/* ==========================================================
   乐游体育看台 · 共享样式 /assets/site.css
   夜赛看台：深墨蓝底 + 夜灯绿主行为 + 看台橙标签 + 记分牌红提示
   ========================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 168px; }
body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote, dl, dd { margin: 0; padding: 0; }
ul, ol { 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; cursor: pointer; }
[hidden] { display: none !important; }

:root {
  --ink: #0B1220;
  --ink-2: #14213A;
  --ink-3: #1B2B49;
  --green: #16D98C;
  --orange: #FF7A29;
  --red: #F2404B;
  --mint: #A8F0D2;
  --paper: #F5F7FA;
  --slate: #8296B4;
  --gold: #D9A64B;

  --line: rgba(130, 150, 180, .22);
  --line-strong: rgba(22, 217, 140, .42);
  --ink-soft: #D7DEEA;
  --paper-ink: #26344C;

  --radius-s: 12px;
  --radius-m: 18px;
  --radius-l: 26px;
  --pill: 999px;

  --shadow-1: 0 18px 40px -26px rgba(0, 0, 0, .9);
  --shadow-2: 0 28px 60px -32px rgba(3, 8, 18, .95);

  --maxw: 1200px;
  --maxw-wide: 1360px;
  --gutter: clamp(16px, 4vw, 40px);
  --ease: cubic-bezier(.22, .61, .36, 1);

  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", Georgia, serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.78;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    radial-gradient(900px 440px at 10% -8%, rgba(22, 217, 140, .17), transparent 62%),
    radial-gradient(760px 400px at 94% 2%, rgba(255, 122, 41, .13), transparent 60%),
    radial-gradient(720px 540px at 50% 110%, rgba(217, 166, 75, .09), transparent 66%),
    linear-gradient(180deg, #0B1220 0%, #0E1729 44%, #0A111E 100%);
  background-attachment: fixed;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .55;
  background-image:
    linear-gradient(rgba(130, 150, 180, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(130, 150, 180, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 18%, transparent 76%);
  mask-image: radial-gradient(circle at 50% 0%, #000 18%, transparent 76%);
}

main, .site-footer { position: relative; z-index: 1; }

:focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------------- 布局容器 ---------------- */
.container {
  width: calc(100% - var(--gutter) * 2);
  max-width: var(--maxw);
  margin-inline: auto;
}
.container--wide { max-width: var(--maxw-wide); }

.band { position: relative; padding: clamp(48px, 7vw, 96px) 0; }
.band--tight { padding: clamp(30px, 4vw, 52px) 0; }
.band--ink2 {
  background:
    linear-gradient(180deg, rgba(20, 33, 58, .92), rgba(11, 18, 32, .86));
  border-block: 1px solid var(--line);
}
.band--glow {
  background:
    radial-gradient(620px 300px at 14% 0%, rgba(22, 217, 140, .22), transparent 66%),
    radial-gradient(560px 300px at 88% 100%, rgba(255, 122, 41, .18), transparent 64%),
    linear-gradient(120deg, rgba(20, 33, 58, .96), rgba(11, 18, 32, .96));
  border-block: 1px solid var(--line);
}
.band--ember {
  background:
    linear-gradient(180deg, rgba(255, 122, 41, .16), transparent 72%),
    var(--ink-2);
  border-block: 1px solid var(--line);
}
.band--paper {
  background: linear-gradient(180deg, #FFFFFF, var(--paper) 60%, #EDF2F8);
  color: var(--paper-ink);
  border-block: 1px solid rgba(11, 18, 32, .1);
}
.band--paper .btn--ghost { color: var(--ink); border-color: rgba(11, 18, 32, .28); background: rgba(11, 18, 32, .04); }
.band--paper .btn--ghost:hover { border-color: #0E9E67; color: #0E9E67; }

/* ---------------- 通用排版组件 ---------------- */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--orange);
}
.kicker::before { content: ""; width: 28px; height: 2px; border-radius: 2px; background: currentColor; }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px 28px;
  margin-bottom: clamp(22px, 3vw, 38px);
}
.section-head__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 3.5vw, 42px);
  line-height: 1.12;
  letter-spacing: .02em;
  transform: skewX(-1.6deg);
  transform-origin: left bottom;
}
.section-head__desc { max-width: 54ch; font-size: 16px; color: var(--slate); }
.band--paper .section-head__desc { color: var(--paper-ink); opacity: .78; }

