/* ==========================================================================
   谈球吧站 · 共享外壳样式 /assets/site.css
   夜场指挥台：墨黑绿底 · 荧光青绿数据层 · 一处夜场灯光橙
   ========================================================================== */

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* ---------- 变量 ---------- */
:root {
  /* 色彩 */
  --ink: #06120E;
  --panel: #0C2018;
  --line: #123028;
  --orange: #FF7A1A;
  --orange-soft: #FFB25C;
  --mint: #4BE3A6;
  --paper: #F4EFE6;
  --mist: #9BB3A8;
  --coral: #E4574F;

  /* 字体 */
  --font-display: "Arial Narrow", "Helvetica Neue", Impact, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-data: ui-monospace, "JetBrains Mono", "Roboto Mono", "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;

  /* 五级字号 */
  --fs-12: 12px;
  --fs-14: 14px;
  --fs-16: 16px;
  --fs-24: 24px;
  --fs-44: 44px;

  /* 网格与尺寸 */
  --shell: 1200px;
  --gutter: 24px;
  --gap: 24px;
  --cut: 12px;
  --header-h: 90px;
}

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--paper);
  text-wrap: balance;
}

h1 { font-size: clamp(var(--fs-24), 5.4vw, var(--fs-44)); }
h2 { font-size: clamp(var(--fs-24), 3.6vw, 32px); }
h3 { font-size: var(--fs-24); }
h4 { font-size: var(--fs-16); }

p { text-wrap: pretty; }
strong { font-weight: 700; color: var(--paper); }
small { font-size: var(--fs-12); }
::selection { background: var(--orange); color: #08120E; }

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

/* ---------- 布局骨架 ---------- */
.container {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.container--narrow { max-width: 860px; }

.page-main { padding-top: var(--header-h); }

.section {
  position: relative;
  padding: 56px 0;
  border-top: 1px solid rgba(18, 48, 40, 0.75);
  transition: background 0.24s ease;
}

.section:first-child {
  border-top: 0;
  padding-top: 24px;
}

.section.is-active {
  background: linear-gradient(180deg, rgba(12, 32, 24, 0.62), rgba(6, 18, 14, 0) 180px);
}

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 28px;
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--fs-24);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.section__note {
  max-width: 52ch;
  font-size: var(--fs-14);
  color: var(--mist);
}

.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.grid--auto {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.span-3, .span-4, .span-6, .span-8, .span-12 { grid-column: span 12; }

@media (min-width: 720px) {
  .span-3, .span-4, .span-6 { grid-column: span 6; }
}

@media (min-width: 1040px) {
  .span-3 { grid-column: span 3; }
  .span-4 { grid-column: span 4; }
  .span-6 { grid-column: span 6; }
  .span-8 { grid-column: span 8; }
  .span-12 { grid-column: span 12; }
}

/* ---------- 纹理与面板 ---------- */
.tactical-grid {
  background-image:
    linear-gradient(rgba(75, 227, 166, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(75, 227, 166, 0.07) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center;
}

.panel {
  position: relative;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 16px;
  top: -120px;
  z-index: 120;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--mint);
  color: #06120E;
  font-size: var(--fs-14);
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus { top: 12px; }

/* ==========================================================================
   头部：悬浮胶囊浮岛
   ========================================================================== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  padding: 14px var(--gutter) 0;
  background: linear-gradient(180deg, rgba(6, 18, 14, 0.94) 0%, rgba(6, 18, 14, 0.6) 62%, rgba(6, 18, 14, 0) 100%);
}

.header-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 95;
  background: rgba(18, 48, 40, 0.9);
}

.header-progress__bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--mint), var(--orange));
  transition: transform 0.18s linear;
  will-change: transform;
}

.header-shell {
  max-width: var(--shell);
  margin: 0 auto;
  transition: max-width 0.28s ease;
}

.site-header.is-compact .header-shell { max-width: 1080px; }

.header-capsule {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px 9px 16px;
  border-radius: 999px;
  border: 1px solid rgba(18, 48, 40, 0.95);
  background: rgba(12, 32, 24, 0.82);
  backdrop-filter: blur(14px) saturate(1.2);
  box-shadow: 0 20px 44px -30px #000, inset 0 1px 0 rgba(244, 239, 230, 0.06);
  transition: padding 0.28s ease, background 0.28s ease;
}

