/* ==========================================================================
   必发体育 · 共享站点样式 /assets/site.css
   赛后数据分析室：墨绿画布 · 荧光青游标 · 琥珀数据高亮 · 玫红状态灯
   ========================================================================== */

:root {
  --ink: #0B1F1A;
  --ink-2: #10302A;
  --glass: #17453C;
  --cyan: #2BF3C4;
  --cyan-soft: #8DFBE0;
  --amber: #FFB13D;
  --rose: #FF4D7E;
  --paper: #EAF5F1;
  --moss: #93B0A7;
  --line: #1E4B42;
  --shadow: #050E0C;
  --on-accent: #06120F;

  --rail: 280px;
  --max: 1280px;
  --gutter: clamp(16px, 3vw, 40px);

  --font-display: "Arial Narrow", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-num: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --t: 160ms;
  --ease: cubic-bezier(.2, .7, .3, 1);
  --read-progress: 0;
}

/* ---------- 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, figcaption, blockquote, dl, dd {
  margin: 0;
}

ul, ol { padding: 0; }
ul[class], ol[class], .nav-track, .footer-list, .legal-list { list-style: none; }

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

button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; }

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--cyan-soft); }

[id] { scroll-margin-top: 100px; }

::selection { background: var(--cyan); color: var(--on-accent); }

/* ---------- base typography ---------- */
body {
  background-color: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: clamp(16px, .55vw + 14px, 17px);
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.015em;
  text-wrap: balance;
}

p { text-wrap: pretty; }

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

/* ---------- utilities: layout ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.rail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 48px);
}

.section { padding-block: clamp(48px, 7vw, 96px); }
.section--tight { padding-block: clamp(28px, 4vw, 56px); }
.section--alt { background-color: var(--ink-2); }

.rule {
  height: 1px;
  width: 100%;
  background-color: var(--line);
  border: 0;
}

/* ---------- utilities: type ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-num);
  font-size: .68rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background-color: var(--cyan);
}

.display-1 {
  font-size: clamp(2rem, 6.2vw, 4.4rem);
  line-height: .96;
  letter-spacing: -.03em;
  font-stretch: condensed;
}

.display-2 {
  font-size: clamp(1.55rem, 3.4vw, 2.6rem);
  line-height: 1.04;
  letter-spacing: -.02em;
}

.lede {
  max-width: 46ch;
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  line-height: 1.8;
  color: var(--moss);
}

.prose { max-width: 68ch; }
.prose p + p { margin-top: 1.1em; }

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

/* ---------- utilities: buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .72rem 1.15rem;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  background-color: transparent;
  color: var(--cyan);
  font-size: .82rem;
  letter-spacing: .1em;
  line-height: 1.4;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.btn:hover { background-color: var(--cyan); color: var(--on-accent); }

.btn--solid {
  background-color: var(--cyan);
  color: var(--on-accent);
}

.btn--solid:hover {
  background-color: var(--cyan-soft);
  border-color: var(--cyan-soft);
  color: var(--on-accent);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--paper);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  background-color: rgba(43, 243, 196, .08);
  color: var(--cyan);
}

/* ---------- utilities: tags ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  padding: .16rem .55rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-color: rgba(23, 69, 60, .45);
  color: var(--moss);
  font-family: var(--font-num);
  font-size: .68rem;
  letter-spacing: .12em;
  line-height: 1.6;
  white-space: nowrap;
}

.tag--cyan { border-color: rgba(43, 243, 196, .45); color: var(--cyan); }
.tag--amber { border-color: rgba(255, 177, 61, .45); color: var(--amber); }

.tag--rose {
  border-color: var(--rose);
  background-color: var(--rose);
  color: #16040A;
}

/* ---------- utilities: breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--moss);
  list-style: none;
}

.breadcrumb li { display: inline-flex; align-items: center; gap: .45rem; }
.breadcrumb li + li::before { content: "/"; color: var(--line); }
.breadcrumb a { color: var(--moss); text-decoration: none; }
.breadcrumb a:hover { color: var(--cyan); }

/* ---------- utilities: surfaces & media ---------- */
.glass {
  background-color: rgba(23, 69, 60, .55);
  border: 1px solid rgba(141, 251, 224, .16);
  border-radius: 2px;
  box-shadow: inset 0 1px 0 rgba(141, 251, 224, .18);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.media {
  position: relative;
  overflow: hidden;
  width: 100%;
  background-color: var(--ink-2);
  border-radius: 2px;
}

.media > img,
.media > picture > img,
.media > svg {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.86) contrast(1.06) brightness(.94);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(180deg, rgba(5, 14, 12, 0) 55%, rgba(5, 14, 12, .55) 100%);
}

