/* =========================================================
   b体育在线 · 共享样式 /assets/site.css
   夜间球场绿底 + 荧光青柠高亮 + 暖金强调 + 硬边数据面板
   ========================================================= */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 108px; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, figcaption, blockquote, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

/* ---------- tokens ---------- */
:root {
  --c-night: #081C14;
  --c-ink: #0E1B2A;
  --c-rock: #262B27;
  --c-moss: #3E6B4F;
  --c-lime: #C8FF4D;
  --c-gold: #D6A34A;
  --c-clay: #B5654A;
  --c-cream: #F4F0E6;
  --c-sage: #8FA39A;
  --c-flood: #E8FFF3;

  --c-line: rgba(143, 163, 154, .20);
  --c-line-strong: rgba(143, 163, 154, .42);

  --shell: 1240px;
  --gutter: clamp(16px, 4vw, 48px);
  --r: 4px;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "SFMono-Regular", "JetBrains Mono", "Cascadia Mono", Consolas, "Liberation Mono", Menlo, monospace;
  --font-serif: Georgia, "Songti SC", "Noto Serif SC", "Source Han Serif SC", serif;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- base ---------- */
body {
  min-height: 100vh;
  background-color: var(--c-night);
  background-image:
    radial-gradient(1100px 620px at 84% -8%, rgba(200, 255, 77, .075), transparent 62%),
    radial-gradient(900px 560px at -12% 108%, rgba(62, 107, 79, .30), transparent 68%),
    linear-gradient(180deg, #081C14 0%, #071710 100%);
  background-attachment: fixed;
  color: var(--c-cream);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

::selection { background: rgba(200, 255, 77, .28); color: var(--c-flood); }

/* ---------- 中文与标题排版 ---------- */
h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.005em;
  color: var(--c-flood);
}

.display {
  font-family: var(--font-sans);
  font-stretch: 87.5%;
  text-transform: uppercase;
  font-weight: 800;
  font-size: clamp(44px, 10.5vw, 124px);
  line-height: .9;
  letter-spacing: -.02em;
  color: var(--c-flood);
}
.display em { font-style: normal; color: var(--c-lime); }

.headline {
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.18;
  letter-spacing: -.01em;
  font-weight: 800;
}
.headline--serif { font-family: var(--font-serif); font-weight: 700; letter-spacing: .005em; }

.subhead { font-size: clamp(17px, 2vw, 21px); font-weight: 700; line-height: 1.42; }

.lede {
  font-size: clamp(16px, 1.6vw, 18.5px);
  line-height: 1.85;
  color: #DCE3DD;
  max-width: 64ch;
}

.prose { max-width: 72ch; color: #E2E7E1; font-size: 16px; line-height: 1.85; }
.prose p + p { margin-top: 1.1em; }
.prose h2 { margin-top: 2em; font-size: clamp(20px, 2.4vw, 26px); }
.prose h3 { margin-top: 1.6em; font-size: clamp(17px, 2vw, 20px); }
.prose ul { margin-top: 1em; display: grid; gap: .55em; }
.prose ul li { position: relative; padding-left: 18px; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: .74em;
  width: 8px; height: 1px;
  background: var(--c-lime);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-lime);
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; }

.data-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--c-flood);
}
.data-num--lime { color: var(--c-lime); }
.data-num--gold { color: var(--c-gold); }

.link {
  color: var(--c-cream);
  border-bottom: 1px solid rgba(200, 255, 77, .5);
  padding-bottom: 1px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.link:hover { color: var(--c-lime); border-color: var(--c-lime); }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* ---------- 布局工具 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { position: relative; padding-block: clamp(36px, 6vw, 84px); }
.section--tight { padding-block: clamp(20px, 3vw, 42px); }
.section--ink {
  background: linear-gradient(180deg, rgba(14, 27, 42, .58), rgba(8, 28, 20, 0));
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.section__head {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.rule { height: 1px; width: 100%; background: var(--c-line); border: 0; margin-block: clamp(20px, 3vw, 34px); }

.stack { display: flex; flex-direction: column; gap: var(--stack-gap, 18px); }
.stack--lg { --stack-gap: clamp(24px, 4vw, 44px); }
.cluster { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }

.grid { display: grid; gap: clamp(16px, 2.4vw, 28px); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); }

.split { display: grid; gap: clamp(22px, 4vw, 56px); align-items: start; }
@media (min-width: 900px) {
  .split { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); }
  .split--reverse { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
  .split--even { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
}

