/* ==========================================================================
   球王会赛场 — 共享站点样式 /assets/site.css
   深墨绿基底 · 荧光青柠行动色 · 暖橙即时高亮
   ========================================================================== */

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

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

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.72;
  letter-spacing: .01em;
  -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, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }
hr { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* ---------- 2. 变量 ---------- */
:root {
  --bg: #041C16;
  --panel: #0A2F26;
  --line: #1B4D3F;
  --lime: #C7FF3E;
  --lime-dark: #8FCC1F;
  --amber: #FF8A3D;
  --ink: #F3F8F1;
  --muted: #9DB7AC;
  --shadow: #02110E;
  --card-light: #E8F5E9;

  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", sans-serif;
  --font-num: "JetBrains Mono", "Roboto Mono", "IBM Plex Mono", monospace;
  --font-label: "Barlow", "Noto Sans SC", sans-serif;

  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;
  --r-xl: 38px;
  --r-pill: 999px;

  --gap: clamp(14px, 2vw, 24px);
  --pad-x: clamp(16px, 4vw, 40px);
  --header-pad: clamp(10px, 2vw, 22px);
}

/* ---------- 3. 中文排版基础 ---------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.005em;
  color: var(--ink);
}
h1 { font-size: clamp(38px, 6vw, 82px); }
h2 { font-size: clamp(28px, 3.6vw, 50px); }
h3 { font-size: clamp(21px, 2.4vw, 30px); }
h4, h5, h6 {
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.35;
}

::selection { background: var(--lime); color: #041C16; }

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- 4. 布局工具 ---------- */
.container {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: var(--pad-x);
}
.container--wide { max-width: 1480px; }
.container--narrow { max-width: 880px; }

.section { padding-block: clamp(40px, 6vw, 88px); }
.section--tight { padding-block: clamp(26px, 4vw, 52px); }

.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
}
.grid--tight { gap: clamp(10px, 1.4vw, 16px); }

.track {
  display: flex;
  gap: var(--gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 14px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.track > * { flex: 0 0 auto; scroll-snap-align: start; }
.track::-webkit-scrollbar { height: 6px; }
.track::-webkit-scrollbar-track { background: rgba(27, 77, 63, .35); border-radius: 6px; }
.track::-webkit-scrollbar-thumb { background: var(--line); border-radius: 6px; }

/* ---------- 5. 标签与卡片 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(10, 47, 38, .72);
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
  line-height: 1.4;
}
.tag::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 10px rgba(199, 255, 62, .9);
  flex: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--lime-dark);
}
.eyebrow::before {
  content: "";
  width: 26px; height: 1px;
  background: currentColor;
  opacity: .75;
  flex: none;
}

.surface {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(18px, 2.4vw, 28px);
}
.surface--flat { background: rgba(10, 47, 38, .55); }
.surface--light { background: var(--card-light); color: #041C16; border-color: #cfe4d4; }

.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: 14px 26px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.2;
  text-align: center;
  cursor: pointer;
  transition: transform .22s ease, background-color .22s ease,
              border-color .22s ease, color .22s ease, box-shadow .22s ease;
}
.btn--primary {
  background: var(--lime);
  color: #041C16;
  box-shadow: 0 14px 32px -20px rgba(199, 255, 62, .95);
}
.btn--primary:hover { background: #d7ff6d; transform: translateY(-2px); }
.btn--primary:active { transform: translateY(0); }
.btn--ghost {
  background: rgba(199, 255, 62, .06);
  border-color: var(--line);
  color: var(--ink);
}
.btn--ghost:hover { border-color: var(--lime-dark); color: var(--lime); transform: translateY(-2px); }
.btn--amber { background: var(--amber); color: #1A0C03; }
.btn--amber:hover { background: #ff9d5c; transform: translateY(-2px); }
.btn--sm { padding: 10px 18px; font-size: 13px; }
.btn--lg { padding: 16px 32px; font-size: 16px; }
.btn--block { width: 100%; }

/* ---------- 7. 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}
.breadcrumb a { color: var(--muted); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--lime); }
.breadcrumb [aria-current="page"] { color: var(--ink); }
.breadcrumb__sep { color: var(--line); }