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

.prose { max-width: 74ch; font-size: 17.5px; line-height: 1.9; color: var(--ink-soft); }
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.25;
  color: var(--paper);
  transform: skewX(-1.4deg);
  transform-origin: left bottom;
  margin-top: 1.9em;
}
.prose h3 { font-size: 19px; font-weight: 800; color: var(--mint); }
.prose a { color: var(--green); border-bottom: 1px solid rgba(22, 217, 140, .45); }
.prose ul { display: grid; gap: .62em; }
.prose li { position: relative; padding-left: 20px; }
.prose li::before {
  content: "";
  position: absolute;
  left: 0; top: .66em;
  width: 8px; height: 8px;
  border-radius: 2px;
  background: var(--orange);
  transform: skewX(-14deg);
}
.prose blockquote { padding-left: 18px; border-left: 3px solid var(--green); color: var(--slate); }
.band--paper .prose { color: var(--paper-ink); }
.band--paper .prose h2 { color: var(--ink); }
.band--paper .prose h3 { color: #0E7A54; }
.band--paper .prose a { color: #0B7A54; border-bottom-color: rgba(11, 122, 84, .4); }
.band--paper .prose blockquote { color: #46587A; }

/* ---------------- 面包屑 ---------------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate);
}
.crumbs__link { color: var(--slate); transition: color .2s var(--ease); }
.crumbs__link:hover { color: var(--green); }
.crumbs__sep { color: rgba(130, 150, 180, .5); }
.crumbs__current { color: var(--paper); }
.band--paper .crumbs__current { color: var(--ink); }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .06em;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.btn--primary {
  background: linear-gradient(120deg, var(--green), #7CE7BC);
  color: #04170E;
  box-shadow: 0 18px 34px -22px rgba(22, 217, 140, .95);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 24px 42px -20px rgba(22, 217, 140, 1); }
.btn--ghost {
  color: var(--paper);
  background: rgba(22, 217, 140, .07);
  border-color: var(--line-strong);
}
.btn--ghost:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); }
.btn--orange {
  background: linear-gradient(120deg, var(--orange), #FFB37A);
  color: #2A1102;
  box-shadow: 0 18px 34px -24px rgba(255, 122, 41, .95);
}
.btn--orange:hover { transform: translateY(-2px); }
.btn--sm { padding: 9px 16px; font-size: 13.5px; letter-spacing: .05em; }

/* ---------------- 标签 ---------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .08em;
  white-space: nowrap;
}
.tag--league { color: var(--orange); border-color: rgba(255, 122, 41, .5); background: rgba(255, 122, 41, .13); }
.tag--season { color: var(--mint); border-color: rgba(168, 240, 210, .42); background: rgba(168, 240, 210, .1); }
.tag--live { color: #FFFFFF; background: var(--red); border-color: transparent; }
.tag--gold { color: var(--gold); border-color: rgba(217, 166, 75, .48); background: rgba(217, 166, 75, .12); }

/* ---------------- 数字锚点 ---------------- */
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--green);
}
.stat__label { font-size: 14px; letter-spacing: .08em; color: var(--slate); }
.band--paper .stat__num { color: #0E9E67; }
.band--paper .stat__label { color: var(--paper-ink); opacity: .72; }

/* ---------------- 卡片 / 展签 ---------------- */
.tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(160deg, rgba(20, 33, 58, .94), rgba(11, 18, 32, .9));
  box-shadow: var(--shadow-1);
  overflow: hidden;
  transition: transform .28s var(--ease), border-color .28s var(--ease), box-shadow .28s var(--ease);
}
.tile::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--orange));
  opacity: .3;
  transition: opacity .28s var(--ease);
}
.tile:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow-2); }
.tile:hover::after { opacity: 1; }
.tile__kicker { font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em; color: var(--orange); }
.tile__title { font-family: var(--font-display); font-weight: 800; font-size: 20px; line-height: 1.35; }
.tile__meta { font-family: var(--font-mono); font-size: 13px; color: var(--slate); }
.band--paper .tile {
  background: #FFFFFF;
  border-color: rgba(11, 18, 32, .12);
  color: var(--ink);
}
.band--paper .tile__meta { color: #5A6B87; }

/* ---------------- 栅格与分栏 ---------------- */
.grid { display: grid; gap: clamp(14px, 2vw, 22px); }
.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--stagger > *:nth-child(even) { margin-top: clamp(16px, 3vw, 34px); }

