/* ============================================================
   博电竞竞技 · 共享样式表 /assets/site.css
   夜幕深墨绿 + 蓝图网格 + 玻璃浮层 + 电光青强调
   ============================================================ */

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

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

body,
h1, h2, h3, h4, h5, h6,
p, ul, ol, li, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

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

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

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

/* ---------- 2. 变量 ---------- */
:root {
  --c-night: #04120E;
  --c-night-2: #061A14;
  --c-layer: #0A241C;
  --c-glass: rgba(255, 255, 255, 0.07);
  --c-glass-strong: rgba(255, 255, 255, 0.12);

  --c-cyan: #2FE6D0;
  --c-lime: #C8FF4D;
  --c-copper: #B9915A;
  --c-amber: #E8A05A;
  --c-cool: #4FA3C7;

  --c-paper: #E6F1EC;
  --c-muted: #93ADA3;
  --c-rule: #1C3A31;
  --grid-line: rgba(37, 84, 70, 0.5);

  --unit: 8px;
  --shell: 1280px;
  --gutter: clamp(18px, 4vw, 48px);
  --rail-w: 236px;
  --radius: 2px;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", "Courier New", monospace;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100%;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--c-paper);
  background-color: var(--c-night);
  background-image:
    radial-gradient(1100px 520px at 50% -10%, rgba(47, 230, 208, 0.10), transparent 70%),
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: auto, 96px 96px, 96px 96px;
  background-repeat: no-repeat, repeat, repeat;
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: 0.01em;
}

p { line-height: 1.6; }

strong { font-weight: 600; }

#main-content {
  display: block;
  outline: none;
  scroll-margin-top: 140px;
}

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

::selection {
  background: rgba(47, 230, 208, 0.28);
  color: #ffffff;
}

/* ---------- 4. 通用工具 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-inline: var(--gutter);
}

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

.note {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 11px;
  border: 1px solid var(--grid-line);
  border-radius: 999px;
  background: var(--c-glass);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  white-space: nowrap;
}

.pill--live {
  color: var(--c-lime);
  border-color: rgba(200, 255, 77, 0.35);
  background: rgba(200, 255, 77, 0.06);
}

.pill--live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-lime);
  animation: pulseDot 1.9s ease-in-out infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.72); }
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: calc(var(--unit) * 2);
}

/* ---------- 5. 跳过导航 ---------- */
.skip-link {
  position: fixed;
  left: 50%;
  top: -80px;
  transform: translateX(-50%);
  z-index: 200;
  padding: 11px 20px;
  background: var(--c-cyan);
  color: var(--c-night);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border-radius: 0 0 4px 4px;
  transition: top 0.22s var(--ease);
}

.skip-link:focus {
  top: 0;
}

/* ---------- 6. 刊头 ---------- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 90;
  background: linear-gradient(180deg, rgba(4, 18, 14, 0.97), rgba(4, 18, 14, 0.84));
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--grid-line);
}

.progress-rail {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: rgba(47, 230, 208, 0.10);
  overflow: hidden;
}

.progress-rail__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-lime));
}

.masthead__inner {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px var(--gutter) 12px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  transition: padding 0.28s var(--ease);
}

.masthead__side {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.masthead__side--start { justify-content: flex-start; }
.masthead__side--end { justify-content: flex-end; }

.masthead__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  text-align: center;
}

.masthead__eyebrow,
.masthead__sub {
  overflow: hidden;
  max-height: 26px;
  transition: opacity 0.24s var(--ease), max-height 0.3s var(--ease);
}

.masthead__eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.42em;
  color: var(--c-cyan);
  text-indent: 0.42em;
}

.brand {
  font-size: clamp(20px, 2.6vw, 31px);
  font-weight: 900;
  letter-spacing: 0.14em;
  line-height: 1.05;
  text-indent: 0.14em;
  color: var(--c-paper);
  transition: color 0.22s var(--ease), font-size 0.28s var(--ease);
}

.brand:hover { color: var(--c-cyan); }

.masthead__sub {
  font-size: 11.5px;
  letter-spacing: 0.24em;
  color: var(--c-muted);
  text-indent: 0.24em;
}

