/* ==========================================================================
   必一赛场 · 共享样式表 /assets/site.css
   夜场赛场控制室：暗底网格 + 荧光色标 + 粗野主义描边
   ========================================================================== */

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

* { margin: 0; padding: 0; }

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

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

button, input, select, textarea { font: inherit; color: inherit; }

button { background: none; border: 0; }

ul, ol { list-style: none; }

a { color: inherit; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink-900: #070B0A;
  --ink-800: #05231C;
  --ink-700: #0B3A2E;
  --grid: #2A3A35;
  --neon: #38F08C;
  --neon-soft: #A9FFD3;
  --orange: #FF7A2F;
  --blue: #3FA9FF;
  --wine: #7A1F3D;
  --indigo: #3B2A6B;
  --amber: #FFC24B;
  --paper: #EAF0EC;
  --white: #F2F6F4;

  --text-dim: rgba(242, 246, 244, 0.62);
  --text-mid: rgba(242, 246, 244, 0.82);

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

  --shell: 1240px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --edge: 2px;
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--white);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(42, 58, 53, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 58, 53, 0.42) 1px, transparent 1px);
  background-size: 76px 76px;
  -webkit-font-smoothing: antialiased;
}

main { display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: 0.03em;
}

h1 { font-size: clamp(32px, 6vw, 72px); letter-spacing: 0.045em; }
h2 { font-size: clamp(24px, 3.4vw, 40px); }
h3 { font-size: clamp(19px, 2.2vw, 26px); }
h4 { font-size: 17px; }

p { max-width: 46em; }

::selection {
  background: var(--neon);
  color: #04241C;
}

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

/* ---------- 4. 布局工具 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 40px);
}

.shell--narrow { max-width: 78ch; }

.section { padding-block: clamp(56px, 7vw, 96px); }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 32px;
  padding-bottom: 18px;
  margin-bottom: 36px;
  border-bottom: var(--edge) solid var(--grid);
}

.section__title { max-width: 22ch; }

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 10px;
}

.lede {
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-mid);
  max-width: 40em;
}

.num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 24px;
  border: var(--edge) solid transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.2s var(--ease),
    box-shadow 0.2s var(--ease),
    background-color 0.2s var(--ease),
    border-color 0.2s var(--ease),
    color 0.2s var(--ease);
}

.btn--accent {
  background: var(--neon);
  color: #04241C;
  box-shadow: 5px 5px 0 rgba(56, 240, 140, 0.22);
}

.btn--accent:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(56, 240, 140, 0.3);
}

.btn--ghost {
  background: transparent;
  border-color: var(--grid);
  color: var(--white);
}

.btn--ghost:hover {
  border-color: var(--neon);
  color: var(--neon);
  transform: translate(-2px, -2px);
}

.btn--sm {
  min-height: 40px;
  padding: 9px 16px;
  font-size: 13px;
  box-shadow: 3px 3px 0 rgba(56, 240, 140, 0.2);
}

.btn--accent.btn--sm:hover { box-shadow: 5px 5px 0 rgba(56, 240, 140, 0.28); }

/* ---------- 6. 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -90px;
  z-index: 300;
  padding: 12px 20px;
  background: var(--neon);
  color: #04241C;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: top 0.2s var(--ease);
}

.skip-link:focus { top: 14px; }

/* ---------- 7. 头部 ---------- */
.site-header {
  position: relative;
  z-index: 90;
  isolation: isolate;
}

/* 7.1 品牌说明层 */
.utility-bar {
  background: var(--ink-900);
  border-bottom: 1px solid rgba(42, 58, 53, 0.8);
  overflow: hidden;
  max-height: 120px;
  transition: max-height 0.3s var(--ease);
}

.utility-bar__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 62px;
  padding-block: 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand__mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--neon);
  color: #04241C;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.04em;
  box-shadow: 4px 4px 0 rgba(56, 240, 140, 0.24);
}

.brand__text { display: block; min-width: 0; }

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.08em;
  color: var(--white);
}

.brand__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.utility-bar__side {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
}

.utility-bar__contact {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  white-space: nowrap;
}

/* 7.2 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  min-height: 44px;
  padding: 8px 14px;
  border: var(--edge) solid var(--grid);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
}

.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  background: var(--neon);
  transition: transform 0.24s var(--ease), opacity 0.24s var(--ease);
}

