/* ============================================================
   安博赛场 — 共享站库 /assets/site.css
   分区：1 重置 2 变量 3 排版 4 布局 5 头部 6 页脚 7 组件 8 响应式
   ============================================================ */

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

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

body,
h1, h2, h3, h4, p, ul, ol, figure, blockquote { margin: 0; }

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

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

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

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

table { border-collapse: collapse; }

/* 2 变量 ---------------------------------------------------- */
:root {
  --ab-deep: #0B2A45;
  --ab-midnight: #071A2C;
  --ab-cream: #F6F0E4;
  --ab-orange: #FF5A1F;
  --ab-orange-deep: #D9410F;
  --ab-mint: #47F5C5;
  --ab-ink: #0E2233;
  --ab-mist: #6B7C8C;
  --ab-sand: #D9D1C2;
  --ab-white: #FFFFFF;

  --ab-w: 1240px;
  --ab-pad: clamp(18px, 4vw, 56px);
  --ab-gap: clamp(16px, 2.4vw, 32px);
  --ab-radius: 3px;

  --ab-font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --ab-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Courier New", monospace;

  --ab-shadow: 0 20px 44px -26px rgba(7, 26, 44, 0.55);
  --ab-focus: var(--ab-orange);
  --ab-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* 3 排版 ---------------------------------------------------- */
body {
  font-family: var(--ab-font);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ab-ink);
  background: var(--ab-cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

@media (min-width: 1100px) {
  body { font-size: 17px; }
}

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

::selection {
  background: var(--ab-orange);
  color: var(--ab-white);
}

.ab-display {
  font-size: clamp(2.4rem, 6.4vw, 5rem);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.ab-h2 {
  font-size: clamp(1.55rem, 3.2vw, 2.5rem);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -0.012em;
}

.ab-h3 {
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.4;
  font-weight: 700;
}

.ab-lead {
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.72;
  max-width: 34em;
  color: var(--ab-mist);
}

.ab-prose {
  max-width: 34em;
  line-height: 1.8;
}

.ab-prose p + p { margin-top: 0.9em; }

.ab-muted { color: var(--ab-mist); }

.ab-num {
  font-family: var(--ab-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.ab-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  font-family: var(--ab-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ab-mist);
}

.ab-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--ab-orange);
  clip-path: polygon(0 0, 100% 0, 100% 62%, 62% 100%, 0 100%);
}

.ab-band {
  display: block;
  width: 76px;
  height: 5px;
  background: var(--ab-orange);
}

.ab-band--mint { background: var(--ab-mint); }
.ab-band--deep { background: var(--ab-deep); }

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

/* 4 布局 ---------------------------------------------------- */
.ab-container {
  width: 100%;
  max-width: var(--ab-w);
  margin-inline: auto;
  padding-inline: var(--ab-pad);
}

.ab-section {
  padding-block: clamp(44px, 6.5vw, 96px);
}

.ab-section--cream { background: var(--ab-cream); color: var(--ab-ink); }
.ab-section--paper { background: var(--ab-white); color: var(--ab-ink); }

.ab-section--deep {
  background: var(--ab-deep);
  color: var(--ab-white);
  --ab-focus: var(--ab-mint);
}

.ab-section--midnight {
  background: var(--ab-midnight);
  color: var(--ab-white);
  --ab-focus: var(--ab-mint);
}

.ab-section--deep .ab-lead,
.ab-section--midnight .ab-lead,
.ab-section--deep .ab-muted,
.ab-section--midnight .ab-muted { color: rgba(255, 255, 255, 0.68); }

.ab-section--deep .ab-eyebrow,
.ab-section--midnight .ab-eyebrow { color: rgba(255, 255, 255, 0.7); }

.ab-section--slant {
  clip-path: polygon(0 0, 100% 2.6vw, 100% 100%, 0 100%);
}

.ab-grid {
  display: grid;
  gap: var(--ab-gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.ab-grid--tight { gap: clamp(10px, 1.4vw, 18px); }

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

@media (max-width: 860px) {
  .ab-grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .ab-grid--12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* 5 头部 ---------------------------------------------------- */
.ab-skip {
  position: absolute;
  left: 14px;
  top: -70px;
  z-index: 300;
  padding: 10px 18px;
  background: var(--ab-orange);
  color: var(--ab-white);
  font-weight: 700;
  font-size: 0.9rem;
  border-radius: 3px 12px 12px 12px;
  transition: top 0.16s var(--ab-ease);
}

