/* ============================================================
   利来体育 · 共享站点样式 /assets/site.css
   夜间赛场指挥中心：深墨蓝底 / 青绿通道 / 琥珀价格 / 珊瑚旧版
   ============================================================ */

:root {
  --ink: #081426;
  --ink-2: #0E2038;
  --steel: #1B3552;
  --mint: #2EF2C2;
  --mint-soft: #A8FFE8;
  --amber: #F5B44A;
  --coral: #FF6B5E;
  --fog: #E8F1F8;
  --blue-gray: #8FA6B8;

  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --rail: 0px;
  --edge: clamp(18px, 4vw, 48px);
  --max: 1440px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur: 160ms;

  --shadow-block: 8px 8px 0 rgba(46, 242, 194, 0.1);
  --shadow-deep: 0 24px 48px rgba(0, 0, 0, 0.55);
}

@media (min-width: 900px) {
  :root { --rail: 232px; }
}
@media (min-width: 1400px) {
  :root { --rail: 264px; }
}

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

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

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ul, ol { margin: 0; }

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

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

hr { border: 0; border-top: 1px solid var(--steel); }

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

::selection { background: var(--mint); color: #04121F; }

/* ---------- 文档基调 ---------- */
body {
  min-height: 100vh;
  padding-left: var(--rail);
  background-color: var(--ink);
  background-image:
    radial-gradient(1100px 620px at 84% -12%, rgba(46, 242, 194, 0.09), transparent 66%),
    radial-gradient(860px 520px at 4% 104%, rgba(245, 180, 74, 0.055), transparent 62%);
  background-repeat: no-repeat;
  background-attachment: fixed;
  color: var(--fog);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
}

#main-content { display: block; scroll-margin-top: 12px; }

/* ---------- 工具类 ---------- */
.wrap {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--edge);
}

.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.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;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.4;
  color: var(--mint);
  text-transform: uppercase;
}

.display-xl {
  font-family: var(--font-sans);
  font-size: clamp(44px, 7vw, 96px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--fog);
  text-wrap: balance;
}

.section-title {
  font-family: var(--font-sans);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--fog);
}

.lede {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.75;
  color: var(--fog);
}

.note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--blue-gray);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--steel);
  border-radius: 2px;
  background: transparent;
  color: var(--fog);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.3;
  text-align: center;
  transition:
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.btn:hover { border-color: var(--mint); color: var(--mint); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--mint);
  border-color: var(--mint);
  color: #04121F;
}
.btn--primary:hover {
  background: var(--mint-soft);
  border-color: var(--mint-soft);
  color: #04121F;
}

.btn--ghost { color: var(--fog); }
.btn--ghost:hover { border-color: var(--mint); color: var(--mint); }

.btn--amber {
  border-color: rgba(245, 180, 74, 0.65);
  color: var(--amber);
}
.btn--amber:hover {
  border-color: var(--amber);
  background: rgba(245, 180, 74, 0.12);
  color: var(--amber);
}

/* ---------- 面板 ---------- */
.panel {
  position: relative;
  padding: clamp(20px, 3vw, 34px);
  background: var(--ink-2);
  border: 1px solid var(--steel);
}

.panel--cut {
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}

.panel--offset { box-shadow: var(--shadow-block); }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--steel);
  border-radius: 2px;
  background: rgba(8, 20, 38, 0.5);
  color: var(--blue-gray);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  line-height: 1.5;
  white-space: nowrap;
}
.tag--mint { border-color: rgba(46, 242, 194, 0.5); color: var(--mint); }
.tag--amber { border-color: rgba(245, 180, 74, 0.5); color: var(--amber); }
.tag--coral { border-color: rgba(255, 107, 94, 0.55); color: var(--coral); }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--blue-gray);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--steel);
}

.breadcrumb-item a {
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.breadcrumb-item a:hover { color: var(--mint); border-bottom-color: var(--mint); }

