/* ============================================================
   易倍体育赛场 — 全站共享样式 /assets/site.css
   深夜体育数据指挥室 × 转播车监控墙
   ============================================================ */

:root {
  --bg: #04160F;
  --bg-raised: #0A2A21;
  --indigo: #1B1440;
  --wine: #3A0E1E;
  --cyan: #2EF2B3;
  --orange: #FF6A1F;
  --amber: #F5C761;
  --text: #E6F2EE;
  --muted: #8FA8A2;
  --line: #1F3B33;
  --line-strong: #2E5148;

  --font-display: "Oswald", "Barlow Condensed", "HarmonyOS Sans SC", "Source Han Sans SC", sans-serif;
  --font-num: "JetBrains Mono", "Roboto Mono", ui-monospace, monospace;
  --font-body: "HarmonyOS Sans SC", "Source Han Sans SC", "PingFang SC", system-ui, sans-serif;

  --header-h: clamp(64px, 8vw, 84px);
  --shell: 1320px;
  --pad-x: clamp(16px, 3.4vw, 44px);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --t: 220ms;
  --radius: 2px;
}

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

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, p, figure, ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg, video { display: block; max-width: 100%; }
input, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .02em;
  line-height: 1.1;
}
h1 { font-size: clamp(2.6rem, 5vw, 4.4rem); line-height: 1.05; }
h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); line-height: 1.12; }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.55rem); line-height: 1.2; }
h4 { font-size: 1rem; letter-spacing: .06em; }

p { max-width: 68ch; }
p + p { margin-top: .9em; }

.num,
[data-num],
.stat-value,
.footer-legal,
.breadcrumb,
.section-index { font-family: var(--font-num); font-variant-numeric: tabular-nums; }

strong { font-weight: 600; color: var(--text); }

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

/* ---------- 可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 1px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  transform: translateY(-180%);
  padding: 10px 16px;
  background: var(--cyan);
  color: var(--bg);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: transform 180ms var(--ease);
}
.skip-link:focus-visible { transform: none; }

/* ---------- 布局容器 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.shell--narrow { max-width: 920px; }

.section {
  padding: clamp(48px, 7vw, 104px) 0;
  position: relative;
}
.section + .section { padding-top: 0; }

.band--surface { background: var(--bg-raised); }
.band--indigo { background: linear-gradient(180deg, var(--indigo), #0d0b23); }
.band--wine { background: linear-gradient(180deg, var(--wine), #210912); }

.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.grid--split { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); }

/* ---------- 章节头 ---------- */
.section-head {
  display: grid;
  gap: 14px;
  max-width: 900px;
  margin-bottom: clamp(24px, 3.4vw, 46px);
}
.section-index {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
}
.section-index::after {
  content: "";
  width: clamp(32px, 6vw, 80px);
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}
.section-title { font-size: clamp(1.8rem, 3vw, 2.6rem); }
.section-lead {
  font-size: 17px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 62ch;
}

.prose { max-width: 72ch; }
.prose > * + * { margin-top: 1em; }
.prose a { color: var(--cyan); border-bottom: 1px solid rgba(46, 242, 179, .38); }
.prose a:hover { border-bottom-color: var(--cyan); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(10, 42, 33, .72);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease),
              background-color var(--t) var(--ease), color var(--t) var(--ease);
}
.btn:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--cyan);
}
.btn--accent {
  background: var(--orange);
  border-color: var(--orange);
  color: #1B0A02;
}
.btn--accent:hover {
  background: #FF8340;
  border-color: #FF8340;
  color: #1B0A02;
}
.btn--ghost { background: transparent; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.tag--accent { color: var(--cyan); border-color: rgba(46, 242, 179, .45); }
.tag--alert { color: var(--orange); border-color: rgba(255, 106, 31, .45); }

/* ---------- 卡片 ---------- */
.card {
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}
.card:hover { transform: translateY(-2px); border-color: var(--line-strong); }

/* ---------- 比分牌数字模块 ---------- */
.data-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}
.stat {
  padding: 18px 20px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}
.stat:hover { transform: translateY(-2px); border-color: var(--cyan); }
.stat-value {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  line-height: 1;
  color: var(--cyan);
}
.stat-label {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.stat--amber .stat-value { color: var(--amber); }
.stat--orange .stat-value { color: var(--orange); }

