/* ==========================================================================
   半岛体育 · 共享样式表 /assets/site.css
   夜间球场数据实验室：深墨绿底 + 奶油纸阅读区 + 青柠数据 + 电光橙时效
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --ink-deep: #0C231C;
  --pitch: #14382C;
  --near-black: #07130F;
  --cream: #F3EFE4;
  --paper-grey: #E2DED1;
  --cold: #8C9A93;
  --lime: #C8FF3D;
  --orange: #FF7A1A;
  --rust: #7A3B2E;
  --paper-white: #FFFDF6;
  --ink-soft: #D8E2DA;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-data: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", "Courier New", monospace;

  --maxw: 1320px;
  --gutter: 24px;
  --head-h: 72px;
  --r-lg: 28px;
  --r-md: 18px;
  --r-pill: 999px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 2. 重置与中文排版 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--head-h) + 20px);
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--near-black);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.78;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg, picture, video { display: block; max-width: 100%; }
h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 900; line-height: 1.14; letter-spacing: -.015em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }
button { font: inherit; color: inherit; }
table { border-collapse: collapse; width: 100%; }

.num,
.stat__value,
.site-nav__idx,
.pill,
.data-table .num,
.foot-legal { font-variant-numeric: tabular-nums; }

::selection { background: var(--lime); color: var(--near-black); }

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(7, 19, 15, .55);
  border-radius: 4px;
}

#main-content { scroll-margin-top: calc(var(--head-h) + 16px); }

/* ---------- 3. 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 400;
  transform: translateY(-180%);
  padding: 12px 22px;
  border-radius: var(--r-pill);
  background: var(--lime);
  color: var(--near-black);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform .22s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 4. 站点头部 ---------- */
.site-head {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: rgba(12, 35, 28, .55);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid rgba(140, 154, 147, .2);
  color: var(--ink-soft);
  transition: background-color .4s var(--ease), border-color .4s var(--ease);
}
.site-head.is-scrolled {
  background: var(--ink-deep);
  border-bottom-color: rgba(200, 255, 61, .26);
}

.site-head__inner {
  display: flex;
  align-items: center;
  gap: 18px;
  width: 100%;
  max-width: var(--maxw);
  height: var(--head-h);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--paper-white);
}
.brand__mark {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
  border-radius: 4px;
  background: var(--lime);
  box-shadow: 0 0 14px rgba(200, 255, 61, .7);
}
.brand__name { font-size: 19px; font-weight: 900; letter-spacing: .04em; }
.brand__sub {
  padding-left: 12px;
  margin-left: 2px;
  border-left: 1px solid rgba(140, 154, 147, .4);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cold);
}

/* 主导航 */
.site-nav { margin-left: auto; display: flex; align-items: center; }
.site-nav__list { display: flex; align-items: center; gap: 2px; }
.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  border-radius: var(--r-pill);
  color: var(--ink-soft);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .02em;
  text-decoration: none;
  transition: background-color .22s var(--ease), color .22s var(--ease);
}
.site-nav__link:hover { background: rgba(200, 255, 61, .1); color: var(--paper-white); }
.site-nav__link[aria-current="page"] { color: var(--lime); background: rgba(200, 255, 61, .12); }
.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 3px;
  height: 2px;
  border-radius: 2px;
  background: var(--lime);
}
.site-nav__idx { font-family: var(--font-data); font-size: 10px; letter-spacing: .08em; color: var(--cold); transition: color .22s; }
.site-nav__link:hover .site-nav__idx,
.site-nav__link[aria-current="page"] .site-nav__idx { color: var(--lime); }
.site-nav__label { white-space: nowrap; }
.site-nav__actions { display: none; }

/* 头部右侧 */
.site-head__actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; margin-left: 6px; }
.site-head__alt { letter-spacing: .03em; }
.site-head__cta { letter-spacing: .02em; box-shadow: 0 6px 20px rgba(255, 122, 26, .28); }

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  position: relative;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(243, 239, 228, .3);
  border-radius: var(--r-pill);
  background: rgba(7, 19, 15, .4);
  cursor: pointer;
  transition: border-color .22s var(--ease), background-color .22s var(--ease);
}
.nav-toggle:hover { border-color: var(--lime); }
.nav-toggle__bar {
  position: absolute;
  left: 13px;
  right: 13px;
  height: 2px;
  border-radius: 2px;
  background: var(--paper-white);
  transition: transform .26s var(--ease), opacity .2s var(--ease);
}
.nav-toggle__bar:nth-child(1) { top: 15px; }
.nav-toggle__bar:nth-child(2) { top: 21px; }
.nav-toggle__bar:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 阅读进度 */
.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(140, 154, 147, .16);
  pointer-events: none;
}
.progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: var(--lime);
  box-shadow: 0 0 10px rgba(200, 255, 61, .8);
  transition: width .1s linear;
}

