/* ============================================================
   M88 体育 · 战术档案室 — 共享样式 /assets/site.css
   炭黑主场 · 深墨绿容器 · 荧光青数据 · 熔岩橙信号 · 金属银刻度
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root {
  --ink-0: #0A0F0D;
  --ink-1: #0F2A24;
  --ink-2: #16443A;
  --cy: #25F2C6;
  --or: #FF6A1F;
  --silver: #C8D0CC;
  --mist: #E9F0EC;
  --dusk: #8C9C95;
  --paper: #E6DCC8;
  --ember: #5E2A12;

  --line: rgba(200, 208, 204, 0.16);
  --line-strong: rgba(200, 208, 204, 0.36);
  --cy-dim: rgba(37, 242, 198, 0.12);
  --or-dim: rgba(255, 106, 31, 0.14);

  --font-data: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-label: "Arial Narrow", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-chapter: "Source Han Serif SC", "Noto Serif SC", "Songti SC", SimSun, Georgia, serif;
  --font-body: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;

  --bar-h: 46px;
  --cut: 12px;
  --shell-w: min(1280px, calc(100% - 48px));
  --gap: 24px;
  --ease: cubic-bezier(.2, .7, .3, 1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--ink-0);
}

body {
  margin: 0;
  padding-top: var(--bar-h);
  background: var(--ink-0);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; }
ul, ol { margin: 0; padding: 0; }
button { font: inherit; color: inherit; }

::selection { background: var(--cy); color: var(--ink-0); }

:focus-visible {
  outline: 2px solid var(--cy);
  outline-offset: 2px;
}

#main-content { scroll-margin-top: calc(var(--bar-h) + 16px); }

/* ---------- 3. 中文排版与标题 ---------- */
h1, h2, h3, h4 {
  margin: 0 0 .55em;
  font-family: var(--font-chapter);
  font-weight: 600;
  line-height: 1.24;
  color: var(--mist);
  letter-spacing: .01em;
}
h1 { font-size: clamp(32px, 5.2vw, 72px); }
h2 { font-size: clamp(24px, 3.4vw, 44px); }
h3 { font-size: 20px; }
h4 { font-size: 17px; }

p {
  margin: 0 0 1.05em;
  max-width: 38em;
}
p:last-child { margin-bottom: 0; }

a { color: var(--cy); text-decoration: none; }
a:hover { color: var(--mist); }

strong { color: var(--mist); font-weight: 600; }

/* ---------- 4. 骨架布局 ---------- */
.shell {
  width: var(--shell-w);
  margin-inline: auto;
}

.grid-12 {
  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-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

/* ---------- 5. 命令栏 ---------- */
.cmd-bar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  background: rgba(10, 15, 13, .95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-strong);
}

.cmd-bar__inner {
  height: var(--bar-h);
  display: flex;
  align-items: center;
  gap: 16px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 8px;
  z-index: 200;
  padding: 8px 14px;
  background: var(--cy);
  color: var(--ink-0);
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transform: translateY(-260%);
  transition: transform .16s var(--ease);
}
.skip-link:focus { transform: none; color: var(--ink-0); }

.cmd-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--mist);
}
.cmd-brand__mark {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  line-height: 1;
  padding: 5px 7px 6px;
  color: var(--ink-0);
  background: var(--cy);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%);
}
.cmd-brand__line {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--silver);
  white-space: nowrap;
}
.cmd-brand:hover .cmd-brand__line { color: var(--cy); }

/* 赛季切换器 */
.cmd-season { position: relative; flex: 0 0 auto; }
.cmd-season__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 28px;
  padding: 0 10px;
  background: var(--ink-1);
  border: 1px solid var(--line-strong);
  color: var(--mist);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%);
  transition: border-color .16s var(--ease), background .16s var(--ease);
}
.cmd-season__btn:hover { border-color: var(--cy); background: var(--ink-2); }
.cmd-season__key {
  font-family: var(--font-label);
  font-size: 10px;
  letter-spacing: .18em;
  color: var(--dusk);
}
.cmd-season__now {
  font-family: var(--font-data);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--cy);
}
.cmd-season__caret {
  width: 5px;
  height: 5px;
  border-right: 1px solid var(--silver);
  border-bottom: 1px solid var(--silver);
  transform: rotate(45deg) translate(-1px, -1px);
}
.cmd-season[data-open="true"] .cmd-season__caret { transform: rotate(225deg) translate(-1px, -1px); }

.season-list {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 6;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  min-width: 216px;
  padding: 8px;
  background: var(--ink-1);
  border: 1px solid var(--line-strong);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .55);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}
.cmd-season[data-open="true"] .season-list {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.season-list__btn {
  width: 100%;
  padding: 6px 10px;
  text-align: left;
  font-family: var(--font-data);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  background: transparent;
  border: 1px solid transparent;
  color: var(--silver);
  cursor: pointer;
  transition: background .14s var(--ease), color .14s var(--ease), border-color .14s var(--ease);
}
.season-list__btn:hover { background: var(--ink-2); color: var(--mist); }
.season-list__btn[aria-pressed="true"] {
  color: var(--cy);
  border-color: var(--cy);
  background: var(--cy-dim);
}

