/* ============================================================
   欧易体育 · 共享站点样式 /assets/site.css
   侧边轨道导航 + 分屏 + 四段联赛赛道 + 切角面板
   ============================================================ */

/* ---------- 1. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; }
a { color: inherit; }
[hidden] { display: none !important; }

/* ---------- 2. Tokens ---------- */
:root {
  color-scheme: dark;

  --ink-900: #08111F;
  --ink-800: #10213A;
  --ink-700: #2C3A4D;
  --mist:    #A7B5C8;
  --cream:   #F4EFE4;
  --turf:    #3E9B63;
  --turf-hi: #59C186;
  --moss:    #6F8F6A;
  --red:     #FF6B6B;
  --yellow:  #FFD166;
  --clay:    #C97B5A;
  --ice:     #7DD3FC;
  --deep:    #0E1A16;

  --line: rgba(167, 181, 200, .16);
  --line-soft: rgba(167, 181, 200, .09);

  --font-display: "Barlow Condensed", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --rail-w: 96px;
  --bar-h: 60px;
  --maxw: 1320px;
  --pad: clamp(18px, 4vw, 56px);
  --cut: 16px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100%;
  background-color: var(--ink-900);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: .01em;
  overflow-x: hidden;
}
body.nav-locked { overflow: hidden; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 800; line-height: 1.12; letter-spacing: -.005em; }
h1, .display-1 {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: .98;
  letter-spacing: -.015em;
  text-wrap: balance;
}
h2, .display-2 { font-size: clamp(1.6rem, 2.6vw, 2.6rem); line-height: 1.06; }
h3, .display-3 { font-family: var(--font-body); font-weight: 700; font-size: clamp(1.1rem, 1.6vw, 1.4rem); line-height: 1.35; }
p { max-width: 68ch; }
small { font-size: 12.5px; }
strong { font-weight: 700; color: var(--cream); }

.lead { font-size: clamp(1rem, 1.2vw, 1.125rem); color: var(--mist); max-width: 62ch; line-height: 1.78; }
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--turf); flex: none; }

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- 4. 布局骨架 ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}
.section { padding-block: clamp(46px, 7vw, 92px); border-top: 1px solid var(--line-soft); }
.section--tight { padding-block: clamp(26px, 4vw, 46px); }
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px 28px;
  margin-bottom: clamp(20px, 3vw, 34px);
}
.section-title { font-size: clamp(1.5rem, 2.4vw, 2.3rem); }
.section-note { font-size: 13.5px; color: var(--mist); max-width: 46ch; }

.grid { display: grid; gap: 24px; }
.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)); }
.grid--split { grid-template-columns: 5fr 7fr; }
.grid--split-rev { grid-template-columns: 7fr 5fr; }

/* ---------- 5. 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1200;
  padding: 10px 18px;
  background: var(--cream);
  color: var(--ink-900);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transform: translateY(-180%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 6. 头部：侧边轨道 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--rail-w);
  z-index: 200;
  display: flex;
  flex-direction: column;
  color: var(--cream);
  background:
    linear-gradient(180deg, #0C1A2C 0%, var(--ink-900) 48%, #060D18 100%);
  border-right: 1px solid var(--line);
}
.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  right: -1px;
  width: 2px;
  height: 96px;
  background: linear-gradient(180deg, var(--turf) 0%, rgba(62, 155, 99, 0) 100%);
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 8px 18px;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--cream);
}
.brand-mark {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--turf), var(--moss));
  clip-path: polygon(0 0, 100% 0, 100% 62%, 62% 100%, 0 100%);
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 6px 6px 8px 6px;
  background: var(--ink-900);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 58% 100%, 0 100%);
}
.brand-text {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 7px;
}
.brand-name {
  writing-mode: vertical-rl;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1;
  letter-spacing: .22em;
  color: var(--cream);
}
.brand-desc {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1;
  letter-spacing: .26em;
  color: var(--mist);
}

/* 移动端菜单按钮：桌面隐藏 */
.nav-toggle { display: none; }
.nav-scrim { display: none; }

/* 导航主体 */
.site-nav {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  padding-top: 10px;
  scrollbar-width: thin;
  scrollbar-color: var(--ink-700) transparent;
}
.drawer-head { display: none; }
.nav-eyebrow { display: none; }

