/* ==========================================================================
   必一赛事 · 共享站点样式 /assets/site.css
   夜场墨绿底色 + 荧光青绿数据高亮 + 暖橙权益按钮
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body,
h1, h2, h3, h4, h5, 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; text-decoration: none; }

button, input, select, textarea { font: inherit; color: inherit; }

button { background: none; border: 0; padding: 0; cursor: pointer; }

table { border-collapse: collapse; width: 100%; }

/* --- 2. 变量 ----------------------------------------------------------- */
:root {
  --ink: #071A15;
  --ink-2: #0C2B21;
  --ink-3: #123A2D;
  --paper: #F4F1E7;
  --paper-70: rgba(244, 241, 231, 0.72);
  --paper-50: rgba(244, 241, 231, 0.5);
  --lime: #7CFFB2;
  --aqua: #33E0D0;
  --orange: #FF8A3D;
  --amber: #FFC857;
  --mist: #AFC3BB;
  --deep-ink: #10251D;

  --line: rgba(175, 195, 187, 0.22);
  --line-soft: rgba(175, 195, 187, 0.12);
  --line-strong: rgba(124, 255, 178, 0.42);

  --font-display: 'Archivo Narrow', 'Oswald', 'Noto Sans SC', sans-serif;
  --font-serif: 'Noto Serif SC', 'Songti SC', serif;
  --font-body: 'Inter', 'Noto Sans SC', 'PingFang SC', sans-serif;
  --font-mono: 'JetBrains Mono', 'Roboto Mono', 'SFMono-Regular', monospace;

  --gutter: 20px;
  --grid-gap: 16px;
  --radius: 2px;
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
  --step: 200ms;
  --header-h: 68px;
}

@media (min-width: 768px) {
  :root { --gutter: 40px; --grid-gap: 20px; }
}

@media (min-width: 1200px) {
  :root { --gutter: 64px; --grid-gap: 24px; }
}

/* --- 3. 中文排版基底 ---------------------------------------------------- */
body {
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.012em;
  color: var(--paper);
  background-color: var(--ink);
  background-image:
    radial-gradient(1200px 600px at 12% -10%, rgba(51, 224, 208, 0.08), transparent 62%),
    radial-gradient(900px 520px at 96% 8%, rgba(124, 255, 178, 0.06), transparent 60%);
  background-repeat: no-repeat;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; }

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

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

/* --- 4. 容器与栅格 ------------------------------------------------------ */
.bs-container {
  width: 100%;
  max-width: 1400px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

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

.bs-span-3 { grid-column: span 3; }
.bs-span-4 { grid-column: span 4; }
.bs-span-5 { grid-column: span 5; }
.bs-span-6 { grid-column: span 6; }
.bs-span-7 { grid-column: span 7; }
.bs-span-8 { grid-column: span 8; }
.bs-span-12 { grid-column: span 12; }

@media (max-width: 1023px) {
  .bs-grid { grid-template-columns: repeat(8, minmax(0, 1fr)); }
  .bs-span-3,
  .bs-span-4,
  .bs-span-5 { grid-column: span 4; }
}

@media (max-width: 767px) {
  .bs-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .bs-span-3,
  .bs-span-4,
  .bs-span-5,
  .bs-span-6,
  .bs-span-7,
  .bs-span-8 { grid-column: span 4; }
}

/* --- 5. 跳转链接与滚动进度 ---------------------------------------------- */
.bs-skip-link {
  position: absolute;
  top: 8px;
  left: var(--gutter);
  z-index: 90;
  display: inline-block;
  padding: 10px 18px;
  background: var(--paper);
  color: var(--deep-ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  border-radius: var(--radius);
  transform: translateY(-180%);
  transition: transform var(--step) var(--ease);
}

.bs-skip-link:focus { transform: translateY(0); }

.bs-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  pointer-events: none;
  z-index: 3;
}

.bs-progress__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--aqua), var(--lime) 70%, var(--orange));
  transition: width 120ms linear;
}