/* ---------- 按钮与标签 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid var(--c-line-strong);
  border-radius: 3px;
  background: rgba(14, 27, 42, .6);
  color: var(--c-cream);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  transition: transform .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover { border-color: var(--c-lime); color: var(--c-lime); transform: translateY(-1px); }

.btn--primary { background: var(--c-lime); border-color: var(--c-lime); color: var(--c-night); }
.btn--primary:hover { background: #DCFF82; color: var(--c-night); box-shadow: 0 16px 34px -22px rgba(200, 255, 77, .95); }

.btn--gold { background: transparent; border-color: rgba(214, 163, 74, .6); color: var(--c-gold); }
.btn--gold:hover { border-color: var(--c-gold); color: var(--c-gold); background: rgba(214, 163, 74, .1); }

.btn--ghost { background: transparent; border-color: var(--c-line); color: var(--c-sage); }
.btn--ghost:hover { color: var(--c-cream); border-color: var(--c-line-strong); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: rgba(38, 43, 39, .5);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--c-sage);
}
.tag--lime { color: var(--c-lime); border-color: rgba(200, 255, 77, .4); }
.tag--gold { color: var(--c-gold); border-color: rgba(214, 163, 74, .45); }
.tag--clay { color: var(--c-clay); border-color: rgba(181, 101, 74, .52); }

/* ---------- 页头 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -70px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 3px;
  background: var(--c-lime);
  color: var(--c-night);
  font-weight: 800;
  letter-spacing: .06em;
  transition: top .2s var(--ease);
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(8, 28, 20, .96);
  border-bottom: 1px solid var(--c-line);
  -webkit-backdrop-filter: saturate(140%) blur(7px);
  backdrop-filter: saturate(140%) blur(7px);
}
.site-header[data-scrolled] {
  background: rgba(8, 28, 20, .995);
  box-shadow: 0 22px 46px -34px rgba(0, 0, 0, .95);
}

.site-header__bar {
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(90deg, rgba(14, 27, 42, .92), rgba(8, 28, 20, .55));
}
.site-header__bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 34px;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--c-sage);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.header-meta__key { color: var(--c-lime); letter-spacing: .16em; }
.header-meta--end { justify-content: flex-end; }

.dot-pulse {
  width: 7px; height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--c-lime);
  animation: dotPulse 2.6s var(--ease) infinite;
}
@keyframes dotPulse {
  0%   { box-shadow: 0 0 0 0 rgba(200, 255, 77, .5); }
  70%  { box-shadow: 0 0 0 9px rgba(200, 255, 77, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 255, 77, 0); }
}

.site-header__main { position: relative; }
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(12px, 3vw, 40px);
  min-height: 66px;
  padding-block: clamp(9px, 1.5vw, 15px);
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand__mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 38px; height: 38px;
  border-radius: 3px;
  background: linear-gradient(140deg, var(--c-lime), #7FBF1F);
  color: var(--c-night);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
  box-shadow: 0 0 0 1px rgba(200, 255, 77, .35), 0 12px 26px -16px rgba(200, 255, 77, .85);
}
.brand__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.brand__name {
  font-size: clamp(17px, 2.1vw, 20px);
  font-weight: 800;
  letter-spacing: .14em;
  line-height: 1.1;
  color: var(--c-flood);
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-sage);
  white-space: nowrap;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 13px;
  border: 1px solid var(--c-line-strong);
  border-radius: 3px;
  color: var(--c-cream);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.nav-toggle:hover { border-color: var(--c-lime); color: var(--c-lime); }
.nav-toggle__bars { position: relative; display: block; width: 16px; height: 2px; background: var(--c-lime); transition: background .18s var(--ease); }
.nav-toggle__bars::before, .nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px; height: 2px;
  background: var(--c-lime);
  transition: transform .22s var(--ease), top .22s var(--ease), opacity .18s var(--ease);
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }
.nav-toggle__label { display: inline-block; }

.site-nav { display: flex; align-items: center; gap: clamp(10px, 1.6vw, 20px); }
.site-nav__list { display: flex; align-items: center; gap: clamp(4px, 1vw, 14px); }
.site-nav__item { display: flex; }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 9px 4px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .05em;
  color: var(--c-cream);
  white-space: nowrap;
  transition: color .18s var(--ease);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 3px;
  height: 1px;
  background: var(--c-lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .24s var(--ease);
}
.site-nav__link:hover { color: var(--c-lime); }
.site-nav__link:hover::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] { color: var(--c-lime); }
.site-nav__link[aria-current="page"]::after { transform: scaleX(1); }
.site-nav__num { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; color: var(--c-sage); }
.site-nav__link[aria-current="page"] .site-nav__num { color: var(--c-gold); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--c-lime);
  border-radius: 3px;
  background: var(--c-lime);
  color: var(--c-night);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: .08em;
  white-space: nowrap;
  transition: background .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
.nav-cta:hover { background: #DCFF82; transform: translateY(-1px); box-shadow: 0 14px 30px -18px rgba(200, 255, 77, .95); }

