/* =========================================================
   PG娱乐 · Site Kit 共享层
   海报式分层构图 / 夜间球场坐标网格 / 编辑部目录语言
   ========================================================= */

:root {
  /* ---- 色板 ---- */
  --ink: #0B1B2B;
  --ink-deep: #07111C;
  --paper: #F4EFE6;
  --fog: #E8EDF2;
  --green: #1F9D6A;
  --orange: #F26A2E;
  --steel: #6B7C8F;
  --moss: #D9F2E5;
  --amber: #FFD9C7;
  --stone: #CFC7B8;

  /* ---- 派生 ---- */
  --paper-dim: rgba(244, 239, 230, 0.64);
  --ink-dim: rgba(11, 27, 43, 0.64);
  --hair-paper: 1px solid rgba(244, 239, 230, 0.16);
  --hair-ink: 1px solid rgba(11, 27, 43, 0.16);

  /* ---- 字体 ---- */
  --font-ui: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "IBM Plex Mono", "Roboto Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* ---- 字号 ---- */
  --fs-h1: clamp(3.25rem, 8vw, 7.5rem);
  --fs-h2: clamp(2.1rem, 4vw, 4rem);
  --fs-h3: clamp(1.4rem, 2.2vw, 2.125rem);
  --fs-lead: clamp(1.0625rem, 1.4vw, 1.3125rem);
  --fs-body: clamp(1.0625rem, 1.05vw, 1.1875rem);
  --fs-small: 0.875rem;
  --fs-tiny: 0.8125rem;

  /* ---- 度量 ---- */
  --maxw: 1240px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
  --nav-h: 76px;
  --line: 2px solid var(--ink);
  --shadow: 8px 8px 0 var(--ink);
  --shadow-sm: 4px 4px 0 var(--ink);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6.5rem;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-nav-open { overflow: hidden; }

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

a { color: inherit; }

p { margin: 0 0 1em; }

ul, ol { margin: 0; padding: 0; }

button { font: inherit; }

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

/* ================= 中文排版 ================= */
h1, h2, h3, h4 {
  margin: 0 0 0.6em;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); letter-spacing: -0.035em; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); letter-spacing: -0.01em; }
h4 { font-size: 1.25rem; letter-spacing: 0; }

strong, b { font-weight: 900; }

:where(a, button, input, textarea, select, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--orange);
  outline-offset: 3px;
  border-radius: 0;
}

/* ================= 布局容器 ================= */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: 78ch; }

.section { padding-block: clamp(2.5rem, 6vw, 5rem); }
.section--tight { padding-block: clamp(1.5rem, 3.5vw, 2.75rem); }
.section--ink { background: var(--ink); color: var(--paper); }
.section--fog { background: var(--fog); }

.grid {
  display: grid;
  gap: clamp(1.25rem, 2.5vw, 2rem);
  grid-template-columns: minmax(0, 1fr);
}
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ================= 跳转链接 ================= */
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -120px;
  z-index: 300;
  padding: 0.7rem 1.15rem;
  background: var(--orange);
  color: var(--ink-deep);
  border: 2px solid var(--ink-deep);
  font-weight: 800;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: top 0.18s var(--ease);
}
.skip-link:focus { top: 0.75rem; }

/* ================= 滚动进度 ================= */
.scroll-meter {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  background: rgba(11, 27, 43, 0.12);
  z-index: 250;
  pointer-events: none;
}
.scroll-meter__bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green) 0%, var(--orange) 100%);
}

/* ================= 头部：第一层坐标条 ================= */
.site-header {
  position: relative;
  z-index: 120;
}

.masthead {
  background: var(--ink-deep);
  color: var(--paper-dim);
  border-bottom: 1px solid rgba(244, 239, 230, 0.14);
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  letter-spacing: 0.04em;
}

.masthead__inner {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding: 0.5rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 38px;
}

.masthead__brand-note {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  color: var(--paper);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: var(--fs-tiny);
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.masthead__dot {
  flex: none;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(31, 157, 106, 0.22);
}

