/* ============================================================
   乐宝体育官网 · 共享样式 /assets/site.css
   夜光体育年鉴：深空蓝夜光底 + 奶油纸面板 + 荧光青数据语汇
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,
*::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, figcaption { margin: 0; }

ul, ol { 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; }

[hidden] { display: none !important; }

/* ---------- 2. Tokens ---------- */
:root {
  --space: #0B1B33;
  --space-2: #12294A;
  --cream: #F4EBDD;
  --paper: #FFF9EF;
  --ink: #211A16;
  --cyan: #3DE1D6;
  --orange: #FF7A1A;
  --magenta: #B23A8A;
  --violet: #5B2A86;
  --mist: #8FB9C6;
  --alert: #D94A3D;

  --ink-soft: rgba(33, 26, 22, 0.72);
  --cream-soft: rgba(244, 235, 221, 0.76);
  --line-dark: rgba(143, 185, 198, 0.28);
  --line-paper: rgba(33, 26, 22, 0.16);
  --cyan-veil: rgba(61, 225, 214, 0.10);

  --shell: min(1240px, calc(100% - 40px));
  --r-s: 2px;
  --r-m: 6px;

  --font-display: "Barlow Condensed", "Oswald", "Source Han Sans CN",
    "PingFang SC", "Noto Sans SC", sans-serif;
  --font-editorial: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

/* ---------- 3. Base ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--cream);
  background-color: var(--space);
  background-image:
    radial-gradient(900px 520px at 82% -160px, rgba(178, 58, 138, 0.30), transparent 70%),
    radial-gradient(760px 460px at 6% -100px, rgba(61, 225, 214, 0.16), transparent 72%),
    radial-gradient(700px 400px at 50% 108%, rgba(91, 42, 134, 0.26), transparent 68%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: 0.02em;
}

h1 { font-size: clamp(34px, 5vw, 56px); }
h2 { font-size: clamp(26px, 3.2vw, 34px); }
h3 { font-size: clamp(19px, 2vw, 23px); }
h4 { font-size: 17px; }

p { text-wrap: pretty; }

:where(a, button, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: var(--r-s);
}

#main-content {
  display: block;
  scroll-margin-top: 168px;
}

/* ---------- 4. Layout utilities ---------- */
.container {
  width: var(--shell);
  margin-inline: auto;
}

.section { padding-block: clamp(34px, 6vw, 72px); }

.grid { display: grid; gap: clamp(14px, 2vw, 22px); }

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

.grid--tiles {
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  grid-template-columns: repeat(auto-fit, minmax(232px, 1fr));
}

.paper-panel {
  background: var(--cream);
  color: var(--ink);
  border: 1px solid rgba(33, 26, 22, 0.10);
  border-radius: var(--r-m);
  padding: clamp(20px, 3vw, 34px);
  font-size: 16.5px;
  line-height: 1.75;
}

.paper-panel h2,
.paper-panel h3,
.paper-panel h4 { color: var(--ink); }

.paper-panel a {
  color: #8C2E63;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.paper-panel a:hover { color: var(--ink); }

/* ---------- 5. Text helpers ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 10px;
}

.paper-panel .eyebrow { color: var(--magenta); }

.lede {
  font-size: clamp(16.5px, 1.4vw, 19px);
  line-height: 1.78;
  color: var(--cream-soft);
  max-width: 72ch;
}

.paper-panel .lede { color: var(--ink-soft); }

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

/* ---------- 6. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 22px;
  font-family: var(--font-display);
  font-size: 15.5px;
  letter-spacing: 0.14em;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--r-s);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease,
    transform 0.18s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn--orange {
  background: var(--orange);
  color: #1A0D05;
  font-weight: 600;
}
.btn--orange:hover { background: var(--paper); color: var(--space); }

.btn--cyan {
  background: var(--cyan);
  color: var(--space);
  font-weight: 600;
}
.btn--cyan:hover { background: var(--paper); }

.btn--ghost {
  border-color: var(--line-dark);
  color: var(--cream);
}
.btn--ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.btn--on-paper {
  background: var(--ink);
  color: var(--paper);
}
.btn--on-paper:hover { background: var(--magenta); color: var(--paper); }

/* ---------- 7. Filter chips ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 7px 15px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  color: var(--cream);
  background: rgba(18, 41, 74, 0.72);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

.chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--space);
  font-weight: 600;
}

.chip--paper {
  color: var(--ink);
  background: rgba(255, 249, 239, 0.92);
  border-color: var(--line-paper);
}
.chip--paper:hover { border-color: var(--ink); color: var(--ink); }
.chip--paper[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* ---------- 8. Breadcrumbs ---------- */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

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

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

.breadcrumbs li + li::before {
  content: "/";
  color: rgba(143, 185, 198, 0.5);
}

.breadcrumbs a { color: var(--cream); }
.breadcrumbs a:hover { color: var(--cyan); }
.breadcrumbs [aria-current="page"] { color: var(--cyan); }