.scroll-progress {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  pointer-events: none;
}
.scroll-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--c-lime), var(--c-gold));
  transition: width .1s linear;
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(48px, 8vw, 110px);
  background: var(--c-night);
  border-top: 1px solid var(--c-line);
}

.site-footer__top {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  padding-block: clamp(30px, 5vw, 62px);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
}
@media (min-width: 1040px) {
  .site-footer__top {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr) minmax(0, .85fr) minmax(0, 1.3fr);
  }
}

.footer-brand__mark {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 3px;
  background: rgba(200, 255, 77, .12);
  border: 1px solid rgba(200, 255, 77, .4);
  color: var(--c-lime);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  line-height: 1;
}
.footer-brand__name { margin-top: 14px; font-size: 20px; font-weight: 800; letter-spacing: .14em; color: var(--c-flood); }
.footer-brand__line { margin-top: 8px; max-width: 32ch; font-size: 14px; color: var(--c-sage); }
.footer-brand__meta {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-moss);
}

.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-lime);
}

.footer-list li + li { margin-top: 9px; }
.footer-list a { font-size: 14.5px; color: var(--c-cream); opacity: .85; transition: color .18s var(--ease), opacity .18s var(--ease); }
.footer-list a:hover { color: var(--c-lime); opacity: 1; }

.contact-list { display: grid; gap: 4px; }
.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 11px 0;
  border-bottom: 1px solid var(--c-line);
}
.contact-list li:first-child { padding-top: 0; }
.contact-list__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-sage);
}
.contact-list__val { font-size: 14.5px; line-height: 1.6; color: var(--c-cream); word-break: break-word; }

.copy-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 7px 12px;
  border: 1px solid var(--c-line-strong);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--c-sage);
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.copy-btn:hover { color: var(--c-lime); border-color: var(--c-lime); background: rgba(200, 255, 77, .07); }
.copy-btn[data-copied] { color: var(--c-gold); border-color: var(--c-gold); background: rgba(214, 163, 74, .1); }

.footer-seasons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px clamp(14px, 3vw, 32px);
  padding-block: 22px;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(90deg, rgba(38, 43, 39, .68), rgba(8, 28, 20, .2));
}
.footer-seasons .footer-col__title { margin-bottom: 0; }

.season-list { display: flex; flex-wrap: wrap; gap: 8px; }
.season-list__item {
  padding: 6px 12px;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  background: rgba(8, 28, 20, .6);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--c-sage);
}

.site-footer__bottom { background: var(--c-rock); }
.site-footer__bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding-block: 18px;
}
.footer-note { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .06em; color: var(--c-sage); }
.footer-note .link { color: var(--c-cream); }

/* ---------- 面包屑 ---------- */
.breadcrumb { padding-block: 16px; border-bottom: 1px solid var(--c-line); }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-sage);
}
.breadcrumb__link { color: var(--c-sage); transition: color .18s var(--ease); }
.breadcrumb__link:hover { color: var(--c-lime); }
.breadcrumb__sep { color: var(--c-moss); }
.breadcrumb__item[aria-current="page"] { color: var(--c-cream); }

/* ---------- 图片容器 ---------- */
.media { display: block; }
.media__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  background: linear-gradient(150deg, var(--c-ink), var(--c-night));
}
.media__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(244, 240, 230, .06) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: screen;
}
.media__frame[data-label]::before {
  content: attr(data-label);
  position: absolute;
  left: 14px; bottom: 12px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-sage);
}
.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(.88) contrast(1.08) saturate(.92);
}
.media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-sage);
}
.media--16x9 .media__frame { aspect-ratio: 16 / 9; }
.media--3x2 .media__frame { aspect-ratio: 3 / 2; }
.media--4x3 .media__frame { aspect-ratio: 4 / 3; }
.media--1x1 .media__frame { aspect-ratio: 1 / 1; }
.media--4x5 .media__frame { aspect-ratio: 4 / 5; }

