/* ============================================================
   环亚体育主站 — /assets/site.css
   深夜运动数据舱 · 侧边导览轨道 · 粗野主义面板
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root {
  --bg: #060A14;
  --panel: #0F1729;
  --line: #1B2440;
  --ink: #F4F7FF;
  --muted: #98A6C4;
  --body-ink: #C6D0E8;

  --cyan: #2FF3E0;
  --orange: #FF7A2E;
  --violet: #B44BFF;
  --magenta: #FF3D8A;
  --ok: #4ADE80;
  --warn: #FFC24B;

  --rail-w: 272px;
  --maxw: 1180px;
  --gutter: clamp(18px, 4vw, 56px);

  --font-sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-cond: "Oswald", "Barlow Condensed", "Arial Narrow", "Noto Sans SC", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --hard: 8px 8px 0 0 rgba(6, 10, 20, .88);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  padding-left: var(--rail-w);
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    linear-gradient(rgba(27, 36, 64, .32) 1px, transparent 1px),
    linear-gradient(90deg, rgba(27, 36, 64, .32) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(120% 90% at 72% 6%, #000 8%, transparent 72%);
  mask-image: radial-gradient(120% 90% at 72% 6%, #000 8%, transparent 72%);
}

main { position: relative; z-index: 1; }

::selection { background: var(--cyan); color: #04201C; }

img, svg, video { max-width: 100%; }

/* ---------- 3. 排版 ---------- */
h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ink);
}
h1 { font-size: clamp(2.4rem, 6.4vw, 4.25rem); }
h2 { font-size: clamp(1.75rem, 3.6vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.55rem); }
h4 { font-size: 1.05rem; }

p {
  margin: 0 0 1.15em;
  max-width: 68ch;
  color: var(--body-ink);
}
p:last-child { margin-bottom: 0; }

a {
  color: var(--cyan);
  text-decoration: none;
  text-underline-offset: 3px;
}
a:hover { text-decoration: underline; text-decoration-thickness: 2px; }

ul, ol { margin: 0 0 1.15em; padding-left: 1.2em; }

b, strong { color: var(--ink); font-weight: 700; }

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

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

.idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.muted { color: var(--muted); }
.text-cyan { color: var(--cyan); }
.text-orange { color: var(--orange); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 4. Skip link ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  transform: translateY(-180%);
  padding: 10px 16px;
  background: var(--cyan);
  color: #04201C;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  border: 2px solid #04201C;
  transition: transform .18s var(--ease-out);
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  text-decoration: none;
}

/* ---------- 5. 头部骨架（桌面：左侧固定轨道） ---------- */
.site-header {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--rail-w);
  z-index: 80;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 14px 14px 16px;
  background:
    radial-gradient(120% 55% at 0% 0%, rgba(47, 243, 224, .09), transparent 62%),
    linear-gradient(180deg, #0A1225 0%, var(--panel) 46%, #070C18 100%);
  border-right: 3px solid var(--line);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.brand-row {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}
.brand-row::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 72px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

/* 品牌 */
.brand {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  border: 2px solid var(--line);
  background: linear-gradient(135deg, rgba(47, 243, 224, .10), rgba(180, 75, 255, .10));
  color: var(--ink);
  text-decoration: none;
  transition: border-color .18s ease, transform .18s var(--ease-out);
}
.brand:hover {
  border-color: var(--cyan);
  text-decoration: none;
  transform: translateX(2px);
}
.brand__mark {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 2px solid var(--cyan);
  background: rgba(47, 243, 224, .08);
  color: var(--cyan);
  font-family: var(--font-cond);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1;
}
.brand__text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.brand__name {
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.25;
  color: var(--ink);
}
.brand__sub {
  font-size: 11px;
  line-height: 1.45;
  letter-spacing: .04em;
  color: var(--muted);
}

/* 移动端抽屉开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 12px;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease;
}
.nav-toggle:hover { border-color: var(--cyan); }
.nav-toggle[aria-expanded="true"] {
  border-color: var(--cyan);
  color: var(--cyan);
}
.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 18px;
}
.nav-toggle__bars i {
  display: block;
  height: 2px;
  background: var(--cyan);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: .45; }