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

.ab-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--ab-cream);
  transition: box-shadow 0.2s var(--ab-ease);
}

.ab-header[data-scrolled="true"] {
  box-shadow: 0 14px 34px -22px rgba(7, 26, 44, 0.6);
}

.ab-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  pointer-events: none;
  background: rgba(11, 42, 69, 0.08);
  z-index: 2;
}

.ab-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(var(--p, 0));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--ab-orange) 0%, var(--ab-orange-deep) 52%, var(--ab-mint) 100%);
}

/* 上状态条 */
.ab-topbar {
  background: var(--ab-midnight);
  color: var(--ab-white);
  --ab-focus: var(--ab-mint);
}

.ab-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-block: 8px;
}

.ab-topbar__note {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
  font-size: 0.76rem;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.86);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ab-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ab-mint);
  animation: ab-pulse 2.6s ease-out infinite;
}

@keyframes ab-pulse {
  0% { box-shadow: 0 0 0 0 rgba(71, 245, 197, 0.55); }
  70% { box-shadow: 0 0 0 7px rgba(71, 245, 197, 0); }
  100% { box-shadow: 0 0 0 0 rgba(71, 245, 197, 0); }
}

.ab-topbar__meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: none;
}

.ab-ver {
  font-family: var(--ab-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  padding: 1px 8px;
  color: var(--ab-mint);
  border: 1px solid rgba(71, 245, 197, 0.45);
  border-radius: 2px;
}

.ab-util {
  font-family: var(--ab-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.78);
  padding-block: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ab-ease), border-color 0.18s var(--ab-ease);
}

.ab-util:hover {
  color: var(--ab-white);
  border-bottom-color: var(--ab-orange);
}

/* 主栏 */
.ab-masthead {
  background: var(--ab-cream);
  border-bottom: 2px solid var(--ab-deep);
}

.ab-masthead__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.2vw, 34px);
  min-height: 76px;
  padding-block: 12px;
}

.ab-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  --ab-focus: var(--ab-orange);
}

.ab-brand__mark {
  width: 36px;
  height: 36px;
  flex: none;
  background: var(--ab-orange);
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
  position: relative;
  transition: background 0.18s var(--ab-ease);
}

.ab-brand__mark::after {
  content: "";
  position: absolute;
  left: 7px;
  bottom: 7px;
  width: 16px;
  height: 3px;
  background: var(--ab-midnight);
  transform: rotate(-45deg);
  transform-origin: left center;
}

.ab-brand:hover .ab-brand__mark { background: var(--ab-orange-deep); }

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

.ab-brand__name {
  font-size: 1.16rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--ab-deep);
}

.ab-brand__desc {
  font-family: var(--ab-mono);
  font-size: 0.6rem;
  letter-spacing: 0.07em;
  color: var(--ab-mist);
  margin-top: 3px;
}

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

.ab-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.5vw, 24px);
}

.ab-nav__item { position: relative; }

.ab-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--ab-deep);
  transition: color 0.18s var(--ab-ease);
}

.ab-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 1px;
  height: 3px;
  background: var(--ab-orange);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s var(--ab-ease);
}

.ab-nav__link:hover { color: var(--ab-orange-deep); }
.ab-nav__link:hover::after { transform: scaleX(1); }

.ab-nav__link[aria-current="page"] { color: var(--ab-orange-deep); }

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

/* 行动区 */
.ab-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: none;
}

/* 移动按钮 */
.ab-navtoggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  background: var(--ab-deep);
  color: var(--ab-white);
  border-radius: 3px 12px 12px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  transition: background 0.18s var(--ab-ease);
}

.ab-navtoggle:hover { background: var(--ab-orange); }

.ab-navtoggle__bar {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ab-mint);
  transition: transform 0.2s var(--ab-ease), opacity 0.2s var(--ab-ease);
}

.ab-navtoggle[aria-expanded="true"] .ab-navtoggle__bar:first-child {
  transform: translateY(3px) rotate(45deg);
}

.ab-navtoggle[aria-expanded="true"] .ab-navtoggle__bar:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

.ab-navtoggle__text { line-height: 1; }

/* 6 页脚 ---------------------------------------------------- */
.ab-footer {
  position: relative;
  background: var(--ab-midnight);
  color: var(--ab-white);
  --ab-focus: var(--ab-mint);
}

