/* =========================================================
   cmd体育 · 共享样式表  /assets/site.css
   1 重置与变量 / 2 中文排版 / 3 布局骨架 / 4 通用组件
   5 刊头 / 6 页脚 / 7 动效与无障碍 / 8 响应式
   ========================================================= */

/* ---------- 1. 重置与变量 ---------- */
*, *::before, *::after { box-sizing: border-box; }

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

body, h1, h2, h3, h4, h5, 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%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; }
table { border-collapse: collapse; }

:root {
  --ink: #0A0E14;
  --panel: #111A28;
  --panel-2: #0D1520;
  --grid: #1E2B3C;
  --line: #38485C;
  --text: #E9EEF4;
  --muted: #93A3B5;
  --brand: #C8FF3D;
  --brand-dark: #9CD82F;
  --accent: #FF7A2F;
  --teal: #35D6C4;
  --on-brand: #0A0E14;

  --font-sans: Inter, "Helvetica Neue", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "Roboto Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --w: 1240px;
  --gap: 24px;
  --pad: clamp(16px, 4vw, 32px);
  --r: 2px;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --shadow: 0 24px 48px -34px rgba(0, 0, 0, .95);
  --hair: 1px solid var(--line);
  --hair-soft: 1px solid var(--grid);
  --header-z: 60;
}

/* ---------- 2. 中文排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(1200px 520px at 82% -8%, rgba(200, 255, 61, .07), transparent 62%),
    radial-gradient(900px 480px at -6% 6%, rgba(53, 214, 196, .06), transparent 60%);
  background-repeat: no-repeat;
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { font-weight: 800; line-height: 1.15; letter-spacing: -.01em; }

::selection { background: var(--brand); color: var(--on-brand); }

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 1px;
}

/* 数字与等宽文本 */
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}
.label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--muted);
}
.muted { color: var(--muted); }

.display {
  font-size: clamp(3.2rem, 9vw, 7.5rem);
  font-weight: 800;
  line-height: .95;
  letter-spacing: -.025em;
}
.lead {
  max-width: 40em;
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  line-height: 1.7;
}
.prose { max-width: 42em; font-size: 1.0625rem; }
.prose p { max-width: 42em; margin-bottom: 1.15em; color: #D6DEE7; }
.prose h2 { margin: 2.2em 0 .7em; font-size: clamp(1.4rem, 2.4vw, 1.9rem); }
.prose h3 { margin: 1.8em 0 .5em; font-size: 1.125rem; font-weight: 600; }
.prose ul { margin: 0 0 1.4em 1.1em; list-style: none; }
.prose ul li { position: relative; padding-left: 1.1em; margin-bottom: .5em; color: #D6DEE7; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0; top: .78em;
  width: 8px; height: 2px;
  background: var(--brand);
}
.prose a { color: var(--brand); text-decoration: none; border-bottom: 1px solid rgba(200, 255, 61, .35); }

/* ---------- 3. 布局骨架 ---------- */
.wrap {
  width: min(calc(100% - 2 * var(--pad)), var(--w));
  margin-inline: auto;
}
.wrap--read { --w: 760px; }

.section { padding-block: clamp(52px, 8vw, 104px); }
.section--tight { padding-block: clamp(32px, 5vw, 56px); }
.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 24px;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}
.section__title { font-size: clamp(1.8rem, 3.4vw, 2.8rem); font-weight: 700; }
.section__note {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

/* 章节编号色带 —— 纵向长卷骨架 */
.chapter {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: var(--hair-soft);
}
.chapter__num {
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--on-brand);
  background: var(--brand);
  padding: 2px 8px;
  border-radius: var(--r);
}
.chapter__label {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .16em;
  color: var(--muted);
}
.chapter__rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line), transparent);
}
.chapter--accent .chapter__num { background: var(--accent); }

.grid-bg {
  background-image:
    linear-gradient(rgba(30, 43, 60, .7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 43, 60, .7) 1px, transparent 1px);
  background-size: 44px 44px;
  background-position: -1px -1px;
}

/* ---------- 4. 通用组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid transparent;
  border-radius: var(--r);
  font-size: .875rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .2s var(--ease);
}
.btn:active { transform: translateY(1px); }
.btn--brand { background: var(--brand); color: var(--on-brand); }
.btn--brand:hover { background: var(--brand-dark); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); }
.btn--sm { padding: 7px 14px; font-size: .8125rem; }

.panel {
  background: var(--panel);
  border: var(--hair);
  border-radius: var(--r);
  padding: clamp(18px, 2.6vw, 28px);
  box-shadow: var(--shadow);
}
.panel--plain { background: var(--panel-2); }
.panel--accent { border-color: var(--brand); }
.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: var(--hair-soft);
}
.panel__title { font-size: 1.125rem; font-weight: 600; }
.panel__note {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--panel);
  border: var(--hair);
  border-radius: var(--r);
  padding: 22px;
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.card:hover { border-color: var(--brand); transform: translateY(-2px); }
.card__title { font-size: 1.0625rem; font-weight: 700; }
.card__meta {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--muted);
}
.card__body { font-size: .9375rem; line-height: 1.7; color: var(--muted); }