.media--noise::after {
  background-image:
    linear-gradient(180deg, rgba(5, 14, 12, 0) 55%, rgba(5, 14, 12, .55) 100%),
    repeating-linear-gradient(0deg, rgba(5, 14, 12, .18) 0 1px, rgba(5, 14, 12, 0) 1px 3px);
}

.media--wide { aspect-ratio: 16 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media-caption {
  margin-top: .6rem;
  font-size: .72rem;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--moss);
}

/* ---------- utilities: data ---------- */
.stat { display: flex; flex-direction: column; gap: .2rem; }

.stat-value {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1;
  color: var(--amber);
  letter-spacing: -.01em;
}

.stat-label {
  font-size: .68rem;
  letter-spacing: .18em;
  color: var(--moss);
}

.meter {
  position: relative;
  height: 6px;
  width: 100%;
  border-radius: 2px;
  background-color: rgba(30, 75, 66, .9);
  overflow: hidden;
}

.meter-fill {
  display: block;
  height: 100%;
  width: 0;
  background-image: linear-gradient(90deg, var(--cyan), var(--cyan-soft));
  transition: width 420ms var(--ease);
}

.meter-fill--amber { background-image: linear-gradient(90deg, var(--amber), #FFD79B); }

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: .6rem 1rem;
  background-color: var(--cyan);
  color: var(--on-accent);
  font-size: .82rem;
  letter-spacing: .08em;
  border-radius: 2px;
  transform: translateY(-180%);
  transition: transform var(--t) var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); color: var(--on-accent); }

/* ---------- header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background-color: rgba(11, 31, 26, .94);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  backdrop-filter: blur(12px) saturate(120%);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background-image: linear-gradient(90deg, var(--cyan) 0, rgba(43, 243, 196, .35) 16%, rgba(43, 243, 196, 0) 60%);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 100%;
  transform: scaleX(var(--read-progress));
  transform-origin: 0 50%;
  background-image: linear-gradient(90deg, var(--cyan), var(--cyan-soft) 62%, var(--amber));
  transition: transform 90ms linear;
  pointer-events: none;
}

.header-frame {
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  align-items: center;
  column-gap: clamp(16px, 2.5vw, 40px);
  width: 100%;
  max-width: var(--max);
  min-height: 78px;
  margin-inline: auto;
  padding: 14px var(--gutter);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  grid-column: 1;
}

.brand-mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-image: linear-gradient(180deg, rgba(23, 69, 60, .75), rgba(16, 48, 42, .2));
  box-shadow: inset 0 1px 0 rgba(141, 251, 224, .18);
  font-family: var(--font-num);
  font-size: .72rem;
  letter-spacing: .02em;
  color: var(--cyan);
}

.brand-lockup { min-width: 0; }

.brand-name {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.06rem;
  letter-spacing: .06em;
  color: var(--paper);
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.brand-name:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.brand-claim {
  margin-top: 2px;
  font-size: .7rem;
  line-height: 1.5;
  letter-spacing: .04em;
  color: var(--moss);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: .6rem;
  padding: .5rem .7rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-color: rgba(23, 69, 60, .5);
  color: var(--paper);
  font-size: .76rem;
  letter-spacing: .14em;
  cursor: pointer;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease), background-color var(--t) var(--ease);
}

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

.nav-toggle-lines {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
  height: 12px;
}

.nav-toggle-lines i {
  display: block;
  height: 1.5px;
  width: 100%;
  background-color: currentColor;
  transition: transform var(--t) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-lines i:first-child { transform: translateY(2.75px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines i:last-child { transform: translateY(-2.75px) rotate(-45deg); }

.nav-toggle-label { line-height: 1; }

.site-nav {
  grid-column: 2;
  justify-self: end;
  min-width: 0;
}

.nav-track {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-color: rgba(16, 48, 42, .55);
  counter-reset: nav;
  overflow: hidden;
}

.nav-item {
  display: flex;
  counter-increment: nav;
}

.nav-item + .nav-item { border-left: 1px solid var(--line); }

.nav-link {
  display: flex;
  align-items: center;
  gap: .45em;
  padding: .5rem .85rem;
  font-size: .8rem;
  letter-spacing: .06em;
  line-height: 1.4;
  color: var(--moss);
  white-space: nowrap;
  transition: background-color var(--t) var(--ease), color var(--t) var(--ease);
}

.nav-link::before {
  content: counter(nav, decimal-leading-zero);
  font-family: var(--font-num);
  font-size: .6rem;
  letter-spacing: 0;
  color: currentColor;
  opacity: .5;
}

.nav-link:hover {
  background-color: rgba(43, 243, 196, .14);
  color: var(--paper);
}

.nav-link[aria-current="page"] {
  background-color: var(--cyan);
  color: var(--on-accent);
}