.nav-toggle__label { color: var(--text-mid); }

.site-header[data-open] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 7.3 主导航层 */
.main-bar {
  position: sticky;
  top: 0;
  z-index: 90;
  background: linear-gradient(180deg, rgba(5, 35, 28, 0.98), rgba(5, 35, 28, 0.94));
  border-bottom: var(--edge) solid var(--grid);
  backdrop-filter: blur(8px);
}

.main-bar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 58px;
}

.primary-nav { min-width: 0; }

.primary-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.primary-nav__link {
  position: relative;
  display: block;
  padding: 18px 13px;
  color: var(--text-mid);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.primary-nav__link::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 12px;
  height: 3px;
  background: var(--neon);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--ease);
}

.primary-nav__link:hover,
.primary-nav__link:focus-visible { color: var(--white); }

.primary-nav__link:hover::after { transform: scaleX(1); }

.primary-nav__link[aria-current="page"] { color: var(--neon); }

.primary-nav__link[aria-current="page"]::after { transform: scaleX(1); }

/* 7.4 联赛色标轨道 */
.league-rail {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.league-rail__title {
  flex: none;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.league-rail__list {
  display: flex;
  align-items: center;
  gap: 6px;
}

.league-rail--header { flex: 1 1 auto; min-width: 0; }

.league-rail--header .league-rail__list {
  flex-wrap: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
  padding-block: 6px;
}

.league-rail--header .league-rail__list::-webkit-scrollbar { display: none; }

.league-chip {
  --chip: var(--neon);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 30px;
  padding: 5px 11px;
  border: 1px solid rgba(42, 58, 53, 0.95);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.league-chip::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  background: var(--chip);
}

.league-chip:hover {
  border-color: var(--chip);
  color: var(--white);
}

.league-chip[aria-pressed="true"] {
  border-color: var(--chip);
  background: rgba(56, 240, 140, 0.08);
  color: var(--white);
}

.league-chip[data-league="csl"] { --chip: #38F08C; }
.league-chip[data-league="cfl"] { --chip: #A9FFD3; }
.league-chip[data-league="fac"] { --chip: #FFC24B; }
.league-chip[data-league="acl"] { --chip: #3FA9FF; }
.league-chip[data-league="wsl"] { --chip: #FF7A2F; }
.league-chip[data-league="cba"] { --chip: #E86A8B; }
.league-chip[data-league="wcba"] { --chip: #C77DFF; }
.league-chip[data-league="nbl"] { --chip: #4ADEDE; }
.league-chip[data-league="cva"] { --chip: #7A9EFF; }
.league-chip[data-league="cyl"] { --chip: #B4D34E; }
.league-chip[data-league="u21"] { --chip: #FF9F7A; }
.league-chip[data-league="nat"] { --chip: #E0C36B; }

/* ---------- 8. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 8vw, 120px);
  background: var(--ink-800);
  border-top: 4px solid var(--neon);
  color: var(--text-mid);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 12%;
  width: 22%;
  height: 4px;
  background: var(--orange);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.15fr 1.4fr;
  gap: 36px 40px;
  padding-block: clamp(44px, 5vw, 68px) 40px;
}

.footer-block { min-width: 0; }

.footer-block__title {
  padding-bottom: 10px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon);
}

.footer-block__text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-mid);
  margin-bottom: 12px;
}

.footer-block__text--muted {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: 0;
}

.footer-block__domain {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--neon-soft);
  margin-bottom: 12px;
  word-break: break-all;
}

.footer-nav {
  display: grid;
  gap: 2px;
}

.footer-nav__item {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: var(--text-mid);
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.footer-nav__item:hover,
.footer-nav__item:focus-visible {
  color: var(--neon);
  padding-left: 6px;
}

.footer-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.footer-contact {
  display: grid;
  gap: 12px;
}

.footer-contact__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 10px;
  align-items: start;
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  text-transform: uppercase;
  padding-top: 3px;
}

.footer-contact__value {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-mid);
  word-break: break-word;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding-block: 20px 30px;
  border-top: 1px solid var(--grid);
}

.footer-base__copy {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  max-width: none;
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.legal-links__item {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.legal-links__item:hover,
.legal-links__item:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 9. 通用组件 ---------- */
.card {
  position: relative;
  padding: 26px 24px 28px;
  background: var(--ink-800);
  border: var(--edge) solid var(--grid);
  box-shadow: 8px 8px 0 rgba(7, 11, 10, 0.75);
}

