/* ============================================================
   金莎体育 · 联赛数据战术板  共享样式表 /assets/site.css
   00 重置 / 01 设计令牌 / 02 中文排版 / 03 外壳与图纸网格
   04 按钮与标签 / 05 头部命令栏 / 06 侧边模块面板
   07 页脚 / 08 通用数据组件 / 09 影像容器
   10 响应式 / 11 焦点与动效降级
   ============================================================ */

/* 00 重置 --------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 96px; }
body, h1, h2, h3, h4, p, ul, ol, li, figure, dl, dd, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; background: none; border: 0; }
table { border-collapse: collapse; width: 100%; }

/* 01 设计令牌 ----------------------------------------------- */
:root {
  --ink-900: #06120D;
  --ink-800: #0C241B;
  --ink-700: #14402F;
  --pitch: #1E7A4C;
  --gold: #C8A44B;
  --gold-soft: #E8D48A;
  --neon: #D8F23C;
  --away: #7C8FA6;
  --bracket-a: #8E2C6E;
  --bracket-b: #E2733A;
  --paper: #F2F3EE;
  --muted: #A9B5AE;

  --line: rgba(200, 164, 75, 0.30);
  --line-soft: rgba(169, 181, 174, 0.18);
  --grid-line: rgba(169, 181, 174, 0.07);
  --wash: rgba(20, 64, 47, 0.42);

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-num: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;

  --header-h: 76px;
  --shell: 1360px;
  --radius: 4px;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --dur: 200ms;
  --focus-ring: 0 0 0 2px #06120D, 0 0 0 4px var(--neon);

  --fs-body: 17px;
  --fs-label: 13px;
  --fs-card: 22px;
  --fs-section: 34px;
}

/* 02 中文排版 ----------------------------------------------- */
body {
  margin: 0;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.75;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  padding-top: var(--header-h);
  position: relative;
  transition: padding-top var(--dur) var(--ease);
  overflow-x: hidden;
}
body[data-scrolled="true"] { --header-h: 56px; }

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  background-position: -1px -1px;
}

#main-content { position: relative; z-index: 1; display: block; }

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.012em;
  color: var(--paper);
}
h1 { font-size: clamp(34px, 5vw, 62px); letter-spacing: -0.03em; }
h2 { font-size: clamp(26px, 3.2vw, 34px); }
h3 { font-size: var(--fs-card); }
h4 { font-size: 18px; }

p { text-wrap: pretty; }

.label {
  display: inline-block;
  font-size: var(--fs-label);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.stack-note {
  font-size: var(--fs-label);
  color: var(--away);
  letter-spacing: 0.05em;
  line-height: 1.65;
}
.prose { max-width: 42em; }
.prose p + p { margin-top: 1em; }
.prose a { color: var(--gold-soft); border-bottom: 1px solid var(--line); }
.prose a:hover { color: var(--neon); border-bottom-color: var(--neon); }

/* 03 外壳与图纸网格 ----------------------------------------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}
.site-main { position: relative; z-index: 1; }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

.tick-rail {
  position: relative;
  padding-left: 48px;
}
.tick-rail::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line-soft);
}
.tick-rail::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 22px;
  background-image: repeating-linear-gradient(180deg, rgba(200, 164, 75, 0.42) 0 1px, transparent 1px 32px);
  pointer-events: none;
}

.rule {
  height: 1px;
  border: 0;
  margin: 32px 0;
  background: linear-gradient(90deg, var(--gold) 0 72px, var(--line-soft) 72px 100%);
}

.panel {
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--gold);
  border-radius: var(--radius);
  padding: 22px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.panel:hover {
  transform: translateY(-2px);
  border-top-color: var(--gold-soft);
  background: var(--ink-700);
}

/* 04 按钮与标签 --------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn-primary { background: var(--gold); color: var(--ink-900); }
.btn-primary:hover { background: var(--gold-soft); transform: translateY(-2px); }
.btn-ghost { border-color: var(--gold); color: var(--gold-soft); }
.btn-ghost:hover { background: rgba(200, 164, 75, 0.14); color: var(--paper); transform: translateY(-2px); }
.btn-neon { background: var(--neon); color: var(--ink-900); }
.btn-neon:hover { background: var(--gold-soft); transform: translateY(-2px); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
}
.tag--neon { color: var(--ink-900); background: var(--neon); border-color: var(--neon); }
.tag--away { color: var(--away); border-color: rgba(124, 143, 166, 0.4); }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  color: var(--muted);
}
.breadcrumb li { display: flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before { content: "/"; color: var(--gold); }
.breadcrumb a { color: var(--muted); transition: color 140ms var(--ease); }
.breadcrumb a:hover { color: var(--gold-soft); }
.breadcrumb [aria-current="page"] { color: var(--paper); }