.stat { display: flex; flex-direction: column; gap: 6px; }
.stat__value {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3.4vw, 2.75rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--brand);
  font-variant-numeric: tabular-nums;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--muted);
}
.stat--accent .stat__value { color: var(--accent); }
.stat--teal .stat__value { color: var(--teal); }

.tag {
  display: inline-block;
  padding: 3px 10px;
  border: var(--hair);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--muted);
}
.tag--brand { color: var(--brand); border-color: var(--brand); }
.tag--accent { color: var(--accent); border-color: var(--accent); }

.data-table { width: 100%; font-size: .9375rem; }
.data-table caption {
  padding-bottom: 10px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--muted);
}
.data-table th {
  padding: 10px 12px;
  text-align: left;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.data-table td {
  padding: 12px;
  vertical-align: middle;
  border-bottom: var(--hair-soft);
  font-variant-numeric: tabular-nums;
}
.data-table tbody tr { transition: background-color .18s var(--ease); }
.data-table tbody tr:hover { background: var(--panel); }
.data-table tbody tr:hover .num { color: var(--accent); }

.crumbs { margin-top: 18px; }
.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--muted);
}
.crumbs__item { display: flex; align-items: center; gap: 8px; }
.crumbs__link { color: var(--muted); text-decoration: none; transition: color .2s var(--ease); }
.crumbs__link:hover { color: var(--brand); }
.crumbs__sep { color: var(--line); }
.crumbs__current { color: var(--text); }

/* 图片容器基础规则（页面阶段放入 <img> 与说明） */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--panel);
  border: var(--hair);
  border-radius: var(--r);
}
.media::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 43, 60, .6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 43, 60, .6) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.media img {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media--wide { aspect-ratio: 21 / 9; }
.media--16x9 { aspect-ratio: 16 / 9; }
.media--4x3 { aspect-ratio: 4 / 3; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--text);
  background: linear-gradient(180deg, transparent, rgba(10, 14, 20, .94));
}

/* 主题筛选条：只过滤当前页面已有内容 */
.filterbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 6px 0 26px;
}
.filterbar__btn {
  appearance: none;
  padding: 8px 16px;
  background: transparent;
  border: var(--hair);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.filterbar__btn:hover { color: var(--text); border-color: var(--brand); }
.filterbar__btn[aria-pressed="true"] {
  background: var(--brand);
  border-color: var(--brand);
  color: var(--on-brand);
  font-weight: 700;
}
.filterbar__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: .8125rem;
  color: var(--muted);
}
[data-filter-item][hidden] { display: none !important; }

/* ---------- 5. 刊头 ---------- */
.skip-link {
  position: fixed;
  top: 10px; left: 10px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--brand);
  color: var(--on-brand);
  font-size: .875rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--r);
  transform: translateY(-240%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--header-z);
  background: rgba(10, 14, 20, .94);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: var(--hair-soft);
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200, 255, 61, .7) 18%, rgba(200, 255, 61, .7) 82%, transparent);
  pointer-events: none;
}

.progress {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: block;
  height: 2px;
  overflow: hidden;
  background: rgba(56, 72, 92, .35);
}
.progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

.site-header__bar {
  width: min(calc(100% - 2 * var(--pad)), var(--w));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  grid-template-areas:
    "meta brand side"
    "nav nav nav";
  align-items: center;
  row-gap: 14px;
  padding-block: 18px 14px;
  transition: padding .25s var(--ease);
}

.masthead__meta {
  grid-area: meta;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--muted);
}
.masthead__meta .mono { color: var(--text); }

.masthead__brand {
  grid-area: brand;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  justify-self: center;
  text-decoration: none;
  color: var(--text);
}
.brand-mark {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: .14em;
  color: var(--brand);
}
.brand-text {
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: .02em;
}

.masthead__side { grid-area: side; justify-self: end; }

.mainnav { grid-area: nav; width: 100%; justify-self: center; }
.mainnav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 28px;
}
.mainnav__link {
  position: relative;
  display: inline-block;
  padding: 6px 2px 8px;
  color: var(--muted);
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-decoration: none;
  transition: color .18s var(--ease);
}
.mainnav__link::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .22s var(--ease);
}
.mainnav__link:hover { color: var(--text); }
.mainnav__link:hover::after { transform: scaleX(.6); }
.mainnav__link[aria-current="page"] { color: var(--brand); }
.mainnav__link[aria-current="page"]::after { transform: scaleX(1); }

