/* ============================================================
   中欧体育看台 · 看台档案  /assets/site.css
   夜场看台 × 档案室秩序 —— 共享外壳与通用组件
   ============================================================ */

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

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

body, h1, h2, h3, h4, h5, p, figure, blockquote, dl, dd, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, picture { max-width: 100%; }
button { font: inherit; color: inherit; background: none; border: 0; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-weight: 900; }
table { border-collapse: collapse; }

/* ---------- tokens ---------- */
:root {
  --ink: #08130F;
  --ink-2: #10231C;
  --concrete: #6F7772;
  --mist: #A8AFA8;
  --paper: #F2F1E8;
  --lime: #C8FF3E;
  --orange: #FF8A3D;
  --amber: #FFC857;
  --teal: #2E6B52;
  --sage: #D7E0D2;

  --line: rgba(111, 119, 114, 0.42);
  --line-soft: rgba(111, 119, 114, 0.22);
  --paper-dim: rgba(242, 241, 232, 0.74);
  --paper-soft: rgba(242, 241, 232, 0.56);

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

  --gutter: clamp(16px, 4vw, 44px);
  --width: 1240px;
  --header-h: 108px;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- base ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: clamp(15.5px, 0.35vw + 14.6px, 17px);
  line-height: 1.75;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    radial-gradient(120% 90% at 86% -12%, rgba(200, 255, 62, 0.09), transparent 58%),
    radial-gradient(85% 65% at -6% 0%, rgba(46, 107, 82, 0.3), transparent 62%),
    repeating-linear-gradient(0deg, rgba(111, 119, 114, 0.07) 0 1px, transparent 1px 92px);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

.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;
}

/* ---------- skip link ---------- */
.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  z-index: 400;
  padding: 11px 18px;
  background: var(--lime);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: top 0.18s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible { top: 14px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 300;
  color: var(--paper);
  background:
    linear-gradient(180deg,
      rgba(8, 19, 15, 0.94) 0%,
      rgba(8, 19, 15, 0.72) 58%,
      rgba(8, 19, 15, 0) 100%);
  border-bottom: 1px solid transparent;
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease),
    box-shadow 0.24s var(--ease);
}
.site-header[data-scrolled="true"] {
  background: rgba(8, 19, 15, 0.97);
  border-bottom-color: var(--line);
  box-shadow: 0 22px 48px -38px rgba(0, 0, 0, 0.95);
}

.header-inner {
  width: 100%;
  max-width: var(--width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* --- 档案条 --- */
.header-rail {
  height: 35px;
  overflow: hidden;
  border-bottom: 1px solid rgba(111, 119, 114, 0.2);
  transition: height 0.24s var(--ease), opacity 0.18s var(--ease),
    border-color 0.24s var(--ease);
}
.rail-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  height: 34px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  white-space: nowrap;
}
.rail-tag { color: var(--lime); }
.rail-num {
  color: var(--amber);
  letter-spacing: 0.2em;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}
.rail-note { color: var(--paper-soft); }
.rail-status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--mist);
}
.rail-dot {
  width: 6px;
  height: 6px;
  background: var(--lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 62, 0.16);
}
.site-header[data-scrolled="true"] .header-rail {
  height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

/* --- 主条 --- */
.header-bar {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(12px, 2.2vw, 34px);
  min-height: 72px;
  padding-block: 10px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 7px 6px;
  border: 1.5px solid var(--lime);
  background: linear-gradient(150deg, rgba(200, 255, 62, 0.16), rgba(200, 255, 62, 0) 72%);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.brand-mark i {
  display: block;
  height: 3px;
  background: var(--lime);
}
.brand-mark i:nth-child(1) { width: 100%; }
.brand-mark i:nth-child(2) { width: 66%; }
.brand-mark i:nth-child(3) { width: 36%; background: var(--orange); }
.brand:hover .brand-mark { border-color: var(--paper); background: rgba(200, 255, 62, 0.22); }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; min-width: 0; }
.brand-name {
  font-size: clamp(16px, 1.5vw, 19px);
  font-weight: 900;
  letter-spacing: 0.05em;
  color: var(--paper);
}
.brand-sub {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.28em;
  color: var(--mist);
}