.masthead__sep { color: var(--steel); }

.masthead__meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  flex: none;
}

.masthead__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
}

.masthead__meta-key { color: var(--steel); }

.masthead__link {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(244, 239, 230, 0.4);
  padding-bottom: 1px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.masthead__link:hover { color: var(--orange); border-bottom-color: var(--orange); }

/* ================= 头部：第二层主栏 ================= */
.nav-bar {
  position: sticky;
  top: 0;
  z-index: 110;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 3px solid var(--ink-deep);
  transition: box-shadow 0.2s var(--ease);
}

.site-header[data-scrolled="true"] .nav-bar {
  box-shadow: inset 0 -3px 0 var(--green), 0 14px 26px -22px rgba(7, 17, 28, 0.95);
}

.nav-bar__inner {
  position: relative;
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--nav-h);
}

/* ---- 品牌坐标标记 ---- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin-right: auto;
  color: var(--paper);
  text-decoration: none;
  flex: none;
}

.brand__mark {
  position: relative;
  flex: none;
  width: 42px;
  height: 42px;
  border: 2px solid var(--green);
  background-image:
    linear-gradient(var(--green), var(--green)),
    linear-gradient(var(--green), var(--green));
  background-size: 14px 2px, 2px 14px;
  background-position: center, center;
  background-repeat: no-repeat;
  transition: border-color 0.16s var(--ease);
}

.brand__mark::after {
  content: "";
  position: absolute;
  right: -4px;
  bottom: -4px;
  width: 8px;
  height: 8px;
  background: var(--orange);
  border: 2px solid var(--ink);
}

.brand:hover .brand__mark { border-color: var(--orange); }

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-weight: 900;
  font-size: 1.25rem;
  line-height: 1.05;
  letter-spacing: 0.02em;
}

.brand__sub {
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

/* ---- 移动端抽屉按钮 ---- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  background: transparent;
  color: var(--paper);
  border: 2px solid rgba(244, 239, 230, 0.35);
  border-radius: 0;
  font-weight: 800;
  font-size: var(--fs-small);
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease), color 0.16s var(--ease);
}
.nav-toggle:hover { border-color: var(--green); }
.nav-toggle[aria-expanded="true"] {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink-deep);
}

.nav-toggle__bars {
  display: block;
  width: 18px;
  height: 12px;
  background-image:
    linear-gradient(currentColor, currentColor),
    linear-gradient(currentColor, currentColor),
    linear-gradient(currentColor, currentColor);
  background-size: 100% 2px, 100% 2px, 100% 2px;
  background-position: top, center, bottom;
  background-repeat: no-repeat;
}

.nav-toggle__label { line-height: 1; }

/* ---- 导航 ---- */
.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list__item { position: relative; }

.nav-link {
  display: inline-block;
  padding: 0.6rem 0.75rem;
  color: var(--paper);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), transform 0.16s var(--ease);
}
.nav-link:hover { color: var(--moss); border-bottom-color: var(--green); }
.nav-link[aria-current="page"] {
  color: var(--moss);
  border-bottom-color: var(--orange);
  background: rgba(31, 157, 106, 0.16);
}

.nav-quick { display: none; }

.nav-quick__link {
  display: block;
  padding: 0.85rem 1rem;
  background: var(--orange);
  color: var(--ink-deep);
  border: 2px solid var(--ink-deep);
  font-weight: 800;
  font-size: 0.9375rem;
  text-decoration: none;
  transition: transform 0.16s var(--ease);
}
.nav-quick__link:hover { transform: translateX(3px); }
.nav-quick__link + .nav-quick__link {
  background: var(--moss);
  color: var(--ink);
  border-color: var(--ink);
}

/* ================= 页脚 ================= */
.site-footer {
  margin-top: clamp(2.5rem, 6vw, 5rem);
  background: var(--ink-deep);
  color: var(--paper);
  border-top: 4px solid var(--green);
  padding-top: clamp(2.25rem, 5vw, 4rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.35fr 0.85fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.footer-brand { min-width: 0; }