.cmd-hint {
  margin: 0 0 0 auto;
  max-width: none;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--dusk);
  white-space: nowrap;
}

.cmd-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  flex: 0 0 auto;
  height: 30px;
  padding: 0 12px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--mist);
  cursor: pointer;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  clip-path: polygon(8px 0, 100% 0, 100% 100%, 0 100%, 0 8px);
  transition: border-color .16s var(--ease), color .16s var(--ease), background .16s var(--ease);
}
.cmd-toggle:hover { border-color: var(--cy); color: var(--cy); }
.cmd-toggle[aria-expanded="true"] {
  background: var(--cy);
  border-color: var(--cy);
  color: var(--ink-0);
}
.cmd-toggle__bars { display: grid; gap: 3px; width: 14px; }
.cmd-toggle__bars i { display: block; height: 1px; background: currentColor; }
.cmd-toggle__bars i:nth-child(2) { width: 68%; }
.cmd-toggle__bars i:nth-child(3) { width: 84%; }

/* 索引抽屉 */
.cmd-nav {
  position: absolute;
  top: var(--bar-h);
  left: 0;
  right: 0;
  z-index: 5;
  padding: 26px max(24px, calc((100% - 1280px) / 2)) 30px;
  background:
    linear-gradient(180deg, var(--ink-1) 0%, var(--ink-0) 100%);
  border-bottom: 1px solid var(--line-strong);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
}
.cmd-nav[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.cmd-nav__title {
  margin: 0 0 16px;
  max-width: none;
  font-family: var(--font-label);
  font-size: 10.5px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--silver);
}

.cmd-nav__list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px 12px;
}

.cmd-nav__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 13px 14px;
  border-top: 1px solid var(--line);
  color: var(--mist);
  text-decoration: none;
  transition: background .16s var(--ease);
}
.cmd-nav__link:hover { background: var(--ink-2); }
.cmd-nav__link[aria-current="page"] { background: var(--ink-2); }

.cmd-nav__num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--silver);
  transition: color .16s var(--ease), transform .16s var(--ease);
}
.cmd-nav__label {
  font-family: var(--font-label);
  font-size: 15px;
  letter-spacing: .1em;
  color: var(--silver);
  transition: color .16s var(--ease);
}
.cmd-nav__link:hover .cmd-nav__num { color: var(--cy); transform: translateX(3px); }
.cmd-nav__link:hover .cmd-nav__label { color: var(--mist); }
.cmd-nav__link[aria-current="page"] .cmd-nav__num { color: var(--cy); }
.cmd-nav__link[aria-current="page"] .cmd-nav__label { color: var(--cy); }

.cmd-nav__foot {
  margin: 18px 0 0;
  max-width: none;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--dusk);
}

.cmd-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--cy) 0%, var(--or) 100%);
  transition: width .08s linear;
}

/* ---------- 6. 页脚 ---------- */
.site-foot {
  position: relative;
  margin-top: 120px;
  background: linear-gradient(180deg, var(--ink-0) 0%, var(--ink-1) 100%);
  border-top: 1px solid var(--line-strong);
}
.site-foot::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 10px;
  background-image: repeating-linear-gradient(115deg, var(--line-strong) 0 1px, transparent 1px 12px);
  opacity: .8;
  pointer-events: none;
}

.site-foot__inner { padding: 60px 0 36px; }

.site-foot__mast {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.site-foot__brand {
  margin: 0;
  max-width: none;
  font-family: var(--font-chapter);
  font-size: 22px;
  font-weight: 600;
  color: var(--mist);
}
.site-foot__tag {
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  color: var(--dusk);
}

.site-foot__cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  padding: 38px 0;
}

.foot-col__title {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-label);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--silver);
}
.foot-col__num {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--cy);
}
.foot-col__list {
  list-style: none;
  display: grid;
  gap: 9px;
}
.foot-col__list a {
  font-size: 14.5px;
  color: var(--dusk);
}
.foot-col__list a:hover { color: var(--cy); }

.foot-col--contact { display: grid; align-content: start; gap: 0; }
.foot-col--contact .foot-col__title { margin-bottom: 14px; }
.foot-col__kv { display: grid; gap: 4px; margin-bottom: 14px; }
.foot-col__key {
  font-family: var(--font-label);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--dusk);
}
.foot-col__val {
  font-family: var(--font-data);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
  word-break: break-word;
}

.site-foot__base {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--dusk);
}
.site-foot__base p { margin: 0; max-width: none; }
.site-foot__icp { font-family: var(--font-data); color: var(--silver); }
.site-foot__copy { font-family: var(--font-data); }

/* 返回顶部 */
.to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  background: var(--ink-1);
  border: 1px solid var(--line-strong);
  color: var(--silver);
  cursor: pointer;
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s, color .18s, border-color .18s;
}
.to-top[data-visible="true"] { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { color: var(--cy); border-color: var(--cy); }
.to-top__tick {
  width: 7px;
  height: 7px;
  border-left: 1px solid currentColor;
  border-top: 1px solid currentColor;
  transform: rotate(45deg);
}