/* --- 6. 页头 ------------------------------------------------------------ */
.bs-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(7, 26, 21, 0.92);
  color: var(--paper);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.bs-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-block: 14px;
  transition: padding-block var(--step) var(--ease);
}

.bs-header[data-scrolled] .bs-header__inner { padding-block: 8px; }

.bs-header__tools {
  display: flex;
  align-items: center;
  gap: 16px;
}

@media (min-width: 1024px) {
  .bs-header__tools { gap: clamp(20px, 2.4vw, 40px); }
}

/* 品牌标记 */
.bs-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

.bs-brand__mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1;
  border-radius: 3px;
  transform: rotate(-5deg);
  transition: transform var(--step) var(--ease), background var(--step) var(--ease);
}

.bs-brand:hover .bs-brand__mark,
.bs-brand:focus-visible .bs-brand__mark { transform: rotate(0deg); background: var(--aqua); }

.bs-header[data-scrolled] .bs-brand__mark { width: 34px; height: 34px; font-size: 17px; }

.bs-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.bs-brand__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.bs-brand__meta {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--mist);
  white-space: nowrap;
}

@media (max-width: 420px) {
  .bs-brand__meta { display: none; }
  .bs-brand__name { font-size: 18px; }
}

/* 导航 */
.bs-nav { display: flex; align-items: center; }

.bs-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 26px);
}

.bs-nav__item { display: flex; }

.bs-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding-block: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--paper-70);
  white-space: nowrap;
  transition: color var(--step) var(--ease);
}

.bs-nav__num {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
  opacity: 0.75;
  transition: color var(--step) var(--ease), opacity var(--step) var(--ease);
}

.bs-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--step) var(--ease);
}

.bs-nav__link:hover,
.bs-nav__link:focus-visible { color: var(--paper); }

.bs-nav__link:hover::after,
.bs-nav__link:focus-visible::after { transform: scaleX(1); }

.bs-nav__link:hover .bs-nav__num,
.bs-nav__link:focus-visible .bs-nav__num { color: var(--lime); opacity: 1; }

.bs-nav__link[aria-current="page"] { color: var(--lime); font-weight: 600; }

.bs-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--aqua);
}

.bs-nav__link[aria-current="page"] .bs-nav__num { color: var(--aqua); opacity: 1; }

/* 快捷入口 */
.bs-quick-entry {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: transform var(--step) var(--ease),
              box-shadow var(--step) var(--ease),
              background var(--step) var(--ease);
}

.bs-quick-entry::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.bs-quick-entry:hover,
.bs-quick-entry:focus-visible {
  transform: translateY(-2px);
  background: var(--amber);
  box-shadow: 0 10px 24px rgba(255, 138, 61, 0.28);
}

@media (max-width: 400px) {
  .bs-quick-entry { padding: 9px 12px; font-size: 13px; }
}

/* 移动端菜单按钮 */
.bs-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color var(--step) var(--ease), background var(--step) var(--ease);
}

.bs-nav-toggle:hover { border-color: var(--lime); background: rgba(124, 255, 178, 0.08); }

.bs-nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--lime);
  transition: transform var(--step) var(--ease), opacity var(--step) var(--ease);
}

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

/* 移动端导航面板 */
@media (max-width: 1023px) {
  .bs-nav-toggle { display: inline-flex; }

  .bs-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 8px var(--gutter) 26px;
    background: var(--ink-2);
    border-bottom: 1px solid var(--line-strong);
    box-shadow: 0 28px 60px rgba(0, 0, 0, 0.55);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .bs-nav[data-open] { display: flex; }

  .bs-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .bs-nav__item { border-bottom: 1px solid var(--line-soft); }

  .bs-nav__link {
    width: 100%;
    padding: 16px 2px;
    font-size: 17px;
    justify-content: flex-start;
  }

  .bs-nav__link::after { display: none; }

  .bs-nav__link[aria-current="page"] { padding-left: 12px; border-left: 2px solid var(--aqua); }
}