.brand--footer { margin-right: 0; color: var(--paper); }
.brand--footer .brand__mark { border-color: var(--green); }
.brand--footer .brand__text { font-size: 1.375rem; }

.footer-brand__note {
  margin: 1.25rem 0 0;
  max-width: 26em;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--paper-dim);
}

.footer-steps {
  display: grid;
  gap: 0.5rem;
  margin-top: 1.5rem;
  max-width: 22rem;
}

.footer-step {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  background: rgba(244, 239, 230, 0.06);
  border: 2px solid rgba(244, 239, 230, 0.2);
  color: var(--paper);
  font-size: 0.9375rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease), transform 0.16s var(--ease);
}
.footer-step:hover {
  background: rgba(31, 157, 106, 0.2);
  border-color: var(--green);
  transform: translateX(3px);
}

.footer-step__num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.footer-step__txt { line-height: 1.4; }

.footer-col { min-width: 0; }

.footer-heading {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--green);
}

.footer-links {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-link {
  display: inline-block;
  color: var(--paper);
  font-size: 0.9375rem;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), transform 0.16s var(--ease);
}
.footer-link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
  transform: translateX(3px);
}

.footer-contact {
  display: grid;
  gap: 0.7rem;
  margin: 0 0 1.15rem;
  padding: 0;
  list-style: none;
}

.footer-contact__row {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 0.5rem;
  align-items: baseline;
}

.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.footer-contact__val {
  color: var(--paper);
  font-size: 0.9375rem;
  line-height: 1.6;
  word-break: break-word;
}

.footer-note {
  margin: 0;
  max-width: 30em;
  font-size: var(--fs-tiny);
  line-height: 1.75;
  color: var(--steel);
}

.footer-base {
  background: var(--ink);
  border-top: 2px solid rgba(244, 239, 230, 0.16);
  padding-block: 1.25rem;
}

.footer-base__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem 2rem;
}

.footer-copy,
.footer-icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  letter-spacing: 0.04em;
  color: var(--steel);
}

/* ================= 通用文字组件 ================= */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}
.eyebrow::before {
  content: "";
  flex: none;
  width: 1.75rem;
  height: 2px;
  background: var(--orange);
}

.coord {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green);
}
.coord::before {
  content: "";
  width: 10px;
  height: 10px;
  border: 2px solid currentColor;
  transform: rotate(45deg);
}

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

.rule {
  height: 3px;
  border: 0;
  margin: 0;
  background: var(--ink);
}
.rule--green { background: var(--green); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.6rem;
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.4;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.tag--green { background: var(--moss); border-color: var(--green); }
.tag--orange { background: var(--amber); border-color: var(--orange); }

.link-line {
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--green);
  padding-bottom: 1px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.link-line:hover { color: var(--orange); border-bottom-color: var(--orange); }

/* ================= 按钮 ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1.4rem;
  background: var(--paper);
  color: var(--ink);
  border: var(--line);
  box-shadow: var(--shadow-sm);
  font-family: var(--font-ui);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.16s var(--ease), box-shadow 0.16s var(--ease), background-color 0.16s var(--ease);
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(0, 0); box-shadow: 2px 2px 0 var(--ink); }

.btn--primary { background: var(--orange); color: var(--ink-deep); }
.btn--green { background: var(--green); color: var(--ink-deep); }
.btn--ghost { background: transparent; box-shadow: none; }
.btn--ghost:hover { background: rgba(11, 27, 43, 0.06); box-shadow: none; transform: none; }

.btn--on-dark {
  color: var(--paper);
  background: transparent;
  border-color: rgba(244, 239, 230, 0.5);
  box-shadow: 4px 4px 0 rgba(31, 157, 106, 0.85);
}
.btn--on-dark:hover { box-shadow: 6px 6px 0 rgba(31, 157, 106, 1); }