/* ---------- 6. 命令栏 ---------- */
.command-bar {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  align-items: center;
  padding: 8px 10px;
  border: 2px solid var(--line);
  background: rgba(6, 10, 20, .72);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}
.command-bar__lang {
  color: var(--cyan);
  font-weight: 700;
}
.command-bar__date {
  justify-self: end;
  color: var(--ink);
  letter-spacing: .04em;
}
.command-bar__sync {
  grid-column: 1 / -1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}
.command-bar__sync b {
  color: var(--ink);
  font-weight: 600;
  letter-spacing: .04em;
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex: 0 0 auto;
}
.dot--ok {
  background: var(--ok);
  box-shadow: 0 0 0 3px rgba(74, 222, 128, .16);
}

/* ---------- 7. 栏目索引 ---------- */
.rail-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rail-nav__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}
.rail-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.rail-nav__link {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 10px 8px 12px;
  border-left: 3px solid transparent;
  background: transparent;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s var(--ease-out);
}
.rail-nav__link:hover {
  background: rgba(47, 243, 224, .07);
  border-left-color: rgba(47, 243, 224, .5);
  text-decoration: none;
  transform: translateX(2px);
}
.rail-nav__link[aria-current="page"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(47, 243, 224, .16), transparent 88%);
}
.rail-nav__num {
  min-width: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--muted);
}
.rail-nav__link[aria-current="page"] .rail-nav__num { color: var(--cyan); }

.rail-nav__actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 2px solid var(--line);
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border: 2px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .05em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s var(--ease-out), box-shadow .16s var(--ease-out), background .16s ease, color .16s ease, border-color .16s ease;
}
.btn:hover {
  text-decoration: none;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 0 rgba(47, 243, 224, .38);
}
.btn:active {
  transform: translate(0, 0);
  box-shadow: none;
}
.btn--ghost {
  border-color: var(--cyan);
  color: var(--cyan);
}
.btn--ghost:hover {
  background: rgba(47, 243, 224, .10);
}
.btn--solid {
  border-color: var(--orange);
  background: var(--orange);
  color: #12060A;
}
.btn--solid:hover {
  box-shadow: 6px 6px 0 0 rgba(255, 122, 46, .34);
}

/* ---------- 9. 阅读进度 ---------- */
.rail-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 10px;
}
.scroll-meter {
  position: relative;
  height: 4px;
  background: var(--line);
  overflow: hidden;
}
.scroll-meter__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 56%, var(--magenta));
}
.rail-foot__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--muted);
}

/* ---------- 10. 页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(48px, 8vw, 96px);
  border-top: 3px solid var(--line);
  background:
    radial-gradient(90% 120% at 10% 0%, rgba(180, 75, 255, .14), transparent 62%),
    linear-gradient(180deg, #0A1120 0%, #05080F 100%);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: min(260px, 42%);
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 60%, var(--magenta));
}
.site-footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(34px, 6vw, 64px) var(--gutter) clamp(22px, 4vw, 40px);
  display: grid;
  grid-template-columns: minmax(240px, 1.05fr) minmax(0, 2fr);
  gap: clamp(26px, 5vw, 64px);
}

.footer-brand__name {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--ink);
  text-decoration: none;
}
.footer-brand__name:hover { color: var(--cyan); text-decoration: none; }
.footer-brand__tag {
  margin: 10px 0 18px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--muted);
}
.footer-brand__contact {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  color: var(--muted);
}
.footer-brand__contact a { color: var(--cyan); }
.footer-brand__addr {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}
.footer-col__title {
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.footer-col__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.footer-col__list li { margin: 0; }
.footer-col__list a {
  display: inline-block;
  padding: 4px 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  text-decoration: none;
  transition: color .16s ease, transform .16s var(--ease-out);
}
.footer-col__list a:hover {
  color: var(--ink);
  text-decoration: none;
  transform: translateX(3px);
}

.site-footer__base {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 16px var(--gutter) 34px;
  border-top: 2px solid var(--line);
}
.site-footer__base-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
}
.site-footer__copy,
.site-footer__icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  max-width: none;
}
.site-footer__icp { color: var(--ink); }
.site-footer__note {
  margin: 12px 0 0;
  max-width: 76ch;
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 11. 通用容器与网格 ---------- */
.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.section { padding: clamp(38px, 7vw, 88px) 0; }

.grid {
  display: grid;
  gap: clamp(16px, 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)); }

/* ---------- 12. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--cyan); text-decoration: none; }
.crumbs__sep { color: var(--line); }
.crumbs [aria-current="page"] { color: var(--cyan); }