/* ---------- 横向刻度 / 轮次轨道 ---------- */
.rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 20px 2px 24px;
  border-top: 1px solid var(--line);
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}
.rail-tick {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 128px;
  display: grid;
  gap: 6px;
  padding-top: 14px;
  border-top: 2px solid var(--line-strong);
  font-family: var(--font-num);
  font-size: 13px;
  color: var(--muted);
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}
.rail-tick[data-active] { border-top-color: var(--cyan); color: var(--text); }

/* ---------- 响应式图片容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  width: 100%;
  background: linear-gradient(150deg, var(--bg-raised), #061E17);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(0deg, rgba(230, 242, 238, .05) 0 1px, transparent 1px 3px);
  opacity: .55;
  pointer-events: none;
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 260ms var(--ease);
}
.media-frame[data-ratio="16x9"] { aspect-ratio: 16 / 9; }
.media-frame[data-ratio="4x3"] { aspect-ratio: 4 / 3; }
.media-frame[data-ratio="1x1"] { aspect-ratio: 1 / 1; }
.media-frame[data-ratio="3x4"] { aspect-ratio: 3 / 4; }
.media-frame[data-tilt] { clip-path: polygon(0 0, 100% 0, 100% 86%, 86% 100%, 0 100%); }
.media-frame[data-placeholder]::before {
  content: attr(data-placeholder);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 12px;
  text-align: center;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.media-frame.is-zooming:hover img { transform: scale(1.04); }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 0;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before {
  content: "/";
  color: var(--line-strong);
}
.breadcrumb a { color: var(--muted); transition: color var(--t) var(--ease); }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb [aria-current="page"] { color: var(--cyan); }

/* ---------- 显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 260ms var(--ease), transform 260ms var(--ease);
}
[data-reveal][data-visible] { opacity: 1; transform: none; }

/* ============================================================
   头部
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(4, 22, 15, .62);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease),
              box-shadow var(--t) var(--ease);
}
.site-header[data-scrolled] {
  background: #04160F;
  border-bottom-color: var(--line-strong);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .45);
}

.header-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pad-x);
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "brand nav utility"
    "leagues leagues leagues";
  align-items: center;
  column-gap: clamp(14px, 2.2vw, 34px);
  row-gap: 0;
  min-height: var(--header-h);
  transition: min-height var(--t) var(--ease);
}
.site-header[data-scrolled] .header-inner { min-height: calc(var(--header-h) - 14px); }

/* 品牌 */
.brand {
  grid-area: brand;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1;
  color: #04160F;
  background: linear-gradient(140deg, var(--cyan), #13B98A);
  clip-path: polygon(0 0, 100% 0, 100% 74%, 74% 100%, 0 100%);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.16; min-width: 0; }
.brand-name {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.4vw, 18px);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  white-space: nowrap;
}
.brand-tag {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
  white-space: nowrap;
}

/* 主导航 */
.primary-nav { grid-area: nav; min-width: 0; }
.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.7vw, 26px);
  flex-wrap: nowrap;
}
.nav-link {
  position: relative;
  display: inline-block;
  padding: 6px 2px;
  font-family: var(--font-display);
  font-size: clamp(13px, 1.15vw, 15px);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  transition: color var(--t) var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t) var(--ease);
}
.nav-link:hover { color: var(--text); }
.nav-link:hover::after,
.nav-link[aria-current="page"]::after { transform: none; }
.nav-link[aria-current="page"] { color: var(--cyan); }

/* 工具区 */
.header-utility {
  grid-area: utility;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 10px;
}
.icon-btn,
.fav-link,
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(10, 42, 33, .6);
  color: var(--text);
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease),
              color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.icon-btn:hover,
.fav-link:hover,
.nav-toggle:hover {
  transform: translateY(-1px);
  border-color: var(--cyan);
  color: var(--cyan);
}
.fav-count {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--orange);
}
.nav-toggle { display: none; border-color: var(--line-strong); }
.nav-toggle-icon { display: flex; flex-direction: column; gap: 4px; width: 16px; }
.nav-toggle-icon span { display: block; height: 1px; background: currentColor; }
.nav-toggle-icon span:last-child { width: 11px; }

