/* ============================================================
   AB游艺 · Site Kit 共享样式  /assets/site.css
   夜间大屏控制室 + 档案库
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd { 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 { width: 100%; border-collapse: collapse; }
hr { border: 0; }

:root {
  /* 色彩 */
  --ink: #06121F;
  --panel: #0B2033;
  --card: #123A57;
  --line: #2A4C63;
  --cyan: #35E0D2;
  --orange: #FF7A2F;
  --paper: #F6F1E7;
  --paper-edge: #E4D8C4;
  --paper-ink: #0A1A28;
  --mist: #A8BECD;
  --wine: #7A1F3D;
  --teal: #1F5B4F;
  --indigo: #4B2E83;

  /* 字体 */
  --font-display: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;

  /* 尺度 */
  --shell: 1240px;
  --gutter: 24px;
  --step-1: 14px;
  --step-2: 17px;
  --step-3: 20px;
  --step-4: 28px;
  --step-5: 44px;
  --step-6: 64px;
  --step-7: 96px;

  /* 动效 */
  --dur: 240ms;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

html { background: var(--ink); scroll-behavior: smooth; }
body {
  background: var(--ink);
  color: var(--mist);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: .002em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
@media (min-width: 1024px) { body { font-size: 17px; } }

html.is-locked,
html.is-locked body { overflow: hidden; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.paper-block :focus-visible,
.notice :focus-visible,
.zone--paper :focus-visible { outline-color: var(--wine); }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  display: inline-block;
  padding: 10px 18px;
  background: var(--cyan);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  transform: translateY(-220%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 排版 ---------- */
.t-hero {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 7vw, 96px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.t-section {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--paper);
}
.t-sub {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-3);
  line-height: 1.35;
  color: var(--paper);
}
.t-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  line-height: 1.4;
  color: var(--mist);
}
.mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  line-height: 1.6;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  text-transform: none;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:hover { border-color: var(--cyan); color: var(--cyan); background: rgba(53, 224, 210, .08); }
.btn--ghost { border-color: var(--line); color: var(--paper); }
.btn--solid { background: var(--paper); border-color: var(--paper); color: var(--paper-ink); }
.btn--solid:hover { background: var(--cyan); border-color: var(--cyan); color: var(--paper-ink); }
.btn--accent { border-color: var(--orange); color: var(--orange); }
.btn--accent:hover { background: var(--orange); border-color: var(--orange); color: var(--ink); }

/* ---------- 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 18px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}
.crumbs li { display: flex; align-items: center; gap: 8px; }
.crumbs li + li::before { content: "/"; color: var(--line); }
.crumbs a { color: var(--mist); }
.crumbs a:hover { color: var(--cyan); }
.crumbs [aria-current="page"] { color: var(--paper); }

/* ---------- 章节 / 网格 ---------- */
.section { padding-block: clamp(48px, 7vw, 88px); }
.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--split { grid-template-columns: 5fr 7fr; }
.rule { height: 1px; background: var(--line); }

/* ---------- 展签卡片 ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.card:hover,
.card:focus-within { transform: translateY(-2px); border-color: var(--cyan); }
.card__tag {
  display: block;
  padding: 8px 14px;
  background: var(--paper-edge);
  color: var(--paper-ink);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.card:hover .card__tag,
.card:focus-within .card__tag { background: var(--cyan); color: var(--paper-ink); }
.card__body { padding: 18px; }
.card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-3);
  line-height: 1.35;
  color: var(--paper);
}
.card__text { margin-top: 8px; font-size: 15px; line-height: 1.7; color: var(--mist); }
.card__meta {
  margin-top: auto;
  padding: 0 18px 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}

/* ---------- 图片容器（页面阶段放图） ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(140deg, var(--card) 0%, var(--panel) 55%, var(--ink) 100%);
}
.media-frame img { width: 100%; height: 100%; object-fit: cover; }
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--1x1 { aspect-ratio: 1 / 1; }
.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 10px;
  background: rgba(6, 18, 31, .84);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ---------- 主题分区 ---------- */
.zone { padding-block: clamp(32px, 5vw, 56px); }
.zone--wine { background: var(--wine); color: var(--paper); }
.zone--teal { background: var(--teal); color: var(--paper); }
.zone--indigo { background: var(--indigo); color: var(--paper); }
.zone--paper { background: var(--paper); color: var(--paper-ink); }
.zone--paper .t-section,
.zone--paper .t-sub { color: var(--paper-ink); }

