:root {
  --color-surface: #fdfdfd;
  --color-surface-alt: #f3f3f3;
  --color-surface-deep: #e4e5e5;
  --color-ink: #303634;
  --color-ink-soft: #59645f;
  --color-ink-muted: #74807b;
  --color-line: #d8d9d9;
  --color-primary: #1e8559;
  --color-primary-ink: #ffffff;
  --color-primary-soft: #deece6;
  --color-accent: #da1b9c;
  --color-accent-ink: #ffffff;
  --color-highlight: #f7d4ec;
  --color-focus: #d80d96;
  --color-contrast-surface: #182a22;
  --color-contrast-ink: #e4e7e6;
  --color-contrast-line: #45544d;
  --color-contrast-accent: #ea52b9;
  --overlay-scrim: linear-gradient(180deg, rgba(24, 42, 34, 0.35) 0%, rgba(24, 42, 34, 0.72) 55%, rgba(24, 42, 34, 0.92) 100%);
  --font-heading: "Source Han Sans SC", "Noto Sans SC", SimHei, "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
  --text-xs: 8.7px;
  --text-sm: 13.1px;
  --text-base: 16px;
  --text-lg: 24.0px;
  --text-xl: 36.0px;
  --text-2xl: 54.0px;
  --text-3xl: 81.0px;
  --text-4xl: 121.5px;
  --text-display: clamp(61px, 12.6vw, 161px);
  --text-figure: clamp(51px, 9.1vw, 116px);
  --weight-heading: 735;
  --weight-body: 400;
  --leading-body: 1.77;
  --leading-heading: 1.18;
  --tracking-heading: -0.005em;
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-pill: 0px;
  --border-thin: 1px;
  --border-thick: 2px;
  --shadow-1: none;
  --shadow-2: none;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-6: 48px;
  --space-8: 64px;
  --container: 1220px;
  --measure: 66ch;
  --gutter: 16px;
  --section-y: 91px;
  --section-y-lg: 127px;
}

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

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

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

body {
  margin: 0;
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}

img,
svg,
video { max-width: 100%; height: auto; }

button,
input,
select,
textarea { font: inherit; color: inherit; }

[hidden] { display: none !important; }

::selection {
  background-color: var(--color-highlight);
  color: var(--color-ink);
}

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4, h5 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

h1 { font-size: var(--text-2xl); }
h2 { font-size: var(--text-xl); }
h3 { font-size: var(--text-lg); }
h4 { font-size: var(--text-base); }

p { margin: 0 0 var(--space-3); }
p:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 var(--space-3); padding-left: 1.3em; }
li { margin-bottom: var(--space-1); }

strong, b { font-weight: 700; }

a { color: inherit; }

code, kbd, samp { font-family: var(--font-mono); font-size: 0.94em; }

/* ---------- 焦点 ---------- */
:focus { outline: none; }

:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 骨架 ---------- */
.shell {
  width: min(100% - (var(--gutter) * 2), var(--container));
  margin-inline: auto;
}

.page-main {
  display: block;
  padding-block: 0 var(--section-y);
}

.skip-link {
  position: fixed;
  left: var(--space-2);
  top: calc(var(--space-8) * -1);
  z-index: 120;
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-heading);
  font-weight: 700;
  text-decoration: none;
  transition: top 120ms ease-out;
}

.skip-link:focus {
  top: var(--space-2);
  outline: var(--border-thick) solid var(--color-ink);
  outline-offset: 2px;
}

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background-color: var(--color-surface);
  color: var(--color-ink);
  padding-block: var(--space-3);
}

.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background-color: var(--color-surface-deep);
  display: block;
}

.scroll-meter__fill {
  display: block;
  height: 100%;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 120ms ease-out;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-6);
}

.header-lead {
  display: flex;
  align-items: center;
  gap: var(--space-3) var(--space-6);
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: inherit;
  flex: 0 0 auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 900;
  line-height: 1;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-base);
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

/* 赛季滑轨 */
.season-rail {
  display: flex;
  align-items: stretch;
  gap: 0;
  background-color: var(--color-primary-soft);
  padding: 2px;
  min-width: 0;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
}