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, .85fr);
  gap: clamp(20px, 3vw, 46px);
  align-items: start;
}
.split--reverse { grid-template-columns: minmax(0, .85fr) minmax(0, 1.4fr); }

/* ---------------- 媒体容器（供页面阶段放置图片） ---------------- */
.media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(140deg, var(--ink-2), var(--ink));
  box-shadow: var(--shadow-2);
}
.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05) brightness(.9);
}
.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 18, 32, .12), rgba(11, 18, 32, .8));
}
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }
.media--square { aspect-ratio: 1 / 1; }
.media__badge { position: absolute; z-index: 2; top: 16px; left: 16px; }
.media__caption {
  position: absolute;
  z-index: 2;
  inset: auto 0 0 0;
  padding: 18px;
  font-size: 14px;
  color: var(--paper);
}
.media--placeholder {
  background-image:
    repeating-linear-gradient(135deg, rgba(130, 150, 180, .1) 0 2px, transparent 2px 14px),
    linear-gradient(140deg, var(--ink-2), var(--ink));
}

/* ---------------- 贯穿比分条 ---------------- */
.scorebar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 16px;
  width: calc(100% - var(--gutter) * 2);
  max-width: var(--maxw-wide);
  margin-inline: auto;
  padding: 16px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(100deg, rgba(20, 33, 58, .96), rgba(11, 18, 32, .96));
  box-shadow: var(--shadow-2);
}
.scorebar__team { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.scorebar__team--away { justify-content: flex-end; text-align: right; }
.scorebar__score {
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 700;
  line-height: 1;
  color: var(--green);
}
.scorebar__sep { color: var(--slate); }
.scorebar__note { font-family: var(--font-mono); font-size: 12px; letter-spacing: .2em; color: var(--slate); }

/* ---------------- 目录索引 ---------------- */
.index-list { display: grid; border-top: 1px solid var(--line); }
.index-list__item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  transition: padding-left .24s var(--ease), background .24s var(--ease);
}
.index-list__item:hover,
.index-list__item:focus-visible {
  padding-left: 16px;
  background: linear-gradient(90deg, rgba(22, 217, 140, .12), transparent);
}
.index-list__no { flex: 0 0 auto; font-family: var(--font-mono); font-size: 13px; color: var(--orange); }
.index-list__label { font-weight: 700; font-size: 17px; }
.index-list__route { margin-left: auto; font-family: var(--font-mono); font-size: 12.5px; color: var(--slate); }
.band--paper .index-list,
.band--paper .index-list__item { border-color: rgba(11, 18, 32, .12); }
.band--paper .index-list__route { color: #5A6B87; }

/* ---------------- 时间轴 ---------------- */
.timeline { position: relative; display: grid; gap: 20px; padding-left: 28px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 6px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--green), var(--orange), transparent);
}
.timeline__item { position: relative; }
.timeline__dot {
  position: absolute;
  left: -28px;
  top: 7px;
  width: 14px; height: 14px;
  border: 3px solid var(--orange);
  border-radius: 50%;
  background: var(--ink);
}
.timeline__label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--orange);
}

/* ---------------- 可展开步骤 ---------------- */
.step {
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: rgba(20, 33, 58, .62);
  overflow: hidden;
  transition: border-color .24s var(--ease);
}
.step + .step { margin-top: 10px; }
.step[open] { border-color: var(--line-strong); }
.step__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.step__summary::-webkit-details-marker { display: none; }
.step__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--green);
}
.step[open] .step__summary::after { content: "–"; }
.step__num {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 32px; height: 32px;
  border-radius: 10px;
  background: rgba(168, 240, 210, .18);
  color: var(--mint);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}
.step__body { padding: 0 18px 18px 64px; font-size: 16px; color: var(--slate); line-height: 1.85; }
.band--paper .step { background: #FFFFFF; border-color: rgba(11, 18, 32, .12); color: var(--ink); }
.band--paper .step__body { color: #46587A; }