/* 05 头部命令栏 --------------------------------------------- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--neon);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 800;
  border-radius: var(--radius);
  transform: translateY(-160%);
  transition: transform 160ms var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  height: var(--header-h);
  background: rgba(6, 18, 13, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  transition: height var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 5px;
  pointer-events: none;
  opacity: 0.55;
  background-image: repeating-linear-gradient(90deg, rgba(232, 212, 138, 0.45) 0 1px, transparent 1px 28px);
}

.header-inner {
  height: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--gold), var(--neon));
  transition: width 90ms linear;
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  padding: 4px 6px 4px 0;
  border-radius: var(--radius);
}
.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: linear-gradient(150deg, var(--gold-soft), var(--gold) 55%, #8f6f26);
  color: var(--ink-900);
  font-size: 17px;
  font-weight: 900;
  border-radius: 9px 2px 9px 2px;
  transform: skewX(-4deg);
  flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; gap: 1px; }
.brand-name {
  display: block;
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--paper);
  transform: skewX(-5deg);
  transform-origin: left center;
  line-height: 1.1;
}
.brand-sub {
  display: block;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
  line-height: 1.2;
}

/* 导航 */
.primary-nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 2px; }
.nav-item { display: block; }
.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  border-radius: var(--radius);
  white-space: nowrap;
  transition: color 140ms var(--ease), background 140ms var(--ease);
}
.nav-link:hover { color: var(--paper); background: var(--wash); }
.nav-idx {
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.nav-link[aria-current="page"] { color: var(--paper); }
.nav-link[aria-current="page"] .nav-idx { color: var(--neon); }
.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 2px;
  height: 2px;
  background: var(--neon);
}

/* 头部工具区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 10px;
  flex: 0 0 auto;
}

.league-switch {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--ink-800);
  border: 1px solid rgba(124, 143, 166, 0.32);
  border-radius: 6px;
}
.league-btn {
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--away);
  border-radius: 4px;
  cursor: pointer;
  transition: background 140ms var(--ease), color 140ms var(--ease);
}
.league-btn:hover { color: var(--paper); background: var(--wash); }
.league-btn.is-active { background: var(--neon); color: var(--ink-900); }

.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold-soft);
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.header-cta:hover { background: var(--gold); color: var(--ink-900); }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 140ms var(--ease), background 140ms var(--ease);
}
.nav-toggle:hover { border-color: var(--gold); background: var(--wash); }
.nav-toggle-bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background: var(--paper);
  box-shadow: 0 -6px 0 var(--paper), 0 6px 0 var(--paper);
  transition: background 140ms var(--ease), box-shadow 140ms var(--ease);
}
.nav-toggle[aria-expanded="true"] { border-color: var(--neon); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars {
  background: var(--neon);
  box-shadow: 0 -6px 0 var(--neon), 0 6px 0 var(--neon);
}

.rail-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  cursor: pointer;
  flex: 0 0 auto;
  transition: border-color 140ms var(--ease), background 140ms var(--ease);
}
.rail-toggle:hover { border-color: var(--gold); background: var(--wash); }
.rail-toggle-lines {
  display: block;
  width: 14px;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 -5px 0 var(--gold), 0 5px 0 var(--gold);
}

/* 06 侧边模块面板 ------------------------------------------- */
.side-rail {
  position: fixed;
  top: var(--header-h);
  left: 0;
  bottom: 0;
  z-index: 85;
  width: 264px;
  padding: 22px 18px;
  overflow-y: auto;
  background: rgba(12, 36, 27, 0.98);
  border-right: 1px solid var(--line);
  box-shadow: 18px 0 40px rgba(0, 0, 0, 0.45);
  transform: translateX(-102%);
  transition: transform var(--dur) var(--ease);
}
.side-rail[data-open] { transform: translateX(0); }