.paper-panel .breadcrumbs { color: var(--ink-soft); }
.paper-panel .breadcrumbs a { color: var(--ink); }
.paper-panel .breadcrumbs [aria-current="page"] { color: var(--magenta); }

/* ---------- 9. Figure / media ---------- */
.figure {
  display: grid;
  gap: 10px;
  margin: 0;
}

.figure__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-m);
  background-color: var(--space-2);
  background-image:
    linear-gradient(135deg, rgba(61, 225, 214, 0.20) 0%, rgba(178, 58, 138, 0.28) 52%, rgba(11, 27, 51, 0.92) 100%);
}

.figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(244, 235, 221, 0.24) 1px, transparent 1px);
  background-size: 15px 15px;
  opacity: 0.45;
}

.figure__media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure--wide .figure__media { aspect-ratio: 21 / 9; }
.figure--tall .figure__media { aspect-ratio: 3 / 4; }
.figure--square .figure__media { aspect-ratio: 1 / 1; }

.figure__caption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.paper-panel .figure__caption { color: var(--ink-soft); }
.paper-panel .figure__media { border-color: var(--line-paper); }

/* ---------- 10. Reveal (JS 协议) ---------- */
.reveal-ready {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* ---------- 11. Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--space);
  border-bottom: 1px solid var(--line-dark);
  box-shadow: 0 18px 34px -26px rgba(0, 0, 0, 0.95);
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -72px;
  z-index: 99;
  display: inline-block;
  padding: 10px 20px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--space);
  background: var(--cyan);
  border-radius: var(--r-s);
  transition: top 0.2s ease;
}

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

.header-rail {
  background-color: var(--space-2);
  background-image: linear-gradient(90deg, rgba(178, 58, 138, 0.42), rgba(11, 27, 51, 0) 58%);
  border-bottom: 1px solid var(--line-dark);
}

.header-rail__inner {
  width: var(--shell);
  margin-inline: auto;
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.live-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 0 rgba(61, 225, 214, 0.65);
  animation: lb-pulse 2s ease-out infinite;
}

@keyframes lb-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(61, 225, 214, 0.55); }
  70%  { box-shadow: 0 0 0 9px rgba(61, 225, 214, 0); }
  100% { box-shadow: 0 0 0 0 rgba(61, 225, 214, 0); }
}

.rail-text { color: var(--cyan); white-space: nowrap; }

.rail-text--muted {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--mist);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.rail-sep {
  flex: none;
  width: 1px;
  height: 12px;
  background: var(--line-dark);
}

.rail-link {
  margin-left: auto;
  flex: none;
  color: var(--cream);
  border-bottom: 1px solid var(--orange);
  padding-bottom: 1px;
  transition: color 0.18s ease;
}

.rail-link:hover { color: var(--orange); }

.masthead {
  width: var(--shell);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  padding: 16px 0 14px;
}

.masthead__brand {
  grid-column: 2;
  text-align: center;
}

.masthead__kicker {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.40em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 6px;
}

.masthead__logo {
  display: inline-block;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.1;
  letter-spacing: 0.18em;
  text-indent: 0.18em;
  color: var(--paper);
  transition: color 0.18s ease;
}

.masthead__logo:hover { color: var(--cyan); }

.masthead__sub {
  margin-top: 7px;
  font-size: 12px;
  letter-spacing: 0.26em;
  color: var(--mist);
}

.masthead__quick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 22px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.16em;
  color: var(--space);
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  transition: background-color 0.18s ease, transform 0.18s ease;
}

.masthead__quick:hover { background: var(--paper); transform: translateY(-1px); }

.masthead__quick--left {
  justify-self: start;
  background: var(--cyan);
}

.masthead__quick--right {
  justify-self: end;
  background: var(--orange);
}

.main-nav {
  position: relative;
  background: var(--space-2);
  border-top: 1px solid var(--line-dark);
}

.main-nav__inner {
  position: relative;
  width: var(--shell);
  margin-inline: auto;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px;
}

.nav-list a {
  display: inline-block;
  padding: 9px 14px;
  font-size: 14.5px;
  letter-spacing: 0.12em;
  color: var(--cream);
  border-radius: var(--r-s);
  border: 1px solid transparent;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.nav-list a:hover {
  color: var(--cyan);
  background: var(--cyan-veil);
  border-color: rgba(61, 225, 214, 0.35);
}

.nav-list a[aria-current="page"] {
  color: var(--space);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.nav-cta {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 14.5px;
  letter-spacing: 0.14em;
  color: #1A0D05;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.nav-cta:hover { background: var(--paper); color: var(--space); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 13px;
  border: 1px solid var(--line-dark);
  border-radius: var(--r-s);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 18px;
  height: 12px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--cyan);
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.main-nav[data-open] .nav-toggle__bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.main-nav[data-open] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.main-nav[data-open] .nav-toggle__bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.scroll-meter {
  height: 2px;
  background: rgba(143, 185, 198, 0.16);
  overflow: hidden;
}

