/* =========================================================
   开运体育 · /assets/site.css
   共享外壳：左侧轨道导航 + 堆叠面板基底 + 坐标网格
   ========================================================= */

:root {
  --ink-950: #06090D;
  --ink-850: #0E151C;
  --ink-800: #131C25;
  --ink-750: rgba(22, 32, 42, 0.72);
  --grid-600: #263440;
  --text-hi: #F4F7FA;
  --text-mid: #9FB0BE;
  --signal: #FF5A2B;
  --signal-soft: #FF8A5C;
  --signal-deep: #C93A12;
  --plateau: #4F86C6;
  --teal: #2FD8B0;
  --amber: #FFC24B;
  --glass-hi: rgba(244, 247, 250, 0.08);
  --glass-line: rgba(244, 247, 250, 0.14);

  --rail-w: 72px;
  --rail-w-open: 232px;
  --topbar-h: 58px;
  --gutter: clamp(18px, 4vw, 48px);
  --radius: 12px;

  --font-display: "Barlow Condensed", "Oswald", "Arial Narrow", "Noto Sans SC", "PingFang SC", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Consolas, "Courier New", monospace;

  --ease: cubic-bezier(0.22, 0.68, 0.28, 1);
  --p: 0;
}

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

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

body {
  margin: 0;
  padding-top: var(--topbar-h);
  background-color: var(--ink-950);
  background-image:
    linear-gradient(to right, rgba(38, 52, 64, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(38, 52, 64, 0.42) 1px, transparent 1px);
  background-size: 72px 72px;
  color: var(--text-hi);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

@media (min-width: 901px) {
  body {
    padding-top: 0;
    padding-left: var(--rail-w);
  }
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.6em;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.02em;
}

p { margin: 0 0 1.2em; }

p:last-child, ul:last-child, ol:last-child { margin-bottom: 0; }

ul, ol { margin: 0 0 1.2em; padding-left: 1.2em; }

img, svg, video { max-width: 100%; display: block; }

a { color: var(--signal-soft); text-decoration: none; }
a:hover { color: var(--signal); }

button { font: inherit; }

::selection { background: var(--signal); color: #12070A; }

a:focus-visible,
button:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--signal-soft);
  outline-offset: 2px;
  border-radius: 4px;
}

#main-content {
  outline: none;
  scroll-margin-top: calc(var(--topbar-h) + 14px);
}

@media (min-width: 901px) {
  #main-content { scroll-margin-top: 14px; }
}

/* ---------------- 跳过链接 ---------------- */

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: 8px;
  background: var(--signal);
  color: #140A05;
  font-size: 13px;
  letter-spacing: 0.08em;
  transform: translateY(-180%);
  transition: transform 0.24s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
  color: #140A05;
}

/* ---------------- 头部轨道 ---------------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  height: var(--topbar-h);
  overflow: hidden;
  background: rgba(6, 9, 13, 0.92);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  border-bottom: 1px solid var(--grid-600);
  transition: height 0.32s var(--ease), background-color 0.32s var(--ease);
}

.site-header[data-open] {
  height: 100vh;
  height: 100dvh;
  background: rgba(6, 9, 13, 0.985);
}

.rail-head {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: var(--topbar-h);
  padding: 0 14px;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--text-hi);
  text-decoration: none;
}

.brand:hover { color: var(--text-hi); }

.brand-glyph {
  position: relative;
  flex: 0 0 34px;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: linear-gradient(150deg, var(--signal), var(--signal-deep));
  color: #150A05;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand-glyph::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.42);
  pointer-events: none;
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  white-space: nowrap;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.15;
  color: var(--text-hi);
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--text-mid);
  line-height: 1.4;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid var(--grid-600);
  border-radius: 9px;
  background: var(--ink-750);
  color: var(--text-hi);
  font-size: 12px;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.nav-toggle:hover { border-color: var(--signal); color: var(--signal-soft); }

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: background-color 0.2s var(--ease);
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s var(--ease), top 0.25s var(--ease);
}

.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }

.site-header[data-open] .nav-toggle-bars { background: 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); }

.scroll-track {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(38, 52, 64, 0.55);
  pointer-events: none;
}

.scroll-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(var(--p, 0));
  transform-origin: left center;
  will-change: transform;
  background: linear-gradient(90deg, var(--teal), var(--amber) 55%, var(--signal));
}

.rail-body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 16px 14px 28px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.24s var(--ease), visibility 0.24s var(--ease);
}

.site-header[data-open] .rail-body {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.rail-nav {
  flex: 0 0 auto;
  min-width: 0;
}

.rail-hint {
  margin: 0 0 12px;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-mid);
  white-space: nowrap;
}

.rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.rail-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 10px;
  border-radius: 9px;
  color: var(--text-mid);
  font-size: 14px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.rail-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 2px;
  height: 0;
  border-radius: 2px;
  background: var(--signal);
  transform: translateY(-50%);
  transition: height 0.24s var(--ease);
}

