/* =========================================================
   酷体育电竞站 · 共享样式表 /assets/site.css
   夜间战术数据台：深墨蓝底 + 电光青 / 信号橙锚点
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 140px;
}

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

ul, ol { list-style: none; }
img, svg, picture, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; text-decoration: none; }
table { border-collapse: collapse; border-spacing: 0; }
[hidden] { display: none !important; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --ink: #0B1220;
  --panel: #131E33;
  --line: #23334D;
  --line-soft: rgba(35, 51, 77, 0.55);
  --cyan: #35E0D4;
  --orange: #FF7A33;
  --violet: #7C6BE8;
  --moss: #4FA97A;
  --text: #E8EEF7;
  --muted: #93A6C0;
  --dim: #5C7292;
  --deep: #0E3B45;

  --font-head: "Barlow Condensed", "Oswald", "Roboto Condensed", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-body: "PingFang SC", "Noto Sans SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "DejaVu Sans Mono", monospace;

  --shell: min(1240px, 100% - 2.5rem);
  --rail: 260px;
  --gap: clamp(16px, 2.2vw, 32px);

  --radius-s: 6px;
  --radius-m: 14px;
  --radius-l: 28px;

  --dur: 240ms;
  --ease: cubic-bezier(0.22, 0.75, 0.3, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(35, 51, 77, 0.26) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 51, 77, 0.26) 1px, transparent 1px);
  background-size: 76px 76px;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: 0.01em;
}

@media (min-width: 900px) {
  body { font-size: 17px; }
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

h1 { font-size: clamp(30px, 6vw, 64px); }
h2 { font-size: clamp(24px, 4vw, 40px); }
h3 { font-size: clamp(19px, 2.4vw, 24px); }
h4 { font-size: 16px; }

::selection { background: var(--cyan); color: #04201F; }

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

.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. 布局工具 ---------- */
.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section {
  padding: clamp(40px, 7vw, 88px) 0;
}

.prose {
  max-width: 42rem;
  color: var(--muted);
  line-height: 1.75;
}

.prose p + p,
.prose ul + p { margin-top: 1em; }
.prose strong { color: var(--text); font-weight: 600; }
.prose a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(53, 224, 212, 0.35);
}

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

@media (min-width: 980px) {
  .split { grid-template-columns: var(--rail) minmax(0, 1fr); }
  .split--reverse { grid-template-columns: minmax(0, 1fr) var(--rail); }
}

.rail-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  padding: 18px;
}

.rail-card__title {
  font-family: var(--font-head);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

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

.index-list__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-s);
  font-size: 13.5px;
  color: var(--muted);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.index-list__link:hover {
  color: var(--text);
  background: rgba(53, 224, 212, 0.06);
}

.index-list__link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(53, 224, 212, 0.08);
}

.index-list__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dim);
  flex: none;
}

/* ---------- 5. 跳至主要内容 ---------- */
.skip-link {
  position: absolute;
  top: -80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  padding: 10px 20px;
  background: var(--cyan);
  color: #04201F;
  font-weight: 600;
  font-size: 14px;
  border-radius: 0 0 var(--radius-m) var(--radius-m);
  transition: top 180ms var(--ease);
}

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

/* ---------- 6. 刊头 ---------- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(11, 18, 32, 0.94);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.masthead__inner {
  position: relative;
  width: var(--shell);
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 20px 0 0;
  transition: padding var(--dur) var(--ease), gap var(--dur) var(--ease);
}

.masthead__edition {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--dim);
  text-transform: uppercase;
}

.masthead__meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  pointer-events: none;
}

.masthead__meter-bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand__mark {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  color: #062A2B;
  background: var(--cyan);
  border-radius: 16px 5px 16px 5px;
  box-shadow: 0 6px 0 -2px var(--deep);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand__tagline {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

/* 导航 */
.site-nav {
  align-self: stretch;
  margin-top: 8px;
  border-top: 1px solid var(--line);
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(4px, 2vw, 26px);
}

.nav-list__item { display: block; }

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 13px 6px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.nav-link__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--dim);
  transition: color var(--dur) var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  bottom: 6px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.nav-link:hover,
.nav-link:focus-visible { color: var(--text); }
.nav-link:hover::after { transform: scaleX(1); }