/* ---------- 5. 通用按钮与胶囊 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 21px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .03em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s var(--ease), background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}
.btn--primary { background: var(--orange); color: var(--near-black); }
.btn--primary:hover { background: #FF9040; transform: translateY(-1px); }
.btn--lime { background: var(--lime); color: var(--near-black); }
.btn--lime:hover { background: #D8FF6E; transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--paper-white); border-color: rgba(243, 239, 228, .35); }
.btn--ghost:hover { color: var(--lime); border-color: var(--lime); }
.btn--block { width: 100%; }

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid rgba(140, 154, 147, .4);
  border-radius: var(--r-pill);
  background: rgba(7, 19, 15, .35);
  color: var(--cold);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .1em;
  text-decoration: none;
  transition: border-color .22s var(--ease), color .22s var(--ease);
}
.pill--live { color: var(--lime); border-color: rgba(200, 255, 61, .45); }
.pill--live:hover { border-color: var(--lime); }
.pill__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  animation: pillPulse 2.4s ease-in-out infinite;
}
@keyframes pillPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .32; }
}

.tag-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  background: var(--orange);
  color: var(--near-black);
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  text-decoration: none;
}

/* ---------- 6. 站点页脚 ---------- */
.site-foot {
  position: relative;
  padding: 76px 0 36px;
  color: var(--ink-soft);
  background: radial-gradient(140% 82% at 50% 0%, #164033 0%, var(--ink-deep) 52%, var(--near-black) 100%);
  border-top: 1px solid rgba(200, 255, 61, .22);
  overflow: hidden;
}

.foot-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: 48px;
  align-items: start;
}

.foot-brand { max-width: 26em; }
.foot-brand__name { font-size: 26px; font-weight: 900; letter-spacing: .02em; color: var(--paper-white); }
.foot-brand__line { margin-top: 12px; font-size: 14px; line-height: 1.8; color: var(--cold); }

.foot-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.foot-col__title {
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(140, 154, 147, .24);
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cold);
}
.foot-col__list { display: flex; flex-direction: column; gap: 10px; }
.foot-col__list a {
  font-size: 15px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}
.foot-col__list a:hover { color: var(--lime); padding-left: 6px; }

.foot-contact {
  margin-top: 56px;
  padding-top: 26px;
  border-top: 1px solid rgba(140, 154, 147, .22);
  font-size: 14px;
  color: var(--ink-soft);
  word-break: break-word;
}
.foot-note { margin-top: 10px; max-width: 56em; font-size: 13px; line-height: 1.8; color: var(--cold); }

.foot-meter {
  position: relative;
  height: 52px;
  margin-top: 34px;
  border-bottom: 1px solid rgba(140, 154, 147, .3);
}
.foot-meter::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 16px;
  background: repeating-linear-gradient(90deg, rgba(200, 255, 61, .42) 0 1px, transparent 1px 56px);
}
.foot-meter::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 96px;
  height: 44px;
  transform: translateX(-50%);
  border: 1px solid rgba(140, 154, 147, .3);
  border-bottom: none;
  border-radius: 96px 96px 0 0;
}

.foot-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid rgba(140, 154, 147, .18);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cold);
}
.foot-legal p { margin: 0; }

/* ---------- 7. 栅格与容器 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.container--narrow { max-width: 840px; }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gutter);
}

/* ---------- 8. 分区节奏 ---------- */
.section { position: relative; padding: 92px 0; }
.section--tight { padding: 44px 0; }
.section--paper { background: var(--cream); color: var(--near-black); }
.section--dark { background: var(--ink-deep); color: var(--ink-soft); }
.section--dark .prose a { color: var(--lime); }
.section--dark .prose li::before { background: var(--orange); }
.section--dark .prose blockquote { background: rgba(200, 255, 61, .07); border-left-color: var(--orange); color: var(--ink-soft); }

.section-num {
  display: inline-block;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--rust);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--rust);
}
.section--dark .section-num { color: var(--orange); border-bottom-color: var(--orange); }

/* ---------- 9. 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cold);
}
.breadcrumbs a { color: var(--cold); text-decoration: none; transition: color .2s var(--ease); }
.breadcrumbs a:hover { color: var(--lime); }
.breadcrumbs__sep { opacity: .5; }
.breadcrumbs [aria-current="page"] { color: currentColor; opacity: .95; }