.card__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--white);
  margin-bottom: 10px;
}

.tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 1px solid currentColor;
  color: var(--neon-soft);
}

.tag--orange { color: var(--orange); }
.tag--blue { color: var(--blue); }

.stat { display: grid; gap: 4px; }

.stat__value {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-block: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.breadcrumb__link {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.breadcrumb__link:hover,
.breadcrumb__link:focus-visible { color: var(--neon); }

.breadcrumb__link::after {
  content: "/";
  margin-left: 8px;
  color: var(--grid);
}

.breadcrumb__current { color: var(--white); }

.prose {
  background: var(--paper);
  color: var(--ink-800);
  padding: clamp(28px, 4vw, 56px);
  border-left: 6px solid var(--neon);
}

.prose h2,
.prose h3 {
  color: var(--ink-800);
  margin-block: 32px 12px;
}

.prose h2:first-child,
.prose h3:first-child { margin-top: 0; }

.prose p {
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 16px;
  max-width: 44em;
}

.prose a {
  color: var(--ink-700);
  text-decoration: underline;
  text-decoration-color: var(--blue);
  text-underline-offset: 3px;
}

.prose ul,
.prose ol {
  list-style: disc;
  padding-left: 22px;
  margin-bottom: 16px;
}

.prose ol { list-style: decimal; }

.prose li { margin-bottom: 8px; font-size: 16px; line-height: 1.85; }

/* 图片容器（页面阶段把 <img> 放进 .figure__img 即可） */
.figure { margin: 0; }

.figure__img {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: var(--edge) solid var(--grid);
  background-color: var(--ink-700);
  background-image:
    linear-gradient(135deg, rgba(56, 240, 140, 0.16), rgba(63, 169, 255, 0.1)),
    repeating-linear-gradient(90deg, rgba(42, 58, 53, 0.55) 0 1px, transparent 1px 44px);
}

.figure__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ease);
}

.figure__img--wide { aspect-ratio: 21 / 9; }
.figure__img--square { aspect-ratio: 1 / 1; }

.figure__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

/* ---------- 10. 动效 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.42s var(--ease),
    transform 0.42s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@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;
    transition-delay: 0ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .btn--accent:hover,
  .btn--ghost:hover { transform: none; }
}

/* ---------- 11. 响应式 ---------- */
@media (min-width: 901px) {
  .site-header[data-compact] .utility-bar {
    max-height: 0;
    border-bottom-color: transparent;
  }
}

@media (max-width: 1100px) {
  .utility-bar__contact { display: none; }
  .primary-nav__link { padding-inline: 10px; font-size: 14px; }
  .primary-nav__link::after { left: 10px; right: 10px; }
}

@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

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

  .utility-bar__side { display: none; }

  .brand__tag { display: none; }

  .main-bar {
    visibility: hidden;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.36s var(--ease), visibility 0.36s var(--ease);
  }

  .site-header[data-open] .main-bar {
    visibility: visible;
    max-height: calc(100vh - 62px);
    max-height: calc(100dvh - 62px);
    overflow-y: auto;
  }

  .main-bar__inner {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-block: 8px 20px;
  }

  .primary-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .primary-nav__link {
    padding: 16px 14px;
    font-size: 16px;
    border-bottom: 1px solid var(--grid);
  }

  .primary-nav__link::after { display: none; }

  .primary-nav__link[aria-current="page"] {
    box-shadow: inset 3px 0 0 var(--neon);
    background: rgba(56, 240, 140, 0.07);
  }

  .league-rail--header {
    display: block;
    margin-top: 18px;
  }

  .league-rail--header .league-rail__title {
    display: block;
    margin-bottom: 10px;
  }

  .league-rail--header .league-rail__list {
    flex-wrap: wrap;
    overflow: visible;
    padding-block: 0;
  }

  .league-chip {
    min-height: 44px;
    padding: 8px 13px;
    font-size: 13px;
  }

  .section__head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 680px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }
  .footer-base { flex-direction: column; align-items: flex-start; }
  .footer-contact__item { grid-template-columns: 52px 1fr; }
}

@media (max-width: 420px) {
  .utility-bar__inner { gap: 12px; }
  .brand__name { font-size: 17px; }
  .btn--sm { padding: 8px 12px; font-size: 12px; }
}