.masthead__vertical {
  display: none;
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  writing-mode: vertical-rl;
  font-size: 10px;
  letter-spacing: 0.34em;
  color: rgba(185, 145, 90, 0.8);
  pointer-events: none;
}

/* 滚动收缩 */
.masthead[data-scrolled] .masthead__inner { padding: 8px var(--gutter) 6px; }
.masthead[data-scrolled] .brand { font-size: clamp(17px, 2vw, 21px); }

.masthead[data-scrolled] .masthead__eyebrow,
.masthead[data-scrolled] .masthead__sub {
  opacity: 0;
  max-height: 0;
}

/* ---------- 7. 赛季切换 ---------- */
.season-switch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--grid-line);
  border-radius: 999px;
  background: var(--c-glass);
}

.season-switch__label {
  padding: 0 8px 0 10px;
  font-size: 10.5px;
  letter-spacing: 0.24em;
  color: var(--c-muted);
}

.season-switch__btn {
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.season-switch__btn:hover { color: var(--c-paper); }

.season-switch__btn[aria-pressed="true"] {
  background: rgba(47, 230, 208, 0.14);
  color: var(--c-cyan);
}

/* ---------- 8. 检索入口与移动端按钮 ---------- */
.util-search {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 13px;
  border: 1px solid var(--grid-line);
  border-radius: 999px;
  background: var(--c-glass);
  color: var(--c-muted);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.util-search:hover {
  color: var(--c-cyan);
  border-color: rgba(47, 230, 208, 0.5);
}

.util-search__icon {
  position: relative;
  flex: none;
  width: 12px;
  height: 12px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
}

.util-search__icon::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -3px;
  width: 6px;
  height: 1.5px;
  background: currentColor;
  transform: rotate(45deg);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 7px 13px;
  border: 1px solid var(--grid-line);
  border-radius: 999px;
  background: var(--c-glass);
  color: var(--c-paper);
  font-size: 12.5px;
  letter-spacing: 0.14em;
}

.nav-toggle__glyph {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 14px;
  flex: none;
}

.nav-toggle__glyph i {
  display: block;
  height: 1.5px;
  background: currentColor;
  transition: transform 0.26s var(--ease);
}

.nav-toggle[aria-expanded="true"] {
  color: var(--c-cyan);
  border-color: rgba(47, 230, 208, 0.5);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__glyph i:first-child {
  transform: translateY(2.75px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__glyph i:last-child {
  transform: translateY(-2.75px) rotate(-45deg);
}

/* ---------- 9. 栏目条 ---------- */
.navbar {
  display: block;
  border-top: 1px solid var(--grid-line);
  background: rgba(10, 36, 28, 0.34);
}

.navbar__list {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(6px, 2.2vw, 32px);
}

.navbar__link {
  position: relative;
  display: block;
  padding: 13px 4px;
  font-size: 14.5px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
  transition: color 0.22s var(--ease), padding 0.28s var(--ease), font-size 0.28s var(--ease);
}

.navbar__link::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 7px;
  height: 1px;
  background: var(--c-cyan);
  transform: scaleX(0);
  transform-origin: 50% 50%;
  transition: transform 0.3s var(--ease);
}

.navbar__link:hover { color: var(--c-paper); }
.navbar__link:hover::after { transform: scaleX(1); }

.navbar__link[aria-current="page"] {
  color: var(--c-cyan);
}

.navbar__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: linear-gradient(90deg, var(--c-cyan), var(--c-lime));
}

.masthead[data-scrolled] .navbar__link {
  padding: 8px 4px;
  font-size: 13.5px;
}

.masthead[data-scrolled] .navbar__link::after { bottom: 3px; }

/* ---------- 10. 赛季轴侧栏 ---------- */
.rail-toggle {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 96;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 9px;
  padding: 15px 7px;
  border: 1px solid var(--grid-line);
  border-left: 0;
  border-radius: 0 6px 6px 0;
  background: rgba(10, 36, 28, 0.9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  color: var(--c-muted);
  transition: left 0.32s var(--ease), color 0.2s var(--ease);
}

.rail-toggle:hover { color: var(--c-cyan); }
.rail-toggle[aria-expanded="true"] { color: var(--c-lime); }

