/* ==========================================================================
   6688 体育档案轴 · 共享层 /assets/site.css
   夜间战术板配色 · 侧边归档轨道 · 极细边界 · 画册级排版节奏
   ========================================================================== */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ink-900);
  color: var(--bone);
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.7;
  font-weight: 400;
  letter-spacing: 0.012em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
}
ul, ol { padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
a { color: inherit; text-decoration: none; }
main { display: block; }
table { border-collapse: collapse; width: 100%; }

:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 2. 变量 ---------- */
:root {
  --ink-950: #050C0A;
  --ink-900: #07110E;
  --ink-800: #0B241C;
  --ink-700: #123B2E;
  --line: #2A4A3E;
  --line-soft: rgba(42, 74, 62, 0.55);

  --bone: #F2F5E9;
  --lime: #C8FF3D;
  --jade: #1F7A5C;
  --wine: #4A1426;
  --indigo: #221A4A;
  --red: #E23A3A;
  --amber: #F5B841;
  --sage: #8CA39A;

  --font-display: "Noto Sans SC", "HarmonyOS Sans SC", "Source Han Sans SC",
    "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-data: "IBM Plex Mono", "JetBrains Mono", "Noto Sans Mono",
    ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --rail: 104px;
  --rail-open: 252px;
  --header-h: 64px;

  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 22px 48px -30px rgba(0, 0, 0, 0.92);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 基础排版与容器 ---------- */
.page-container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: clamp(18px, 4vw, 60px);
}

.prose {
  max-width: 62ch;
  font-size: clamp(0.95rem, 1.05vw, 1.05rem);
  color: rgba(242, 245, 233, 0.86);
}
.prose p + p { margin-top: 1.05em; }
.prose strong { color: var(--bone); font-weight: 600; }

.eyebrow,
.data-label {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--sage);
  line-height: 1.4;
}
.data-label { letter-spacing: 0.14em; color: var(--lime); }

.display-xl {
  font-size: clamp(2.6rem, 8.4vw, 6.8rem);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.035em;
}
.display-lg {
  font-size: clamp(2rem, 4.6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.025em;
}
.display-md {
  font-size: clamp(1.35rem, 2.4vw, 2.1rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.section-title {
  font-size: clamp(1.15rem, 1.8vw, 1.6rem);
  font-weight: 600;
  line-height: 1.3;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 24px);
}
.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

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

/* ---------- 4. 通用按钮 / 标签 / 卡面 / 图片容器 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background-color 0.22s var(--ease), color 0.22s var(--ease),
    border-color 0.22s var(--ease), transform 0.22s var(--ease);
}
.btn--primary {
  background: var(--lime);
  color: var(--ink-900);
}
.btn--primary:hover {
  background: #DCFF7F;
  transform: translateY(-2px);
}
.btn--ghost {
  border-color: var(--line);
  color: var(--bone);
}
.btn--ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 4px;
  border: 1px solid var(--line);
  font-family: var(--font-data);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  line-height: 1.7;
  color: var(--sage);
  white-space: nowrap;
}
.tag--lime { background: var(--lime); border-color: var(--lime); color: var(--ink-900); font-weight: 600; }
.tag--red { background: var(--red); border-color: var(--red); color: #FFF6F4; font-weight: 600; }
.tag--amber { background: var(--amber); border-color: var(--amber); color: var(--ink-900); font-weight: 600; }

.surface {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 120% at 18% 8%, var(--ink-700) 0%, var(--ink-950) 68%),
    repeating-linear-gradient(90deg, rgba(42, 74, 62, 0.35) 0 1px, transparent 1px 64px);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  padding-block: 20px;
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--sage);
}
.breadcrumbs li {
  display: inline-flex;
  align-items: center;
}
.breadcrumbs li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--line);
}
.breadcrumbs a { color: var(--sage); transition: color 0.18s var(--ease); }
.breadcrumbs a:hover { color: var(--lime); }
.breadcrumbs [aria-current="page"] { color: var(--bone); }

