background: rgba(28, 90, 60, .35);
}
.scroll-meter__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--lime), var(--lime-soft));
}

/* ---------- 12. Footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 112px);
  background: var(--deep);
  border-top: 1px solid var(--line);
}
.site-footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lime) 0 16%, var(--orange) 16% 21%, transparent 21%);
}
.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(36px, 5vw, 68px) var(--gutter) 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr .9fr .9fr 1.3fr;
  gap: clamp(24px, 4vw, 56px);
}

.footer-brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
  background: var(--lime);
  color: #08120B;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  clip-path: polygon(0 0, 100% 0, 100% 68%, 50% 100%, 0 68%);
}
.footer-brand__name {
  font-size: 20px;
  font-weight: 900;
  letter-spacing: .04em;
  color: var(--fog);
}
.footer-brand__desc {
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
  max-width: 22em;
}

.footer-col__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: var(--micro);
  font-weight: 400;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--dim);
}
.footer-col__list li + li { margin-top: 8px; }
.footer-col__link {
  display: inline-block;
  font-size: 14px;
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.footer-col__link:hover { color: var(--lime); border-bottom-color: var(--lime); }

.footer-contact { margin-top: 2px; }
.footer-contact__row {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 10px;
  align-items: start;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(28, 90, 60, .6);
}
.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--dim);
  padding-top: 3px;
}
.footer-contact__val {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  word-break: break-word;
}
.footer-contact__val--num {
  font-family: var(--font-mono);
  color: var(--lime-soft);
  letter-spacing: .05em;
}
.footer-note {
  margin-top: 14px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--dim);
  max-width: 30em;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: clamp(30px, 4vw, 52px);
  padding: 18px 0 30px;
  border-top: 1px solid rgba(28, 90, 60, .7);
  font-family: var(--font-mono);
  font-size: var(--micro);
  letter-spacing: .1em;
  color: var(--dim);
}
.footer-bottom__legal { margin: 0; color: var(--dim); }
.footer-bottom__meta { margin: 0; color: var(--dim); }

/* ---------- 13. Responsive ---------- */
@media (max-width: 1080px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-col--contact { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding: 6px var(--gutter) 24px;
    background: var(--deep);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(0, 0, 0, .55);
  }
  .site-nav[data-open] { display: flex; }

  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav__list > li + li { border-top: 1px solid rgba(28, 90, 60, .45); }
  .site-nav__link {
    display: block;
    padding: 15px 0;
    font-size: 15px;
    letter-spacing: .12em;
  }
  .site-nav__link::after { display: none; }
  .site-nav__link[aria-current="page"] { color: var(--lime); }
  .site-nav__link[aria-current="page"]::before {
    left: auto;
    right: 4px;
    width: 6px;
    height: 6px;
  }
  .site-nav__cta {
    margin-top: 18px;
    width: 100%;
    padding: 13px 18px;
    font-size: 13px;
  }

  .grid--7-5,
  .grid--8-4,
  .grid--9-3,
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }

  .header-top__note { display: none; }
}

@media (max-width: 680px) {
  .header-top__inner { justify-content: flex-start; }
  .header-top__meta { display: none; }
  .brand__sub { display: none; }
  .header-bar__inner { gap: 12px; padding: 11px var(--gutter); }

  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-col--contact { grid-column: auto; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .media--wide { aspect-ratio: 16 / 10; }
}

@media (max-width: 400px) {
  .nav-toggle__label { display: none; }
}

/* ---------- 14. Motion preferences ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .meter__fill { transition: none; }
  .scroll-meter { display: none; }
}