.rail-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  padding-bottom: 8px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}
.rail-list { display: flex; flex-direction: column; gap: 2px; }
.rail-list + .rail-title { margin-top: 26px; }
.rail-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  border-radius: var(--radius);
  transition: color 140ms var(--ease), background 140ms var(--ease);
}
.rail-link:hover { color: var(--paper); background: var(--wash); }
.rail-key {
  font-family: var(--font-num);
  font-size: 10px;
  font-weight: 700;
  color: var(--gold);
}

/* 07 页脚 --------------------------------------------------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: 96px;
  background: var(--ink-800);
  border-top: 3px solid var(--gold);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  right: -130px;
  top: -130px;
  width: 440px;
  height: 440px;
  border: 1px solid rgba(200, 164, 75, 0.18);
  border-radius: 50%;
  pointer-events: none;
}
.site-footer::after {
  content: "";
  position: absolute;
  right: -56px;
  top: -56px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(216, 242, 60, 0.16);
  border-radius: 50%;
  pointer-events: none;
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 56px 24px 24px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-wordmark {
  display: inline-block;
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--paper);
  transform: skewX(-5deg);
  transform-origin: left center;
}
.footer-note {
  font-size: var(--fs-label);
  letter-spacing: 0.16em;
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  padding: 36px 0;
}
.footer-col { min-width: 0; }
.footer-col-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.footer-list { display: flex; flex-direction: column; gap: 9px; }
.footer-link {
  font-size: 14px;
  color: var(--muted);
  transition: color 140ms var(--ease);
}
.footer-link:hover { color: var(--neon); }
.footer-meta {
  display: block;
  font-size: 13px;
  line-height: 1.65;
  color: var(--away);
  word-break: break-word;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--line-soft);
}
.footer-copy {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* 08 通用数据组件 ------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* 09 影像容器 ----------------------------------------------- */
.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--ink-700);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-frame-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 14px;
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--paper);
  background: linear-gradient(180deg, rgba(6, 18, 13, 0), rgba(6, 18, 13, 0.9));
}
.ratio-16x9 { aspect-ratio: 16 / 9; }
.ratio-4x3 { aspect-ratio: 4 / 3; }
.ratio-1x1 { aspect-ratio: 1 / 1; }
.ratio-21x9 { aspect-ratio: 21 / 9; }

/* 10 响应式 ------------------------------------------------- */
@media (max-width: 1240px) {
  .nav-link { padding: 9px 8px; font-size: 13px; }
  .header-cta { display: none; }
}

@media (max-width: 1100px) {
  .rail-toggle { display: none; }
  .side-rail { display: none; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1024px) {
  :root { --header-h: 64px; }
  body { --header-h: 64px; }

  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    margin-left: 0;
    padding: 10px 16px 20px;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    background: linear-gradient(180deg, #0C241B 0%, #06120D 100%);
    border-bottom: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 0s linear 180ms;
  }
  .primary-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition-delay: 0s, 0s, 0s;
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-link { padding: 13px 10px; font-size: 16px; justify-content: flex-start; }
  .nav-link[aria-current="page"]::after { left: 0; right: auto; width: 3px; top: 10px; bottom: 10px; height: auto; }
  .header-tools { margin-left: auto; }

  .grid-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 16px; }
  .span-3, .span-4, .span-5, .span-6, .span-8, .span-9 { grid-column: span 12; }
  .tick-rail { padding-left: 28px; }
}

@media (max-width: 760px) {
  .brand-sub { display: none; }
  .league-btn { padding: 5px 8px; font-size: 11px; }
  .footer-inner { padding: 44px 18px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; padding: 28px 0; }
  .site-footer { margin-top: 64px; }
}

@media (max-width: 520px) {
  .shell, .header-inner { padding: 0 16px; }
  .brand-name { font-size: 15px; }
  .nav-toggle-label { display: none; }
  .baseline { font-size: 15px; }
  .footer-base { flex-direction: column; align-items: flex-start; }
}

/* 11 焦点与动效降级 ----------------------------------------- */
:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
  border-radius: 2px;
}
.skip-link:focus-visible { outline-offset: 3px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .panel:hover, .btn:hover { transform: none; }
  .scroll-progress { transition: none; }
}