/* --- 7. 页脚 ------------------------------------------------------------ */
.bs-footer {
  margin-top: clamp(64px, 9vw, 128px);
  padding-block: clamp(48px, 6vw, 84px) 28px;
  background: var(--ink-2);
  border-top: 1px solid var(--line-strong);
  color: var(--paper);
}

.bs-footer__top {
  display: grid;
  grid-template-columns: minmax(200px, 1fr) 3.2fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

.bs-footer__brand { display: flex; flex-direction: column; gap: 16px; }

.bs-brand--footer .bs-brand__mark { width: 34px; height: 34px; font-size: 17px; }

.bs-footer__tagline {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 1.9;
  color: var(--paper-50);
  max-width: 15em;
}

.bs-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 44px);
}

.bs-footer__col { min-width: 0; }

.bs-footer__title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--amber);
  padding-bottom: 12px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line-soft);
}

.bs-footer__list { display: flex; flex-direction: column; }

.bs-footer__item {
  padding-block: 9px;
  font-size: 14px;
  line-height: 1.6;
}

.bs-footer__list--plain .bs-footer__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bs-footer__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.bs-footer__value { color: var(--paper-70); word-break: break-word; }

.bs-footer__link {
  position: relative;
  color: var(--paper-70);
  transition: color var(--step) var(--ease);
}

.bs-footer__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--step) var(--ease);
}

.bs-footer__link:hover,
.bs-footer__link:focus-visible { color: var(--lime); }

.bs-footer__link:hover::after,
.bs-footer__link:focus-visible::after { transform: scaleX(1); }

.bs-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-top: clamp(32px, 4vw, 56px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.bs-footer__note {
  max-width: 62ch;
  font-size: 12.5px;
  line-height: 1.85;
  color: var(--mist);
}

.bs-footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--paper-50);
}

.bs-footer__icp,
.bs-footer__copyright { color: var(--paper-50); }

@media (max-width: 1023px) {
  .bs-footer__top { grid-template-columns: minmax(0, 1fr); }
  .bs-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .bs-footer__tagline { max-width: 24em; }
}

@media (max-width: 560px) {
  .bs-footer__grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .bs-footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* --- 8. 通用按钮 -------------------------------------------------------- */
.bs-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.2;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform var(--step) var(--ease),
              box-shadow var(--step) var(--ease),
              background var(--step) var(--ease),
              color var(--step) var(--ease),
              border-color var(--step) var(--ease);
}

.bs-btn:hover { transform: translateY(-2px); }

.bs-btn--accent { background: var(--orange); color: var(--ink); }
.bs-btn--accent:hover { background: var(--amber); box-shadow: 0 12px 28px rgba(255, 138, 61, 0.3); }

.bs-btn--lime { background: var(--lime); color: var(--ink); }
.bs-btn--lime:hover { background: var(--aqua); box-shadow: 0 12px 28px rgba(51, 224, 208, 0.26); }

.bs-btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-strong);
}
.bs-btn--ghost:hover { color: var(--lime); border-color: var(--lime); background: rgba(124, 255, 178, 0.08); }

/* --- 9. 面包屑 ---------------------------------------------------------- */
.bs-breadcrumbs {
  padding-block: 20px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.bs-breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.bs-breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.bs-breadcrumbs__item + .bs-breadcrumbs__item::before {
  content: "/";
  color: var(--line-strong);
}

.bs-breadcrumbs__link { color: var(--mist); transition: color var(--step) var(--ease); }
.bs-breadcrumbs__link:hover,
.bs-breadcrumbs__link:focus-visible { color: var(--lime); }

.bs-breadcrumbs [aria-current="page"] { color: var(--paper); }

/* --- 10. 排版组件 ------------------------------------------------------- */
.bs-display {
  font-family: var(--font-display);
  font-size: clamp(64px, 10vw, 168px);
  font-weight: 800;
  line-height: 0.86;
  letter-spacing: -0.02em;
}