/* ---------- 5. 头部外壳 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 200;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink-950);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  transform: translateY(-180%);
  transition: transform 0.24s var(--ease);
}
.skip-link:focus-visible { transform: translateY(0); }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  display: flex;
  align-items: center;
  gap: 14px;
  height: var(--header-h);
  padding-inline: clamp(14px, 4vw, 26px);
  background: rgba(11, 36, 28, 0.96);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.rail-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1 1 auto;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 9px;
  min-width: 0;
}
.brand-mark {
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--bone);
}
.brand-sub {
  font-family: var(--font-data);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--sage);
  white-space: nowrap;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--bone);
  font-family: var(--font-data);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}
.nav-toggle:hover { border-color: var(--lime); color: var(--lime); }
.site-header[data-open] .nav-toggle {
  border-color: var(--lime);
  background: rgba(200, 255, 61, 0.1);
  color: var(--lime);
}
.nav-toggle-glyph {
  display: grid;
  gap: 3px;
  width: 14px;
}
.nav-toggle-glyph i {
  display: block;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.26s var(--ease), opacity 0.2s var(--ease);
}
.site-header[data-open] .nav-toggle-glyph i:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}
.site-header[data-open] .nav-toggle-glyph i:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle-glyph i:nth-child(3) {
  transform: translateY(-4.5px) rotate(-45deg);
}
.nav-toggle-text { line-height: 1; }

.rail-version { display: none; }

.site-nav {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 118;
  max-height: calc(100vh - var(--header-h));
  max-height: calc(100dvh - var(--header-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 18px clamp(14px, 4vw, 26px) 26px;
  background: var(--ink-800);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-14px);
  transition: transform 0.28s var(--ease), opacity 0.22s var(--ease),
    visibility 0.28s var(--ease);
}
.site-header[data-open] .site-nav {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 8px;
}
.nav-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--bone);
  font-size: 0.94rem;
  line-height: 1.4;
  transition: background-color 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease);
}
.nav-link:hover {
  background: var(--ink-700);
  border-color: var(--line);
}
.nav-index {
  font-family: var(--font-data);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--sage);
  transition: color 0.2s var(--ease);
}
.nav-label { white-space: nowrap; }
.nav-link[aria-current="page"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-950);
  font-weight: 600;
}
.nav-link[aria-current="page"] .nav-index { color: var(--ink-800); opacity: 0.62; }

.rail-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}
.rail-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--lime);
  color: var(--ink-950);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: background-color 0.2s var(--ease);
}
.rail-chip:hover { background: #DCFF7F; }
.rail-status {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--sage);
}
.rail-status-key { color: var(--amber); }
.rail-status-val { color: var(--sage); }

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 150;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(52px, 8vw, 116px);
  padding: clamp(38px, 6vw, 76px) clamp(18px, 4vw, 60px) 28px;
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  border-top: 1px solid var(--line);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--lime) 0%, var(--jade) 42%, transparent 82%);
}

.footer-inner {
  max-width: 1280px;
  margin-inline: auto;
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  grid-template-columns: minmax(0, 1fr);
}

.footer-mark {
  font-size: clamp(3rem, 9vw, 6.2rem);
  font-weight: 300;
  line-height: 0.82;
  letter-spacing: -0.045em;
  color: var(--bone);
  opacity: 0.92;
}
.footer-brand-line {
  margin-top: 16px;
  max-width: 22ch;
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  line-height: 1.65;
  color: rgba(242, 245, 233, 0.8);
}
.footer-note {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 0.78rem;
  line-height: 1.75;
  color: var(--sage);
}

.footer-grid {
  display: grid;
  gap: clamp(24px, 3vw, 38px);
  grid-template-columns: repeat(auto-fit, minmax(152px, 1fr));
  align-items: start;
}
.footer-heading {
  margin-bottom: 14px;
  font-family: var(--font-data);
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--lime);
}
.footer-links {
  display: grid;
  gap: 10px;
}
.footer-link {
  display: inline-block;
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(242, 245, 233, 0.78);
  transition: color 0.18s var(--ease), transform 0.18s var(--ease);
}
.footer-link:hover {
  color: var(--lime);
  transform: translateX(3px);
}

.footer-contact {
  display: grid;
  gap: 13px;
}
.footer-contact-item {
  display: grid;
  gap: 2px;
}
.footer-contact-key {
  font-family: var(--font-data);
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  color: var(--sage);
}
.footer-contact-val {
  font-family: var(--font-data);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--bone);
  word-break: break-word;
  -webkit-user-select: all;
  user-select: all;
}