/* 导航 */
.site-nav { justify-self: end; }
.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(4px, 1.3vw, 20px);
}
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 2px;
  font-size: 15px;
  color: rgba(242, 241, 232, 0.76);
  transition: color 0.18s var(--ease);
}
.nav-index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--concrete);
  transition: color 0.18s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.2s var(--ease);
}
.nav-link:hover,
.nav-link:focus-visible { color: var(--paper); }
.nav-link:hover::after,
.nav-link:focus-visible::after { transform: scaleX(1); }
.nav-link[aria-current="page"] { color: var(--lime); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); }
.nav-link[aria-current="page"] .nav-index { color: var(--lime); }

/* 工具区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}
.index-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid var(--line);
  background: rgba(16, 35, 28, 0.55);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--paper);
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease),
    background 0.18s var(--ease);
}
.index-link::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--orange);
}
.index-link:hover,
.index-link:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
  background: rgba(200, 255, 62, 0.1);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper);
  cursor: pointer;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}
.nav-toggle:hover,
.nav-toggle:focus-visible { border-color: var(--lime); color: var(--lime); }
.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--lime);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}
.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  transform: translateY(4px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  transform: translateY(-4px) rotate(-45deg);
}

/* 阅读进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
  background: transparent;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--lime), var(--amber) 55%, var(--orange));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.1s linear;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 112px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(11, 26, 20, 0) 0%, #0B1A14 26%, #0B1A14 100%);
  color: var(--paper);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: repeating-linear-gradient(90deg,
    var(--lime) 0 40px,
    transparent 40px 84px);
  opacity: 0.34;
}
.footer-top {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) 2.5fr;
  gap: clamp(28px, 4vw, 64px);
  padding-block: clamp(40px, 5vw, 72px) clamp(26px, 3vw, 40px);
}
.footer-brand { position: relative; }
.footer-brand::before {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin-bottom: 16px;
  background: var(--lime);
}
.footer-wordmark {
  display: block;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.footer-tag {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--lime);
}
.footer-note {
  margin-top: 14px;
  max-width: 34ch;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(20px, 2.4vw, 38px);
}
.footer-col { min-width: 0; }
.footer-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--concrete);
}
.footer-title::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--orange);
}
.footer-list { display: grid; gap: 2px; }
.footer-link {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(242, 241, 232, 0.8);
  transition: color 0.18s var(--ease), transform 0.18s var(--ease);
}
.footer-num {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--concrete);
}
.footer-link:hover,
.footer-link:focus-visible { color: var(--lime); transform: translateX(4px); }
.footer-link:hover .footer-num,
.footer-link:focus-visible .footer-num { color: var(--lime); }

.footer-info {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mist);
}
.footer-info li + li { margin-top: 8px; }
.footer-info--note {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 2px solid rgba(255, 138, 61, 0.5);
  font-size: 12.5px;
  color: var(--paper-soft);
}
.footer-contact .contact-line {
  display: block;
  padding: 6px 0 6px 12px;
  border-left: 2px solid rgba(200, 255, 62, 0.42);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.01em;
  color: var(--paper);
  word-break: break-word;
}
.footer-contact .contact-line + .contact-line { margin-top: 4px; }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 26px;
  padding-block: 16px 26px;
  border-top: 1px solid var(--line-soft);
}
.footer-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--concrete);
}

/* ============================================================
   通用布局与组件
   ============================================================ */
main { display: block; }
.main-offset { padding-top: calc(var(--header-h, 108px) + 8px); }

.container {
  width: 100%;
  max-width: var(--width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: clamp(44px, 6.5vw, 92px); }

.grid { display: grid; gap: clamp(20px, 3vw, 40px); }
.grid--7-5 { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.grid--5-7 { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); }
.grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stair-lift { margin-top: clamp(0px, 2.4vw, 44px); }

