/* ===========================================================
   财神8主页 · 共享外壳样式
   路径：/assets/site.css
   系统：技术蓝图网格 × 复古出版色 × 品牌罗盘
   =========================================================== */

/* ---------- 0. 设计令牌 ---------- */
:root {
  --paper: #F7F1E6;
  --cream: #EFE4D2;
  --cream-deep: #E7D9C2;
  --ink: #16130F;
  --ink-soft: #453D33;
  --rule: #D9CDB6;
  --cinnabar: #BE3A2E;
  --cinnabar-deep: #8E2418;
  --gold: #C9A227;
  --gold-deep: #8A6E1F;
  --jade: #1F6F5C;
  --lapis: #1F3A6E;
  --sheen: linear-gradient(90deg, #8E2418 0%, #BE3A2E 45%, #C9A227 100%);

  --font-head: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-num: "Inter", "IBM Plex Sans", "Geist", "Helvetica Neue", Arial, sans-serif;

  --shell: 1320px;
  --gutter: clamp(16px, 4vw, 44px);
  --cut: 14px;
  --ease: ease-out;
  --nav-break: 1080px;
}

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

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

body {
  margin: 0;
  min-height: 100%;
  background-color: var(--paper);
  background-image:
    repeating-linear-gradient(90deg, rgba(217, 205, 182, 0.30) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(217, 205, 182, 0.18) 0 1px, transparent 1px 96px);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

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

button { font: inherit; color: inherit; }

a { color: var(--lapis); text-decoration: none; }
a:hover { color: var(--cinnabar-deep); }

::selection {
  background: var(--cinnabar);
  color: #FBF6EC;
}

/* ---------- 2. 中文排版 ---------- */
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.01em;
  line-height: 1.18;
  text-wrap: balance;
}

h1 { font-size: clamp(34px, 5.6vw, 56px); line-height: 1.14; }
h2 { font-size: clamp(26px, 3.4vw, 34px); line-height: 1.28; }
h3 { font-size: clamp(19px, 2.1vw, 22px); line-height: 1.45; }
h4 { font-size: 18px; line-height: 1.5; }
h5, h6 { font-size: 15px; line-height: 1.5; }

p { margin: 0 0 1.1em; }

strong, b { font-weight: 700; color: var(--ink); }

code, kbd, samp, .num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

code {
  padding: 2px 6px;
  background: var(--cream);
  border: 1px solid var(--rule);
  font-size: 0.9em;
}

hr {
  height: 1px;
  margin: 40px 0;
  border: 0;
  background: var(--gold);
  opacity: 0.55;
}

ul, ol { padding-left: 1.4em; }

/* ---------- 3. 焦点与可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -140px;
  z-index: 200;
  padding: 12px 22px;
  background: var(--ink);
  color: var(--paper);
  font-size: 14px;
  letter-spacing: 0.04em;
  border: 1px solid var(--gold);
  transition: top 0.18s var(--ease);
}

.skip-link:focus {
  top: 14px;
  color: #FBF6EC;
}

/* ---------- 4. 布局容器 ---------- */
.shell {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: clamp(48px, 7vw, 104px);
}

.section-cream { background: var(--cream); }

.section-rule {
  border-top: 1px solid var(--gold);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px 36px;
  margin-bottom: clamp(26px, 3.4vw, 46px);
}

.section-head > * { margin-bottom: 0; }

.blueprint-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 28px);
}

/* ---------- 5. 通用文字组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

.eyebrow::before {
  content: "";
  width: 20px;
  height: 1px;
  background: var(--gold);
}

.lead {
  max-width: 44em;
  margin: 0;
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.72;
  color: var(--ink-soft);
}

.prose {
  max-width: 38em;
  color: var(--ink);
}

.prose > * + * { margin-top: 1.1em; }

.prose p { margin: 0; }

.prose a {
  color: var(--cinnabar-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.prose a:hover { color: var(--cinnabar); }

.prose ul,
.prose ol { margin: 0; }

.prose blockquote {
  margin: 0;
  padding: 2px 0 2px 20px;
  border-left: 2px solid var(--gold);
  color: var(--ink-soft);
}

/* ---------- 6. 面包屑 ---------- */
.breadcrumb {
  padding-block: 18px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumb-list li {
  display: inline-flex;
  align-items: center;
}

.breadcrumb-list li + li::before {
  content: "/";
  margin: 0 10px;
  color: var(--gold-deep);
}

.breadcrumb-list a {
  color: var(--ink-soft);
  border-bottom: 1px solid var(--rule);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.breadcrumb-list a:hover {
  color: var(--cinnabar-deep);
  border-bottom-color: var(--gold);
}

.breadcrumb-list [aria-current="page"] { color: var(--ink); }

/* ---------- 7. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--sheen);
}

.header-inner {
  display: grid;
  grid-template-columns: auto minmax(40px, 1fr) auto;
  align-items: center;
  column-gap: clamp(16px, 2.4vw, 32px);
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
  padding-block: 16px;
  transition: padding-block 0.24s var(--ease);
}

