/* ==========================================================================
   九娱乐会馆 · /assets/site.css
   夜间会馆意象：墨底黑基底 / 暖金 1px 细线 / 宋体标题 / 等宽数字 / 玻璃雾层
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --ink: #0A0C0B;
  --slate: #16191A;
  --gold: #C8A24A;
  --gold-lt: #E8CE8F;
  --paper: #F3EEE4;
  --mist: #A8A79F;
  --cinnabar: #C0453A;
  --cinnabar-lt: #E07A6A;
  --celadon: #6E9C86;
  --gold-deep: #6B5527;
  --glass: rgba(255, 255, 255, .08);

  --line: rgba(200, 162, 74, .26);
  --line-strong: rgba(200, 162, 74, .55);
  --line-soft: rgba(255, 255, 255, .07);

  --wrap: 1280px;
  --gutter: clamp(18px, 4vw, 56px);
  --beam-h: 88px;
  --radius: 2px;

  --ease: cubic-bezier(.2, 0, 0, 1);

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, "SimSun", serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- 2. 重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--ink);
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

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

button {
  font: inherit;
  color: inherit;
}

::selection {
  background: rgba(200, 162, 74, .32);
  color: #FFF8E7;
}

/* ---------- 3. 中文排版层级 ---------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .5em;
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--paper);
  line-height: 1.25;
  letter-spacing: .02em;
}

h1 {
  font-size: clamp(40px, 6vw, 88px);
  line-height: 1.05;
}

h2 { font-size: clamp(26px, 3vw, 40px); }

h3 { font-size: 20px; }

:where(h2, h3) {
  position: relative;
  padding-left: .68em;
}

:where(h2, h3)::before {
  content: "";
  position: absolute;
  left: 0;
  top: .52em;
  width: 2px;
  height: .92em;
  background: var(--gold);
}

p { margin: 0 0 1.2em; }

a {
  color: var(--gold-lt);
  text-decoration: none;
  transition: color .18s ease-out;
}

a:hover { color: var(--gold); }

strong { font-weight: 600; color: var(--paper); }

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

/* ---------- 4. 工具类 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  font-weight: 500;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--gold);
  flex: 0 0 auto;
}

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--line);
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 32px);
}

.section {
  position: relative;
  padding-block: clamp(48px, 7vw, 110px);
}

.section--alt {
  background: var(--slate);
  border-block: 1px solid var(--line-soft);
}

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(243, 238, 228, .9);
}

.prose p { margin-bottom: 1.2em; }

/* ---------- 5. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--gold-lt);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .1em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .2s ease-out, color .2s ease-out, border-color .2s ease-out;
}

.btn:hover {
  background: rgba(200, 162, 74, .14);
  color: var(--gold-lt);
  border-color: var(--gold);
}

.btn--gold {
  background: linear-gradient(180deg, #D9B45C 0%, #B98F35 100%);
  border-color: #D9B45C;
  color: #151007;
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(10, 12, 11, .35);
}

.btn--gold:hover {
  background: linear-gradient(180deg, #E8CE8F 0%, #C8A24A 100%);
  border-color: var(--gold-lt);
  color: #0A0C0B;
}

.btn--ghost {
  border-color: var(--line);
  color: var(--paper);
}

.btn--ghost:hover {
  border-color: var(--gold);
  background: rgba(255, 255, 255, .05);
  color: var(--gold-lt);
}

.btn--sm {
  padding: 8px 14px;
  font-size: 13px;
  letter-spacing: .08em;
}

.btn--block {
  display: flex;
  width: 100%;
}

/* ---------- 6. 页头 / 门廊横梁 ---------- */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: var(--radius);
  background: var(--gold);
  color: #0A0C0B;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  transform: translateY(-180%);
  transition: transform .2s ease-out;
}

.skip-link:focus {
  transform: translateY(0);
  color: #0A0C0B;
}

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 90;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out;
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 12, 11, .94) 0%, rgba(10, 12, 11, .55) 58%, rgba(10, 12, 11, 0) 100%);
  opacity: 1;
  transition: opacity .2s ease-out;
}

.site-header[data-scrolled] {
  background-color: var(--ink);
  border-bottom-color: var(--gold-deep);
  box-shadow: 0 18px 36px -28px #000;
}

.site-header[data-scrolled]::before { opacity: 0; }

.beam-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 34px);
  height: var(--beam-h);
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
  transition: height .2s ease-out;
}

.site-header[data-scrolled] .beam-inner { height: 64px; }

/* 品牌印章 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--paper);
  text-decoration: none;
}

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

.brand-seal {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(200, 162, 74, .18) 0%, rgba(107, 85, 39, .06) 100%);
  color: var(--gold-lt);
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  transition: transform .3s var(--ease), border-color .2s ease-out;
}

.brand-seal::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(200, 162, 74, .35);
  border-radius: 1px;
}

.brand:hover .brand-seal {
  transform: rotate(-4deg);
  border-color: var(--gold-lt);
}

.brand-name {
  display: block;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .12em;
  line-height: 1.2;
  color: var(--paper);
}