/* ---------- 10. 正文容器 ---------- */
.prose { max-width: 38em; font-size: 17px; line-height: 1.85; }
.prose p { margin: 0 0 1.1em; }
.prose p:last-child { margin-bottom: 0; }
.prose h2 { margin: 1.8em 0 .7em; font-size: 26px; }
.prose h3 { margin: 1.5em 0 .6em; font-size: 20px; }
.prose ul,
.prose ol { display: flex; flex-direction: column; gap: .5em; margin: 0 0 1.2em; }
.prose li { position: relative; padding-left: 1.2em; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 2px;
  background: var(--rust);
}
.prose a {
  color: var(--rust);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.prose a:hover { color: var(--orange); }
.prose strong { font-weight: 800; }
.prose blockquote {
  margin: 1.6em 0;
  padding: 18px 22px;
  border-left: 3px solid var(--rust);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(122, 59, 46, .07);
  color: #3B2B24;
}

/* ---------- 11. 数据组件 ---------- */
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__label {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cold);
}
.stat__value {
  font-family: var(--font-data);
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.02em;
  color: var(--lime);
}
.stat__unit { margin-left: 6px; font-size: .36em; letter-spacing: .06em; color: var(--cold); }
.stat--orange .stat__value { color: var(--orange); }
.stat--paper .stat__value { color: var(--paper-white); }

.card {
  padding: 26px;
  border: 1px solid rgba(140, 154, 147, .16);
  border-radius: var(--r-lg);
  background: var(--pitch);
  color: var(--ink-soft);
}
.card--paper {
  background: var(--paper-white);
  color: var(--near-black);
  border-color: var(--paper-grey);
}

.data-table { width: 100%; font-size: 14px; }
.data-table th,
.data-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid rgba(140, 154, 147, .24); }
.data-table thead th {
  font-family: var(--font-data);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cold);
}
.data-table tbody tr:nth-child(even) { background: rgba(226, 222, 209, .5); }
.section--dark .data-table tbody tr:nth-child(even) { background: rgba(20, 56, 44, .55); }
.data-table .num { font-family: var(--font-data); }

.num { font-family: var(--font-data); }

/* ---------- 12. 图片容器 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: var(--r-lg);
  background: var(--pitch);
}
.media img { width: 100%; height: 100%; object-fit: cover; }
.media--wide { aspect-ratio: 16 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }
.media--banner { aspect-ratio: 21 / 9; border-radius: 36px; }
.media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 16px 18px 14px;
  background: linear-gradient(to top, rgba(7, 19, 15, .88), transparent);
  color: var(--paper-white);
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .08em;
}

/* ---------- 13. 响应式 ---------- */
@media (max-width: 1240px) and (min-width: 1081px) {
  .site-nav__link { padding: 8px 10px; font-size: 13.5px; }
  .site-nav__idx { display: none; }
  .site-head__alt { display: none; }
}

@media (max-width: 1080px) {
  .nav-toggle { display: block; }
  .site-head__alt { display: none; }

  .site-nav {
    position: fixed;
    top: var(--head-h);
    left: 0;
    right: 0;
    bottom: 0;
    display: block;
    margin: 0;
    padding: 20px var(--gutter) 48px;
    background: var(--ink-deep);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .24s var(--ease), transform .3s var(--ease), visibility .24s;
  }
  .site-nav[data-open] { opacity: 1; visibility: visible; transform: translateY(0); }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 8px; }
  .site-nav__link {
    justify-content: space-between;
    padding: 16px 18px;
    border: 1px solid rgba(140, 154, 147, .18);
    border-radius: var(--r-md);
    background: rgba(20, 56, 44, .5);
    font-size: 17px;
  }
  .site-nav__idx { font-size: 12px; }
  .site-nav__link[aria-current="page"]::after { display: none; }
  .site-nav__actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid rgba(140, 154, 147, .24);
  }
}

@media (max-width: 900px) {
  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .foot-top { grid-template-columns: 1fr; gap: 36px; }
  .section { padding: 68px 0; }
}

@media (max-width: 720px) {
  :root { --head-h: 64px; --gutter: 18px; }
  body { font-size: 16px; }
  .brand__sub { display: none; }
  .brand__name { font-size: 17px; }
  .site-foot { padding: 56px 0 28px; }
  .foot-cols { grid-template-columns: 1fr 1fr; gap: 22px; }
  .foot-contact { margin-top: 40px; }
  .section-num { font-size: 11px; letter-spacing: .16em; }
  .prose h2 { font-size: 22px; }
}

@media (max-width: 560px) {
  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-head__actions .pill { display: none; }
  .site-head__cta { padding: 9px 16px; font-size: 13px; }
  .media--tall { aspect-ratio: 4 / 5; }
  .media--banner { aspect-ratio: 16 / 9; border-radius: var(--r-lg); }
}

@media (max-width: 420px) {
  .foot-cols { grid-template-columns: 1fr; }
  .foot-legal { flex-direction: column; align-items: flex-start; }
}

/* ---------- 14. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .progress__bar { transition: none; }
}