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 6px;
}
.nav-list a {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 10px 4px;
  border-left: 2px solid transparent;
  border-radius: 1px;
  color: var(--mist);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}
.nav-index {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: .1em;
  color: rgba(167, 181, 200, .55);
}
.nav-label { display: block; max-width: 82px; word-break: break-word; }
.nav-list a:hover { background: rgba(244, 239, 228, .06); color: var(--cream); }
.nav-list a[aria-current="page"] {
  color: var(--cream);
  background: linear-gradient(90deg, rgba(62, 155, 99, .3), rgba(62, 155, 99, .06));
  border-left-color: var(--turf);
  box-shadow: inset 0 0 0 1px rgba(62, 155, 99, .22);
}
.nav-list a[aria-current="page"] .nav-index { color: var(--turf-hi); }

/* 轨道底部 */
.nav-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px 8px 18px;
  border-top: 1px solid var(--line);
}
.rail-cta {
  display: block;
  padding: 10px 4px;
  text-align: center;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: .08em;
  text-decoration: none;
  color: #04140C;
  background: var(--turf);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: background .18s var(--ease), transform .18s var(--ease);
}
.rail-cta:hover { background: var(--turf-hi); transform: translateY(-2px); }

.util-list { display: flex; flex-direction: column; gap: 4px; align-items: center; }
.util-link {
  padding: 3px 2px;
  font-size: 11.5px;
  line-height: 1.3;
  letter-spacing: .04em;
  text-align: center;
  text-decoration: none;
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.util-link:hover { color: var(--cream); border-bottom-color: var(--turf); }

/* 阅读进度 */
.rail-progress {
  position: absolute;
  top: 0;
  right: 1px;
  bottom: 0;
  width: 2px;
  background: rgba(167, 181, 200, .1);
  pointer-events: none;
}
.rail-progress__fill {
  display: block;
  width: 100%;
  height: 0;
  background: linear-gradient(180deg, var(--turf) 0%, var(--ice) 100%);
}

/* ---------- 7. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(40px, 6vw, 80px);
  padding-top: clamp(34px, 5vw, 62px);
  color: var(--cream);
  background: linear-gradient(180deg, var(--ink-800) 0%, #0A1526 42%, #050B14 100%);
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--turf) 0 34%, var(--yellow) 34% 40%, var(--ink-700) 40% 100%);
}
.footer-inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.5fr .9fr .9fr 1.3fr;
  gap: clamp(22px, 3vw, 46px);
  padding-bottom: clamp(26px, 4vw, 42px);
}

.footer-brand { max-width: 340px; }
.footer-brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--cream);
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: .08em;
  line-height: 1;
}
.footer-brand-desc {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}
.footer-tagline {
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 34ch;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--mist);
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}
.footer-links { display: flex; flex-direction: column; gap: 9px; }
.footer-links a {
  font-size: 14px;
  text-decoration: none;
  color: rgba(244, 239, 228, .86);
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.footer-links a:hover { color: var(--cream); border-bottom-color: var(--turf); }

.footer-contact-list { display: flex; flex-direction: column; gap: 10px; }
.footer-contact-list li { display: flex; flex-direction: column; gap: 1px; }
.contact-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: rgba(167, 181, 200, .8);
}
.contact-value {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--cream);
  word-break: break-word;
}
.contact-note {
  margin-top: 12px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 36ch;
}

/* 进度条 */
.footer-progress {
  display: grid;
  gap: 12px;
  padding: 18px 20px 20px;
  margin-bottom: clamp(20px, 3vw, 32px);
  background: linear-gradient(180deg, rgba(14, 26, 22, .86), rgba(16, 33, 58, .6));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}
.progress-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
}
.progress-title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cream);
}
.progress-note { font-size: 12px; color: var(--mist); }

.round-bar {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
}
.round-bar__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--mist);
}
.round-bar__track {
  position: relative;
  display: block;
  height: 6px;
  background: rgba(167, 181, 200, .16);
  overflow: hidden;
}
.round-bar__fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--turf) 0%, var(--turf-hi) 100%);
  transition: width .8s var(--ease);
}
.round-bar__fill.is-done { width: 100%; }
.round-bar__fill.is-live { width: 62%; background: linear-gradient(90deg, var(--turf) 0%, var(--yellow) 100%); }
.round-bar__state {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  padding: 2px 8px;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.round-bar__state.is-done { color: var(--turf-hi); }
.round-bar__state.is-live { color: var(--yellow); }