.nav-link[aria-current="page"] { color: var(--text); }
.nav-link[aria-current="page"]::after { transform: scaleX(1); background: var(--orange); }
.nav-link[aria-current="page"] .nav-link__num { color: var(--orange); }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  position: absolute;
  right: 0;
  top: 18px;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(4.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-4.5px) rotate(-45deg); }

/* ---------- 7. 右缘浮标 ---------- */
.float-dock {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 55;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.float-chip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 16px 10px 18px;
  border: 1px solid var(--line);
  border-right: 0;
  border-radius: 16px 0 0 16px;
  background: var(--panel);
  box-shadow: -10px 0 26px rgba(4, 9, 18, 0.55);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.float-chip__k {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.float-chip__v {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--dim);
}

.float-chip--entry .float-chip__k { color: var(--orange); }
.float-chip--log .float-chip__k { color: var(--cyan); }
.float-chip:hover { transform: translateX(-6px); background: var(--ink); }

/* ---------- 8. 编号章节 ---------- */
.sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 28px);
  align-items: start;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.sec-head__num {
  font-family: var(--font-head);
  font-size: clamp(46px, 9vw, 88px);
  font-weight: 800;
  line-height: 0.78;
  letter-spacing: -0.04em;
  color: var(--line);
  -webkit-text-stroke: 1px rgba(53, 224, 212, 0.45);
}

.sec-head__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 4px;
}

.sec-head__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.sec-head__title { font-size: clamp(24px, 4vw, 40px); }

.sec-head__desc {
  max-width: 42rem;
  color: var(--muted);
  font-size: 15px;
}

.sec-band {
  display: block;
  width: 100%;
  height: 3px;
  border-radius: 2px;
  background: var(--cyan);
  transform: scaleX(1);
}

.sec-band--east { background: var(--cyan); }
.sec-band--south { background: var(--orange); }
.sec-band--north { background: var(--violet); }
.sec-band--west { background: var(--moss); }

/* ---------- 9. 图例 ---------- */
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(19, 30, 51, 0.6);
  font-size: 12.5px;
  color: var(--muted);
}

.legend__dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
}

.legend__dot--east { background: var(--cyan); }
.legend__dot--south { background: var(--orange); }
.legend__dot--north { background: var(--violet); }
.legend__dot--west { background: var(--moss); }

/* ---------- 10. 数据表 ---------- */
.table-scroll {
  overflow-x: auto;
  border-radius: var(--radius-m);
}

.data-table {
  width: 100%;
  min-width: 520px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
  font-size: 14px;
}

.data-table caption {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--dim);
  background: rgba(11, 18, 32, 0.6);
  border-bottom: 1px solid var(--line);
}

.data-table th,
.data-table td {
  padding: 11px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.data-table th {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  background: rgba(11, 18, 32, 0.65);
  white-space: nowrap;
}

.data-table tbody tr { transition: background var(--dur) var(--ease); }
.data-table tbody tr:hover { background: rgba(53, 224, 212, 0.06); }
.data-table tbody tr:hover td:first-child { box-shadow: inset 3px 0 0 var(--cyan); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table td:first-child { color: var(--text); }

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

.num--jersey {
  font-size: 1.6em;
  line-height: 1;
  color: var(--cyan);
}

/* ---------- 11. 图像容器 ---------- */
.figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel);
  overflow: hidden;
}

.figure__frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background-image: repeating-linear-gradient(135deg, rgba(53, 224, 212, 0.06) 0 12px, transparent 12px 24px);
  background-color: var(--ink);
  overflow: hidden;
}

.figure__frame--wide { aspect-ratio: 21 / 9; }
.figure__frame--tall { aspect-ratio: 4 / 5; }
.figure__frame--square { aspect-ratio: 1 / 1; }

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

.figure__cap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}

.figure__cap .num { color: var(--dim); }

/* ---------- 12. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

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

.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #062A2B;
}

.btn--primary:hover {
  background: #5BF0E6;
  border-color: #5BF0E6;
  color: #062A2B;
}

.btn--ghost {
  background: transparent;
  color: var(--muted);
}

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

/* ---------- 13. 分段切换 ---------- */
.seg {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
}