.rail-toggle__glyph {
  display: block;
  width: 2px;
  height: 26px;
  background: linear-gradient(180deg, var(--c-cyan), transparent);
}

.rail-toggle__text {
  writing-mode: vertical-rl;
  font-size: 10.5px;
  letter-spacing: 0.3em;
}

.season-rail {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 94;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 26px 22px;
  overflow-y: auto;
  background: linear-gradient(180deg, rgba(10, 36, 28, 0.95), rgba(4, 18, 14, 0.97));
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-right: 1px solid var(--grid-line);
  transform: translateX(-100%);
  visibility: hidden;
  transition: transform 0.32s var(--ease), visibility 0.32s var(--ease);
}

.season-rail[data-open] {
  transform: none;
  visibility: visible;
}

.season-rail[data-open] + .rail-toggle {
  left: var(--rail-w);
}

.season-rail__head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--c-cyan);
}

.season-rail__track {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding-block: 4px;
  border-left: 1px solid var(--grid-line);
}

.season-rail__node {
  display: grid;
  grid-template-columns: 14px 1fr;
  align-items: baseline;
  column-gap: 11px;
  row-gap: 2px;
  padding-left: 14px;
}

.season-rail__tick {
  grid-column: 1;
  width: 12px;
  height: 1.5px;
  align-self: center;
  background: var(--c-cyan);
}

.season-rail__label {
  grid-column: 2;
  font-size: 14.5px;
  color: var(--c-paper);
}

.season-rail__meta {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.season-rail__node[data-current] .season-rail__label { color: var(--c-cyan); }

.season-rail__node[data-current] .season-rail__tick {
  background: var(--c-lime);
  box-shadow: 0 0 0 3px rgba(200, 255, 77, 0.14);
}

.season-rail__foot {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--grid-line);
  font-size: 11.5px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 11. 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  background: var(--c-glass);
  color: var(--c-paper);
  font-size: 14px;
  letter-spacing: 0.08em;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease),
    color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:hover {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  transform: translateY(-1px);
}

.btn--primary {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  color: var(--c-night);
  font-weight: 600;
}

.btn--primary:hover {
  background: var(--c-lime);
  border-color: var(--c-lime);
  color: var(--c-night);
}

.btn--ghost { background: transparent; }

/* ---------- 12. 面包屑 ---------- */
.breadcrumb {
  margin-bottom: 26px;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

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

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

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: rgba(147, 173, 163, 0.42);
}

.breadcrumb__item a { color: var(--c-muted); transition: color 0.2s var(--ease); }
.breadcrumb__item a:hover { color: var(--c-cyan); }

/* ---------- 13. 章节头 ---------- */
.section-head {
  display: grid;
  gap: 10px;
  margin-bottom: calc(var(--unit) * 4);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--grid-line);
}

.section-head__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--c-copper);
}

.section-head__title {
  font-size: clamp(24px, 3.2vw, 38px);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.section-head__note {
  max-width: 60ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

/* ---------- 14. 数据卡 ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  overflow: hidden;
  background: var(--c-layer);
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
}

.card__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.22em;
  color: var(--c-muted);
}

.card__value {
  font-family: var(--font-mono);
  font-size: clamp(34px, 4.6vw, 58px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--c-paper);
  font-variant-numeric: tabular-nums;
}

.card__unit {
  margin-left: 6px;
  font-size: 0.42em;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

/* ---------- 15. 图片容器（页面阶段放置占位） ---------- */
.media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  background-color: var(--c-night-2);
  background-image:
    linear-gradient(135deg, rgba(47, 230, 208, 0.07), rgba(185, 145, 90, 0.05)),
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(37, 84, 70, 0.5) 23px 24px),
    repeating-linear-gradient(90deg, transparent 0 23px, rgba(37, 84, 70, 0.5) 23px 24px);
}

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

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

.media__caption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(4, 18, 14, 0.78);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

/* ---------- 16. 页脚 ---------- */
.site-foot {
  position: relative;
  margin-top: 96px;
  border-top: 1px solid var(--grid-line);
  background:
    linear-gradient(180deg, rgba(10, 36, 28, 0.55), rgba(4, 18, 14, 0.98)),
    var(--c-night);
}