/* ---------- 长文 / 规则 ---------- */
.paper-block {
  background: var(--paper);
  color: var(--paper-ink);
  border: 1px solid var(--paper-edge);
  padding: clamp(20px, 4vw, 40px);
}
.prose { max-width: 70ch; font-size: 17px; line-height: 1.75; }
.prose > * + * { margin-top: 1.2em; }
.prose h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.prose h3 { font-size: 20px; font-weight: 700; line-height: 1.35; }
.prose ul { list-style: none; }
.prose ul li { position: relative; padding-left: 18px; }
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}
.prose a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.paper-block .prose a,
.notice a { color: var(--wine); }
.prose strong { font-weight: 700; }

.notice {
  background: var(--paper);
  color: var(--paper-ink);
  border-left: 6px solid var(--orange);
  padding: 18px 20px;
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 芯片 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--mist);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.chip:hover { border-color: var(--cyan); color: var(--paper); }
.chip[aria-pressed="true"],
.chip.is-on { border-color: var(--cyan); background: rgba(53, 224, 210, .12); color: var(--cyan); }

/* ============================================================
   头部
   ============================================================ */
.site-head {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

/* 上层信息条 */
.topbar { background: var(--panel); border-bottom: 1px solid var(--line); }
.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 40px;
  padding-block: 5px;
}
.topbar__note {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mist);
}
.topbar__note::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 224, 210, .16);
}
.topbar__meta { display: flex; align-items: center; gap: 18px; flex: none; }
.topbar__hours {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}
.topbar__link {
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}
.topbar__link:hover { color: var(--paper); }

/* 主品牌行 */
.masthead { position: relative; background: var(--ink); }
.masthead__inner {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 72px;
  padding-block: 10px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; flex: none; }
.brand__mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--panel);
}
.brand__mark::before {
  content: "";
  width: 14px;
  height: 14px;
  background: var(--cyan);
  transition: background-color var(--dur) var(--ease);
}
.brand__mark::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 8px;
  height: 8px;
  background: var(--orange);
}
.brand:hover .brand__mark::before { background: var(--orange); }
.brand__text { display: flex; flex-direction: column; gap: 3px; line-height: 1.1; }
.brand__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.brand__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
}

/* 主导航 */
.nav { display: flex; align-items: center; margin-left: auto; }
.nav__top { display: none; }
.nav__quick { display: none; }
.nav__list { display: flex; align-items: center; gap: 2px; }
.nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 13px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--mist);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav__link:hover { color: var(--paper); background: var(--panel); }
.nav__link[aria-current="page"] {
  color: var(--cyan);
  background: rgba(53, 224, 210, .1);
  border-color: rgba(53, 224, 210, .38);
}

/* 头部工具 */
.head-tools { display: flex; align-items: center; gap: 10px; flex: none; }
.search-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--orange);
  background: transparent;
  color: var(--orange);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.search-btn:hover,
.search-btn[aria-expanded="true"] { background: var(--orange); color: var(--ink); }
.search-btn__icon {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  width: 10px;
  height: 10px;
  flex: none;
}
.search-btn__icon::before,
.search-btn__icon::after { content: ""; background: currentColor; }
.search-btn__icon::before { grid-column: 1; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  color: var(--paper);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .04em;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  flex: none;
  background: currentColor;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

/* 检索面板 */
.search-panel { border-top: 1px solid var(--line); background: var(--panel); }
.search-panel[hidden] { display: none; }
.search-panel[data-open] { animation: panel-drop var(--dur) var(--ease); }
.search-panel__inner { padding-block: 22px 26px; }
.search-panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}
.search-panel__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--paper);
}
.search-panel__hint {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}
.search-panel__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.search-entry {
  display: block;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: var(--ink);
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.search-entry:hover { background: var(--card); border-color: var(--cyan); border-left-color: var(--orange); }
.search-entry__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.search-entry__t {
  display: block;
  margin-top: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
}
.search-entry__d { display: block; margin-top: 4px; font-size: 13px; line-height: 1.6; color: var(--mist); }