/* ---------- 8. 图片容器基座 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 130% at 10% 4%, rgba(199, 255, 62, .18), rgba(199, 255, 62, 0) 58%),
    radial-gradient(95% 95% at 88% 94%, rgba(255, 138, 61, .16), rgba(255, 138, 61, 0) 62%),
    linear-gradient(155deg, #0A2F26 0%, #041C16 100%);
}
.media img,
.media svg,
.media video { width: 100%; height: 100%; object-fit: cover; }
.media--square { aspect-ratio: 1 / 1; }
.media--wide { aspect-ratio: 16 / 9; }
.media--hero { aspect-ratio: 5 / 4; }
.media--tall { aspect-ratio: 3 / 4; }
.media--banner { aspect-ratio: 21 / 9; }
.media__caption {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  padding: 16px 18px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink);
  background: linear-gradient(0deg, rgba(2, 17, 14, .92), rgba(2, 17, 14, 0));
}

/* ---------- 9. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 50%;
  top: -90px;
  transform: translateX(-50%);
  z-index: 300;
  padding: 11px 24px;
  border-radius: var(--r-pill);
  background: var(--lime);
  color: #041C16;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  transition: top .2s ease;
}
.skip-link:focus,
.skip-link:focus-visible { top: 14px; }

/* ---------- 10. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  padding: var(--header-pad) var(--header-pad) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 16px);
  width: 100%;
  max-width: 1480px;
  margin-inline: auto;
}

/* 品牌浮岛 */
.brand-island {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  padding: 9px 22px 9px 11px;
  border-radius: var(--r-pill);
  background: rgba(10, 47, 38, .92);
  border: 1px solid var(--line);
  color: var(--ink);
  box-shadow: 0 16px 34px -26px #000;
  transition: transform .25s ease, border-color .25s ease, background-color .25s ease;
}
.brand-island:hover {
  transform: translateY(-2px);
  border-color: var(--lime-dark);
  background: rgba(10, 47, 38, 1);
}

.brand-glyph {
  position: relative;
  display: block;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 13px;
  background: linear-gradient(150deg, var(--lime) 0%, var(--lime-dark) 100%);
  box-shadow: 0 8px 20px -10px rgba(199, 255, 62, .9);
  overflow: hidden;
}
.brand-glyph::before,
.brand-glyph::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 3px;
  height: 17px;
  border-radius: 2px;
  background: #041C16;
}
.brand-glyph::before { transform: translate(-50%, -50%) rotate(18deg) translateX(-5px); }
.brand-glyph::after { transform: translate(-50%, -50%) rotate(18deg) translateX(5px); }
.brand-glyph--sm { width: 30px; height: 30px; border-radius: 11px; }

.brand-copy { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ink);
}
.brand-sub {
  display: block;
  margin-top: 2px;
  font-family: var(--font-label);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lime);
}

/* 导航浮岛 */
.nav-island {
  position: relative;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-inline-start: auto;
  padding: 6px;
  border-radius: var(--r-pill);
  background: rgba(10, 47, 38, .92);
  border: 1px solid var(--line);
  box-shadow: 0 16px 40px -30px #000;
}

.nav-island__progress {
  position: absolute;
  left: 26px;
  right: 26px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--lime), var(--amber));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .18s linear;
  pointer-events: none;
  opacity: .9;
}

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

.site-nav__link {
  display: inline-block;
  padding: 9px 14px;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .02em;
  white-space: nowrap;
  color: var(--muted);
  transition: color .2s ease, background-color .2s ease, transform .2s ease;
}
.site-nav__link:hover {
  color: var(--ink);
  background: rgba(199, 255, 62, .10);
  transform: translateY(-1px);
}
.site-nav__link[aria-current="page"] {
  color: #041C16;
  background: var(--lime);
  font-weight: 700;
  box-shadow: 0 8px 18px -12px var(--lime);
}

.nav-cta { margin-inline-start: 4px; }

/* 移动端开合按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 10px 16px 10px 15px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(199, 255, 62, .34);
  background: rgba(199, 255, 62, .12);
  color: var(--lime);
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  line-height: 1;
  transition: background-color .2s ease, border-color .2s ease;
}
.nav-toggle:hover { background: rgba(199, 255, 62, .2); border-color: var(--lime); }

.nav-toggle__bars { display: grid; gap: 4px; width: 16px; }
.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .25s ease, opacity .2s ease;
}
.site-header[data-open] .nav-toggle__bars span:first-child,
.nav-island[data-open] .nav-toggle__bars span:first-child {
  transform: translateY(3px) rotate(45deg);
}
.site-header[data-open] .nav-toggle__bars span:last-child,
.nav-island[data-open] .nav-toggle__bars span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

