/* ==========================================================================
   BET365看台 — 共享样式表 /assets/site.css
   侧边轨道 + 暖白看台 · 极细边界 · 珠宝色分区
   ========================================================================== */

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

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

body {
  margin: 0;
  background: var(--warm);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

ul, ol { margin: 0; padding: 0; list-style: none; }

p { margin: 0 0 1.2em; }

hr { border: 0; }

table { border-collapse: collapse; }

/* ---------- 2. 变量 ---------- */
:root {
  --green: #12764A;
  --green-deep: #072A21;
  --jade: #1F9E68;
  --concrete: #9AA096;
  --concrete-lt: #D8D5CC;
  --warm: #F7F5EF;
  --signal: #F0662A;
  --indigo: #23395E;
  --wine: #7C3145;
  --ink: #1E231F;
  --ink-soft: #4A524B;

  --rail-w: 236px;
  --topbar-h: 60px;

  --shadow-soft: 0 1px 2px rgba(7, 42, 33, .05), 0 10px 28px -22px rgba(7, 42, 33, .55);

  --font-display: "Oswald", "Barlow Condensed", "Arial Narrow", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, sans-serif;
  --font-body: "Inter", "Source Han Sans SC", "Noto Sans SC", -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

/* ---------- 3. 排版 ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.005em;
  color: var(--ink);
  margin: 0 0 .55em;
  text-wrap: balance;
  overflow-wrap: break-word;
}

h1 { font-size: clamp(32px, 5.2vw, 62px); }
h2 { font-size: clamp(25px, 3.4vw, 40px); }
h3 { font-size: clamp(19px, 2.1vw, 26px); }
h4 { font-size: clamp(16px, 1.5vw, 19px); }

.lead {
  font-size: clamp(16px, 1.3vw, 18.5px);
  line-height: 1.8;
  color: var(--ink-soft);
}

.muted { color: var(--ink-soft); }

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 4. 焦点 ---------- */
:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: fixed;
  top: 8px; left: 8px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--signal);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  border-radius: 2px;
  transform: translateY(-180%);
  transition: transform .22s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 5. 布局容器 ---------- */
.wrap {
  width: 100%;
  max-width: 1220px;
  margin-inline: auto;
  padding-inline: clamp(18px, 3.4vw, 54px);
}
.wrap--wide { max-width: 1420px; }

.section { padding-block: clamp(44px, 6vw, 90px); }
.section--tight { padding-block: clamp(26px, 3.6vw, 52px); }

.section__head { max-width: 46em; margin-bottom: clamp(26px, 3.4vw, 46px); }
.section__title { margin: 0 0 .38em; }
.section__lead { margin: 0; font-size: clamp(15px, 1.2vw, 17.5px); color: var(--ink-soft); max-width: 38em; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: currentColor; }

.divider {
  height: 1px;
  background: var(--concrete-lt);
  margin: clamp(26px, 4vw, 56px) 0;
}

/* ---------- 6. 网格 ---------- */
.grid { display: grid; gap: clamp(18px, 2.4vw, 34px); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.grid--split { grid-template-columns: 1fr; }
.grid--stagger { grid-template-columns: 1fr; }

@media (min-width: 900px) {
  .grid--split { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: clamp(30px, 4vw, 68px); }
  .grid--stagger { grid-template-columns: repeat(3, 1fr); }
  .grid--stagger > *:nth-child(3n + 2) { margin-top: 48px; }
  .grid--stagger > *:nth-child(3n + 3) { margin-top: 96px; }
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: .02em;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: background-color .22s ease, color .22s ease, border-color .22s ease;
}

.btn--primary { background: var(--green); border-color: var(--green); color: #fff; }
.btn--primary:hover { background: var(--jade); border-color: var(--jade); }

.btn--line { background: transparent; border-color: rgba(154, 160, 150, .45); color: var(--warm); }
.btn--line:hover { border-color: var(--jade); background: rgba(31, 158, 104, .15); color: #fff; }