.bs-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.bs-subtitle {
  font-family: var(--font-serif);
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.9;
  color: var(--paper-70);
}

.bs-lead {
  max-width: 34em;
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.85;
  color: var(--paper-70);
}

.bs-prose {
  max-width: 40em;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--paper-70);
}

.bs-prose > * + * { margin-top: 1.1em; }

.bs-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.bs-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--aqua);
}

.bs-eyebrow::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  background: var(--aqua);
}

.bs-chapter {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 2vw, 24px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.bs-chapter__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 48px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(124, 255, 178, 0.34);
}

.bs-chapter__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
}

.bs-divider {
  height: 1px;
  border: 0;
  background: var(--line);
}

.bs-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lime);
  line-height: 1.6;
}

.bs-tag--amber { color: var(--amber); border-color: rgba(255, 200, 87, 0.42); }

/* --- 11. 卡片 / 面板 / 滑轨 --------------------------------------------- */
.bs-card {
  position: relative;
  display: block;
  padding: clamp(18px, 2vw, 28px);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform var(--step) var(--ease),
              border-color var(--step) var(--ease),
              background var(--step) var(--ease);
}

.bs-card:hover,
.bs-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: var(--ink-3);
}

.bs-card--skew { transform: rotate(-1.4deg); }
.bs-card--skew:hover { transform: rotate(0deg) translateY(-3px); }

.bs-card__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--amber);
}

.bs-card__title {
  margin-top: 10px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 700;
  line-height: 1.18;
  color: var(--paper);
}

.bs-card__text {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-70);
}

.bs-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.bs-panel {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  padding: clamp(18px, 2vw, 26px);
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-left: 2px solid var(--aqua);
  border-radius: var(--radius);
}

.bs-rail {
  display: flex;
  gap: var(--grid-gap);
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

.bs-rail > * {
  flex: 0 0 min(320px, 82vw);
  scroll-snap-align: start;
}

.bs-rail::-webkit-scrollbar { height: 6px; }
.bs-rail::-webkit-scrollbar-track { background: var(--line-soft); }
.bs-rail::-webkit-scrollbar-thumb { background: var(--line-strong); }

/* --- 12. 表格 ----------------------------------------------------------- */
.bs-table { font-size: 14px; }

.bs-table th,
.bs-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line-soft);
  vertical-align: middle;
}

.bs-table th {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
  background: var(--ink-3);
  border-bottom: 1px solid var(--line);
}

.bs-table tbody tr { transition: background var(--step) var(--ease); }
.bs-table tbody tr:hover { background: rgba(124, 255, 178, 0.05); }

.bs-table td.is-num {
  font-family: var(--font-mono);
  color: var(--lime);
  white-space: nowrap;
}

/* --- 13. 图片容器基础规则 ----------------------------------------------- */
.bs-media {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.bs-media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms var(--ease);
}

.bs-media:hover > img { transform: scale(1.03); }

.bs-media--wide { aspect-ratio: 16 / 9; }
.bs-media--tall { aspect-ratio: 3 / 4; }
.bs-media--square { aspect-ratio: 1 / 1; }

.bs-media--diagonal { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 88%); }

.bs-media__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(175, 195, 187, 0.18) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(175, 195, 187, 0.18) 1px, transparent 1px);
  background-size: 48px 48px;
  mix-blend-mode: screen;
}

.bs-media__stamp {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 4px 9px;
  background: rgba(7, 26, 21, 0.78);
  border-left: 2px solid var(--lime);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.bs-media__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* --- 14. 显现动效（页面阶段加 data-reveal） ----------------------------- */
.bs-js [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

.bs-js [data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* --- 15. 降低动效偏好 --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .bs-js [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .bs-card:hover,
  .bs-card:focus-within,
  .bs-btn:hover,
  .bs-quick-entry:hover,
  .bs-quick-entry:focus-visible { transform: none; }

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