/* ============================================================
   178体育站 · 共享站点样式表 /assets/site.css
   夜场转播室 × 数据指挥中心：堆叠画板、居中刊头、荧光绿锚点
   ============================================================ */

/* ---------- 1. reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 152px;
}

body,
h1, h2, h3, h4, h5,
p, ul, ol, dl, dd, figure, blockquote {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

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

button, input, select, textarea { font: inherit; color: inherit; }

a { color: inherit; text-decoration: none; }

/* ---------- 2. tokens ---------- */
:root {
  --ink: #0A0E0F;
  --panel: #141B1C;
  --line: #263332;
  --lime: #C8FF3C;
  --lime-deep: #8FBF1F;
  --data-blue: #3B82F6;
  --warn: #FF7A29;
  --paper: #F4F7F2;
  --mist: #93A39C;
  --moss: #1D2A1B;

  --font-display: "Oswald", "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --font-serif: "Source Han Serif SC", "Noto Serif SC", "Songti SC", Georgia, "Times New Roman", serif;

  --shell: 1240px;
  --gutter: 24px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --radius-soft: 22px;
  --chapter-space: clamp(72px, 9vw, 140px);
}

/* ---------- 3. base ---------- */
body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

/* ---------- 4. layout ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.grid { display: grid; gap: 24px; }
.grid--8-4 { grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); }
.grid--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.grid--5-7 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------- 5. type utilities ---------- */
.display {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: .98;
  letter-spacing: -.01em;
}

.editorial {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.62;
  letter-spacing: .01em;
  color: var(--paper);
}

.label {
  display: inline-block;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mist);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
}

.prose { max-width: 38em; }
.prose p + p { margin-top: 1.4em; }

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--line);
}

/* ---------- 6. buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .02em;
  border: 1px solid transparent;
  border-radius: 2px;
  cursor: pointer;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}

.btn--primary {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}
.btn--primary:hover {
  background: var(--lime-deep);
  border-color: var(--lime-deep);
}

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--paper);
}
.btn--ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.btn--sm { padding: 8px 14px; font-size: 13px; }
.btn--block { display: flex; width: 100%; }

/* ---------- 7. blocks ---------- */
.panel {
  background: var(--panel);
  border-top: 2px solid var(--lime);
  padding: clamp(24px, 4vw, 48px);
}

.panel--soft {
  border-top: 1px solid var(--line);
  border-radius: var(--radius-soft);
}

.panel--moss { background: var(--moss); }

.figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 14px;
  background: var(--moss);
}

.figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.figure--wide { aspect-ratio: 16 / 9; }
.figure--tall { aspect-ratio: 4 / 5; }
.figure--square { aspect-ratio: 1 / 1; }

.figure--empty {
  border: 1px solid var(--line);
  background-image: repeating-linear-gradient(135deg, var(--moss) 0 16px, #1B2620 16px 32px);
}

.figure__tag {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  padding: 4px 10px;
  background: rgba(10, 14, 15, .74);
  border-left: 2px solid var(--lime);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--paper);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
}
.tag--live { color: var(--lime); border-color: var(--lime-deep); }
.tag--alert { color: var(--warn); border-color: rgba(255, 122, 41, .45); }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}
.crumbs li { display: flex; align-items: center; gap: 8px; }
.crumbs li + li::before { content: "/"; color: var(--line); }
.crumbs a:hover { color: var(--lime); }

.chapter-nav {
  position: sticky;
  top: 168px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-family: var(--font-mono);
}
.chapter-nav__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0 8px 12px;
  border-left: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.chapter-nav__link:hover { color: var(--paper); }
.chapter-nav__link[aria-current="true"] {
  color: var(--lime);
  border-left-color: var(--lime);
}
.chapter-nav__num { font-size: 10px; color: var(--lime-deep); }

.status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mist);
  white-space: nowrap;
}
.status__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--warn);
  animation: statusPulse 2.6s ease-in-out infinite;
}
@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255, 122, 41, .16); }
  50% { box-shadow: 0 0 0 7px rgba(255, 122, 41, .04); }
}

/* ---------- 8. header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.skip-link {
  position: absolute;
  top: -120px;
  left: var(--gutter);
  z-index: 120;
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  background: var(--lime);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 10px; }

.masthead { border-bottom: 1px solid var(--line); }

.masthead__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding-block: 20px;
}

.masthead__season {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--lime-deep);
}
.masthead__season .num { font-size: 15px; color: var(--lime); }

.masthead__status {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 34px);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--paper);
}
.brand__name::after {
  content: "";
  display: block;
  height: 3px;
  margin-top: 8px;
  background: linear-gradient(90deg, var(--lime) 0%, var(--lime) 42%, transparent 42%);
}

