/* ==========================================================================
   半岛赛事 · /assets/site.css
   共享层：reset、变量、中文排版、页头、页脚、通用组件
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; width: 100%; }

:root {
  --deep-sea: #0A2540;
  --midnight: #1B1F4B;
  --sand: #D9A441;
  --neon: #00E5B0;
  --wine: #7A1F3D;
  --teal: #0F3D3E;
  --paper: #F4F1EA;
  --ink: #101418;
  --slate: #55606E;
  --hairline: #C9C2B6;

  --hairline-dark: rgba(244, 241, 234, 0.16);
  --glass: rgba(244, 241, 234, 0.06);
  --glass-line: rgba(244, 241, 234, 0.16);

  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Consolas, "Courier New", monospace;

  --step--2: 0.72rem;
  --step--1: 0.8125rem;
  --step-0: 1rem;
  --step-1: clamp(1.2rem, 1.6vw, 1.55rem);
  --step-2: clamp(1.55rem, 3vw, 2.4rem);
  --step-3: clamp(2.2rem, 5vw, 4.8rem);

  --gutter: clamp(20px, 4.2vw, 96px);
  --page-max: 1320px;
  --measure: 68ch;
  --radius: 2px;

  --dur: 240ms;
  --spring: cubic-bezier(0.22, 0.61, 0.36, 1);
}

body {
  background-color: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection { background: var(--neon); color: #04211a; }

:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 1px;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- 布局工具 ---------- */
.wrap {
  width: 100%;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.wrap--narrow { max-width: 880px; }

.section { padding-block: clamp(48px, 7vw, 104px); }
.section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.display {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-3);
  line-height: 1.06;
  letter-spacing: -0.01em;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-2);
  line-height: 1.22;
  letter-spacing: 0.01em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.22em;
  color: var(--sand);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.label {
  font-size: var(--step--2);
  line-height: 1.5;
  color: var(--slate);
  letter-spacing: 0.04em;
}
.datum {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.hairline {
  height: 1px;
  border: 0;
  margin-block: clamp(24px, 4vw, 48px);
  background: var(--hairline);
}
.hairline--dark { background: var(--hairline-dark); }

.stack { display: flex; flex-direction: column; gap: var(--stack-gap, 16px); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

/* ---------- 12 列非对称栅格 ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2.4vw, 32px);
}
.grid > * { grid-column: 1 / -1; }

@media (min-width: 768px) {
  .grid > .span-3 { grid-column-end: span 3; }
  .grid > .span-4 { grid-column-end: span 4; }
  .grid > .span-5 { grid-column-end: span 5; }
  .grid > .span-6 { grid-column-end: span 6; }
  .grid > .span-7 { grid-column-end: span 7; }
  .grid > .span-8 { grid-column-end: span 8; }
  .grid > .span-9 { grid-column-end: span 9; }
  .grid > .span-10 { grid-column-end: span 10; }
  .grid > .span-12 { grid-column-end: span 12; }
  .grid > .offset-1 { grid-column-start: 2; }
  .grid > .offset-2 { grid-column-start: 3; }
  .grid > .offset-3 { grid-column-start: 4; }
  .grid > .offset-4 { grid-column-start: 5; }
}

/* ---------- 跳转与进度 ---------- */
.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -120px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--neon);
  color: #04211a;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.06em;
  border-radius: var(--radius);
  transition: top var(--dur) var(--spring);
}
.skip-link:focus { top: 10px; }

.scroll-progress {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  display: block;
  height: 2px;
  pointer-events: none;
}
.scroll-progress-bar {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--neon), var(--sand));
  transition: width 120ms linear;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  transition: background-color var(--dur), color var(--dur), border-color var(--dur), transform var(--dur) var(--spring);
}
.btn--primary { background: var(--sand); color: #1D1408; }
.btn--primary:hover { background: #E7B košík; background: #E7B65B; }
.btn--ghost { border-color: currentColor; color: inherit; opacity: 0.85; }
.btn--ghost:hover { opacity: 1; transform: translateY(-1px); }

/* ---------- 面板与色区 ---------- */
.glass-panel {
  padding: clamp(20px, 3vw, 32px);
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  transition: transform var(--dur) var(--spring), border-color var(--dur), background-color var(--dur);
}
.glass-panel:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 229, 176, 0.45);
  background: rgba(244, 241, 234, 0.09);
}

.solid-panel {
  padding: clamp(20px, 3vw, 32px);
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
}
.solid-panel--dark {
  background: var(--midnight);
  color: var(--paper);
  border-color: var(--hairline-dark);
}

.zone { padding-block: clamp(40px, 6vw, 88px); }
.zone--deep { background: var(--deep-sea); color: var(--paper); }
.zone--indigo { background: var(--midnight); color: var(--paper); }
.zone--teal { background: var(--teal); color: var(--paper); }
.zone--wine { background: var(--wine); color: var(--paper); }
.zone--sand { background: rgba(217, 164, 65, 0.14); color: var(--ink); }