.breadcrumb-item [aria-current="page"] { color: var(--fog); }

/* ---------- 图片容器 ---------- */
.media-frame {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--steel);
  background-color: var(--ink-2);
  background-image:
    linear-gradient(135deg, rgba(46, 242, 194, 0.07), rgba(8, 20, 38, 0) 46%),
    repeating-linear-gradient(90deg, rgba(27, 53, 82, 0.6) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(0deg, rgba(27, 53, 82, 0.35) 0 1px, transparent 1px 44px);
}

.media-frame > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue-gray);
}

/* ---------- 跳至主内容 ---------- */
.skip-link {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 300;
  padding: 12px 20px;
  background: var(--mint);
  color: #04121F;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  transform: translateY(-130%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ============================================================
   头部：桌面纵向轨道 / 移动顶部条 + 抽屉
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 0 var(--edge);
  background: rgba(8, 20, 38, 0.97);
  border-bottom: 1px solid var(--steel);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.site-header[data-open="true"] {
  border-bottom-color: var(--mint);
}

/* --- 品牌行 --- */
.rail-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand-glyph {
  position: relative;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border: 1px solid var(--mint);
  background: rgba(46, 242, 194, 0.1);
  clip-path: polygon(0 0, 72% 0, 100% 28%, 100% 100%, 28% 100%, 0 72%);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.brand-glyph-dot {
  width: 8px;
  height: 8px;
  background: var(--mint);
  box-shadow: 0 0 10px rgba(46, 242, 194, 0.8);
}

.brand-name {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--fog);
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}

.brand:hover .brand-name { color: var(--mint); }
.brand:hover .brand-glyph { background: rgba(46, 242, 194, 0.22); }

/* --- 移动导航按钮 --- */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--steel);
  border-radius: 2px;
  color: var(--fog);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.nav-toggle:hover { border-color: var(--mint); color: var(--mint); }
.nav-toggle[aria-expanded="true"] { border-color: var(--mint); color: var(--mint); background: rgba(46, 242, 194, 0.1); }

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle-bars i {
  display: block;
  height: 2px;
  width: 100%;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* --- 导航容器：移动端抽屉 --- */
.rail-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  display: none;
  flex-direction: column;
  max-height: calc(100dvh - 72px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 16px var(--edge) 28px;
  background: var(--ink-2);
  border-bottom: 2px solid var(--mint);
  box-shadow: var(--shadow-deep);
}

.rail-nav[data-open="true"] { display: flex; }

/* --- 通道徽章 --- */
.channel-badge {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 8px;
  margin-bottom: 18px;
  padding: 6px 10px;
  border: 1px solid rgba(46, 242, 194, 0.34);
  border-radius: 2px;
  background: rgba(46, 242, 194, 0.08);
  color: var(--mint-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.channel-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  background: var(--mint);
  box-shadow: 0 0 8px rgba(46, 242, 194, 0.9);
}

/* --- 导航列表 --- */
.rail-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.rail-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--blue-gray);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition:
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    padding-left var(--dur) var(--ease);
}

.rail-link::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  width: 3px;
  height: 0;
  background: var(--mint);
  transform: translateY(-50%);
  transition: height var(--dur) var(--ease);
}

.rail-link:hover {
  color: var(--fog);
  border-color: var(--steel);
  background: rgba(27, 53, 82, 0.45);
}

.rail-link:hover::before { height: 58%; }

.rail-link[aria-current="page"] {
  color: var(--mint);
  border-color: var(--steel);
  background: linear-gradient(90deg, rgba(46, 242, 194, 0.14), rgba(46, 242, 194, 0) 78%);
}

.rail-link[aria-current="page"]::before { height: 100%; }

.rail-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--steel);
  font-variant-numeric: tabular-nums;
  transition: color var(--dur) var(--ease);
}

.rail-link:hover .rail-index { color: var(--blue-gray); }
.rail-link[aria-current="page"] .rail-index { color: var(--mint); }

.rail-label { min-width: 0; }

/* --- 快捷入口 --- */
.rail-quick {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--steel);
}

.rail-quick-note {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--blue-gray);
}

.rail-quick-link {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-gray);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.rail-quick-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 1px;
  background: currentColor;
  transform: translateY(-50%);
  transition: width var(--dur) var(--ease);
}