.media--map .media__frame {
  background-image:
    linear-gradient(rgba(143, 163, 154, .14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 163, 154, .14) 1px, transparent 1px),
    linear-gradient(150deg, var(--c-ink), var(--c-night));
  background-size: 28px 28px, 28px 28px, auto;
}
.media--heat .media__frame {
  background-image:
    radial-gradient(circle at 32% 68%, rgba(181, 101, 74, .55), transparent 42%),
    radial-gradient(circle at 68% 34%, rgba(214, 163, 74, .42), transparent 46%),
    radial-gradient(circle at 52% 50%, rgba(200, 255, 77, .22), transparent 60%),
    linear-gradient(150deg, var(--c-ink), var(--c-night));
}

/* ---------- 数据面板与数字带 ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.6vw, 30px);
  border: 1px solid var(--c-line);
  border-radius: var(--r);
  background: linear-gradient(158deg, rgba(14, 27, 42, .92), rgba(8, 28, 20, .84));
}
.panel--moss { border-color: rgba(62, 107, 79, .5); background: linear-gradient(158deg, rgba(62, 107, 79, .3), rgba(8, 28, 20, .88)); }
.panel--flat { background: rgba(38, 43, 39, .42); }
.panel--accent { border-left: 2px solid var(--c-lime); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  gap: clamp(12px, 2vw, 26px);
  padding-block: clamp(14px, 2.4vw, 26px);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--c-lime);
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-sage);
}

.divide-list { border-top: 1px solid var(--c-line); }
.divide-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--c-line);
  transition: border-color .18s var(--ease);
}
.divide-item:hover { border-bottom-color: var(--c-line-strong); }
.divide-item__key { font-size: 15px; font-weight: 600; color: var(--c-cream); }
.divide-item__val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--c-sage);
}

/* ---------- 标签页 ---------- */
.tabs { display: block; }
.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  border-bottom: 1px solid var(--c-line);
}
.tabs__tab {
  position: relative;
  padding: 11px 16px 13px;
  border: 1px solid transparent;
  border-bottom: 0;
  border-radius: var(--r) var(--r) 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-sage);
  transition: color .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}
.tabs__tab:hover { color: var(--c-cream); }
.tabs__tab[aria-selected="true"] {
  color: var(--c-lime);
  border-color: var(--c-line);
  background: linear-gradient(180deg, rgba(200, 255, 77, .14), rgba(200, 255, 77, .02));
}
.tabs__tab[aria-selected="true"]::before {
  content: "";
  position: absolute;
  left: 0; right: 0; top: -1px;
  height: 2px;
  background: var(--c-lime);
}
.tabs__panel { padding-top: clamp(18px, 2.6vw, 30px); }
.tabs__panel:focus-visible { outline-offset: 6px; }

/* ---------- 显现 ---------- */
[data-reveal] { opacity: 1; }
html[data-reveal-ready] [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
html[data-reveal-ready] [data-reveal].is-visible { opacity: 1; transform: none; }

/* ---------- 焦点与动效偏好 ---------- */
:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 3px;
  border-radius: 2px;
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 1150px) and (min-width: 960px) {
  .site-nav__link { font-size: 13px; padding: 9px 2px; }
  .site-nav__num { display: none; }
  .nav-cta { padding: 9px 12px; font-size: 12.5px; }
}

@media (max-width: 959px) {
  html { scroll-padding-top: 96px; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    left: 0; right: 0; top: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    padding: 6px var(--gutter) 20px;
    background: linear-gradient(180deg, var(--c-ink), var(--c-night));
    border-bottom: 1px solid var(--c-line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    pointer-events: none;
    transition: opacity .2s var(--ease), transform .24s var(--ease), visibility .2s var(--ease);
  }
  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
    box-shadow: 0 30px 60px -40px rgba(0, 0, 0, .95);
  }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav__item { display: block; }
  .site-nav__link {
    display: flex;
    justify-content: flex-start;
    padding: 15px 2px;
    font-size: 16px;
    border-bottom: 1px solid var(--c-line);
  }
  .site-nav__link::after { display: none; }
  .site-nav__link[aria-current="page"] { color: var(--c-lime); box-shadow: inset 2px 0 0 var(--c-lime); padding-left: 10px; }
  .site-nav__num { font-size: 11.5px; }
  .nav-cta { margin-top: 18px; padding: 14px 18px; }
}

@media (max-width: 699px) {
  .site-header__bar { display: none; }
  .brand__sub { display: none; }
  .brand__mark { width: 34px; height: 34px; font-size: 18px; }
}

@media (max-width: 520px) {
  .footer-seasons { align-items: flex-start; }
  .footer-seasons .footer-col__title { width: 100%; }
}

@media (max-width: 900px) {
  body { background-attachment: scroll; }
}