/* ============================================================
   /assets/site.css — 19体育看台 共享外壳
   夜间赛场指挥中心：墨绿夜底 / 电光青数据线 / 信号橙动作 / 荧光黄数字
   ============================================================ */

:root {
  --ink: #05130F;
  --panel: #0C2620;
  --panel-2: #123B33;
  --cyan: #23E0CE;
  --orange: #FF6B2C;
  --lime: #E9FF5C;
  --wine: #8C1F45;
  --indigo: #3B2A6B;
  --text: #E6F2EE;
  --muted: #93A9A1;

  --cy-06: rgba(35, 224, 206, .06);
  --cy-12: rgba(35, 224, 206, .12);
  --cy-20: rgba(35, 224, 206, .20);
  --cy-40: rgba(35, 224, 206, .40);

  --font-head: "Arial Narrow", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --tick: 4px;
  --header-h: 88px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 560px at 78% -12%, rgba(35, 224, 206, .10), transparent 62%),
    radial-gradient(880px 520px at -8% 26%, rgba(59, 42, 107, .30), transparent 66%),
    radial-gradient(700px 420px at 92% 88%, rgba(140, 31, 69, .20), transparent 68%),
    linear-gradient(180deg, #05130F 0%, #071A15 52%, #05130F 100%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(35, 224, 206, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 224, 206, .045) 1px, transparent 1px);
  background-size: 64px 64px;
}

img, svg, video { max-width: 100%; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.12;
  color: var(--text);
}
p { margin: 0; }

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

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 布局骨架 ---------- */
.container {
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 80px);
}

#main-content {
  display: block;
  padding-top: clamp(92px, 12vh, 132px);
}

.section { padding-block: clamp(44px, 7vh, 104px); }

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--cy-40), rgba(35, 224, 206, 0));
}

/* ---------- 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 50%;
  z-index: 200;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  transform: translate(-50%, -180%);
  transition: transform .2s ease;
}
.skip-link:focus { transform: translate(-50%, 0); }

/* ---------- 头部：悬浮胶囊导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  padding: 12px clamp(12px, 3vw, 28px) 0;
  pointer-events: none;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 120;
  background: linear-gradient(90deg, var(--cyan), var(--lime) 62%, var(--orange));
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

.header-rail {
  position: relative;
  width: 100%;
  max-width: 1320px;
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 80px);
  pointer-events: auto;
}

.header-shell {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 62px;
  padding: 8px 10px 8px 18px;
  border-radius: 999px;
  background: rgba(12, 38, 32, .90);
  border: 1px solid var(--cy-20);
  box-shadow: 0 24px 48px -24px rgba(0, 0, 0, .95), inset 0 1px 0 rgba(230, 242, 238, .05);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: min-height .24s ease, padding .24s ease, background-color .24s ease, border-color .24s ease;
}
.site-header[data-scrolled] .header-shell {
  min-height: 52px;
  padding: 6px 8px 6px 16px;
  background: rgba(6, 22, 18, .97);
  border-color: var(--cy-40);
}

/* 品牌浮岛 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-right: auto;
  padding: 4px 6px 4px 0;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  min-width: 46px;
  height: 34px;
  padding: 0 8px;
  border-radius: 8px;
  background: linear-gradient(140deg, var(--cyan), #14A89B);
  color: #04120F;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-family: var(--font-head); font-size: 17px; font-weight: 800; letter-spacing: .01em; }
.brand-sub { font-size: 11px; letter-spacing: .14em; color: var(--muted); }

/* 栏目胶囊 */
.nav-capsule {
  display: flex;
  align-items: center;
  padding: 4px;
  border-radius: 999px;
  background: rgba(5, 19, 15, .62);
  border: 1px solid var(--cy-12);
}
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-link {
  display: block;
  padding: 8px 13px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: rgba(230, 242, 238, .78);
  white-space: nowrap;
  transition: color .18s ease, background-color .18s ease;
}
.nav-link:hover { color: var(--text); background: var(--cy-12); }
.nav-link[aria-current="page"] { color: #04120F; background: var(--cyan); }

.nav-mobile-actions { display: none; }

.header-actions { display: flex; align-items: center; gap: 8px; margin-left: 8px; }

/* 通用按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .01em;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-signal { background: var(--orange); color: var(--ink); }
.btn-signal:hover { background: #FF8347; }
.btn-ghost { background: var(--cy-06); border-color: rgba(35, 224, 206, .36); color: var(--cyan); }
.btn-ghost:hover { background: rgba(35, 224, 206, .16); }
.btn-quiet { background: transparent; border-color: rgba(147, 169, 161, .32); color: var(--muted); }
.btn-quiet:hover { color: var(--text); border-color: rgba(147, 169, 161, .6); }

/* 移动开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid rgba(35, 224, 206, .30);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}
.nav-toggle-bars { position: relative; width: 16px; height: 10px; }
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform .2s ease, top .2s ease, bottom .2s ease;
}
.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { top: 4px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { bottom: 4px; transform: rotate(-45deg); }