.btn--ghost { background: transparent; border-color: var(--concrete-lt); color: var(--green); }
.btn--ghost:hover { border-color: var(--green); background: rgba(18, 118, 74, .07); }

.btn--sm { padding: 7px 13px; font-size: 12.5px; }

/* ---------- 8. 头部 / 侧边轨道 ---------- */
body { padding-top: var(--topbar-h); }

@media (min-width: 1024px) {
  body { padding-top: 0; padding-left: var(--rail-w); }
}

.site-header {
  position: fixed;
  top: 0; left: 0;
  z-index: 80;
  background: var(--green-deep);
  color: var(--warm);
}

@media (max-width: 1023px) {
  .site-header {
    right: 0;
    height: var(--topbar-h);
    border-bottom: 1px solid rgba(154, 160, 150, .22);
  }
}

@media (min-width: 1024px) {
  .site-header {
    bottom: 0;
    width: var(--rail-w);
    border-right: 1px solid rgba(154, 160, 150, .18);
  }
}

/* --- 移动端顶栏 --- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  height: 100%;
  padding: 0 12px 0 16px;
}

@media (min-width: 1024px) {
  .topbar { display: none; }
}

/* --- 品牌 --- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--warm);
}

.brand-mark {
  flex: 0 0 auto;
  width: 24px; height: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  padding: 0 5px;
  border: 1px solid rgba(31, 158, 104, .62);
}

.brand-mark i { display: block; height: 1px; background: var(--jade); }
.brand-mark i:nth-child(2) { width: 56%; }

.brand-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1;
  letter-spacing: .02em;
}

.brand--rail .brand-mark { width: 28px; height: 28px; }
.brand--rail .brand-text { font-size: 20px; }
.brand--foot .brand-text { font-size: 19px; }

/* --- 导航开关 --- */
.nav-toggle {
  flex: 0 0 auto;
  width: 40px; height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(154, 160, 150, .42);
  border-radius: 2px;
  color: var(--warm);
  transition: border-color .2s ease, background-color .2s ease;
}
.nav-toggle:hover { border-color: var(--jade); background: rgba(31, 158, 104, .14); }

.nav-toggle__bars { display: flex; flex-direction: column; gap: 4px; width: 16px; }
.nav-toggle__bars i {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform .25s var(--ease), opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

@media (min-width: 1024px) {
  .nav-toggle { display: none; }
}

/* --- 轨道主体 --- */
.site-rail {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px 18px 28px;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: rgba(154, 160, 150, .35) transparent;
}
.site-rail::-webkit-scrollbar { width: 6px; }
.site-rail::-webkit-scrollbar-thumb { background: rgba(154, 160, 150, .32); border-radius: 3px; }

@media (max-width: 1023px) {
  .site-rail {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    height: auto;
    z-index: 90;
    width: min(86vw, 320px);
    padding: 24px 18px 34px;
    background: var(--green-deep);
    border-right: 1px solid rgba(31, 158, 104, .3);
    box-shadow: 28px 0 64px -40px rgba(0, 0, 0, .85);
    transform: translateX(-102%);
    visibility: hidden;
    transition: transform .3s var(--ease), visibility .3s;
  }
  .site-rail[data-open] { transform: translateX(0); visibility: visible; }
}

body[data-nav-open] { overflow: hidden; }

.rail-brand { flex: 0 0 auto; }

.rail-tagline {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--concrete);
  letter-spacing: .01em;
}

/* --- 实时比分条 --- */
.live-strip {
  position: relative;
  flex: 0 0 auto;
  margin-top: 22px;
  padding: 12px 12px 10px;
  background: rgba(247, 245, 239, .04);
  border: 1px solid rgba(154, 160, 150, .28);
  border-left: 2px solid var(--signal);
}

.live-strip__head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--concrete);
}

.live-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--signal);
  animation: livePulse 2s infinite;
}