.footer-base {
  max-width: 1280px;
  margin: clamp(30px, 4vw, 52px) auto 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  font-family: var(--font-data);
  font-size: 0.66rem;
  letter-spacing: 0.08em;
  color: var(--sage);
}
.footer-copy { margin: 0; }
.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}
.footer-legal-link {
  color: var(--sage);
  transition: color 0.18s var(--ease);
}
.footer-legal-link:hover { color: var(--lime); }
.footer-icp {
  margin: 0;
  margin-left: auto;
  color: var(--sage);
}

/* ---------- 7. 滚动显现 ---------- */
html.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s var(--ease), transform 0.45s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}
html.has-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 8. 平板 ---------- */
@media (min-width: 700px) {
  .nav-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-inner { grid-template-columns: minmax(0, 1fr); }
}

@media (min-width: 900px) {
  .footer-inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.4fr);
    align-items: start;
  }
}

/* ---------- 9. 桌面：左侧归档轨道 ---------- */
@media (min-width: 1024px) {
  body {
    padding-top: 0;
    padding-left: var(--rail);
    transition: padding-left 0.3s var(--ease);
  }
  html[data-nav-open] body { padding-left: var(--rail-open); }

  .skip-link { left: calc(var(--rail) + 16px); }

  .site-header {
    top: 0;
    bottom: 0;
    right: auto;
    left: 0;
    width: var(--rail);
    height: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 22px 0 20px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
    background: var(--ink-800);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    overflow: hidden;
    transition: width 0.3s var(--ease);
  }
  html[data-nav-open] .site-header { width: var(--rail-open); }

  .rail-head {
    flex: 0 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 0 14px;
  }
  .brand {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }
  .brand-mark { font-size: 1.15rem; }
  .brand-sub {
    font-size: 0.54rem;
    letter-spacing: 0.18em;
    line-height: 1.5;
    white-space: normal;
  }
  .nav-toggle {
    width: 100%;
    padding: 9px 6px;
    font-size: 0.6rem;
    letter-spacing: 0.14em;
  }

  .rail-version {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 18px 14px 0;
    font-family: var(--font-data);
    font-size: 0.55rem;
    line-height: 1.55;
    letter-spacing: 0.08em;
    color: var(--sage);
  }
  .rail-version-key {
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--lime);
  }
  html[data-nav-open] .rail-version { font-size: 0.66rem; padding-inline: 20px; }

  .site-nav {
    position: static;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    max-height: none;
    margin-top: 16px;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    overflow-y: auto;
    overscroll-behavior: contain;
    transition: none;
  }
  .nav-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
    padding: 0 10px;
  }
  .nav-link {
    flex-direction: column;
    align-items: flex-start;
    gap: 1px;
    padding: 9px 9px;
    border-radius: 7px;
    font-size: 0.72rem;
    line-height: 1.35;
  }
  .nav-index { font-size: 0.58rem; }
  .nav-label { white-space: nowrap; }

  html[data-nav-open] .nav-list { padding: 0 14px; }
  html[data-nav-open] .nav-link {
    flex-direction: row;
    align-items: baseline;
    gap: 10px;
    padding: 10px 12px;
    font-size: 0.9rem;
  }
  html[data-nav-open] .nav-index { font-size: 0.66rem; }

  .rail-tools {
    flex: 0 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin-top: auto;
    padding: 16px 10px 0;
    border-top: 1px solid var(--line);
  }
  .rail-chip {
    padding: 9px 6px;
    font-size: 0.64rem;
    letter-spacing: 0.04em;
  }
  html[data-nav-open] .rail-chip { padding: 10px 14px; font-size: 0.78rem; }

  .rail-status { display: none; }
  html[data-nav-open] .rail-status {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-inline: 4px;
    font-size: 0.6rem;
    letter-spacing: 0.1em;
  }

  .scroll-progress {
    left: var(--rail);
    transition: left 0.3s var(--ease);
  }
  html[data-nav-open] .scroll-progress { left: var(--rail-open); }

  .footer-icp { margin-left: auto; }
}

/* ---------- 10. 动效兼容 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
  }
  html.has-js [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .scroll-progress { transition: none; }
}