/* ---------- 7. 通用组件 ---------- */
.panel {
  position: relative;
  padding: 24px 26px;
  background: var(--ink-1);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}
.panel--scaled::before,
.panel--scaled::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 1px;
  background: var(--silver);
  opacity: .8;
}
.panel--scaled::before { left: 0; top: 16px; }
.panel--scaled::after { right: 0; bottom: 16px; }

.panel--paper {
  background: var(--paper);
  border-color: transparent;
  color: #17211D;
}
.panel--paper h2, .panel--paper h3, .panel--paper strong { color: #0F1A16; }
.panel--paper p { color: #2C3A34; }

.slash-rule {
  height: 12px;
  margin: 0;
  border: 0;
  background-image: repeating-linear-gradient(115deg, var(--line-strong) 0 1px, transparent 1px 11px);
  opacity: .75;
}

.chapter-head { display: grid; gap: 10px; }
.chapter-num {
  display: block;
  font-family: var(--font-data);
  font-size: clamp(44px, 8vw, 112px);
  line-height: .86;
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1px var(--silver);
}
.chapter-num--fill {
  color: var(--cy);
  -webkit-text-stroke: 0;
}

.metric { display: grid; gap: 6px; align-content: start; }
.metric__value {
  font-family: var(--font-data);
  font-size: clamp(40px, 6.6vw, 72px);
  line-height: .9;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
  color: var(--cy);
}
.metric__value--orange { color: var(--or); }
.metric__value--silver { color: var(--silver); }
.metric__label {
  font-family: var(--font-label);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--dusk);
}
.metric__note {
  font-size: 13px;
  line-height: 1.65;
  color: var(--dusk);
}

.stamp {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-label);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  line-height: 1.6;
  border: 1px solid currentColor;
  transform: rotate(-1.2deg);
}
.stamp--checked { color: var(--cy); }
.stamp--pending { color: var(--or); }
.stamp--frozen { color: var(--dusk); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  font-family: var(--font-label);
  font-size: 12.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--cy);
  background: transparent;
  border: 1px solid var(--cy);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}
.btn:hover { background: var(--cy); color: var(--ink-0); }
.btn--solid { background: var(--cy); color: var(--ink-0); }
.btn--solid:hover { background: var(--mist); border-color: var(--mist); color: var(--ink-0); }
.btn--ghost { border-color: var(--line-strong); color: var(--mist); }
.btn--ghost:hover { background: transparent; border-color: var(--cy); color: var(--cy); }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dusk);
}
.crumbs a { color: var(--dusk); }
.crumbs a:hover { color: var(--cy); }
.crumbs__sep {
  width: 7px;
  height: 1px;
  background: var(--line-strong);
}

.prose { max-width: 38em; }
.prose p { color: var(--mist); }

/* ---------- 8. 图片容器 ---------- */
.frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--ink-1);
  border: 1px solid var(--line);
}
.frame > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.72) contrast(1.14) brightness(.86) hue-rotate(-6deg);
}
.frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(233, 240, 236, .035) 0 1px, transparent 1px 3px);
  mix-blend-mode: overlay;
}
.frame--21x9 { aspect-ratio: 21 / 9; }
.frame--16x9 { aspect-ratio: 16 / 9; }
.frame--4x3 { aspect-ratio: 4 / 3; }
.frame--1x1 { aspect-ratio: 1 / 1; }

/* ---------- 9. 响应式 ---------- */
@media (max-width: 1080px) {
  .cmd-hint { display: none; }
  .cmd-nav__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .site-foot__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .col-3, .col-4, .col-5 { grid-column: span 6; }
  .col-7, .col-8, .col-9 { grid-column: span 12; }
}

@media (max-width: 760px) {
  :root {
    --bar-h: 52px;
    --shell-w: calc(100% - 32px);
    --gap: 16px;
  }
  body { font-size: 16px; }
  .cmd-bar__inner { gap: 10px; }
  .cmd-brand__line { display: none; }
  .cmd-season { margin-left: auto; }
  .cmd-season__key { display: none; }
  .cmd-toggle__text { display: none; }
  .cmd-toggle { padding: 0 11px; }

  .cmd-nav {
    padding: 20px 16px 26px;
    max-height: calc(100vh - var(--bar-h));
    max-height: calc(100dvh - var(--bar-h));
    overflow-y: auto;
  }
  .cmd-nav__list { grid-template-columns: 1fr; }
  .season-list { grid-template-columns: repeat(2, minmax(0, 1fr)); min-width: 200px; }

  .site-foot { margin-top: 76px; }
  .site-foot__inner { padding: 44px 0 30px; }
  .site-foot__cols { grid-template-columns: 1fr; gap: 26px; padding: 30px 0; }

  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8, .col-9 { grid-column: span 12; }

  .to-top { right: 14px; bottom: 14px; padding: 10px 13px; }
  .to-top__text { display: none; }
}

/* ---------- 10. 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
}