@keyframes livePulse {
  0%   { box-shadow: 0 0 0 0 rgba(240, 102, 42, .55); }
  70%  { box-shadow: 0 0 0 8px rgba(240, 102, 42, 0); }
  100% { box-shadow: 0 0 0 0 rgba(240, 102, 42, 0); }
}

.live-strip__label { color: var(--signal); font-weight: 600; }

.live-strip__clock { margin-left: auto; font-size: 11.5px; color: var(--concrete); letter-spacing: 0; }

.live-strip__score {
  display: grid;
  grid-template-columns: 1fr auto auto auto 1fr;
  align-items: center;
  gap: 5px;
  margin: 11px 0 4px;
  font-size: 12.5px;
}

.live-strip__team { color: rgba(247, 245, 239, .78); line-height: 1.3; }
.live-strip__team:first-of-type { text-align: left; }
.live-strip__team:last-of-type { text-align: right; }

.live-strip__num {
  font-size: 23px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  color: #fff;
}

.live-strip__colon { color: var(--concrete); font-size: 15px; }

.live-strip__more {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 10px;
  padding-top: 9px;
  border-top: 1px solid rgba(154, 160, 150, .22);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--concrete);
  transition: color .2s ease;
}
.live-strip__more:hover { color: var(--warm); }
.live-strip__more::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--jade);
  transition: transform .25s var(--ease);
}
.live-strip__more[aria-expanded="true"]::after { transform: rotate(45deg); }

.live-strip__list {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height .3s var(--ease), opacity .25s ease;
}
.live-strip[data-expanded="true"] .live-strip__list { max-height: 150px; opacity: 1; }

@media (min-width: 1024px) {
  .live-strip:hover .live-strip__list,
  .live-strip:focus-within .live-strip__list { max-height: 150px; opacity: 1; }
}

.live-strip__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(154, 160, 150, .14);
  font-size: 11.5px;
  color: rgba(247, 245, 239, .6);
}
.live-strip__row:last-child { border-bottom: 0; }
.live-strip__row .mono { font-size: 12px; color: var(--warm); }

/* --- 轨道导航 --- */
.rail-nav {
  flex: 0 0 auto;
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid rgba(154, 160, 150, .22);
}

.rail-nav__list { counter-reset: railnav; display: flex; flex-direction: column; }
.rail-nav__list li { counter-increment: railnav; }

.rail-nav__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 12px;
  font-size: 15px;
  line-height: 1.4;
  color: rgba(247, 245, 239, .64);
  border-left: 2px solid transparent;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}

.rail-nav__link::before {
  content: counter(railnav, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--concrete);
  transition: color .2s ease;
}

.rail-nav__link:hover { color: var(--warm); background: rgba(247, 245, 239, .06); }

.rail-nav__link[aria-current="page"] {
  color: #fff;
  font-weight: 600;
  border-left-color: var(--jade);
  background: linear-gradient(90deg, rgba(31, 158, 104, .24), rgba(31, 158, 104, 0));
}
.rail-nav__link[aria-current="page"]::before { color: var(--jade); }

/* --- 轨道动作与注释 --- */
.rail-actions {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 24px;
}

.rail-note {
  margin: 20px 0 0;
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--concrete);
  overflow-wrap: anywhere;
}
.rail-note .mono { color: rgba(247, 245, 239, .74); font-size: 11.5px; }

/* --- 遮罩 --- */
.rail-scrim { display: none; }

@media (max-width: 1023px) {
  .rail-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 85;
    padding: 0;
    border: 0;
    background: rgba(7, 42, 33, .6);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
  }
  .rail-scrim[data-open] { opacity: 1; pointer-events: auto; }
}

/* --- 阅读进度 --- */
.scroll-progress {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  z-index: 120;
  background: rgba(154, 160, 150, .16);
  pointer-events: none;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--signal);
  transition: width .12s linear;
}