.ab-footer__band {
  height: 5px;
  background: linear-gradient(90deg,
    var(--ab-orange) 0 26%,
    var(--ab-orange-deep) 26% 44%,
    var(--ab-mint) 44% 50%,
    var(--ab-deep) 50% 100%);
}

.ab-footer__inner {
  padding-block: clamp(40px, 6vw, 76px) clamp(22px, 3vw, 34px);
}

.ab-footer__top {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 900px) {
  .ab-footer__top { grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.6fr); }
}

.ab-footer__name {
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.ab-footer__tagline {
  margin-top: 0.7em;
  max-width: 26em;
  font-size: 0.94rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.72);
}

.ab-footer__ver {
  margin-top: 1.1em;
  font-family: var(--ab-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--ab-mint);
}

.ab-footer__grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.ab-footer__title {
  font-family: var(--ab-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ab-mint);
  margin-bottom: 0.95em;
}

.ab-footer__links li + li { margin-top: 0.5em; }

.ab-footer__link {
  display: inline-block;
  font-size: 0.93rem;
  color: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.18s var(--ab-ease), border-color 0.18s var(--ab-ease);
}

.ab-footer__link:hover {
  color: var(--ab-white);
  border-bottom-color: var(--ab-orange);
}

.ab-footer__contact {
  display: grid;
  gap: 0.35em;
  margin-top: clamp(26px, 4vw, 46px);
  padding-top: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 0.86rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.74);
}

.ab-footer__contact p:last-child { color: rgba(255, 255, 255, 0.56); }

.ab-footer__legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.6em 1.8em;
  margin-top: clamp(18px, 2.4vw, 26px);
  padding-top: clamp(14px, 2vw, 22px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-family: var(--ab-mono);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.58);
}

/* 7 通用组件 ------------------------------------------------ */
.ab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.7em 1.15em;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.2;
  color: var(--ab-white);
  background: var(--ab-deep);
  border: 1.5px solid transparent;
  border-radius: 3px 12px 12px 12px;
  transition: background 0.18s var(--ab-ease), color 0.18s var(--ab-ease),
              border-color 0.18s var(--ab-ease), transform 0.18s var(--ab-ease),
              box-shadow 0.18s var(--ab-ease);
}

.ab-btn:hover { transform: translateY(-1px); }

.ab-btn--primary {
  background: var(--ab-orange);
  color: var(--ab-white);
}

.ab-btn--primary:hover {
  background: var(--ab-orange-deep);
  box-shadow: 0 12px 24px -14px rgba(217, 65, 15, 0.85);
}

.ab-btn--ghost {
  background: transparent;
  color: var(--ab-deep);
  border-color: var(--ab-deep);
}

.ab-btn--ghost:hover {
  background: var(--ab-deep);
  color: var(--ab-white);
}

.ab-btn--mint {
  background: transparent;
  color: var(--ab-mint);
  border-color: var(--ab-mint);
}

.ab-btn--mint:hover {
  background: var(--ab-mint);
  color: var(--ab-midnight);
}

.ab-btn--sm {
  padding: 0.5em 0.9em;
  font-size: 0.78rem;
}

.ab-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.32em 0.72em;
  font-family: var(--ab-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--ab-deep);
  background: rgba(11, 42, 69, 0.07);
  border: 1px solid transparent;
  border-radius: 999px;
  transition: background 0.16s var(--ab-ease), color 0.16s var(--ab-ease);
}

.ab-tag:hover { background: rgba(255, 90, 31, 0.16); color: var(--ab-orange-deep); }

.ab-tag[aria-pressed="true"],
.ab-tag.is-active {
  background: var(--ab-deep);
  color: var(--ab-white);
}

.ab-card {
  background: var(--ab-white);
  border: 1px solid var(--ab-sand);
  border-radius: 3px 20px 3px 3px;
  padding: clamp(18px, 2.4vw, 28px);
  transition: transform 0.2s var(--ab-ease), box-shadow 0.2s var(--ab-ease),
              border-color 0.2s var(--ab-ease);
}

.ab-card:hover {
  transform: translateY(-3px);
  border-color: var(--ab-orange);
  box-shadow: var(--ab-shadow);
}

.ab-section--deep .ab-card,
.ab-section--midnight .ab-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.16);
  color: var(--ab-white);
}