.scroll-meter__bar {
  display: block;
  height: 100%;
  width: 0;
  background-image: linear-gradient(90deg, var(--cyan) 0%, var(--orange) 62%, var(--magenta) 100%);
  transition: width 0.1s linear;
}

/* ---------- 12. Footer ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 7vw, 96px);
  color: var(--cream);
  background-color: #081428;
  background-image:
    radial-gradient(620px 300px at 88% 0%, rgba(178, 58, 138, 0.22), transparent 70%),
    linear-gradient(180deg, var(--space) 0%, #081428 100%);
  border-top: 1px solid var(--line-dark);
  overflow: hidden;
}

.footer-slant {
  height: 30px;
  background-image: linear-gradient(90deg, var(--magenta) 0%, var(--violet) 48%, rgba(11, 27, 51, 0) 92%);
  clip-path: polygon(0 0, 100% 0, 100% 26%, 0 100%);
  opacity: 0.6;
}

.footer-inner {
  width: var(--shell);
  margin-inline: auto;
  padding: clamp(30px, 5vw, 58px) 0 26px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 2.2fr;
  gap: clamp(24px, 4vw, 64px);
  align-items: start;
}

.footer-brand__kicker {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--mist);
  margin-bottom: 8px;
}

.footer-brand__logo {
  display: inline-block;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: 26px;
  letter-spacing: 0.20em;
  color: var(--paper);
  transition: color 0.18s ease;
}

.footer-brand__logo:hover { color: var(--cyan); }

.footer-brand__note {
  margin-top: 10px;
  font-size: 13.5px;
  letter-spacing: 0.08em;
  color: rgba(244, 235, 221, 0.66);
}

.footer-brand__cta { margin-top: 18px; }

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: clamp(18px, 3vw, 30px);
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
  padding-bottom: 9px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line-dark);
}

.footer-links li + li { margin-top: 9px; }

.footer-links a {
  font-size: 14.5px;
  letter-spacing: 0.03em;
  color: rgba(244, 235, 221, 0.82);
  transition: color 0.18s ease;
}

.footer-links a:hover { color: var(--orange); }

.footer-contact {
  margin-top: clamp(26px, 4vw, 44px);
  padding: 16px 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 28px;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
}

.footer-contact__line {
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: rgba(244, 235, 221, 0.78);
  word-break: break-word;
}

.footer-legal {
  padding-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
}

.footer-legal__copy {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(244, 235, 221, 0.62);
}

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 13px;
  color: rgba(244, 235, 221, 0.72);
}

.footer-legal__links a { transition: color 0.18s ease; }
.footer-legal__links a:hover { color: var(--cyan); }

/* ---------- 13. Tablet ---------- */
@media (max-width: 1024px) {
  .footer-top { grid-template-columns: 1fr; }
  .masthead__quick { padding: 8px 18px; font-size: 14px; }
}

/* ---------- 14. Mobile nav & header ---------- */
@media (max-width: 899px) {
  :root { --shell: calc(100% - 28px); }

  #main-content { scroll-margin-top: 150px; }

  .masthead {
    grid-template-columns: 1fr;
    padding: 14px 0 12px;
    gap: 0;
  }

  .masthead__brand { grid-column: 1; }

  .masthead__quick { display: none; }

  .masthead__logo { font-size: clamp(24px, 6vw, 30px); }

  .masthead__sub { margin-top: 5px; font-size: 11px; letter-spacing: 0.2em; }

  .main-nav__inner {
    min-height: 0;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 8px 0;
    gap: 8px 12px;
  }

  .nav-toggle { display: inline-flex; order: 1; }

  .nav-cta {
    position: static;
    transform: none;
    order: 2;
    padding: 8px 16px;
    font-size: 13.5px;
  }

  .nav-list {
    order: 3;
    flex-basis: 100%;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-bottom: 6px;
  }

  .main-nav[data-open] .nav-list { display: flex; }

  .nav-list li { border-bottom: 1px solid rgba(143, 185, 198, 0.14); }
  .nav-list li:last-child { border-bottom: 0; }

  .nav-list a {
    display: block;
    padding: 13px 4px;
    font-size: 15px;
    letter-spacing: 0.08em;
    border: 0;
    border-radius: 0;
  }

  .nav-list a[aria-current="page"] {
    background: transparent;
    color: var(--cyan);
    border-left: 2px solid var(--cyan);
    padding-left: 12px;
  }

  .rail-text--muted,
  .rail-sep { display: none; }

  .header-rail__inner { min-height: 32px; font-size: 11px; letter-spacing: 0.10em; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }

  .masthead__kicker { font-size: 9.5px; letter-spacing: 0.28em; }

  .footer-inner { padding-top: 26px; }
  .footer-contact { gap: 6px 18px; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
  .btn { padding: 10px 18px; font-size: 14.5px; }
}

/* ---------- 15. Reduced motion ---------- */
@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;
  }

  .live-dot { animation: none; box-shadow: 0 0 0 4px rgba(61, 225, 214, 0.18); }

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

  .btn:hover,
  .masthead__quick:hover { transform: none; }
}