@keyframes panel-drop {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   页脚
   ============================================================ */
.site-foot {
  background: var(--panel);
  border-top: 1px solid var(--line);
  color: var(--mist);
}
.foot__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px 32px;
  padding-block: clamp(40px, 6vw, 68px) clamp(32px, 4vw, 48px);
}
.foot__name {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 26px;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.foot__name::before {
  content: "";
  width: 12px;
  height: 12px;
  background: var(--cyan);
}
.foot__desc {
  max-width: 34ch;
  margin: 14px 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.foot__title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--paper);
}
.foot__title::before { content: ""; width: 14px; height: 2px; background: var(--cyan); }
.foot__col:nth-of-type(2) .foot__title::before { background: var(--orange); }
.foot__col:nth-of-type(3) .foot__title::before { background: var(--wine); }
.foot__list li + li { margin-top: 2px; }
.foot__list a {
  display: inline-block;
  padding: 7px 0;
  font-size: 15px;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}
.foot__list a:hover { color: var(--cyan); }

.foot__contact-wrap {
  background: var(--ink);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.foot__contact {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px 24px;
  padding-block: 28px;
}
.foot__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan);
}
.foot__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.foot__val--mono { font-family: var(--font-mono); letter-spacing: .02em; }
.foot__note {
  grid-column: 1 / -1;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.foot__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 22px 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
}
.foot__legal-links { display: flex; flex-wrap: wrap; gap: 20px; }
.foot__legal-links a { color: var(--mist); transition: color var(--dur) var(--ease); }
.foot__legal-links a:hover { color: var(--cyan); }

/* ============================================================
   滚动进度
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 250;
  pointer-events: none;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 100ms linear;
}

/* ============================================================
   显现
   ============================================================ */
html.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 400ms var(--ease), transform 400ms var(--ease);
}
html.has-js [data-reveal].is-in { opacity: 1; transform: none; }

@keyframes drawer-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .nav__link { padding: 0 10px; font-size: 14px; }
  .foot__top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .head-tools { margin-left: auto; }

  .nav {
    position: fixed;
    inset: 0;
    z-index: 120;
    display: none;
    flex-direction: column;
    align-items: stretch;
    margin-left: 0;
    padding: 18px var(--gutter) 48px;
    background: var(--ink);
    overflow-y: auto;
    overscroll-behavior: contain;
    border-bottom: 1px solid var(--line);
  }
  .nav[data-open] { display: flex; animation: drawer-in var(--dur) var(--ease); }

  .nav__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--line);
  }
  .nav__toplabel {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .14em;
    color: var(--cyan);
  }
  .nav__close {
    min-height: 44px;
    padding: 0 14px;
    border: 1px solid var(--line);
    color: var(--paper);
    font-size: 14px;
    font-weight: 600;
    transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
  }
  .nav__close:hover { border-color: var(--cyan); color: var(--cyan); }

  .nav__quick {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin-top: 18px;
  }
  .nav__quick-link {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
    min-height: 78px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-left: 3px solid var(--cyan);
    background: var(--panel);
    transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
  }
  .nav__quick-link strong {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--paper);
  }
  .nav__quick-link span {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .08em;
    color: var(--mist);
  }
  .nav__quick-link--teal { border-left-color: var(--teal); }
  .nav__quick-link--wine { border-left-color: var(--wine); }
  .nav__quick-link:hover { background: var(--card); border-color: var(--cyan); }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    width: 100%;
    margin-top: 22px;
  }
  .nav__link {
    justify-content: space-between;
    width: 100%;
    min-height: 52px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    background: var(--panel);
    font-size: 17px;
  }
  .nav__link::after {
    content: "→";
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--line);
  }
  .nav__link[aria-current="page"]::after { color: var(--cyan); }

  .search-panel__grid { grid-template-columns: 1fr; }
  .grid--split { grid-template-columns: 1fr; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  :root { --gutter: 18px; }
  .topbar__hours { display: none; }
  .topbar__note { font-size: 12px; letter-spacing: .02em; }
  .search-btn { display: none; }
  .brand__sub { display: none; }
  .brand__name { font-size: 20px; }
  .masthead__inner { min-height: 64px; gap: 12px; }
  .grid--2,
  .grid--3 { grid-template-columns: 1fr; }
  .foot__top { grid-template-columns: 1fr; gap: 30px; }
  .foot__contact { grid-template-columns: 1fr; }
  .foot__legal { flex-direction: column; align-items: flex-start; }
  .foot__legal-links { gap: 16px; }
}

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

/* ============================================================
   减弱动效
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  html.has-js [data-reveal] { opacity: 1; transform: none; }
  .scroll-progress { transition: none; }
  .card:hover,
  .card:focus-within { transform: none; }
}