.seg__btn {
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 13.5px;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

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

.seg__btn[aria-selected="true"] {
  background: var(--cyan);
  color: #062A2B;
  font-weight: 600;
}

.seg-panel {
  padding-top: 22px;
  animation: segFade 180ms var(--ease) both;
}

@keyframes segFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 14. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.crumbs a:hover { color: var(--cyan); }
.crumbs__sep { color: var(--line); }
.crumbs__here { color: var(--text); }

/* ---------- 15. 页脚 ---------- */
.site-foot {
  position: relative;
  margin-top: clamp(48px, 8vw, 110px);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink), #070C16);
}

.site-foot::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(320px, 50vw);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.site-foot__inner {
  width: var(--shell);
  margin-inline: auto;
  padding: clamp(36px, 6vw, 64px) 0 28px;
}

.foot-brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  padding-bottom: clamp(20px, 3vw, 32px);
  margin-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
}

.foot-brand__name {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: 0.02em;
}

.foot-brand__meta {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--dim);
}

.foot-grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 700px) {
  .foot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1000px) {
  .foot-grid { grid-template-columns: 1.3fr 1fr 1.4fr 1fr; }
}

.foot-col__title {
  padding-bottom: 8px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}

.foot-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 13.5px;
  color: var(--muted);
}

.foot-list a {
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

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

.foot-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13.5px;
  color: var(--muted);
}

.foot-contact__row {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.foot-contact__key {
  flex: none;
  min-width: 44px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--dim);
}

.foot-contact__val { word-break: break-word; }

.foot-base {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

.foot-aside {
  margin-top: 14px;
  font-size: 12.5px;
  color: var(--muted);
  transform: skewX(-6deg);
  transform-origin: left center;
}

/* ---------- 16. 进入视口动效 ---------- */
.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

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

.has-js .sec-band {
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 420ms var(--ease);
}

.has-js .is-visible .sec-band,
.has-js .sec-band.is-visible { transform: scaleX(1); }

/* ---------- 17. 移动端刊头 ---------- */
@media (max-width: 900px) {
  .masthead__edition { display: none; }

  .masthead__inner {
    gap: 0;
    padding: 14px 0 16px;
  }

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 50%;
    width: min(420px, calc(100vw - 24px));
    margin-top: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: var(--radius-m);
    background: var(--panel);
    box-shadow: 0 22px 44px rgba(4, 9, 18, 0.6);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateX(-50%) translateY(-8px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) var(--ease);
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(8px);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    justify-content: flex-start;
    padding: 12px 14px;
    border-radius: var(--radius-s);
    font-size: 15px;
  }

  .nav-link::after { display: none; }

  .nav-link[aria-current="page"] {
    background: rgba(53, 224, 212, 0.1);
    color: var(--cyan);
  }

  .nav-link[aria-current="page"] .nav-link__num { color: var(--cyan); }

  .float-dock {
    top: auto;
    bottom: 12px;
    right: 12px;
    transform: none;
    gap: 6px;
  }

  .float-chip {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    padding: 8px 13px;
    border-right: 1px solid var(--line);
    border-radius: 999px;
  }

  .float-chip:hover { transform: translateY(-3px); }
}

/* ---------- 18. 桌面端刊头收拢 ---------- */
@media (min-width: 901px) {
  .masthead.is-condensed .masthead__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: clamp(16px, 3vw, 40px);
    padding: 10px 0;
  }

  .masthead.is-condensed .masthead__edition { display: none; }
  .masthead.is-condensed .brand__tagline { display: none; }

  .masthead.is-condensed .brand__mark {
    width: 34px;
    height: 34px;
    font-size: 17px;
    border-radius: 12px 4px 12px 4px;
  }

  .masthead.is-condensed .brand__name { font-size: 20px; }

  .masthead.is-condensed .site-nav {
    align-self: auto;
    margin-top: 0;
    border-top: 0;
  }

  .masthead.is-condensed .nav-link { padding: 10px 6px; }
}

/* ---------- 19. 减少动效 ---------- */
@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;
  }

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

  .has-js .sec-band,
  .has-js .is-visible .sec-band { transform: scaleX(1); }

  .float-chip:hover { transform: none; }
}