/* ---------------- 主题筛选 ---------------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: fit-content;
  max-width: 100%;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(11, 18, 32, .62);
}
.filter-btn {
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--slate);
  transition: color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}
.filter-btn:hover { color: var(--paper); transform: translateY(-1px); }
.filter-btn[aria-pressed="true"] {
  background: linear-gradient(120deg, var(--green), #8FF0C6);
  color: #04170E;
}
.filter-status { font-family: var(--font-mono); font-size: 13px; color: var(--slate); }
.band--paper .filter-bar { background: rgba(11, 18, 32, .05); border-color: rgba(11, 18, 32, .16); }
.band--paper .filter-btn { color: #46587A; }
.band--paper .filter-btn:hover { color: var(--ink); }
.band--paper .filter-status { color: #5A6B87; }

/* ---------------- 吸顶章节锚点 ---------------- */
.anchor-nav { position: sticky; top: 172px; display: flex; flex-direction: column; gap: 4px; }
.anchor-nav__link {
  display: block;
  padding: 8px 14px;
  border-left: 2px solid var(--line);
  font-size: 14.5px;
  color: var(--slate);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.anchor-nav__link:hover { color: var(--paper); border-color: var(--orange); }
.anchor-nav__link[aria-current="true"] {
  color: var(--green);
  border-color: var(--green);
  background: rgba(22, 217, 140, .1);
  font-weight: 700;
}
.band--paper .anchor-nav__link { color: #5A6B87; }
.band--paper .anchor-nav__link[aria-current="true"] { color: #0B7A54; border-color: #0B7A54; background: rgba(11, 122, 84, .08); }

/* ---------------- 入视显现 ---------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ================= 页头 ================= */
.skip-link {
  position: absolute;
  left: 16px;
  top: -70px;
  z-index: 130;
  padding: 10px 20px;
  border-radius: 0 0 var(--radius-s) var(--radius-s);
  background: var(--green);
  color: #04170E;
  font-weight: 800;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(180deg, rgba(11, 18, 32, .98), rgba(20, 33, 58, .9));
  border-bottom: 1px solid var(--line);
  box-shadow: 0 24px 48px -36px rgba(0, 0, 0, .95);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.scroll-progress {
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  overflow: hidden;
  background: rgba(130, 150, 180, .16);
}
.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--green), var(--orange), var(--red));
  transition: width .12s linear;
}

.score-strip {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(22, 217, 140, .12), rgba(20, 33, 58, .5) 42%, rgba(255, 122, 41, .12));
}
.score-strip__list {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.score-strip__list::-webkit-scrollbar { display: none; }
.score-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 13px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(11, 18, 32, .55);
  font-size: 13px;
  white-space: nowrap;
}
.score-chip__num { font-family: var(--font-mono); font-weight: 700; font-size: 13.5px; color: var(--green); }
.score-chip__label { color: var(--slate); }
.score-chip--live .score-chip__num { color: var(--red); }
.score-chip--gold .score-chip__num { color: var(--gold); }

.masthead { padding: 14px 0 10px; }
.masthead__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-areas: "util brand act";
  align-items: center;
  gap: 18px;
}
.masthead__utility {
  grid-area: util;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: flex-start;
}
.utility-link {
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--slate);
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.utility-link:hover, .utility-link:focus-visible { color: var(--green); border-bottom-color: var(--green); }

.masthead__brand { grid-area: brand; justify-self: center; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand__mark {
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border-radius: 14px;
  background: linear-gradient(140deg, var(--green), #0E9E67 58%, var(--orange));
  color: #04170E;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: .04em;
  transform: skewX(-7deg);
  box-shadow: inset 0 0 0 1px rgba(168, 240, 210, .35), 0 16px 30px -20px rgba(22, 217, 140, .95);
}
.brand__text { display: flex; flex-direction: column; gap: 2px; text-align: left; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(21px, 2.3vw, 29px);
  line-height: 1.1;
  letter-spacing: .08em;
  color: var(--paper);
}
.brand__tagline { font-size: 12.5px; letter-spacing: .26em; color: var(--slate); }

.masthead__actions {
  grid-area: act;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  align-items: center;
}

.nav-toggle {
  grid-area: tog;
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: rgba(22, 217, 140, .1);
  color: var(--paper);
  font-size: 14px;
  font-weight: 800;
}
.nav-toggle__bars { display: grid; gap: 4px; }
.nav-toggle__bars i {
  display: block;
  width: 18px; height: 2px;
  border-radius: 2px;
  background: var(--green);
  transition: transform .26s var(--ease), opacity .2s var(--ease);
}
.site-header[data-open] .nav-toggle__bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
.nav-toggle__label { letter-spacing: .1em; }