/* ---------- 9. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 8vw, 112px);
  background: var(--green-deep);
  color: rgba(247, 245, 239, .68);
  border-top: 1px solid rgba(31, 158, 104, .32);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 72px; height: 2px;
  background: var(--signal);
}

.site-footer::after {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: min(340px, 46%);
  height: 100%;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    180deg,
    rgba(247, 245, 239, .045) 0 1px,
    transparent 1px 14px
  );
}

.footer-inner {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin-inline: auto;
  padding: clamp(38px, 5vw, 68px) clamp(18px, 4vw, 56px) 0;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

@media (min-width: 760px) {
  .footer-top { grid-template-columns: minmax(200px, 1fr) minmax(0, 2fr); }
}

.footer-tag {
  margin: 14px 0 0;
  max-width: 20em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--concrete);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: clamp(20px, 3vw, 38px);
}

.footer-col__title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--jade);
  border-bottom: 1px solid rgba(154, 160, 150, .22);
}

.footer-col__list a {
  display: inline-block;
  padding: 5px 0;
  font-size: 14.5px;
  color: rgba(247, 245, 239, .72);
  transition: color .2s ease, transform .2s ease;
}
.footer-col__list a:hover { color: #fff; transform: translateX(3px); }

.footer-meta {
  display: grid;
  gap: 10px;
  margin-top: clamp(30px, 4vw, 52px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid rgba(154, 160, 150, .2);
}

.footer-meta__line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin: 0;
  font-size: 14px;
}

.footer-meta__key {
  flex: 0 0 auto;
  min-width: 5.4em;
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--concrete);
}

.footer-meta__line .mono { color: rgba(247, 245, 239, .88); font-size: 13.5px; }

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 26px;
  margin-top: clamp(28px, 4vw, 46px);
  padding: 18px 0 28px;
  border-top: 1px solid rgba(154, 160, 150, .2);
  font-size: 12.5px;
  color: var(--concrete);
}

.footer-icp {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: rgba(247, 245, 239, .62);
}

.footer-copy { letter-spacing: .02em; }

/* ---------- 10. 通用组件 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, .6);
  border: 1px solid var(--concrete-lt);
}
.tag--live { color: var(--signal); border-color: rgba(240, 102, 42, .5); background: rgba(240, 102, 42, .07); }
.tag--season { color: var(--green); border-color: rgba(18, 118, 74, .4); background: rgba(18, 118, 74, .06); }

.tile {
  position: relative;
  padding: clamp(20px, 2.4vw, 30px);
  background: #fff;
  border: 1px solid var(--concrete-lt);
  box-shadow: var(--shadow-soft);
}
.tile--flat { background: transparent; box-shadow: none; }
.tile--deep {
  background: var(--green-deep);
  border-color: rgba(154, 160, 150, .24);
  color: rgba(247, 245, 239, .84);
}
.tile--deep h2, .tile--deep h3, .tile--deep h4 { color: #fff; }
.tile__title { margin: 0 0 .5em; }

.band {
  position: relative;
  margin-block: clamp(34px, 5vw, 76px);
  padding: clamp(30px, 4vw, 56px) clamp(20px, 3.4vw, 50px);
  background: var(--green-deep);
  color: rgba(247, 245, 239, .86);
  overflow: hidden;
}
.band--deep { background: var(--green-deep); }
.band--indigo { background: var(--indigo); }
.band--wine { background: var(--wine); }

.band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(247, 245, 239, .055) 0 1px,
    transparent 1px 58px
  );
}

.band > * { position: relative; z-index: 1; }

.band h2, .band h3, .band h4 { color: #fff; }
.band p { color: rgba(247, 245, 239, .8); }
.band .eyebrow { color: var(--jade); }
.band--indigo .eyebrow { color: #9FB6DA; }
.band--wine .eyebrow { color: #E7AEBE; }

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4vw, 52px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--green);
}
.band .stat__num, .tile--deep .stat__num { color: #fff; }

.stat__label {
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--concrete);
}