/* 联赛刻度条 */
.league-strip {
  grid-area: leagues;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  margin-top: 4px;
  padding: 8px 0 10px;
  border-top: 1px solid var(--line);
  transition: padding var(--t) var(--ease);
}
.site-header[data-scrolled] .league-strip { padding: 5px 0 6px; }
.league-label {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.league-rail {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 2px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.league-rail::-webkit-scrollbar { display: none; }
.league-chip {
  flex: 0 0 auto;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(10, 42, 33, .6);
  color: var(--muted);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  transition: transform var(--t) var(--ease), color var(--t) var(--ease),
              border-color var(--t) var(--ease), background-color var(--t) var(--ease);
}
.league-chip:hover { color: var(--text); border-color: var(--line-strong); transform: translateY(-1px); }
.league-chip[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04160F;
}

/* 搜索抽屉 */
.search-panel {
  display: none;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, #061E17, #04160F);
}
.search-panel[data-open] { display: block; }
.search-panel-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 20px var(--pad-x) 24px;
  display: grid;
  gap: 10px;
}
.search-label {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.search-input {
  width: 100%;
  max-width: 560px;
  padding: 12px 14px;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-num);
  font-size: 15px;
}
.search-input:focus-visible { border-color: var(--cyan); }
.search-hint { font-size: 14px; color: var(--muted); max-width: 62ch; }
.search-hint a { color: var(--cyan); border-bottom: 1px solid rgba(46, 242, 179, .4); }

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width 120ms linear;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 8vw, 140px);
  padding: clamp(48px, 7vw, 96px) 0 28px;
  background:
    linear-gradient(180deg, rgba(27, 20, 64, .6), rgba(4, 22, 15, 0) 48%),
    #061B14;
  border-top: 1px solid var(--line-strong);
  color: var(--text);
}
.footer-inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(230px, 1.15fr) 2.5fr;
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}
.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  max-width: none;
}
.footer-brand-tag {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
  max-width: none;
}
.footer-brand-note {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 34ch;
}
.footer-cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 32px);
}
.footer-col-title {
  margin-bottom: 12px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}
.footer-col ul { display: grid; gap: 8px; }
.footer-col a {
  font-size: 15px;
  color: var(--muted);
  transition: color var(--t) var(--ease);
}
.footer-col a:hover { color: var(--text); }

.footer-meta {
  display: grid;
  gap: 10px;
  padding-top: 22px;
}
.footer-contact {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 100ch;
}
.footer-help { font-size: 14px; color: var(--muted); max-width: none; }
.footer-help a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(46, 242, 179, .35);
}
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--muted);
  max-width: none;
}
.footer-legal-icp { color: var(--amber); }
.footer-legal::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .brand-tag { display: none; }
}

@media (max-width: 1023px) {
  .header-inner {
    grid-template-columns: auto auto;
    grid-template-areas:
      "brand utility"
      "leagues leagues";
  }
  .nav-toggle { display: inline-flex; }

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 8;
    padding: 14px var(--pad-x) 22px;
    background: #04160F;
    border-bottom: 1px solid var(--line-strong);
    box-shadow: 0 22px 40px rgba(0, 0, 0, .5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity var(--t) var(--ease), transform var(--t) var(--ease),
                visibility 0s linear var(--t);
  }
  .primary-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition-delay: 0s;
  }
  .nav-list { flex-direction: column; align-items: stretch; gap: 0; }
  .nav-link {
    display: block;
    width: 100%;
    padding: 13px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
  }
  .nav-link::after { display: none; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand-note { max-width: 52ch; }
}

@media (max-width: 720px) {
  .search-input { max-width: 100%; }
  .league-strip { gap: 8px; }
  .icon-btn,
  .fav-link,
  .nav-toggle { padding: 7px 10px; font-size: 11px; }
  .grid--split { grid-template-columns: 1fr; }
  .data-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
}

@media (max-width: 480px) {
  .brand-mark { width: 32px; height: 32px; font-size: 16px; }
  .brand-name { font-size: 15px; }
  .fav-link { display: none; }
  .footer-cols { grid-template-columns: 1fr; }
  .section { padding: clamp(40px, 9vw, 72px) 0; }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .media-frame.is-zooming:hover img { transform: none; }
}