.rail-quick-link:hover { color: var(--mint); padding-left: 18px; }
.rail-quick-link:hover::before { width: 10px; }

/* --- 轨道底部值班席 --- */
.rail-foot {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--steel);
}

.rail-foot-note {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--blue-gray);
}

.rail-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border: 1px solid var(--mint);
  border-radius: 2px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.rail-cta:hover { background: var(--mint); color: #04121F; }

/* --- 滚动进度 --- */
.rail-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--mint);
  transform: scaleX(var(--p, 0));
  transform-origin: left center;
  pointer-events: none;
  z-index: 5;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 128px);
  border-top: 1px solid var(--steel);
  background: linear-gradient(180deg, rgba(14, 32, 56, 0.62), rgba(8, 20, 38, 1));
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: clamp(64px, 14vw, 180px);
  height: 3px;
  background: var(--mint);
}

.footer-main {
  display: grid;
  gap: 40px;
  padding-block: clamp(40px, 6vw, 78px);
}

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

.footer-glyph {
  display: inline-block;
  font-size: clamp(46px, 7vw, 84px);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.045em;
  color: var(--mint);
  background-image: linear-gradient(180deg, var(--mint-soft) 0%, var(--mint) 44%, var(--steel) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.footer-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--blue-gray);
}

.footer-cta { margin-top: 4px; }

.footer-cols {
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr;
}

.footer-col { min-width: 0; }

.footer-col-title {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--steel);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--mint);
}

.footer-col-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-col-list a {
  position: relative;
  display: inline-block;
  padding-block: 5px;
  color: var(--blue-gray);
  font-size: 14px;
  transition: color var(--dur) var(--ease);
}

.footer-col-list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 3px;
  width: 0;
  height: 1px;
  background: var(--mint);
  transition: width var(--dur) var(--ease);
}

.footer-col-list a:hover { color: var(--fog); }
.footer-col-list a:hover::after { width: 100%; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  padding-block: 24px 32px;
  border-top: 1px solid var(--steel);
  font-size: 12px;
  color: var(--blue-gray);
}

.footer-legal-item {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.footer-legal-key {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--steel);
  text-transform: uppercase;
}

.footer-legal-val { color: var(--fog); }
.footer-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: 0.01em; }

.footer-legal-note {
  flex: 1 1 100%;
  max-width: 74ch;
  color: var(--blue-gray);
  line-height: 1.7;
}

.footer-sign {
  flex: 1 1 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

/* ============================================================
   断点：桌面纵向轨道
   ============================================================ */
@media (min-width: 620px) {
  .footer-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  body { padding-left: var(--rail); }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: auto;
    bottom: 0;
    width: var(--rail);
    padding: 0;
    border-bottom: 0;
    border-right: 1px solid var(--steel);
    background: linear-gradient(180deg, #0A182B 0%, var(--ink) 46%, #061020 100%);
    overflow: hidden;
  }

  .rail-bar {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 14px;
    padding: 26px 22px 18px;
    width: 100%;
  }

  .nav-toggle { display: none; }

  .rail-nav {
    position: static;
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0 18px 22px;
    background: transparent;
    border-bottom: 0;
    box-shadow: none;
  }

  .rail-list { gap: 4px; }

  .rail-link { padding: 11px 14px; }

  .rail-quick { margin-top: 20px; }

  .rail-foot { margin-top: auto; }

  .rail-progress {
    left: auto;
    right: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    height: auto;
    transform: scaleY(var(--p, 0));
    transform-origin: center top;
  }

  .footer-main {
    grid-template-columns: minmax(260px, 1fr) 1.5fr;
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }

  .footer-cols { grid-template-columns: repeat(3, minmax(0, 1fr)); }

  .footer-legal { align-items: center; }
}

@media (min-width: 1100px) {
  .footer-brand { position: sticky; top: 24px; }
}

/* ============================================================
   动效与无障碍降级
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .rail-link:hover,
  .rail-quick-link:hover,
  .btn:active { transform: none; }

  .rail-progress { transition: none; }
}