.meter {
  position: relative;
  height: 4px;
  background: var(--concrete-lt);
  overflow: hidden;
}
.meter__fill {
  display: block;
  height: 100%;
  width: var(--v, 50%);
  background: var(--jade);
}
.band .meter, .tile--deep .meter { background: rgba(247, 245, 239, .18); }

/* --- 媒体容器（页面阶段放图） --- */
.media-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--concrete-lt);
  background:
    linear-gradient(135deg, #E9E6DD 0%, #D8D5CC 100%);
}
.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    135deg,
    rgba(7, 42, 33, .05) 0 1px,
    transparent 1px 22px
  );
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 3 / 4; }

.media-frame > img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.03);
  transition: transform .5s var(--ease);
}
.media-frame:hover > img { transform: scale(1.02); }

.media-frame__caption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 12px 15px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: rgba(247, 245, 239, .92);
  background: linear-gradient(0deg, rgba(7, 42, 33, .86), rgba(7, 42, 33, 0));
}

/* --- 面包屑 --- */
.breadcrumb { padding: clamp(14px, 2vw, 22px) 0 0; font-size: 12.5px; }
.breadcrumb__list { display: flex; flex-wrap: wrap; align-items: center; gap: 9px; }
.breadcrumb__link { color: var(--concrete); transition: color .2s ease; }
.breadcrumb__link:hover { color: var(--green); }
.breadcrumb__sep { color: var(--concrete-lt); }
.breadcrumb__current { color: var(--ink); }

/* --- 折叠面板 --- */
.accordion { border-top: 1px solid var(--concrete-lt); }
.accordion__item { border-bottom: 1px solid var(--concrete-lt); }

.accordion__trigger {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 4px;
  text-align: left;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 700;
  color: var(--ink);
  transition: color .2s ease;
}
.accordion__trigger:hover { color: var(--green); }

.accordion__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .04em;
  color: var(--concrete);
}

.accordion__trigger::after {
  content: "";
  flex: 0 0 auto;
  width: 9px; height: 9px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform .25s var(--ease);
}
.accordion__trigger[aria-expanded="true"]::after { transform: rotate(-135deg); }

.accordion__panel {
  display: none;
  padding: 0 4px 22px;
  color: var(--ink-soft);
}
.accordion__panel[data-open] { display: block; }

/* --- 表格 --- */
.table-scroll {
  overflow-x: auto;
  background: #fff;
  border: 1px solid var(--concrete-lt);
}

.data-table {
  width: 100%;
  min-width: 520px;
  font-size: 14.5px;
}
.data-table th, .data-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--concrete-lt);
}
.data-table thead th {
  background: var(--green-deep);
  color: rgba(247, 245, 239, .9);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  white-space: nowrap;
}
.data-table tbody tr:nth-child(even) { background: rgba(216, 213, 204, .24); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table .mono { font-variant-numeric: tabular-nums; }

/* --- 正文 --- */
.prose { max-width: 68ch; }
.prose p { margin: 0 0 1.2em; }
.prose h2, .prose h3 { margin-top: 1.8em; }
.prose ul, .prose ol { margin: 0 0 1.2em; padding-left: 1.3em; }
.prose ul { list-style: square; }
.prose ol { list-style: decimal; }
.prose li { margin-bottom: .5em; }
.prose a { color: var(--green); border-bottom: 1px solid rgba(18, 118, 74, .35); }
.prose a:hover { border-bottom-color: var(--green); }

/* ---------- 11. 滚动显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .4s ease, transform .4s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- 12. 响应式微调 ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .footer-base { justify-content: flex-start; }
  .breadcrumb { font-size: 12px; }
}

@media (min-width: 1024px) {
  .rail-nav__link { font-size: 14.5px; }
}

/* ---------- 13. Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

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

  .live-dot { animation: none; box-shadow: none; background: var(--signal); }

  .live-strip__list { transition: none; }

  .media-frame:hover > img { transform: none; }

  .footer-col__list a:hover { transform: none; }
}