.site-foot__grid {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 58px var(--gutter) 34px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(24px, 3vw, 52px);
}

.foot-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.foot-col--brand { gap: 18px; }

.foot-brand {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.16em;
  line-height: 1.1;
  color: var(--c-paper);
  transition: color 0.2s var(--ease);
}

.foot-brand:hover { color: var(--c-cyan); }

.foot-brand__note {
  max-width: 32ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-muted);
}

.foot-vertical {
  align-self: flex-start;
  writing-mode: vertical-rl;
  font-size: 10.5px;
  letter-spacing: 0.32em;
  color: rgba(47, 230, 208, 0.72);
}

.foot-col__title {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--c-cyan);
}

.foot-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.foot-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 8px;
  border-bottom: 1px dashed rgba(37, 84, 70, 0.85);
  font-size: 13px;
}

.foot-key {
  flex: none;
  color: var(--c-muted);
}

.foot-val {
  min-width: 0;
  text-align: right;
  color: var(--c-paper);
  word-break: break-all;
}

.foot-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.foot-chip {
  padding: 5px 11px;
  border: 1px solid var(--grid-line);
  border-radius: 999px;
  background: var(--c-glass);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.foot-chip--accent {
  color: var(--c-lime);
  border-color: rgba(200, 255, 77, 0.35);
  background: rgba(200, 255, 77, 0.07);
}

.foot-note {
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--c-muted);
}

.site-foot__base {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 18px var(--gutter) 30px;
  border-top: 1px solid var(--grid-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 26px;
}

.foot-legal {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-muted);
}

.foot-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.foot-nav a {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  transition: color 0.2s var(--ease);
}

.foot-nav a:hover { color: var(--c-cyan); }

/* ---------- 17. 渐显协议 ---------- */
[data-reveal] {
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
}

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

/* ---------- 18. 响应式 ---------- */
@media (min-width: 1440px) {
  .masthead__vertical { display: block; }
}

@media (max-width: 1100px) {
  .site-foot__grid { grid-template-columns: 1fr 1fr; }
  .foot-col--brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .navbar__list { gap: 6px 20px; }
  .navbar__link { font-size: 13.5px; }
}

@media (max-width: 860px) {
  .masthead__inner {
    grid-template-columns: auto 1fr auto;
    padding: 12px var(--gutter) 10px;
  }

  .masthead__side--start { display: none; }

  .masthead__brand {
    align-items: flex-start;
    text-align: left;
    padding-left: 4px;
  }

  .masthead__eyebrow { font-size: 10px; letter-spacing: 0.3em; }
  .masthead__sub { display: none; }
  .brand { font-size: clamp(19px, 5vw, 24px); }

  .nav-toggle { display: inline-flex; }

  .navbar {
    display: none;
    border-top: 1px solid var(--grid-line);
    background: rgba(6, 26, 20, 0.96);
  }

  .navbar[data-open] {
    display: block;
    animation: navDrop 0.28s var(--ease);
  }

  @keyframes navDrop {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: none; }
  }

  .navbar__list {
    flex-direction: column;
    gap: 0;
    padding: 6px var(--gutter) 14px;
  }

  .navbar__link {
    padding: 14px 2px;
    font-size: 16px;
    letter-spacing: 0.12em;
    border-bottom: 1px solid var(--grid-line);
  }

  .navbar__link::after { display: none; }

  .navbar__link[aria-current="page"] {
    padding-left: 12px;
  }

  .navbar__link[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 4px;
    height: 4px;
    margin-top: -2px;
    border-radius: 50%;
    background: var(--c-lime);
  }

  .site-foot { margin-top: 64px; }
}

@media (max-width: 680px) {
  :root { --rail-w: min(236px, 74vw); }

  .util-search__text { display: none; }
  .util-search { padding: 8px 10px; }

  .site-foot__grid {
    grid-template-columns: 1fr;
    padding-top: 42px;
  }

  .foot-col--brand { grid-column: auto; }
  .foot-vertical { display: none; }

  .site-foot__base {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .foot-nav { gap: 10px 18px; }
}

/* ---------- 19. 动效偏好 ---------- */
@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;
  }

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

  .pill--live::before { animation: none; }
}