.season-rail::-webkit-scrollbar { display: none; }

.season-rail__label {
  display: inline-flex;
  align-items: center;
  padding-inline: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.season-node {
  appearance: none;
  border: 0;
  margin: 0;
  background-color: transparent;
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  padding: 6px var(--space-2);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.season-node:hover {
  background-color: var(--color-surface);
  color: var(--color-ink);
}

.season-node[aria-pressed="true"] {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

/* 导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  border: 0;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-sm);
  padding: 12px var(--space-2);
  cursor: pointer;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  background-color: currentColor;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  transition: transform 120ms ease-out, top 120ms ease-out, opacity 120ms ease-out;
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.site-header[data-open] .nav-toggle {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.site-header[data-open] .nav-toggle__bars { background-color: transparent; }
.site-header[data-open] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.site-header[data-open] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list li { margin: 0; }

.nav-list a {
  display: block;
  padding: 10px var(--space-2);
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-ink);
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.nav-list a:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.nav-list a[aria-current="page"] {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.nav-list a[aria-current="page"]:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 12px var(--space-3);
  border: 0;
  border-radius: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--text-base);
  line-height: 1.1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.btn--solid {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.btn--solid:hover {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

.btn--ghost {
  background-color: var(--color-surface-deep);
  color: var(--color-ink);
}

.btn--ghost:hover {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

/* ---------- 分节色块 ---------- */
.band {
  padding-block: var(--section-y);
  background-color: var(--color-surface);
  color: var(--color-ink);
}

.band--alt { background-color: var(--color-surface-alt); }

.band--primary {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.band--contrast {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.band--tight { padding-block: var(--space-8); }

.band--lg { padding-block: var(--section-y-lg); }

/* ---------- 栅格与记分牌 ---------- */
.grid-10 {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: var(--gutter);
}

.scoreboard {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: var(--gutter);
  align-items: start;
}

.sb-rail { grid-column: 1 / span 2; }
.sb-main { grid-column: 3 / span 6; }
.sb-note { grid-column: 9 / span 2; }

.rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.rail-list li { margin: 0; }

.rail-list a {
  display: block;
  padding: 10px var(--space-2);
  font-family: var(--font-heading);
  font-weight: 600;
  text-decoration: none;
  color: inherit;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.rail-list a:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.band--primary .rail-list a:hover,
.band--contrast .rail-list a:hover {
  background-color: var(--color-surface);
  color: var(--color-ink);
}

.note-rail {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-muted);
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-2);
}

.band--contrast .note-rail {
  color: var(--color-contrast-ink);
  border-top-color: var(--color-contrast-line);
}

.band--primary .note-rail {
  color: var(--color-primary-ink);
  border-top-color: var(--color-primary-ink);
}

/* ---------- 章节头 ---------- */
.section-head { margin-bottom: var(--space-6); }

.section-num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

.band--contrast .section-num { color: var(--color-contrast-accent); }
.band--primary .section-num { color: var(--color-primary-ink); }

.section-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  margin: 0 0 var(--space-2);
}

.section-kicker {
  font-size: var(--text-base);
  color: var(--color-ink-soft);
  max-width: var(--measure);
  margin: 0;
}

.band--primary .section-kicker { color: var(--color-primary-ink); }
.band--contrast .section-kicker { color: var(--color-contrast-ink); }

/* ---------- 数字与状态 ---------- */
.score-figure {
  display: block;
  font-family: var(--font-mono);
  font-weight: 900;
  font-size: var(--text-figure);
  line-height: 0.9;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.data-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: right;
  display: inline-block;
  min-width: 2.4em;
}

.chip {
  display: inline-block;
  padding: 3px var(--space-1);
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.3;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.chip--quiet {
  background-color: var(--color-surface-deep);
  color: var(--color-ink);
}

.chip--on-dark {
  background-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.chip--on-primary {
  background-color: var(--color-primary-ink);
  color: var(--color-primary);
}

/* ---------- 正文与链接 ---------- */
.prose {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

.prose h2 { font-size: var(--text-xl); margin-bottom: var(--space-3); }
.prose h3 { font-size: var(--text-lg); margin-bottom: var(--space-2); }

.inline-link {
  color: var(--color-ink);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 4px;
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.inline-link:hover {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  text-decoration-color: transparent;
}

.band--primary .inline-link,
.band--contrast .inline-link { color: inherit; }

/* ---------- 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-6);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.breadcrumb li { margin: 0; }