/* 左侧竖向记分牌 */
.score-spine {
  display: none;
  position: fixed;
  top: 50%;
  left: 0;
  z-index: 80;
  width: 88px;
  max-height: 88vh;
  padding: 16px 0;
  transform: translateY(-50%);
  overflow: hidden;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  background: linear-gradient(180deg, rgba(5, 19, 15, .92), rgba(5, 19, 15, .58));
  border-right: 1px solid var(--cy-20);
  pointer-events: auto;
}
.spine-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .30em;
  color: var(--muted);
}
.spine-list { display: flex; flex-direction: column; align-items: center; gap: 8px; }
.spine-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 6px 0;
  color: var(--muted);
  transition: color .18s ease;
}
.spine-num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: rgba(35, 224, 206, .55);
}
.spine-label {
  writing-mode: vertical-rl;
  font-size: 11px;
  line-height: 1.05;
  letter-spacing: .10em;
}
.spine-item:hover { color: var(--text); }
.spine-item[aria-current="page"] { color: var(--lime); }
.spine-item[aria-current="page"] .spine-num { color: var(--lime); }

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 10vh, 140px);
  background:
    linear-gradient(180deg, rgba(18, 59, 51, .42), rgba(5, 19, 15, .98) 58%),
    var(--ink);
  border-top: 1px solid var(--cy-20);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--cy-40) 0 1px, transparent 1px 16px);
  opacity: .55;
  pointer-events: none;
}
.footer-inner { padding-block: clamp(48px, 7vh, 88px) clamp(28px, 4vh, 44px); }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 64px);
}
.footer-brand { display: flex; flex-direction: column; gap: 18px; }
.brand--footer { margin-right: 0; }
.footer-lede {
  max-width: 40ch;
  font-size: 15.5px;
  color: rgba(230, 242, 238, .78);
}
.footer-contact { display: flex; flex-direction: column; gap: 8px; font-size: 14.5px; color: var(--text); }
.footer-contact li { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; }
.footer-contact-label {
  min-width: 68px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
}

.footer-col-title {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--cyan);
  text-transform: uppercase;
}
.footer-list { display: flex; flex-direction: column; gap: 11px; }
.footer-list a {
  font-size: 15px;
  color: rgba(230, 242, 238, .80);
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}
.footer-list a:hover { color: var(--lime); border-color: rgba(233, 255, 92, .5); }

.footer-meta {
  margin-top: clamp(34px, 5vh, 60px);
  padding-top: 22px;
  border-top: 1px solid rgba(147, 169, 161, .22);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 26px;
}
.footer-note {
  flex: 1 1 320px;
  font-size: 13.5px;
  color: var(--muted);
}
.footer-legal,
.footer-copy {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(147, 169, 161, .9);
}

/* ---------- 面包屑 ---------- */
.breadcrumb { padding-block: 4px 22px; font-size: 13px; color: var(--muted); }
.breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; color: rgba(147, 169, 161, .5); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb-current,
.breadcrumb [aria-current="page"] { color: var(--text); }

/* ---------- 章节标题组 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: currentColor; }

.section-head { display: flex; flex-direction: column; gap: 12px; margin-bottom: clamp(22px, 3vw, 40px); }
.section-title { font-size: clamp(26px, 3.4vw, 38px); }
.section-lede { max-width: 46ch; font-size: 16px; color: rgba(230, 242, 238, .80); }

/* ---------- 网格 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(18px, 2.4vw, 28px);
}
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.span-4 { grid-column: span 4; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

/* ---------- 卡片与面板 ---------- */
.card {
  position: relative;
  padding: clamp(20px, 2.4vw, 30px);
  border: 1px solid var(--cy-12);
  border-radius: 4px;
  background: linear-gradient(160deg, rgba(18, 59, 51, .72), rgba(12, 38, 32, .92));
  transition: transform .2s ease, border-color .2s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--cy-40); }
.card--cut {
  border-radius: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}
.card-title { font-size: clamp(19px, 2vw, 23px); }
.card-body { margin-top: 10px; font-size: 15.5px; color: rgba(230, 242, 238, .80); }

.panel {
  padding: clamp(20px, 2.6vw, 34px);
  border: 1px solid var(--cy-12);
  background: rgba(12, 38, 32, .66);
}
.panel--wine {
  background: linear-gradient(150deg, rgba(140, 31, 69, .52), rgba(12, 38, 32, .88));
  border-color: rgba(140, 31, 69, .60);
}
.panel--indigo {
  background: linear-gradient(150deg, rgba(59, 42, 107, .56), rgba(12, 38, 32, .88));
  border-color: rgba(59, 42, 107, .70);
}

/* ---------- 数据锚点 ---------- */
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: clamp(40px, 6vw, 76px);
  line-height: .95;
  letter-spacing: -.02em;
  color: var(--lime);
}
.stat-label { font-size: 13px; letter-spacing: .08em; color: var(--muted); }
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: clamp(18px, 2.4vw, 32px);
}