.brand-sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .24em;
  line-height: 1.5;
  color: var(--mist);
}

/* 导航 */
.primary-nav { display: flex; align-items: center; }

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.9vw, 32px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 6px 0;
  color: var(--paper);
  font-size: 15px;
  letter-spacing: .06em;
  white-space: nowrap;
  text-decoration: none;
  transition: color .18s ease-out;
}

.nav-link:hover { color: var(--gold-lt); }

.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .28s var(--ease);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after { transform: scaleX(1); }

.nav-link[aria-current="page"] {
  color: var(--gold-lt);
  font-weight: 500;
}

.nav-panel-foot { display: none; }

/* 右侧快捷位 */
.header-utility {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.4vw, 20px);
  margin-left: auto;
}

.version-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .04);
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .08em;
  white-space: nowrap;
}

.version-chip b {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--gold-lt);
}

.help-link {
  color: var(--paper);
  font-size: 14px;
  letter-spacing: .04em;
  border-bottom: 1px solid transparent;
  transition: color .18s ease-out, border-color .18s ease-out;
}

.help-link:hover {
  color: var(--gold-lt);
  border-bottom-color: var(--gold);
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .04);
  color: var(--paper);
  font-size: 13px;
  letter-spacing: .12em;
  cursor: pointer;
  transition: border-color .18s ease-out, background-color .18s ease-out;
}

.nav-toggle:hover {
  border-color: var(--gold);
  background: rgba(200, 162, 74, .1);
}

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle-bars span {
  display: block;
  height: 1px;
  background: var(--gold-lt);
  transition: transform .24s var(--ease), opacity .2s ease-out;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(1) {
  transform: translateY(2.5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars span:nth-child(2) {
  transform: translateY(-2.5px) rotate(-45deg);
}

/* 滚动进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 3;
  height: 2px;
  background: rgba(255, 255, 255, .05);
  pointer-events: none;
}

.scroll-progress > span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--gold-deep) 0%, var(--gold-lt) 100%);
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

/* ---------- 7. 页脚 ---------- */
.site-footer {
  position: relative;
  border-top: 1px solid var(--gold-deep);
  background: linear-gradient(180deg, #0A0C0B 0%, #0C0F0E 45%, #0A0C0B 100%);
  color: var(--mist);
  font-size: 14px;
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--gold) 50%, transparent 100%);
  opacity: .65;
}

.footer-inner { padding-block: clamp(44px, 6vw, 84px) 0; }

.footer-top {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 2fr;
  gap: clamp(28px, 4vw, 72px);
  align-items: start;
}

.brand--footer { margin-bottom: 16px; }

.footer-note {
  max-width: 34ch;
  margin: 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.9;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 48px);
}

.footer-col-title {
  margin: 0 0 14px;
  padding: 0 0 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--paper);
}

.footer-col-title::before { display: none; }

.footer-col ul {
  display: grid;
  gap: 9px;
  list-style: none;
}

.footer-col a {
  display: inline-block;
  color: var(--mist);
  font-size: 14px;
  letter-spacing: .04em;
  border-bottom: 1px solid transparent;
  transition: color .18s ease-out, padding-left .18s ease-out, border-color .18s ease-out;
}

.footer-col a:hover {
  color: var(--gold-lt);
  padding-left: 4px;
  border-bottom-color: rgba(200, 162, 74, .5);
}

.footer-contact {
  margin-top: clamp(32px, 4vw, 56px);
  padding-top: 24px;
  border-top: 1px solid var(--line-soft);
}

.footer-col-title--contact { border-bottom: 0; margin-bottom: 18px; padding-bottom: 0; }

.contact-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 14px 32px;
  list-style: none;
}

.contact-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
}

.contact-item--wide { grid-column: 1 / -1; align-items: flex-start; }

.contact-key {
  min-width: 64px;
  color: var(--gold);
  font-size: 12px;
  letter-spacing: .14em;
}

.contact-val {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  word-break: break-word;
}

.contact-val--addr {
  max-width: 52ch;
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.7;
}

.copy-btn {
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.6;
  cursor: pointer;
  transition: color .18s ease-out, border-color .18s ease-out, background-color .18s ease-out;
}

.copy-btn:hover {
  color: var(--gold-lt);
  border-color: var(--gold);
  background: rgba(200, 162, 74, .1);
}

.copy-btn.is-copied {
  color: var(--celadon);
  border-color: var(--celadon);
  background: rgba(110, 156, 134, .14);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  margin-top: clamp(28px, 3vw, 44px);
  padding: 18px 0 30px;
  border-top: 1px solid var(--line-soft);
  color: rgba(168, 167, 159, .85);
  font-size: 12px;
  letter-spacing: .06em;
}

.legal-line { margin: 0; }

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  list-style: none;
}

.legal-links a {
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color .18s ease-out, border-color .18s ease-out;
}

.legal-links a:hover {
  color: var(--gold-lt);
  border-bottom-color: var(--gold);
}