.brand__note {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

/* 移动端折叠按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--paper);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.nav-toggle:hover { border-color: var(--lime); color: var(--lime); }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: background-color .2s var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: transform .24s var(--ease);
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-5px) rotate(-45deg); }

/* 分段式仪表盘导航 */
.site-nav { position: relative; }

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-block: 6px;
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  min-width: 0;
}
.site-nav__list > li { display: flex; }
.site-nav__list > li + li { border-left: 1px solid var(--line); }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--mist);
  transition: color .2s var(--ease);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 5px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease);
}
.site-nav__link:hover { color: var(--paper); }
.site-nav__link:hover::after { transform: scaleX(1); }

.site-nav__link[aria-current="page"] { color: var(--lime); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.site-nav__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--lime-deep);
}

.site-nav__actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

/* 阅读进度 */
.progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  z-index: 2;
  display: block;
  height: 2px;
  background: rgba(38, 51, 50, .55);
  pointer-events: none;
}
.progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--lime-deep), var(--lime));
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

/* ---------- 9. footer ---------- */
.site-footer {
  margin-top: var(--chapter-space);
  padding-block: 64px 32px;
  background: var(--panel);
  border-top: 1px solid var(--line);
  color: var(--mist);
}

.footer__top {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) minmax(0, 2fr);
  gap: 48px;
}

.footer__brand { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }

.footer__wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1;
  letter-spacing: .01em;
  color: var(--paper);
}

.footer__tagline { font-size: 14px; line-height: 1.7; max-width: 24em; }

.footer__cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
}

.footer__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--lime-deep);
}

.footer__list { display: grid; gap: 10px; }
.footer__list a {
  font-size: 14px;
  color: var(--mist);
  transition: color .2s var(--ease);
}
.footer__list a:hover { color: var(--lime); }

.footer__contact {
  display: grid;
  gap: 8px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.footer__contact-line {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .01em;
  line-height: 1.9;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.footer__contact-note { font-size: 13px; line-height: 1.8; max-width: 66ch; }

.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .04em;
}

.footer__legal-copy { font-family: var(--font-mono); }

.footer__legal-links { display: flex; flex-wrap: wrap; gap: 18px; }
.footer__legal-links a { color: var(--mist); }
.footer__legal-links a:hover { color: var(--lime); }

/* ---------- 10. reveal ---------- */
[data-reveal] {
  transition: opacity .32s var(--ease), transform .32s var(--ease);
}
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}
.js-reveal [data-reveal].is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 11. responsive ---------- */
@media (max-width: 1080px) {
  .site-nav__link { padding: 12px 12px; font-size: 13px; }
  .site-nav__link::after { left: 12px; right: 12px; }
  .footer__top { grid-template-columns: minmax(0, 1fr); gap: 40px; }
}

@media (max-width: 900px) {
  html { scroll-padding-top: 104px; }

  .masthead__inner {
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    padding-block: 12px;
  }
  .masthead__season .label { display: none; }
  .masthead__season .num { font-size: 12px; letter-spacing: .04em; }
  .masthead__status { gap: 10px; }
  .masthead__status .status { display: none; }

  .brand { gap: 0; }
  .brand__name { font-size: 21px; }
  .brand__name::after { height: 2px; margin-top: 5px; }
  .brand__note { display: none; }

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

  .site-nav {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    max-height: 82vh;
    overflow-y: auto;
    padding: 18px 0 calc(24px + env(safe-area-inset-bottom, 0px));
    background: var(--panel);
    border-top: 1px solid var(--line);
    transform: translateY(101%);
    transition: transform .28s var(--ease);
  }
  .site-nav[data-open] { transform: translateY(0); }

  .site-nav__inner {
    display: block;
    padding-block: 0;
  }

  .site-nav__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--line);
  }
  .site-nav__list > li { border-bottom: 1px solid var(--line); }
  .site-nav__list > li + li { border-left: 0; }
  .site-nav__list > li:nth-child(2n) { border-left: 1px solid var(--line); }

  .site-nav__link {
    width: 100%;
    padding: 14px 10px;
    font-size: 15px;
    color: var(--paper);
  }
  .site-nav__link::after { left: 10px; right: 10px; bottom: 8px; }
  .site-nav__link[aria-current="page"] { background: rgba(200, 255, 60, .07); }

  .site-nav__actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
    margin-top: 16px;
  }
  .site-nav__actions .btn { width: 100%; padding: 12px 16px; }

  .chapter-nav { display: none; }

  .footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .site-footer { padding-block: 48px 28px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  :root { --gutter: 20px; }

  .grid--8-4,
  .grid--7-5,
  .grid--5-7,
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }

  .footer__cols { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .footer__contact { margin-top: 36px; }
  .footer__legal { flex-direction: column; align-items: flex-start; }
}

/* ---------- 12. reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .status__dot { animation: none; }

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

  .site-nav { transition: none; }
}