/* ---------- 11. 页脚 ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  margin: clamp(44px, 6vw, 92px) clamp(10px, 2vw, 24px) clamp(10px, 2vw, 24px);
  border-radius: clamp(24px, 3.2vw, 44px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #0A2F26 0%, #06241C 46%, #041C16 100%);
  color: var(--muted);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lime), transparent);
  opacity: .55;
}
.site-footer::after {
  content: "";
  position: absolute;
  top: -42%;
  right: -14%;
  width: min(620px, 78%);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(199, 255, 62, .16), rgba(199, 255, 62, 0) 66%);
  pointer-events: none;
}

.footer-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(20px, 4vw, 56px);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.15fr 1.5fr .95fr;
  gap: clamp(26px, 4vw, 60px);
  padding-block: clamp(34px, 4.6vw, 62px) clamp(24px, 3vw, 38px);
}

.footer-brand__mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  transition: opacity .2s ease;
}
.footer-brand__mark:hover { opacity: .85; }
.footer-brand__name {
  font-family: var(--font-display);
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 800;
  letter-spacing: .01em;
}
.footer-brand__line {
  margin-top: 16px;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.footer-brand__line::before {
  content: "";
  display: block;
  width: 46px;
  height: 2px;
  margin-bottom: 14px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--lime), var(--amber));
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 40px);
}
.footer-nav__title {
  margin-bottom: 14px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--lime);
  line-height: 1.4;
}
.footer-nav__list { display: grid; gap: 9px; }
.footer-nav__link {
  display: inline-block;
  font-size: 14px;
  color: var(--muted);
  transition: color .2s ease, transform .2s ease;
}
.footer-nav__link:hover { color: var(--ink); transform: translateX(3px); }

.footer-contact { display: grid; align-content: start; gap: 8px; }
.footer-contact__line {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--muted);
  overflow-wrap: anywhere;
}
.footer-contact__line--num {
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--ink);
}
.footer-contact__note {
  margin-top: 4px;
  font-family: var(--font-label);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--lime-dark);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 26px;
  padding-block: clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
}
.footer-legal__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-inline-end: auto;
}
.footer-legal__links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.footer-legal__link { color: var(--muted); transition: color .2s ease; }
.footer-legal__link:hover { color: var(--lime); }

/* ---------- 12. 可选显现动效 ---------- */
[data-reveal].reveal-ready {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .55s cubic-bezier(.22, .61, .36, 1),
              transform .55s cubic-bezier(.22, .61, .36, 1);
}
[data-reveal].reveal-ready.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 13. 响应式 ---------- */
@media (max-width: 1180px) {
  .site-nav__link { font-size: 13px; padding: 8px 11px; }
  .brand-island { padding: 8px 18px 8px 10px; }
  .nav-island__progress { left: 20px; right: 20px; }
}

@media (max-width: 980px) {
  .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: calc(100% + 12px);
    right: 0;
    width: min(300px, calc(100vw - 32px));
    padding: 12px;
    border-radius: 24px;
    border: 1px solid var(--line);
    background: rgba(6, 36, 28, .98);
    box-shadow: 0 32px 64px -30px #02110E;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px) scale(.97);
    transform-origin: top right;
    transition: opacity .22s ease, transform .22s ease, visibility .22s ease;
  }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 4px; }
  .site-nav__link { display: block; padding: 12px 16px; font-size: 15px; border-radius: 16px; }

  .site-header[data-open] .site-nav,
  .nav-island[data-open] .site-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .footer-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .brand-sub { display: none; }
  .brand-name { font-size: 15px; }
  .brand-island { padding: 8px 16px 8px 9px; gap: 10px; }
  .brand-glyph { width: 32px; height: 32px; border-radius: 11px; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-legal { flex-direction: column; align-items: flex-start; gap: 10px; }
  .footer-legal__meta { margin-inline-end: 0; }
}

@media (max-width: 380px) {
  .nav-toggle__label { display: none; }
  .nav-toggle { padding: 10px 12px; }
}

/* ---------- 14. 无障碍降级 ---------- */
@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].reveal-ready { opacity: 1; transform: none; }
}