/* 排版 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--lime);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}
.display-title {
  font-size: clamp(2.6rem, 7vw, 6rem);
  line-height: 0.94;
  font-weight: 900;
  letter-spacing: -0.035em;
  color: var(--paper);
}
.display-title em {
  font-style: normal;
  color: var(--lime);
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.lede {
  max-width: 42ch;
  font-size: clamp(15px, 1.2vw, 18px);
  line-height: 1.8;
  color: var(--paper-dim);
}
.vertical-note {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--concrete);
}
.rotated-note {
  display: inline-block;
  transform: rotate(-90deg);
  transform-origin: left center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--concrete);
  white-space: nowrap;
}
.rule {
  height: 1px;
  border: 0;
  margin-block: clamp(22px, 3.4vw, 44px);
  background: var(--line);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border: 1px solid var(--line);
  background: rgba(16, 35, 28, 0.6);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--paper);
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease),
    background 0.18s var(--ease), transform 0.18s var(--ease);
}
.btn::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 13px;
  transition: transform 0.18s var(--ease);
}
.btn:hover,
.btn:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  transform: translateY(-2px);
}
.btn:hover::after,
.btn:focus-visible::after { transform: translateX(4px); }
.btn--primary {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--paper);
  border-color: var(--paper);
  color: var(--ink);
}
.btn--ghost { background: transparent; }

/* 标签 / 结论 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}
.tag--lime { color: var(--lime); }
.tag--orange { color: var(--orange); }
.tag--amber { color: var(--amber); }

.callout {
  padding: 16px 20px;
  border-left: 3px solid var(--orange);
  background: rgba(255, 138, 61, 0.09);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}
.callout strong { color: var(--orange); }

/* 票根卡 */
.ticket {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, var(--ink-2), #0C1D17 78%);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease),
    box-shadow 0.2s var(--ease);
}
.ticket::before,
.ticket::after {
  content: "";
  position: absolute;
  top: calc(50% - 7px);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--line);
}
.ticket::before { left: -8px; }
.ticket::after { right: -8px; }
.ticket:hover,
.ticket:focus-within {
  transform: translateY(-3px);
  border-color: var(--lime);
  box-shadow: 0 24px 40px -34px rgba(0, 0, 0, 0.95);
}
.ticket-title {
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  font-weight: 800;
  line-height: 1.35;
}
.ticket-text {
  margin-top: 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-dim);
}
.ticket-stub {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed rgba(111, 119, 114, 0.55);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--mist);
}

/* 编号索引列表 */
.index-list {
  display: grid;
  border-top: 1px solid var(--line);
}
.index-list > li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}
.index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

/* 记分牌数字块 */
.stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: rgba(16, 35, 28, 0.62);
}
.stat-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.2vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

/* 横向轨道 */
.rail { position: relative; }
.rail-track {
  display: flex;
  gap: clamp(14px, 2vw, 22px);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 18px;
  scrollbar-color: var(--concrete) transparent;
  scrollbar-width: thin;
}
.rail-track::-webkit-scrollbar { height: 6px; }
.rail-track::-webkit-scrollbar-track { background: rgba(111, 119, 114, 0.16); }
.rail-track::-webkit-scrollbar-thumb { background: var(--concrete); }
.rail-item {
  flex: 0 0 clamp(238px, 27vw, 336px);
  scroll-snap-align: start;
}

/* 数据对照表 */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(16, 35, 28, 0.5);
}
.data-table {
  width: 100%;
  min-width: 640px;
  font-size: 14px;
}
.data-table th,
.data-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
}
.data-table thead th {
  position: sticky;
  top: 0;
  background: var(--teal);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
}
.data-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--ink-2);
  color: var(--paper);
  font-weight: 600;
  white-space: nowrap;
}
.data-table tbody tr:nth-child(even) { background: rgba(215, 224, 210, 0.07); }
.data-table tbody tr:hover { background: rgba(200, 255, 62, 0.08); }