/* ---------- 筛选 chips ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid rgba(35, 224, 206, .28);
  border-radius: 999px;
  background: var(--cy-06);
  color: rgba(230, 242, 238, .86);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}
.chip:hover { color: var(--text); border-color: rgba(35, 224, 206, .6); }
.chip[aria-pressed="true"] { background: var(--cyan); border-color: var(--cyan); color: var(--ink); }

/* ---------- 标签 ---------- */
.tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  background: var(--lime);
  color: var(--ink);
}
.tag--cyan { background: rgba(35, 224, 206, .16); color: var(--cyan); }
.tag--wine { background: var(--wine); color: var(--text); }

/* ---------- 图片容器（供页面阶段放占位） ---------- */
.figure { display: flex; flex-direction: column; gap: 10px; margin: 0; }
.figure-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--cy-20);
  border-radius: 4px;
  background-color: var(--panel-2);
  background-image:
    linear-gradient(140deg, rgba(35, 224, 206, .22), transparent 46%),
    linear-gradient(0deg, rgba(5, 19, 15, .74), rgba(5, 19, 15, .18)),
    repeating-linear-gradient(90deg, rgba(230, 242, 238, .07) 0 1px, transparent 1px 34px);
}
.figure-media > img,
.figure-media > svg,
.figure-media > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.figure-media::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--cy-12);
  pointer-events: none;
}
.figure-media--wide { aspect-ratio: 21 / 9; }
.figure-media--tall { aspect-ratio: 3 / 4; }
.figure-media--square { aspect-ratio: 1 / 1; }
.figure-caption { font-size: 13px; color: var(--muted); }

/* ---------- 正文排版 ---------- */
.prose { max-width: 40rem; color: rgba(230, 242, 238, .86); }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 1.9em; font-size: clamp(23px, 3vw, 32px); }
.prose h3 { margin-top: 1.6em; font-size: 20px; }
.prose strong { color: var(--text); }
.prose a { color: var(--cyan); border-bottom: 1px solid rgba(35, 224, 206, .40); }
.prose a:hover { border-color: var(--cyan); }
.prose ul, .prose ol { padding-left: 0; }
.prose ul li { position: relative; padding-left: 20px; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}
.prose ol { counter-reset: proseol; }
.prose ol li { position: relative; padding-left: 30px; counter-increment: proseol; }
.prose ol li::before {
  content: counter(proseol, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .1em;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 入场显现 ---------- */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .24s ease-out, transform .24s ease-out;
}
.has-js [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 34px);
  bottom: clamp(14px, 3vw, 34px);
  z-index: 110;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border: 1px solid rgba(35, 224, 206, .35);
  border-radius: 999px;
  background: rgba(7, 26, 22, .94);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .22s ease, transform .22s ease, visibility .22s, border-color .18s ease;
}
.to-top[data-visible] { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: var(--cyan); }

/* ---------- 平板 ---------- */
@media (max-width: 1100px) {
  .nav-link { padding: 8px 10px; font-size: 13.5px; }
}

@media (max-width: 960px) {
  .header-actions { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-capsule {
    position: absolute;
    top: calc(100% + 12px);
    left: 0;
    right: 0;
    display: grid;
    gap: 6px;
    padding: 14px;
    border-radius: 26px;
    background: rgba(7, 24, 20, .985);
    border: 1px solid rgba(35, 224, 206, .24);
    box-shadow: 0 34px 60px -26px rgba(0, 0, 0, .96);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
  }
  .nav-capsule[data-open] { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { padding: 12px 16px; border-radius: 14px; font-size: 15px; }
  .nav-mobile-actions { display: grid; gap: 8px; margin-top: 10px; }
  .nav-mobile-actions .btn { width: 100%; }
}

@media (max-width: 900px) {
  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .span-4, .span-6, .span-8, .span-12 { grid-column: 1 / -1; }
}

@media (min-width: 760px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
}

/* ---------- 宽屏：左侧记分牌栏 ---------- */
@media (min-width: 1180px) {
  body { padding-left: 88px; }
  .site-header { left: 88px; }
  .score-spine { display: flex; }
}

/* ---------- 手机 ---------- */
@media (max-width: 620px) {
  body { font-size: 16px; line-height: 1.68; }
  .brand-sub { display: none; }
  .brand-name { font-size: 16px; }
  .brand-mark { min-width: 40px; height: 30px; font-size: 12px; }
  .header-shell { padding: 7px 8px 7px 14px; }
  .nav-toggle-label { display: none; }
  .nav-toggle { padding: 10px 12px; }
  .footer-meta { flex-direction: column; align-items: flex-start; }
  .to-top { padding: 10px 14px; }
}

/* ---------- 无动画偏好 ---------- */
@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;
  }
  .has-js [data-reveal] { opacity: 1; transform: none; }
}