.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
}

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

.brand-seal {
  display: grid;
  place-items: center;
  flex: none;
  width: 42px;
  height: 42px;
  background: var(--cinnabar);
  color: #FBF6EC;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px);
  transition: background-color 0.18s var(--ease);
}

.brand:hover .brand-seal { background: var(--cinnabar-deep); }

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-name {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--ink);
  white-space: nowrap;
}

.brand-latin {
  font-family: var(--font-num);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
  white-space: nowrap;
}

.brand-tagline {
  margin: 0;
  padding-left: 15px;
  border-left: 1px solid var(--rule);
  font-size: 13px;
  line-height: 1.45;
  color: var(--ink-soft);
  white-space: nowrap;
}

.header-spine {
  position: relative;
  align-self: center;
  height: 1px;
  min-width: 40px;
  background: var(--rule);
}

.header-spine::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 8px;
  height: 8px;
  margin: -4px 0 0 -4px;
  background: var(--gold);
  transform: rotate(45deg);
  opacity: 0.9;
}

.header-coords {
  position: relative;
  width: min(100% - var(--gutter) * 2, var(--shell));
  height: 22px;
  margin-inline: auto;
  border-top: 1px solid var(--rule);
  background-image:
    linear-gradient(90deg, var(--rule) 0 1px, transparent 1px),
    linear-gradient(90deg, var(--rule) 0 1px, transparent 1px);
  background-size: calc(100% / 12) 10px, 9px 6px;
  background-position: 0 0, 0 0;
  background-repeat: repeat-x, repeat-x;
  transition: height 0.24s var(--ease), opacity 0.2s var(--ease);
}

.site-header[data-scrolled] .header-inner { padding-block: 9px; }

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

/* --- 导航 --- */
.site-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: navidx;
}

.nav-list > li { counter-increment: navidx; }

.nav-list a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 12px 12px;
  font-size: 15px;
  line-height: 1.3;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), transform 0.18s var(--ease);
}

.nav-list a::before {
  content: counter(navidx, decimal-leading-zero);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  opacity: 0.55;
  transition: opacity 0.18s var(--ease), color 0.18s var(--ease);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 5px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s var(--ease);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--cinnabar-deep);
  transform: translateY(-2px);
}

.nav-list a:hover::before,
.nav-list a:focus-visible::before { opacity: 1; }

.nav-list a:hover::after,
.nav-list a:focus-visible::after { transform: scaleX(1); }

.nav-list a[aria-current="page"] { color: var(--cinnabar-deep); }

.nav-list a[aria-current="page"]::before {
  opacity: 1;
  color: var(--cinnabar);
}

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

.nav-utility {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-left: 18px;
  border-left: 1px solid var(--rule);
}

.nav-util {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lapis);
  border: 1px solid var(--rule);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.nav-util::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--lapis);
  transform: rotate(45deg);
}

.nav-util:hover,
.nav-util:focus-visible {
  color: var(--cinnabar-deep);
  border-color: var(--gold);
  background: var(--cream);
}

.nav-util:hover::before { background: var(--cinnabar); }

/* --- 移动导航按钮 --- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease);
}

.nav-toggle:hover {
  border-color: var(--gold);
  background: var(--cream);
}

.nav-toggle-mark {
  position: relative;
  display: block;
  width: 16px;
  height: 12px;
  border-top: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
}

.nav-toggle-mark::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  margin-top: -1px;
  background: currentColor;
}

.nav-toggle[aria-expanded="true"] {
  border-color: var(--gold);
  color: var(--cinnabar-deep);
  background: var(--cream);
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s var(--ease), background-color 0.18s var(--ease),
              border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.btn-primary {
  background: var(--cinnabar-deep);
  color: #FBF6EC;
  border-color: var(--cinnabar-deep);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--cinnabar);
  border-color: var(--gold);
  color: #FBF6EC;
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

.btn-ghost:hover,
.btn-ghost:focus-visible {
  border-color: var(--gold);
  background: rgba(201, 162, 39, 0.1);
  color: var(--cinnabar-deep);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 9px 16px;
  font-size: 13px;
}

/* ---------- 9. 切角面板与图片容器 ---------- */
.cut-panel {
  position: relative;
  padding: clamp(20px, 2.6vw, 34px);
  background: var(--cream);
  clip-path: polygon(
    var(--cut) 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%,
    0 var(--cut)
  );
  transition: background-color 0.18s var(--ease);
}

.cut-panel:hover { background: var(--cream-deep); }

.cut-panel-ink {
  background: var(--ink);
  color: rgba(247, 241, 230, 0.82);
}

.cut-panel-ink:hover { background: #231F19; }

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--cream);
  border: 1px solid var(--rule);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - var(--cut)),
    calc(100% - var(--cut)) 100%,
    0 100%
  );
}

.media-frame > img,
.media-frame > svg,
.media-frame > picture > img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame-wide { aspect-ratio: 16 / 9; }
.media-frame-tall { aspect-ratio: 3 / 4; }
.media-frame-square { aspect-ratio: 1 / 1; }