/* 法律条 */
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 26px;
  padding: 18px 0 24px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: rgba(167, 181, 200, .82);
}
.legal-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; max-width: none; }
.legal-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.legal-links a {
  text-decoration: none;
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.legal-links a:hover { color: var(--cream); border-bottom-color: var(--turf); }

/* ---------- 8. 通用组件 ---------- */
/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: 12px 22px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1.2;
  text-decoration: none;
  border: 1px solid var(--ink-700);
  color: var(--cream);
  background: transparent;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 11px 100%, 0 calc(100% - 11px));
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease), transform .18s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn--primary { background: var(--turf); border-color: var(--turf); color: #04140C; }
.btn--primary:hover { background: var(--turf-hi); border-color: var(--turf-hi); }
.btn--ghost { border-color: rgba(167, 181, 200, .5); color: var(--cream); }
.btn--ghost:hover { border-color: var(--cream); background: rgba(244, 239, 228, .08); }
.btn--signal { background: var(--cream); border-color: var(--cream); color: var(--ink-900); }
.btn--signal:hover { background: #fff; }

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .4em;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.7;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.tag--green { color: var(--turf-hi); }
.tag--yellow { color: var(--yellow); }
.tag--red { color: var(--red); }
.tag--clay { color: var(--clay); }
.tag--live::before { content: ""; width: 6px; height: 6px; background: currentColor; border-radius: 50%; }

/* 面板 */
.panel {
  padding: clamp(16px, 2vw, 26px);
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
}
.panel--cut {
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}
.panel--deep { background: var(--deep); }

/* 面包屑 */
.breadcrumbs {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--mist);
  padding-block: 16px;
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.breadcrumbs li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumbs li + li::before { content: "/"; color: rgba(167, 181, 200, .5); }
.breadcrumbs a { text-decoration: none; color: var(--mist); }
.breadcrumbs a:hover { color: var(--cream); }
.breadcrumbs [aria-current="page"] { color: var(--cream); }

/* 四段联赛赛道 */
.league-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
  overflow: hidden;
}
.track-tab {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 13px 16px;
  text-align: left;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--mist);
  border-right: 1px solid var(--ink-700);
  cursor: pointer;
  transition: background .22s var(--ease), color .22s var(--ease);
}
.track-tab:last-child { border-right: 0; }
.track-tab:hover { background: rgba(244, 239, 228, .05); color: var(--cream); }
.track-tab[aria-pressed="true"] { color: var(--cream); background: rgba(62, 155, 99, .14); }
.track-tab[aria-pressed="true"]::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--turf);
}
.track-tab__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .16em;
  color: rgba(167, 181, 200, .7);
}
.track-tab--all .track-tab__no { color: var(--clay); }
.track-hint {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* 媒体容器基础规则（页面阶段放图片占位） */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background-color: var(--ink-800);
  background-image:
    repeating-linear-gradient(115deg, rgba(62, 155, 99, .1) 0 1px, transparent 1px 22px),
    linear-gradient(160deg, #12253D 0%, #0B1626 100%);
  border: 1px solid var(--ink-700);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}
.media-frame img,
.media-frame video,
.media-frame svg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(180deg, rgba(8, 17, 31, 0) 55%, rgba(8, 17, 31, .72) 100%);
}
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--3x4 { aspect-ratio: 3 / 4; }
.media-frame__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  color: var(--ink-900);
  background: var(--yellow);
}

/* 表格 */
.table-wrap {
  overflow-x: auto;
  background: var(--ink-800);
  border: 1px solid var(--ink-700);
}
.data-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}
.data-table caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--mist);
}
.data-table th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
  background: #0D1B2E;
  border-bottom: 1px solid var(--ink-700);
  white-space: nowrap;
}
.data-table td {
  padding: 11px 14px;
  color: rgba(244, 239, 228, .9);
  border-bottom: 1px solid rgba(44, 58, 77, .6);
}
.data-table tbody tr:hover { background: rgba(244, 239, 228, .04); }
.data-table .num { color: var(--cream); }

/* ---------- 9. 响应式 ---------- */
@media (min-width: 1024px) {
  body { padding-left: var(--rail-w); }
}

@media (max-width: 1023px) {
  body { padding-left: 0; padding-top: var(--bar-h); }

  .site-header {
    right: 0;
    bottom: auto;
    left: 0;
    width: auto;
    height: var(--bar-h);
    flex-direction: row;
    align-items: center;
    background: #08111F;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .site-header::before { display: none; }