.site-header.is-compact .header-capsule {
  padding: 6px 8px 6px 14px;
  background: rgba(9, 26, 19, 0.95);
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--paper);
  text-decoration: none;
}

.brand__mark {
  position: relative;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  background: linear-gradient(140deg, var(--mint), var(--orange));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.brand__text {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.brand__name {
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
}

.brand__badge {
  font-family: var(--font-data);
  font-size: var(--fs-12);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--mint);
  padding: 1px 5px;
  border: 1px solid rgba(75, 227, 166, 0.35);
  border-radius: 4px;
  line-height: 1.4;
}

/* 导航 */
.site-nav { margin-left: auto; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-wrap: nowrap;
}

.site-nav__item { display: block; }

.site-nav__link {
  position: relative;
  display: block;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--mist);
  font-size: var(--fs-14);
  font-weight: 500;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-nav__link:hover {
  color: var(--paper);
  background: rgba(18, 48, 40, 0.9);
}

.site-nav__link[aria-current="page"] {
  color: #08120E;
  background: var(--orange);
  font-weight: 700;
}

.site-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -7px;
  width: 16px;
  height: 2px;
  transform: translateX(-50%);
  background: var(--mint);
  border-radius: 2px;
}

/* 章节读数 */
.chapter-readout {
  display: none;
  align-items: center;
  gap: 7px;
  max-width: 170px;
  padding: 4px 10px;
  border: 1px solid rgba(18, 48, 40, 1);
  border-radius: 999px;
  background: rgba(6, 18, 14, 0.65);
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--mist);
  line-height: 1.5;
}

.chapter-readout__dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 3px rgba(75, 227, 166, 0.16);
}

.chapter-readout__text {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

@media (min-width: 1280px) {
  .chapter-readout { display: inline-flex; }
}

/* 右侧动作区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.header-cta {
  padding: 11px 20px;
  font-size: var(--fs-14);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(6, 18, 14, 0.75);
  cursor: pointer;
  transition: border-color 0.2s ease;
}

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

.nav-toggle__bar {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--paper);
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 899px) {
  :root { --header-h: 78px; }

  .site-header { padding: 10px 14px 0; }
  .header-capsule { padding: 8px 8px 8px 14px; }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    margin: 0;
    display: none;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(6, 18, 14, 0.98);
    box-shadow: 0 34px 70px -34px #000;
    max-height: calc(100vh - 130px);
    overflow-y: auto;
  }

  .site-nav[data-open] { display: block; }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
  }

  .site-nav__link {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: var(--fs-16);
  }

  .site-nav__link[aria-current="page"]::after { display: none; }

  .header-actions { margin-left: auto; }
  .nav-toggle { display: inline-flex; }
  .header-cta { padding: 10px 16px; font-size: var(--fs-12); }
}

@media (max-width: 560px) {
  .header-cta { display: none; }
  .brand__badge { display: none; }
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  position: relative;
  margin-top: 96px;
  background: linear-gradient(180deg, rgba(12, 32, 24, 0.96), var(--ink) 72%);
  border-top: 1px solid var(--line);
  color: var(--paper);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange) 0 22%, var(--mint) 22% 26%, rgba(18, 48, 40, 1) 26% 100%);
}

.footer-shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 56px var(--gutter) 28px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.05fr 1.6fr;
  gap: 48px;
}

.footer-brand { max-width: 380px; }

.footer-brand::before {
  content: "";
  display: block;
  width: 64px;
  height: 6px;
  margin-bottom: 18px;
  background: repeating-linear-gradient(115deg, var(--orange) 0 8px, transparent 8px 16px);
}

.brand--footer { margin-bottom: 18px; }

.footer-tagline {
  max-width: 32ch;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--mist);
}

.footer-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.footer-chip {
  padding: 4px 10px;
  border: 1px solid rgba(75, 227, 166, 0.3);
  border-radius: 999px;
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.03em;
  color: var(--mint);
  line-height: 1.6;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

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

.footer-col__title {
  padding-bottom: 8px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-data);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.footer-col__list {
  display: grid;
  gap: 10px;
}

.footer-col__item { display: block; }

.footer-link {
  font-size: var(--fs-14);
  color: var(--paper);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-link:hover { color: var(--orange-soft); }

.footer-contact { display: grid; gap: 10px; }

.footer-contact__row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  font-size: var(--fs-14);
  line-height: 1.6;
}

.footer-contact__label {
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--mint);
}