.site-nav {
  border-top: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(20, 33, 58, .7), rgba(11, 18, 32, .7));
}
.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  padding: 9px 0;
}
.site-nav__link {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--slate);
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.site-nav__link:hover { color: var(--paper); background: rgba(22, 217, 140, .13); border-color: var(--line-strong); }
.site-nav__link[aria-current="page"] {
  color: #04170E;
  background: linear-gradient(120deg, var(--green), #8FF0C6);
  border-color: transparent;
  box-shadow: 0 14px 28px -20px rgba(22, 217, 140, 1);
}

/* ================= 页脚 ================= */
.site-footer {
  margin-top: clamp(40px, 6vw, 84px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 33, 58, .86), #070D18 62%);
}
.footer-rule {
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(22, 217, 140, .62), rgba(255, 122, 41, .58), transparent);
}
.footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr) minmax(0, .85fr) minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  padding: clamp(36px, 5vw, 66px) 0 clamp(24px, 3vw, 36px);
}
.footer__pitch { margin-top: 16px; max-width: 36ch; font-size: 15px; color: var(--slate); }
.footer__note {
  margin-top: 14px;
  max-width: 40ch;
  padding-top: 12px;
  border-top: 1px dashed rgba(130, 150, 180, .3);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(130, 150, 180, .9);
}
.footer__col-title {
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: .14em;
  color: var(--mint);
}
.footer__links { display: grid; gap: 10px; justify-items: start; }
.footer__link {
  display: inline-block;
  font-size: 15px;
  color: var(--slate);
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.footer__link:hover, .footer__link:focus-visible { color: var(--green); transform: translateX(3px); }
.brand--footer .brand__mark { width: 54px; height: 54px; border-radius: 16px; font-size: 19px; }
.brand--footer .brand__name { font-size: 24px; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 18px 0 30px;
  border-top: 1px solid var(--line);
}
.footer__legal {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold);
}
.footer__service { max-width: 68ch; font-size: 13px; color: var(--slate); }

.to-top {
  position: fixed;
  right: clamp(16px, 4vw, 34px);
  bottom: clamp(16px, 4vw, 34px);
  z-index: 95;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: rgba(11, 18, 32, .92);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s var(--ease), border-color .2s var(--ease);
}
.to-top[data-visible] { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { border-color: var(--green); color: var(--green); }

/* ================= 响应式 ================= */
@media (max-width: 1180px) {
  .footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 1024px) {
  :root { --gutter: clamp(16px, 4vw, 28px); }
  html { scroll-padding-top: 150px; }
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split, .split--reverse { grid-template-columns: minmax(0, 1fr); }
  .anchor-nav { position: static; flex-direction: row; flex-wrap: wrap; top: auto; }
  .anchor-nav__link { border-left: 0; border-bottom: 2px solid var(--line); }
  .anchor-nav__link[aria-current="true"] { border-color: var(--green); }
}

@media (max-width: 900px) {
  body { font-size: 16.5px; }
  .site-header { position: sticky; }
  .masthead__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand tog"
      "act act"
      "util util";
    gap: 12px;
    padding-bottom: 12px;
  }
  .masthead__brand { justify-self: start; }
  .brand__text { text-align: left; }
  .masthead__actions { justify-content: flex-start; }
  .masthead__utility { justify-content: flex-start; gap: 14px; }
  .nav-toggle { display: inline-flex; }
  .site-nav { display: none; }
  .site-header[data-open] .site-nav { display: block; animation: nav-in .28s var(--ease) both; }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 4px; padding: 10px 0 18px; }
  .site-nav__link { display: block; text-align: center; padding: 12px 16px; font-size: 16px; }
  .scorebar { grid-template-columns: 1fr; text-align: center; gap: 10px; padding: 18px; }
  .scorebar__team--away { justify-content: center; text-align: center; }
  .scorebar__team { justify-content: center; }
  .footer__inner { grid-template-columns: minmax(0, 1fr); }
}

@keyframes nav-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  html { scroll-padding-top: 130px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
  .grid--stagger > *:nth-child(even) { margin-top: 0; }
  .tile { padding: 18px; }
  .section-head { align-items: flex-start; }
  .step__body { padding-left: 18px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .to-top { right: 16px; bottom: 16px; }
  .crumbs { font-size: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .tile:hover, .btn:hover { transform: none; }
}