/* ---------- 8. 通用内容组件 ---------- */
.card {
  position: relative;
  padding: clamp(18px, 2.2vw, 28px);
  border: 1px solid rgba(107, 85, 39, .5);
  border-radius: var(--radius);
  background: var(--slate);
  transition: border-color .2s ease-out, transform .2s var(--ease);
}

.card:hover { border-color: var(--line-strong); }

.panel {
  padding: clamp(18px, 2.4vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--glass);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .03);
  color: var(--mist);
  font-size: 12px;
  letter-spacing: .08em;
  line-height: 1.7;
}

.tag--gold {
  color: var(--gold-lt);
  border-color: rgba(200, 162, 74, .5);
  background: rgba(200, 162, 74, .1);
}

.tag--celadon {
  color: var(--celadon);
  border-color: rgba(110, 156, 134, .45);
  background: rgba(110, 156, 134, .1);
}

.tag--alert {
  color: var(--cinnabar-lt);
  border-color: rgba(192, 69, 58, .5);
  background: rgba(192, 69, 58, .12);
}

.dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--celadon);
  box-shadow: 0 0 0 3px rgba(110, 156, 134, .18);
  flex: 0 0 auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.data-table th {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  text-align: left;
  white-space: nowrap;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-soft);
  color: rgba(243, 238, 228, .88);
  vertical-align: top;
  line-height: 1.5;
}

.data-table tbody tr:nth-child(even) { background: rgba(255, 255, 255, .025); }

.data-table tbody tr {
  transition: background-color .12s ease-out;
}

.data-table tbody tr:hover { background: rgba(200, 162, 74, .08); }

/* 面包屑 */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--mist);
  font-size: 12.5px;
  letter-spacing: .08em;
}

.breadcrumbs a {
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color .18s ease-out, border-color .18s ease-out;
}

.breadcrumbs a:hover {
  color: var(--gold-lt);
  border-bottom-color: var(--gold);
}

.breadcrumbs .sep { color: var(--gold-deep); }

.breadcrumbs [aria-current="page"] { color: var(--paper); }

/* 图片容器基础规则（页面阶段放入图片或占位） */
.fig {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(107, 85, 39, .55);
  border-radius: var(--radius);
  background: var(--slate);
  aspect-ratio: 16 / 9;
}

.fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.06) brightness(.82);
  transition: transform .6s var(--ease);
}

.fig:hover img { transform: scale(1.025); }

.fig::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(10, 12, 11, 0) 42%, rgba(10, 12, 11, .8) 100%);
}

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

.fig__ph {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-color: var(--slate);
  background-image:
    linear-gradient(rgba(200, 162, 74, .1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 162, 74, .1) 1px, transparent 1px),
    radial-gradient(circle at 30% 20%, rgba(200, 162, 74, .16) 0%, transparent 60%);
  background-size: 40px 40px, 40px 40px, 100% 100%;
}

.fig__cap {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

/* ---------- 9. 主内容外壳与入场动效 ---------- */
#main-content {
  display: block;
  padding-top: var(--beam-h);
  min-height: 60vh;
}

[data-reveal] { opacity: 1; }

html.js-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

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

/* ---------- 10. 响应式 ---------- */
@media (max-width: 1023px) {
  .header-utility { display: none; }

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

  .primary-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    max-height: calc(100vh - var(--beam-h));
    padding: 14px var(--gutter) 26px;
    overflow-y: auto;
    background: #0A0C0B;
    border-bottom: 1px solid var(--gold-deep);
    box-shadow: 0 26px 42px -26px #000;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity .22s ease-out, transform .22s ease-out, visibility .22s;
  }

  .primary-nav[data-open="true"] {
    visibility: visible;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

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

  .nav-list li + li { border-top: 1px solid rgba(200, 162, 74, .14); }

  .nav-link {
    display: block;
    padding: 14px 0;
    font-family: var(--font-serif);
    font-size: 16px;
    letter-spacing: .1em;
  }

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

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

  .nav-link[aria-current="page"]::before {
    content: "";
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 10px;
    vertical-align: 2px;
    background: var(--gold);
    transform: rotate(45deg);
  }

  .nav-panel-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 22px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
  }
}

@media (min-width: 1024px) {
  .primary-nav {
    visibility: visible;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
}

@media (max-width: 900px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }

  .footer-cols { grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr)); }

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  :root { --beam-h: 68px; }

  body { font-size: 16px; }

  .prose { font-size: 16px; }

  h1 { font-size: clamp(34px, 8.6vw, 52px); }

  .brand-sub { display: none; }

  .brand-seal { width: 34px; height: 34px; font-size: 18px; }

  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .footer-legal { flex-direction: column; align-items: flex-start; }

  .contact-key { min-width: 56px; }
}

@media (max-width: 480px) {
  .nav-toggle-label { display: none; }

  .footer-cols { grid-template-columns: 1fr 1fr; }

  .data-table { font-size: 13px; }

  .data-table th,
  .data-table td { padding: 8px 9px; }
}

/* ---------- 11. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

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

  .fig:hover img { transform: none; }
}