.nav-link[aria-current="page"]::before { opacity: .75; }

.nav-link[aria-current="page"]:hover {
  background-color: var(--cyan-soft);
  color: var(--on-accent);
}

/* ---------- footer ---------- */
.site-footer {
  margin-top: clamp(56px, 9vw, 120px);
  background-color: var(--shadow);
  border-top: 1px solid var(--cyan);
  color: var(--moss);
  font-size: .9rem;
}

.footer-frame {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.3fr);
  gap: clamp(28px, 4vw, 56px);
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 72px) var(--gutter) 0;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: .7rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: .08em;
  color: var(--paper);
}

.footer-mark {
  padding: .05rem .35rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-num);
  font-size: .66rem;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--cyan);
}

.footer-intro {
  margin-top: .9rem;
  max-width: 34ch;
  line-height: 1.75;
  color: var(--moss);
}

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

.footer-title {
  margin-bottom: .9rem;
  font-family: var(--font-num);
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.footer-list a,
.legal-list a {
  display: inline-block;
  color: var(--moss);
  line-height: 1.9;
  background-image: linear-gradient(currentColor, currentColor);
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  transition: color var(--t) var(--ease), background-size var(--t) var(--ease);
}

.footer-list a:hover,
.legal-list a:hover {
  color: var(--paper);
  background-size: 100% 1px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem .6rem;
}

.contact-key {
  font-family: var(--font-num);
  font-size: .66rem;
  letter-spacing: .18em;
  color: var(--moss);
}

.contact-value {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: .84rem;
  letter-spacing: .02em;
  color: var(--paper);
  word-break: break-all;
}

.contact-value--text {
  font-family: var(--font-body);
  font-size: .86rem;
  line-height: 1.7;
  word-break: normal;
}

.copy-btn {
  padding: .12rem .5rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-color: transparent;
  color: var(--moss);
  font-size: .68rem;
  letter-spacing: .14em;
  line-height: 1.6;
  cursor: pointer;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.copy-btn:hover {
  border-color: var(--cyan);
  background-color: rgba(43, 243, 196, .08);
  color: var(--cyan);
}

.copy-btn[data-copied="true"] {
  border-color: var(--cyan);
  background-color: var(--cyan);
  color: var(--on-accent);
}

.copy-btn[data-copied="false"] {
  border-color: var(--amber);
  color: var(--amber);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  width: 100%;
  max-width: var(--max);
  margin: clamp(32px, 5vw, 56px) auto 0;
  padding: clamp(20px, 3vw, 32px) var(--gutter) clamp(28px, 4vw, 44px);
  border-top: 1px solid rgba(30, 75, 66, .7);
}

.footer-note {
  max-width: 60ch;
  font-size: .76rem;
  line-height: 1.8;
  color: var(--moss);
}

.legal-list {
  display: flex;
  flex-wrap: wrap;
  gap: .2rem 1.1rem;
}

.legal-list a { font-size: .76rem; letter-spacing: .06em; }

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem .8rem;
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--moss);
}

.footer-meta .num { color: var(--cyan-soft); }

/* ---------- responsive: header / footer ---------- */
@media (min-width: 921px) {
  .rail-grid { grid-template-columns: var(--rail) minmax(0, 1fr); }
}

@media (min-width: 921px) and (max-width: 1180px) {
  .header-frame { grid-template-columns: 200px minmax(0, 1fr); }
  .nav-link { padding: .45rem .6rem; font-size: .74rem; }
  .nav-link::before { display: none; }
}

@media (max-width: 920px) {
  .header-frame {
    grid-template-columns: minmax(0, 1fr) auto;
    row-gap: 0;
    min-height: 64px;
    padding-block: 12px;
  }

  .brand-block { grid-column: 1; grid-row: 1; }

  .nav-toggle {
    display: inline-flex;
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
  }

  .site-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: stretch;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height 200ms var(--ease);
  }

  .site-nav[data-open] {
    max-height: min(72vh, 520px);
    overflow-y: auto;
  }

  .nav-track {
    flex-direction: column;
    margin-top: 12px;
  }

  .nav-item + .nav-item {
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .nav-link {
    padding: .75rem .9rem;
    font-size: .85rem;
  }

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

@media (max-width: 640px) {
  .brand-claim { display: none; }
  .footer-frame { grid-template-columns: minmax(0, 1fr); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .footer-intro { max-width: none; }
}

@media (max-width: 380px) {
  .brand-mark { width: 32px; height: 32px; font-size: .64rem; }
  .brand-name { font-size: .96rem; }
}

/* ---------- motion preference ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    transition-delay: 0ms !important;
  }

  .site-header::after { transition: none; }
}