.nav-toggle {
  grid-area: toggle;
  display: none;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: transparent;
  border: var(--hair);
  border-radius: 999px;
  color: var(--text);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .06em;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.nav-toggle:hover { color: var(--brand); border-color: var(--brand); }
.nav-toggle[aria-expanded="true"] { color: var(--brand); border-color: var(--brand); }
.nav-toggle__bars { display: grid; gap: 4px; width: 16px; }
.nav-toggle__bars i { display: block; height: 1.5px; background: currentColor; }
.nav-toggle__text { line-height: 1; }

/* 桌面紧凑态：过一屏向下收敛为单行 */
@media (min-width: 901px) {
  .site-header[data-compact] .site-header__bar {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "brand nav side";
    column-gap: 32px;
    padding-block: 8px;
  }
  .site-header[data-compact] .masthead__meta { display: none; }
  .site-header[data-compact] .masthead__brand { justify-self: start; gap: 8px; }
  .site-header[data-compact] .brand-mark { font-size: 1.125rem; }
  .site-header[data-compact] .brand-text { font-size: .9375rem; }
  .site-header[data-compact] .mainnav__list { gap: 4px 22px; }
  .site-header[data-compact] .mainnav__link { font-size: .875rem; padding-bottom: 6px; }
  .site-header[data-compact] .btn { padding: 6px 14px; font-size: .8125rem; }
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 10vw, 120px);
  background: var(--ink);
  border-top: var(--hair-soft);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--brand) 15%, var(--brand) 85%, transparent);
  opacity: .7;
}
.site-footer__inner {
  width: min(calc(100% - 2 * var(--pad)), var(--w));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.6fr;
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(40px, 6vw, 72px) clamp(26px, 4vw, 46px);
}

.foot-brand__mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: .16em;
  color: var(--brand);
  text-decoration: none;
}
.foot-brand__mark::after {
  content: "";
  display: block;
  width: 32px;
  height: 2px;
  margin-top: 8px;
  background: var(--brand);
  opacity: .6;
}
.foot-brand__note {
  max-width: 20em;
  margin-top: 16px;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--muted);
}

.foot-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--text);
}
.foot-title::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 2px;
  background: var(--brand);
}

.foot-nav__list li + li,
.foot-legal__list li + li { margin-top: 10px; }
.foot-nav__list a,
.foot-legal__list a {
  font-size: .9375rem;
  color: var(--muted);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.foot-nav__list a:hover,
.foot-legal__list a:hover { color: var(--brand); }

.foot-contact__list { display: grid; gap: 14px; }
.foot-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-size: .9375rem;
}
.foot-contact__key {
  min-width: 4.5em;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--muted);
}
.foot-contact__val { color: var(--text); word-break: break-all; }

.copy-btn {
  padding: 2px 9px;
  background: transparent;
  border: var(--hair);
  border-radius: 999px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.copy-btn:hover { color: var(--brand); border-color: var(--brand); }
.copy-note {
  min-height: 1.2em;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--brand);
}

.site-footer__base {
  width: min(calc(100% - 2 * var(--pad)), var(--w));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 24px;
  padding-block: 20px 32px;
  border-top: var(--hair-soft);
}
.site-footer__meta {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--muted);
}

/* ---------- 7. 动效与无障碍 ---------- */
[data-reveal] { transition: opacity .6s var(--ease), transform .6s var(--ease); }
html.js-ready [data-reveal]:not(.is-visible) {
  opacity: 0;
  transform: translateY(16px);
}

@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.js-ready [data-reveal],
  html.js-ready [data-reveal]:not(.is-visible) {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 8. 响应式 ---------- */
@media (max-width: 1024px) {
  .col-7, .col-5 { grid-column: span 12; }
  .col-3, .col-4 { grid-column: span 6; }
}

@media (max-width: 900px) {
  .site-header__bar {
    grid-template-columns: 1fr auto auto;
    grid-template-areas:
      "brand side toggle"
      "nav nav nav";
    row-gap: 0;
    padding-block: 12px;
  }
  .masthead__meta { display: none; }
  .masthead__brand { justify-self: start; }
  .masthead__side { justify-self: end; margin-right: 10px; }
  .nav-toggle { display: inline-flex; justify-self: end; }

  .mainnav { display: none; width: 100%; }
  .mainnav[data-open] { display: block; }
  .mainnav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-top: 12px;
    padding: 4px 0 12px;
    border-top: var(--hair-soft);
  }
  .mainnav__link {
    display: block;
    padding: 13px 2px;
    font-size: 1rem;
    border-bottom: var(--hair-soft);
  }
  .mainnav__link::after { display: none; }
  .mainnav__link[aria-current="page"] { color: var(--brand); }

  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .section__note { margin-left: 0; }
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: span 12; }
}

@media (max-width: 560px) {
  .site-header__bar {
    grid-template-columns: 1fr auto;
    grid-template-areas:
      "brand toggle"
      "nav nav";
  }
  .masthead__side { display: none; }
  .site-footer__inner { grid-template-columns: 1fr; }
  .site-footer__base { flex-direction: column; }
}