.rail-link:hover {
  color: var(--text-hi);
  background: var(--glass-hi);
}

.rail-link[aria-current="page"] {
  color: var(--text-hi);
  background: linear-gradient(90deg, rgba(255, 90, 43, 0.16), rgba(255, 90, 43, 0));
}

.rail-link[aria-current="page"]::before { height: 22px; }
.rail-link[aria-current="page"] .rail-num { color: var(--signal); }

.rail-num {
  flex: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-align: right;
  color: var(--text-mid);
  transition: color 0.2s var(--ease);
}

.rail-label { color: inherit; }

.rail-foot {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--grid-600);
  min-width: 0;
}

.rail-status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 4px;
  padding: 0 10px;
  white-space: nowrap;
}

.rail-pulse {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal);
  animation: rail-pulse 2.4s infinite;
}

@keyframes rail-pulse {
  0% { box-shadow: 0 0 0 0 rgba(47, 216, 176, 0.45); }
  70% { box-shadow: 0 0 0 8px rgba(47, 216, 176, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 216, 176, 0); }
}

.rail-status-text {
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--text-mid);
}

.rail-cta {
  width: 100%;
  justify-content: flex-start;
  min-height: 44px;
  padding: 0 12px;
  white-space: nowrap;
}

.cta-glyph { flex: 0 0 auto; font-size: 14px; }

.cta-text { overflow: hidden; text-overflow: ellipsis; }

/* 桌面端：窄轨道展开 */

@media (min-width: 901px) {
  .site-header {
    right: auto;
    bottom: 0;
    height: auto;
    width: var(--rail-w);
    overflow: hidden;
    background: var(--ink-750);
    border-bottom: 0;
    border-right: 1px solid var(--grid-600);
    transition: width 0.3s var(--ease);
  }

  .site-header:hover,
  .site-header:focus-within { width: var(--rail-w-open); }

  .rail-head {
    justify-content: flex-start;
    width: var(--rail-w-open);
    height: var(--rail-w);
    padding: 0 18px;
    border-bottom: 1px solid var(--grid-600);
  }

  .rail-body {
    width: var(--rail-w-open);
    gap: 0;
    padding: 18px 16px 22px;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .rail-nav {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
  }

  .scroll-track {
    left: auto;
    right: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    height: auto;
  }

  .scroll-bar {
    width: 100%;
    height: 100%;
    transform: scaleY(var(--p, 0));
    transform-origin: center top;
    background: linear-gradient(180deg, var(--signal), var(--amber) 45%, var(--teal));
  }

  .nav-toggle { display: none; }
}

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease),
    border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn-accent {
  background: var(--signal);
  color: #140A05;
  font-weight: 600;
}

.btn-accent:hover { background: var(--signal-soft); color: #140A05; }
.btn-accent:active { background: var(--signal-deep); color: #140A05; }

.btn-ghost {
  background: rgba(244, 247, 250, 0.04);
  color: var(--text-hi);
  border-color: var(--grid-600);
}

.btn-ghost:hover {
  color: var(--signal-soft);
  border-color: var(--signal);
}

.btn-ghost:active { border-color: var(--signal-deep); color: var(--signal-soft); }

/* ---------------- 页脚 ---------------- */

.site-footer {
  position: relative;
  margin-top: clamp(56px, 10vw, 132px);
  background: var(--ink-950);
  border-top: 1px solid var(--grid-600);
}

.footer-band {
  height: 3px;
  background: linear-gradient(90deg, var(--signal), var(--amber) 32%, var(--teal) 62%, var(--plateau));
  opacity: 0.92;
}

.footer-inner {
  width: min(1280px, 100% - var(--gutter) * 2);
  margin: 0 auto;
  padding: clamp(36px, 6vw, 76px) 0 clamp(20px, 3vw, 34px);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.footer-brand { min-width: 0; }

.footer-mark {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 400;
  letter-spacing: 0.18em;
  line-height: 1.1;
  color: var(--text-hi);
}

.footer-sub {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  color: var(--text-mid);
}

.footer-line {
  margin: 20px 0 0;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--text-hi);
}

.footer-coord {
  position: relative;
  height: 22px;
  margin-top: 14px;
  border-bottom: 1px solid var(--grid-600);
  background-image: repeating-linear-gradient(
    90deg,
    var(--grid-600) 0 1px,
    transparent 1px 14px
  );
}

.footer-coord::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 48px;
  height: 2px;
  background: var(--signal);
}

.footer-egg {
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--plateau);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  min-width: 0;
}

.footer-col { min-width: 0; }

.footer-col-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-mid);
}

.footer-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--text-hi);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.footer-link::before {
  content: "";
  width: 10px;
  height: 1px;
  background: var(--grid-600);
  transition: width 0.24s var(--ease), background-color 0.24s var(--ease);
}