.ab-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55em;
  font-family: var(--ab-mono);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--ab-mist);
}

.ab-crumbs__link {
  color: var(--ab-mist);
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ab-ease), border-color 0.16s var(--ab-ease);
}

.ab-crumbs__link:hover {
  color: var(--ab-orange-deep);
  border-bottom-color: var(--ab-orange);
}

.ab-crumbs__sep { color: var(--ab-sand); }

.ab-crumbs__current { color: var(--ab-deep); }

.ab-section--deep .ab-crumbs,
.ab-section--midnight .ab-crumbs,
.ab-section--deep .ab-crumbs__link,
.ab-section--midnight .ab-crumbs__link { color: rgba(255, 255, 255, 0.6); }

.ab-section--deep .ab-crumbs__current,
.ab-section--midnight .ab-crumbs__current { color: var(--ab-white); }

/* 图片容器基础规则（页面阶段放占位即可） */
.ab-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--ab-deep);
  border-radius: 3px 22px 3px 3px;
  isolation: isolate;
}

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

.ab-media__img,
.ab-media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--ab-ease);
}

.ab-media:hover .ab-media__img,
.ab-media:hover > img { transform: scale(1.03); }

.ab-media__cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 16px;
  font-size: 0.76rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.86);
  background: linear-gradient(180deg, rgba(7, 26, 44, 0) 0%, rgba(7, 26, 44, 0.82) 100%);
}

.ab-media__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 0.28em 0.68em;
  font-family: var(--ab-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--ab-midnight);
  background: var(--ab-mint);
  border-radius: 2px;
}

/* 显现 */
.ab-reveal {
  opacity: 1;
  transform: none;
}

.ab-js .ab-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ab-ease), transform 0.5s var(--ab-ease);
}

.ab-js .ab-reveal.is-in {
  opacity: 1;
  transform: none;
}

/* 8 响应式 -------------------------------------------------- */
@media (max-width: 1080px) {
  .ab-brand__desc { display: none; }
  .ab-nav__list { gap: 12px; }
  .ab-nav__link { font-size: 0.87rem; }
  .ab-actions .ab-btn { padding: 0.6em 0.95em; font-size: 0.8rem; }
}

@media (max-width: 900px) {
  .ab-masthead__inner {
    flex-wrap: wrap;
    min-height: 62px;
    padding-block: 10px;
    gap: 10px;
  }

  .ab-brand { margin-right: auto; }

  .ab-brand__mark { width: 30px; height: 30px; }
  .ab-brand__name { font-size: 1.04rem; }

  .ab-navtoggle { display: inline-flex; }

  .ab-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin-left: 0;
    display: none;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    padding: 6px var(--ab-pad) 20px;
    background: var(--ab-deep);
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 26px 44px -22px rgba(7, 26, 44, 0.7);
  }

  .ab-nav[data-open="true"] {
    display: block;
    animation: ab-nav-in 0.16s var(--ab-ease) both;
  }

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

  .ab-nav__list {
    display: block;
    gap: 0;
  }

  .ab-nav__item + .ab-nav__item {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
  }

  .ab-nav__link {
    display: block;
    padding: 14px 2px;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
  }

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

  .ab-nav__link:hover,
  .ab-nav__link:focus-visible { color: var(--ab-mint); }

  .ab-nav__link[aria-current="page"] {
    color: var(--ab-mint);
    padding-left: 12px;
    box-shadow: inset 3px 0 0 var(--ab-orange);
  }

  .ab-actions .ab-btn--ghost { display: none; }
}

@media (max-width: 640px) {
  .ab-util { display: none; }
  .ab-topbar__note { font-size: 0.7rem; }
  .ab-topbar__inner { gap: 10px; }
  .ab-brand__name { font-size: 0.98rem; }
  .ab-navtoggle { padding: 8px 11px; font-size: 0.76rem; }
  .ab-footer__legal { font-family: var(--ab-font); font-size: 0.76rem; }
}

@media (max-width: 400px) {
  .ab-actions .ab-btn--primary { padding: 0.55em 0.8em; font-size: 0.74rem; }
}

/* 动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .ab-dot { animation: none; }
  .ab-js .ab-reveal { opacity: 1; transform: none; }
  .ab-media:hover .ab-media__img,
  .ab-media:hover > img { transform: none; }
  .ab-btn:hover,
  .ab-card:hover { transform: none; }
}