/* 图片容器基础规则（页面阶段放入 img / svg / picture） */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, #12251D 0%, #0B1A14 56%, #0E2018 100%);
}
.media-frame > img,
.media-frame > svg,
.media-frame > picture,
.media-frame > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 58px;
  height: 3px;
  background: var(--lime);
  pointer-events: none;
}
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame--3x4 { aspect-ratio: 3 / 4; }
.media-frame--tilt { transform: rotate(-1.2deg); }
.media-frame--placeholder::before {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 12px;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--concrete);
}
.media-caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}
.media-grid {
  display: grid;
  gap: clamp(12px, 1.8vw, 20px);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mist);
}
.breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.breadcrumb li + li::before {
  content: "/";
  color: var(--concrete);
}
.breadcrumb a { color: var(--mist); transition: color 0.18s var(--ease); }
.breadcrumb a:hover,
.breadcrumb a:focus-visible { color: var(--lime); }
.breadcrumb [aria-current="page"] { color: var(--lime); }

/* 长文 */
.prose { font-size: 16.5px; line-height: 1.85; color: var(--paper-dim); }
.prose > * + * { margin-top: 1.1em; }
.prose p { max-width: 40em; }
.prose h2 {
  margin-top: 2em;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  line-height: 1.25;
  color: var(--paper);
  letter-spacing: -0.01em;
}
.prose h3 {
  margin-top: 1.6em;
  font-size: 1.12rem;
  color: var(--lime);
  letter-spacing: 0.01em;
}
.prose ul,
.prose ol { padding-left: 1.15em; }
.prose ul li { list-style: none; position: relative; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: -1.15em;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--lime);
}
.prose ol { list-style: decimal; }
.prose ol li::marker {
  font-family: var(--font-mono);
  color: var(--orange);
  font-size: 0.85em;
}
.prose a {
  color: var(--lime);
  border-bottom: 1px solid rgba(200, 255, 62, 0.4);
}
.prose blockquote {
  padding: 14px 20px;
  border-left: 3px solid var(--teal);
  background: rgba(46, 107, 82, 0.16);
  color: var(--paper);
}
.prose strong { color: var(--paper); }

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .nav-list { gap: 10px; }
  .nav-link { font-size: 14px; }
  .nav-index { display: none; }
}

@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .header-bar {
    grid-template-columns: 1fr auto;
    gap: 12px;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    max-height: calc(100vh - var(--header-h, 108px));
    overflow-y: auto;
    padding: 6px var(--gutter) 22px;
    background: rgba(8, 19, 15, 0.985);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 28px 48px -34px rgba(0, 0, 0, 0.95);
  }
  .site-nav[data-open="true"] {
    display: block;
    animation: nav-sheet-in 0.2s var(--ease) both;
  }
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .nav-item { border-bottom: 1px solid var(--line-soft); }
  .nav-item:last-child { border-bottom: 0; }
  .nav-link {
    justify-content: space-between;
    width: 100%;
    padding: 15px 0;
    font-size: 17px;
  }
  .nav-index { display: inline; }
  .nav-link::after { bottom: 8px; right: auto; width: 34px; }

  .footer-top { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .grid--7-5,
  .grid--5-7,
  .grid--thirds { grid-template-columns: minmax(0, 1fr); }
  .stair-lift { margin-top: 0; }
}

@keyframes nav-sheet-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 720px) {
  .header-rail { display: none; }
  .brand-mark { width: 32px; height: 32px; padding: 6px 5px; }
  .brand-sub { letter-spacing: 0.2em; }
}

@media (max-width: 620px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
  .grid--halves { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 560px) {
  .index-link { display: none; }
  .nav-toggle-label { display: none; }
  .nav-toggle { padding: 11px; }
}

/* ============================================================
   动效降级
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .ticket:hover,
  .ticket:focus-within,
  .btn:hover,
  .btn:focus-visible,
  .footer-link:hover,
  .footer-link:focus-visible { transform: none; }
  .scroll-progress span { transition: none; }
}