.footer-contact__value {
  font-family: var(--font-data);
  font-size: var(--fs-14);
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.footer-contact__note {
  font-size: var(--fs-12);
  color: var(--mist);
  padding-top: 2px;
  border-top: 1px dashed rgba(18, 48, 40, 1);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.footer-legal__copy {
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}

.footer-legal__link {
  font-size: var(--fs-12);
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-legal__link:hover {
  color: var(--paper);
  border-bottom-color: var(--mint);
}

@media (max-width: 959px) {
  .footer-top { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand { max-width: none; }
}

@media (max-width: 640px) {
  .footer-nav { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-shell { padding: 40px var(--gutter) 24px; }
  .site-footer { margin-top: 64px; }
  .footer-legal { margin-top: 32px; }
}

@media (max-width: 420px) {
  .footer-nav { grid-template-columns: 1fr; }
}

/* ==========================================================================
   通用按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: var(--fs-14);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn--primary {
  background: var(--orange);
  color: #08120E;
  box-shadow: 0 10px 26px -14px rgba(255, 122, 26, 0.9);
}

.btn--primary:hover {
  background: var(--orange-soft);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--paper);
}

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

/* ==========================================================================
   标签 / 数据
   ========================================================================== */
.label {
  display: inline-block;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--mint);
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mint);
  line-height: 1.6;
}

.label--muted {
  color: var(--mist);
  border-bottom-color: rgba(155, 179, 168, 0.4);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(6, 18, 14, 0.6);
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.chip:hover {
  color: var(--mint);
  border-color: rgba(75, 227, 166, 0.55);
}

.chip--active {
  background: var(--orange);
  border-color: var(--orange);
  color: #08120E;
  font-weight: 700;
}

.chip--mint {
  color: var(--mint);
  border-color: rgba(75, 227, 166, 0.4);
}

.data {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat__value {
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-24);
  font-weight: 700;
  line-height: 1.2;
  color: var(--mint);
}

.stat__label {
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mist);
}

.data-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(12, 32, 24, 0.55);
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* 倒计时脉冲：全站只出现一处 */
.pulse-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  flex: 0 0 auto;
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px solid var(--orange);
  opacity: 0;
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 0.9; }
  70% { transform: scale(1.5); opacity: 0; }
  100% { transform: scale(1.5); opacity: 0; }
}

/* ==========================================================================
   卡片
   ========================================================================== */
.card {
  position: relative;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.card:hover {
  background: #0E251C;
  border-color: rgba(75, 227, 166, 0.5);
  transform: translateY(-2px);
}

.card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--fs-16);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.card__meta {
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.05em;
  color: var(--mist);
  white-space: nowrap;
}

.card__body {
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist);
}

.card--accent {
  border-color: rgba(255, 122, 26, 0.55);
  background: linear-gradient(150deg, rgba(255, 122, 26, 0.14), rgba(12, 32, 24, 0.92) 58%);
}

/* ==========================================================================
   图片容器（页面阶段放图片占位）
   ========================================================================== */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(155deg, #0C2018, #06120E 70%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
}

.media--16x9 { aspect-ratio: 16 / 9; }
.media--1x1 { aspect-ratio: 1 / 1; }
.media--21x9 { aspect-ratio: 21 / 9; }

.media img,
.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.88) contrast(1.06);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(6, 18, 14, 0) 45%, rgba(6, 18, 14, 0.84) 100%),
    repeating-linear-gradient(0deg, rgba(75, 227, 166, 0.07) 0 1px, transparent 1px 5px);
}

.media__tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: rgba(6, 18, 14, 0.78);
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--paper);
}

/* ==========================================================================
   面包屑
   ========================================================================== */
.breadcrumb { padding: 18px 0 0; }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-data);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.breadcrumb__link:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.breadcrumb__sep { color: rgba(155, 179, 168, 0.5); }

.breadcrumb__current { color: var(--paper); }

/* ==========================================================================
   滚动显现（由 JS 追加 .reveal-armed / .is-visible）
   ========================================================================== */
.reveal-armed {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  transition-delay: calc(var(--reveal-i, 0) * 60ms);
}

.reveal-armed.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;
  }

  .pulse-dot::after { animation: none; opacity: 0.5; transform: none; }
  .reveal-armed { opacity: 1; transform: none; transition: none; }
  .card:hover { transform: none; }
  .btn--primary:hover { transform: none; }
  .header-progress__bar { transition: none; }
}