  .header-bar {
    flex: 1 1 auto;
    height: 100%;
    justify-content: space-between;
    padding: 0 14px;
    border-bottom: 0;
  }
  .brand { flex-direction: row; align-items: center; gap: 10px; }
  .brand-mark { width: 22px; height: 22px; }
  .brand-mark::after { inset: 5px 5px 7px 5px; }
  .brand-text { flex-direction: row; align-items: baseline; gap: 9px; }
  .brand-name { writing-mode: horizontal-tb; font-size: 17px; letter-spacing: .1em; }
  .brand-desc {
    writing-mode: horizontal-tb;
    font-size: 10px;
    letter-spacing: .14em;
    color: var(--mist);
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 46px;
    height: 44px;
    border: 1px solid rgba(167, 181, 200, .32);
    color: var(--cream);
    cursor: pointer;
    transition: border-color .18s var(--ease), background .18s var(--ease);
  }
  .nav-toggle:hover { border-color: var(--turf); background: rgba(62, 155, 99, .12); }
  .nav-toggle-bars { display: flex; flex-direction: column; gap: 4px; width: 18px; }
  .nav-toggle-bars i {
    display: block;
    height: 2px;
    background: currentColor;
    transition: transform .22s var(--ease), opacity .18s var(--ease);
  }
  .nav-toggle-label {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: .14em;
    color: var(--mist);
  }
  .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); }
  .nav-toggle[aria-expanded="true"] .nav-toggle-label { color: var(--cream); }

  .nav-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 210;
    background: rgba(4, 9, 16, .74);
    opacity: 0;
    visibility: hidden;
    border: 0;
    transition: opacity .24s var(--ease), visibility .24s var(--ease);
  }
  .site-header[data-open] .nav-scrim { opacity: 1; visibility: visible; }

  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(87vw, 340px);
    z-index: 220;
    display: flex;
    flex-direction: column;
    padding: 0 0 22px;
    overflow-y: auto;
    background: linear-gradient(180deg, #0C1A2C 0%, #08111F 58%, #060D18 100%);
    border-right: 1px solid rgba(167, 181, 200, .22);
    box-shadow: 26px 0 64px rgba(0, 0, 0, .55);
    transform: translateX(-102%);
    transition: transform .26s var(--ease);
  }
  .site-header[data-open] .site-nav { transform: translateX(0); }

  .drawer-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 16px 14px;
    border-bottom: 1px solid var(--line);
    background: #0C1A2C;
  }
  .drawer-title {
    display: block;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 16px;
    letter-spacing: .14em;
    line-height: 1.2;
  }
  .drawer-sub {
    display: block;
    margin-top: 3px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: .18em;
    color: var(--mist);
  }
  .drawer-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    font-size: 20px;
    line-height: 1;
    color: var(--cream);
    border: 1px solid rgba(167, 181, 200, .32);
    cursor: pointer;
  }
  .drawer-close:hover { border-color: var(--red); color: var(--red); }

  .nav-eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px 6px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: .2em;
    color: var(--mist);
  }
  .nav-eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--turf); }

  .nav-list { padding: 4px 10px 12px; gap: 2px; }
  .nav-list a {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 13px 12px;
    font-size: 15px;
    text-align: left;
    border-left-width: 2px;
  }
  .nav-index { width: 22px; flex: none; font-size: 11px; }
  .nav-label { max-width: none; }

  .nav-foot {
    margin-top: auto;
    padding: 16px 18px 4px;
    gap: 14px;
  }
  .rail-cta { padding: 13px 10px; font-size: 14px; }
  .util-list { flex-direction: row; flex-wrap: wrap; justify-content: flex-start; gap: 8px 18px; }
  .util-link { font-size: 12.5px; text-align: left; }

  .rail-progress { display: none; }

  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; max-width: none; }
}

@media (max-width: 860px) {
  .grid--2, .grid--3, .grid--4, .grid--split, .grid--split-rev { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 26px; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .league-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .track-tab { flex: 0 0 auto; min-width: 138px; scroll-snap-align: start; }
  .round-bar { grid-template-columns: 66px minmax(0, 1fr) auto; gap: 10px; }
  .round-bar__label { font-size: 10.5px; letter-spacing: .08em; }
  .footer-progress { padding: 16px 14px 18px; }
  .data-table th:first-child,
  .data-table td:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: #0D1B2E;
    box-shadow: 1px 0 0 var(--ink-700);
  }
  .btn { width: 100%; }
}

/* ---------- 10. 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .rail-cta:hover, .btn:hover { transform: none; }
}