/* ---------- 13. 卡片与标签 ---------- */
.card {
  position: relative;
  background: var(--panel);
  border: 2px solid var(--line);
  padding: clamp(16px, 2vw, 24px);
  box-shadow: var(--hard);
}
.card--accent { border-color: var(--cyan); }
.card--offset { transform: translateY(24px); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 2px solid var(--line);
  background: rgba(6, 10, 20, .6);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.tag--live { border-color: var(--orange); color: var(--orange); }
.tag--ok { border-color: var(--ok); color: var(--ok); }
.tag--pending { border-color: var(--warn); color: var(--warn); }

/* ---------- 14. 数据数字 ---------- */
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 6vw, 4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 15. 媒体容器（供页面阶段放图） ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 2px solid var(--line);
  background: var(--panel);
}
.media > img,
.media > svg,
.media > video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 34px 12px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink);
  background: linear-gradient(180deg, transparent, rgba(6, 10, 20, .94) 58%);
}
.media__badge {
  position: absolute;
  top: 10px;
  left: 10px;
}

/* ---------- 16. 滚动显现协议 ---------- */
[data-reveal] {
  transition: opacity .55s ease, transform .55s var(--ease-out);
}
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
}
.has-js [data-reveal][data-revealed] {
  opacity: 1;
  transform: none;
}

/* ---------- 17. 移动端 / 平板 ---------- */
@media (max-width: 1023px) {
  :root { --rail-w: 0px; }

  body { padding-left: 0; }

  .site-header {
    position: sticky;
    top: 0;
    bottom: auto;
    left: auto;
    width: 100%;
    height: auto;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 10px var(--gutter) 12px;
    border-right: 0;
    border-bottom: 3px solid var(--line);
    background: linear-gradient(180deg, #0A1225 0%, #0B1326 100%);
    box-shadow: 0 10px 24px rgba(4, 8, 16, .7);
    overflow: visible;
  }

  .brand-row {
    order: 1;
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
    gap: 8px;
  }
  .brand-row::after { display: none; }

  .brand { padding: 8px 10px; }
  .brand__mark { width: 32px; height: 32px; font-size: 13px; }
  .brand__name { font-size: 16px; }
  .brand__sub { display: none; }

  .nav-toggle { display: inline-flex; flex: 0 0 auto; }
  .nav-toggle__text { font-size: 13px; }

  .command-bar {
    order: 3;
    flex: 1 1 100%;
    padding: 6px 10px;
    font-size: 10.5px;
    letter-spacing: .06em;
  }
  .command-bar__sync { grid-column: 1 / -1; }

  .rail-nav {
    order: 2;
    flex: 1 1 100%;
    display: none;
    gap: 6px;
    padding: 0;
  }
  .rail-nav[data-open] {
    display: block;
    animation: rail-in .24s var(--ease-out) both;
  }
  .rail-nav__label { display: none; }

  .rail-nav__list {
    flex-direction: row;
    gap: 6px;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 2px 2px 8px;
    scroll-snap-type: x proximity;
    -webkit-overflow-scrolling: touch;
  }
  .rail-nav__list::-webkit-scrollbar { height: 4px; }
  .rail-nav__list::-webkit-scrollbar-thumb { background: var(--line); }
  .rail-nav__list li { flex: 0 0 auto; }

  .rail-nav__link {
    white-space: nowrap;
    min-height: 44px;
    padding: 8px 12px;
    border-left: 0;
    border-bottom: 3px solid transparent;
    background: rgba(15, 23, 41, .92);
    font-size: 14px;
    scroll-snap-align: start;
  }
  .rail-nav__link:hover { transform: none; }
  .rail-nav__link[aria-current="page"] {
    background: rgba(47, 243, 224, .12);
    border-bottom-color: var(--cyan);
  }

  .rail-nav__actions {
    flex-direction: row;
    margin-top: 2px;
    padding-top: 6px;
    border-top: 0;
    gap: 8px;
  }
  .rail-nav__actions .btn { flex: 1 1 0; padding: 10px 10px; font-size: 13px; }

  .rail-foot { display: none; }

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

  .grid--3,
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card--offset { transform: none; }
}

@keyframes rail-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 600px) {
  body { font-size: 15.5px; }

  .footer-cols { grid-template-columns: minmax(0, 1fr); gap: 24px; }

  .grid--2,
  .grid--3,
  .grid--4 { grid-template-columns: minmax(0, 1fr); }

  .site-footer__base-row { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* ---------- 18. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}