/* ---------- 10. 页面头 ---------- */
.page-head {
  padding-block: clamp(40px, 6vw, 84px) clamp(28px, 4vw, 46px);
  border-bottom: 1px solid var(--rule);
}

.page-head > .shell > h1 { margin-bottom: 0.35em; }

/* ---------- 11. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 0;
  background: var(--ink);
  color: rgba(247, 241, 230, 0.78);
  font-size: 15px;
  line-height: 1.7;
  border-top: 4px solid;
  border-image: var(--sheen) 1;
}

.footer-inner {
  width: min(100% - var(--gutter) * 2, var(--shell));
  margin-inline: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns:
    minmax(230px, 1.25fr)
    minmax(140px, 0.85fr)
    minmax(160px, 0.95fr)
    minmax(220px, 1.1fr);
  gap: clamp(28px, 4vw, 54px);
  padding-block: clamp(48px, 7vw, 88px) clamp(34px, 4.6vw, 58px);
  border-bottom: 1px solid rgba(217, 205, 182, 0.22);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-mark {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-seal {
  display: grid;
  place-items: center;
  flex: none;
  width: 44px;
  height: 44px;
  background: var(--cinnabar);
  color: #FBF6EC;
  font-family: var(--font-head);
  font-size: 23px;
  font-weight: 800;
  line-height: 1;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
}

.footer-mark-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-brand-name {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.25;
  color: #F7F1E6;
}

.footer-brand-latin {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer-brand-note {
  margin: 0;
  max-width: 26ch;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(247, 241, 230, 0.62);
}

.footer-col-title {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list li { padding-left: 14px; }

.footer-list a {
  position: relative;
  display: inline-block;
  font-size: 15px;
  color: rgba(247, 241, 230, 0.78);
  transition: color 0.18s var(--ease);
}

.footer-list a::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 0.78em;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width 0.2s var(--ease);
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: #F7F1E6;
}

.footer-list a:hover::before,
.footer-list a:focus-visible::before { width: 9px; }

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.65;
  color: rgba(247, 241, 230, 0.72);
}

.footer-contact li {
  padding-left: 15px;
  border-left: 1px solid rgba(217, 205, 182, 0.3);
}

.footer-contact-note { color: var(--gold); }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 32px;
  padding-block: 24px 34px;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(247, 241, 230, 0.55);
}

.footer-copy,
.footer-copy-note { margin: 0; }

.footer-copy-note { max-width: 34em; }

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-legal-links a {
  color: rgba(247, 241, 230, 0.68);
  border-bottom: 1px solid rgba(217, 205, 182, 0.3);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.footer-legal-links a:hover,
.footer-legal-links a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ---------- 12. 滚动进度条（由 JS 注入） ---------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 2px;
  z-index: 160;
  background: var(--sheen);
  transform: scaleX(0);
  transform-origin: 0 50%;
  pointer-events: none;
}

/* ---------- 13. 进入视口显现 ---------- */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.22s ease-out, transform 0.22s ease-out;
}

html.js [data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1260px) {
  .brand-tagline { display: none; }

  .nav-list a {
    padding: 12px 10px;
    font-size: 14px;
  }
}

@media (max-width: 1080px) {
  .site-header::before { height: 2px; }

  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 16px;
    padding-block: 15px;
  }

  .header-spine { display: none; }
  .header-coords { display: none; }
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 95;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: min(90vw, 400px);
    padding: 92px 26px 40px;
    background: var(--cream);
    border-left: 1px solid var(--rule);
    box-shadow: -34px 0 70px -46px rgba(22, 19, 15, 0.7);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    transform: translateX(102%);
    transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
  }

  .site-nav[data-open] { transform: translateX(0); }

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

  .nav-list a {
    display: flex;
    width: 100%;
    padding: 15px 2px;
    font-size: 17px;
    border-bottom: 1px solid var(--rule);
    transform: none;
  }

  .nav-list a:hover,
  .nav-list a:focus-visible { transform: none; }

  .nav-list a::after { display: none; }

  .nav-utility {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-top: 26px;
    padding-left: 0;
    border-left: 0;
  }

  .nav-util { justify-content: flex-start; }

  .nav-utility .btn { width: 100%; }

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

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

@media (max-width: 760px) {
  body { font-size: 16px; }
  body { background-attachment: scroll; }

  .brand-seal { width: 38px; height: 38px; font-size: 20px; }
  .brand-name { font-size: 17px; }

  .page-head { padding-block: 32px 26px; }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
    padding-block: 46px 34px;
  }

  .footer-legal {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding-block: 22px 34px;
  }
}

@media (max-width: 480px) {
  .site-nav { width: 100%; padding-inline: 20px; }
  .brand-latin { letter-spacing: 0.16em; }
}

/* ---------- 15. 动效降级 ---------- */
@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;
  }

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

  .nav-list a:hover,
  .nav-list a:focus-visible,
  .btn:hover,
  .btn:focus-visible { transform: none; }

  .scroll-progress { display: none; }

  .site-nav { transition: none; }
}