/* ================= 面板 ================= */
.panel {
  background: var(--paper);
  border: var(--line);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.25rem, 2.5vw, 2rem);
}
.panel--fog { background: var(--fog); }
.panel--moss { background: var(--moss); border-color: var(--green); }
.panel--amber { background: var(--amber); border-color: var(--orange); }
.panel--dark {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink-deep);
  box-shadow: 4px 4px 0 var(--green);
}

/* ================= 图片容器基础 ================= */
.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--fog);
  border: var(--line);
  box-shadow: var(--shadow-sm);
}
.media-frame > img,
.media-frame > svg,
.media-frame > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--portrait { aspect-ratio: 3 / 4; }

.media-frame--grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(11, 27, 43, 0.14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(11, 27, 43, 0.14) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 1;
}

.media-frame__caption {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  letter-spacing: 0.06em;
  color: var(--steel);
}

/* ================= 面包屑 ================= */
.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--fs-tiny);
  letter-spacing: 0.04em;
  color: var(--steel);
}
.crumb__item { display: flex; align-items: center; gap: 0.5rem; }
.crumb__item + .crumb__item::before { content: "/"; color: var(--stone); }
.crumb__link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--stone);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.crumb__link:hover { color: var(--orange); border-bottom-color: var(--orange); }
.crumb__current { color: var(--steel); }

/* ================= 正文排版 ================= */
.prose {
  max-width: 40em;
  line-height: 1.85;
}
.prose > *:first-child { margin-top: 0; }
.prose > *:last-child { margin-bottom: 0; }
.prose p { margin: 0 0 1.15em; }
.prose h2 { font-size: clamp(1.6rem, 2.4vw, 2.25rem); margin: 1.8em 0 0.6em; }
.prose h3 { font-size: clamp(1.25rem, 1.8vw, 1.6rem); margin: 1.6em 0 0.5em; }
.prose ul, .prose ol { margin: 0 0 1.15em; padding-left: 1.4em; }
.prose li + li { margin-top: 0.35em; }
.prose a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--green);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.prose a:hover { color: var(--orange); border-bottom-color: var(--orange); }
.prose blockquote {
  margin: 1.5em 0;
  padding: 0.75rem 0 0.75rem 1.25rem;
  border-left: 4px solid var(--green);
  color: var(--ink);
  font-weight: 700;
}

/* ================= 响应式：页头 ================= */
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem var(--gutter) 1.5rem;
    background: var(--ink-deep);
    border-bottom: 4px solid var(--green);
    box-shadow: 0 24px 42px -26px rgba(0, 0, 0, 0.8);
    max-height: calc(100vh - var(--nav-h));
    max-height: calc(100dvh - var(--nav-h));
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .nav[data-open="true"] { display: flex; }

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

  .nav-link {
    display: block;
    padding: 0.9rem 0.25rem;
    font-size: 1.0625rem;
    border-bottom: 1px solid rgba(244, 239, 230, 0.12);
  }
  .nav-link:hover { border-bottom-color: var(--green); }
  .nav-link[aria-current="page"] {
    background: rgba(31, 157, 106, 0.16);
    border-bottom-color: var(--orange);
    padding-left: 0.75rem;
  }

  .nav-quick {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(244, 239, 230, 0.16);
  }

  .grid--3, .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .masthead__meta-item--hours { display: none; }
  .masthead__meta { gap: 0.85rem; }
}

@media (max-width: 640px) {
  .masthead__brand-note { font-size: 0.75rem; }
  .masthead__meta { gap: 0.6rem; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
  .brand__text { font-size: 1.125rem; }
  .brand__mark { width: 38px; height: 38px; }
  .footer-base__inner { justify-content: flex-start; }
}

/* ================= 响应式：页脚 ================= */
@media (max-width: 1100px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
}

@media (max-width: 640px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-steps { max-width: none; }
  .footer-contact__row { grid-template-columns: 2.75rem minmax(0, 1fr); }
}

/* ================= 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;
    scroll-behavior: auto !important;
  }
  .btn:hover,
  .footer-step:hover,
  .footer-link:hover,
  .nav-quick__link:hover { transform: none; }
}