.breadcrumb li + li::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-line);
}

.breadcrumb a {
  color: var(--color-ink-muted);
  text-decoration: none;
  padding: 2px var(--space-1);
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.breadcrumb a:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

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

/* ---------- 图片容器（页面阶段放占位） ---------- */
.figure {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background-color: var(--color-surface-deep);
  border-radius: var(--radius-md);
}

.figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

.figure--wide img { aspect-ratio: 16 / 9; }
.figure--tall img { aspect-ratio: 3 / 4; }

.figure--scrim::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
  pointer-events: none;
}

.figure__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  max-width: 90%;
  padding: 4px var(--space-2);
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.figure__body {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  z-index: 2;
  padding: var(--space-3);
  color: var(--color-contrast-ink);
}

.figure--mono .figure__tag {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

/* ---------- 表格 ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.data-table th,
.data-table td {
  padding: var(--space-2) var(--space-2);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.data-table thead th {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.data-table tbody tr:hover {
  background-color: var(--color-highlight);
}

.band--contrast .data-table th,
.band--contrast .data-table td { border-bottom-color: var(--color-contrast-line); }

/* ---------- 页脚 ---------- */
.site-footer {
  background-color: var(--color-surface);
  color: var(--color-ink);
  border-top: var(--border-thin) solid var(--color-line);
  padding-block: var(--section-y) var(--space-6);
}

.footer-lead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.footer-brand {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-lg);
  letter-spacing: 0.02em;
}

.footer-lead-text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

.footer-label {
  display: block;
  flex: 0 0 auto;
  min-width: 6em;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
  padding-top: 3px;
}

.footer-index {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  padding-block: var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.footer-index ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1 1 320px;
}

.footer-index li { margin: 0; }

.footer-index a {
  text-decoration: none;
  font-family: var(--font-heading);
  font-weight: 600;
  padding: 3px var(--space-1);
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.footer-index a:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  padding-block: var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.footer-contact p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.7;
}

.footer-contact > p,
.footer-contact > .footer-note { flex: 1 1 240px; }

.footer-note {
  color: var(--color-ink-muted) !important;
  flex-basis: 100% !important;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2) var(--space-6);
  padding-top: var(--space-6);
}

.footer-legal p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.footer-legal-links {
  display: flex;
  gap: var(--space-4);
}

.footer-legal-links a {
  text-decoration: none;
  padding: 2px var(--space-1);
  transition: background-color 120ms ease-out, color 120ms ease-out;
}

.footer-legal-links a:hover {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .header-inner { gap: var(--space-3); }
  .site-nav { gap: var(--space-2); }
  .brand-sub { display: none; }
}

@media (max-width: 960px) {
  .site-header { padding-block: var(--space-2); }
  .header-inner { flex-wrap: wrap; row-gap: var(--space-2); }
  .header-lead { flex: 1 1 auto; flex-wrap: wrap; row-gap: var(--space-2); }
  .brand-sub { display: inline; }
  .nav-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    flex: 1 0 100%;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
    padding-top: var(--space-3);
  }
  .site-header[data-open] .site-nav { display: flex; }
  .nav-list { flex-direction: column; align-items: stretch; gap: 2px; }
  .nav-list a { padding: 14px var(--space-2); }
  .nav-actions { flex-direction: column; align-items: stretch; gap: var(--space-1); }
  .nav-actions .btn { width: 100%; }

  .grid-10 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .scoreboard { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sb-rail,
  .sb-main,
  .sb-note { grid-column: 1 / -1; }

  .section-title { font-size: var(--text-lg); }
  .footer-legal { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .shell { width: min(100% - (var(--gutter) * 2), var(--container)); }
  .band { padding-block: var(--space-8); }
  .band--lg { padding-block: var(--space-8); }
  .grid-10 { grid-template-columns: 1fr; }
  .scoreboard { grid-template-columns: 1fr; }
  .brand-mark { width: 40px; height: 40px; font-size: var(--text-base); }
  .brand-name { font-size: var(--text-sm); }
  .brand-sub { display: none; }
  .season-rail { width: 100%; }
  .footer-lead { flex-direction: column; align-items: flex-start; }
  .footer-contact > p,
  .footer-contact > .footer-note { flex-basis: 100%; }
  .breadcrumb { font-size: var(--text-sm); }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}