.footer-link:hover { color: var(--signal-soft); }
.footer-link:hover::before { width: 20px; background: var(--signal); }
.footer-link[aria-current="page"] { color: var(--signal-soft); }

.footer-contact { min-width: 0; }

.contact-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact-key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-mid);
}

.contact-val {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-hi);
  word-break: break-word;
}

.footer-bottom {
  margin-top: clamp(28px, 4vw, 56px);
  padding-top: 18px;
  border-top: 1px solid var(--grid-600);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
}

.footer-copy,
.footer-icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-mid);
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
}

@media (min-width: 901px) and (max-width: 1080px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); }
  .footer-contact { grid-column: 1 / -1; }
}

/* ---------------- 通用容器与画板 ---------------- */

.container {
  width: min(1280px, 100% - var(--gutter) * 2);
  margin-inline: auto;
}

.section {
  position: relative;
  margin-top: clamp(18px, 3vw, 32px);
  padding: clamp(26px, 4.5vw, 64px);
  background: var(--ink-850);
  border: 1px solid var(--grid-600);
  border-radius: 14px;
  overflow: hidden;
}

.section:first-of-type { margin-top: clamp(14px, 2.4vw, 26px); }

.panel {
  background: var(--ink-850);
  border: 1px solid var(--grid-600);
  border-radius: var(--radius);
  padding: clamp(18px, 3vw, 34px);
  min-width: 0;
}

.glass-panel {
  background: var(--ink-750);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--glass-hi);
  border-radius: var(--radius);
  padding: 16px 18px;
  min-width: 0;
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: clamp(12px, 2vw, 28px);
  margin-bottom: clamp(20px, 3vw, 38px);
}

.section-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--text-mid);
}

.section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 5.5vw, 4.4rem);
  line-height: 1.02;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-hi);
}

@media (max-width: 900px) {
  .section-title { font-size: clamp(1.9rem, 9vw, 2.8rem); }
}

.section-lead {
  max-width: 68ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-mid);
}

/* ---------------- 数据与标签 ---------------- */

.metric {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: 1.25em;
  letter-spacing: 0.01em;
  color: var(--text-hi);
}

.metric-lg {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.1;
  color: var(--signal);
}

.label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--text-mid);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--grid-600);
  border-radius: 999px;
  background: rgba(38, 52, 64, 0.25);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-mid);
  text-decoration: none;
}

.chip-accent {
  color: var(--signal-soft);
  border-color: rgba(255, 90, 43, 0.4);
  background: rgba(255, 90, 43, 0.08);
}

.chip-live {
  color: var(--teal);
  border-color: rgba(47, 216, 176, 0.35);
  background: rgba(47, 216, 176, 0.07);
}

.data-strip {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(180px, 1fr);
  gap: 1px;
  background: var(--grid-600);
  border: 1px solid var(--grid-600);
  border-radius: var(--radius);
  overflow-x: auto;
  overflow-y: hidden;
}

.data-strip > * {
  background: var(--ink-850);
  padding: 16px 18px;
  min-width: 0;
}

/* ---------------- 档案卡 ---------------- */

.file-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 18px 20px;
  background: var(--ink-850);
  border: 1px solid var(--grid-600);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease),
    box-shadow 0.22s var(--ease);
}

.file-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 90, 43, 0.55);
  box-shadow: 0 16px 32px -22px rgba(255, 90, 43, 0.75);
  color: inherit;
}

.file-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.file-card__title {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-hi);
}

.file-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-mid);
}

.file-card__body {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-mid);
}

/* ---------------- 图片容器 ---------------- */

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--grid-600);
  border-radius: var(--radius);
  background: var(--ink-850);
  aspect-ratio: 16 / 9;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  box-shadow: inset 0 1px 0 var(--glass-hi);
  pointer-events: none;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-hi);
  background: linear-gradient(180deg, transparent, rgba(6, 9, 13, 0.9));
}

/* ---------------- 面包屑 ---------------- */

.breadcrumbs { margin: clamp(18px, 3vw, 34px) 0 0; }

.breadcrumb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-mid);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--grid-600);
}

.breadcrumb-item a { color: var(--text-mid); }
.breadcrumb-item a:hover { color: var(--signal-soft); }
.breadcrumb-item[aria-current="page"] { color: var(--text-hi); }

/* ---------------- 收尾行动带 ---------------- */

.cta-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--grid-600);
  border-radius: 14px;
  background: linear-gradient(120deg, rgba(255, 90, 43, 0.12), rgba(79, 134, 198, 0.08) 55%, rgba(6, 9, 13, 0));
}

.cta-band__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--text-hi);
}

.cta-band__text {
  margin: 0;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-mid);
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------------- 工具类 ---------------- */

.text-mid { color: var(--text-mid); }
.text-signal { color: var(--signal); }
.text-teal { color: var(--teal); }
.text-plateau { color: var(--plateau); }

/* ---------------- 滚动显现 ---------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------------- 动效降级 ---------------- */

@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;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .scroll-bar { will-change: auto; }
}