/* ---------- 面包屑 ---------- */
.breadcrumb { --bc: var(--slate); margin-block: 18px 0; }
.breadcrumb--dark { --bc: rgba(244, 241, 234, 0.62); }
.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  color: var(--bc);
}
.breadcrumb-item { display: flex; align-items: center; gap: 8px; }
.breadcrumb-item + .breadcrumb-item::before { content: "/"; color: var(--bc); opacity: 0.5; }
.breadcrumb-item a { border-bottom: 1px solid transparent; transition: color var(--dur), border-color var(--dur); }
.breadcrumb-item a:hover { color: var(--neon); border-color: var(--neon); }

/* ---------- 长文 ---------- */
.prose {
  --prose-fg: var(--ink);
  max-width: var(--measure);
  color: var(--prose-fg);
  font-size: 1rem;
  line-height: 1.75;
}
.prose--dark { --prose-fg: rgba(244, 241, 234, 0.84); }
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
  font-family: var(--font-display);
  font-size: var(--step-1);
  line-height: 1.3;
  margin-top: 2em;
}
.prose h3 { font-size: 1.08rem; font-weight: 600; margin-top: 1.6em; }
.prose ul, .prose ol { padding-left: 1.25em; list-style: disc; }
.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.5em; }
.prose a { color: #0C6B57; border-bottom: 1px solid currentColor; }
.prose a:hover { color: #084F41; }
.prose--dark a { color: var(--neon); }

/* ---------- 图片 / 图形容器 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background-color: var(--midnight);
  background-image:
    linear-gradient(rgba(244, 241, 234, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 241, 234, 0.07) 1px, transparent 1px);
  background-size: 64px 64px;
  border: 1px solid var(--hairline-dark);
  border-radius: var(--radius);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.media-frame::before,
.media-frame::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--neon);
  pointer-events: none;
}
.media-frame::before { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.media-frame::after { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.media-frame figcaption {
  position: absolute;
  left: 16px; right: 16px; bottom: 14px;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  color: rgba(244, 241, 234, 0.82);
}
.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }

/* ---------- 标签与状态 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid currentColor;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--slate);
}
.tag--sand { color: #8A6216; border-color: rgba(217, 164, 65, 0.55); background: rgba(217, 164, 65, 0.14); }
.tag--neon { color: #046B53; border-color: rgba(0, 229, 176, 0.6); background: rgba(0, 229, 176, 0.14); }

.status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(0, 229, 176, 0.16);
  animation: statusPulse 2600ms ease-in-out infinite;
}
@keyframes statusPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(0, 229, 176, 0.14); }
  50% { box-shadow: 0 0 0 6px rgba(0, 229, 176, 0.06); }
}

/* ---------- 可展开索引组 ---------- */
.collapse-set {
  --collapse-line: var(--hairline);
  --collapse-fg: var(--ink);
  border-top: 1px solid var(--collapse-line);
}
.collapse-set--dark {
  --collapse-line: var(--hairline-dark);
  --collapse-fg: var(--paper);
}
.collapse-item { border-bottom: 1px solid var(--collapse-line); }
.collapse-trigger {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 18px 0;
  text-align: left;
  color: var(--collapse-fg);
  transition: color var(--dur);
}
.collapse-trigger:hover { color: var(--neon); }
.collapse-index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  color: var(--sand);
}
.collapse-title {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.5;
}
.collapse-sign {
  position: relative;
  flex: 0 0 auto;
  align-self: center;
  width: 14px; height: 14px;
}
.collapse-sign::before,
.collapse-sign::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform var(--dur) var(--spring), opacity var(--dur);
}
.collapse-sign::before { width: 12px; height: 1.5px; }
.collapse-sign::after { width: 1.5px; height: 12px; }
.collapse-item.is-open .collapse-sign::after { transform: translate(-50%, -50%) scaleY(0); opacity: 0; }
.collapse-panel {
  padding: 0 0 22px;
  color: var(--collapse-fg);
  opacity: 0.86;
}
.collapse-panel[hidden] { display: none; }
.collapse-item.is-open .collapse-panel { animation: panelIn var(--dur) var(--spring) both; }
@keyframes panelIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

/* ---------- 视口显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 600ms ease-out, transform 600ms ease-out;
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   页头
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  color: var(--paper);
  background-image: linear-gradient(180deg, rgba(10, 37, 64, 0.97) 0%, rgba(27, 31, 75, 0.94) 100%);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--hairline-dark);
}

.header-shell {
  position: relative;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.header-utility {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 28px);
  min-height: 64px;
  padding-block: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.brand-mark {
  position: relative;
  flex: 0 0 auto;
  width: 26px; height: 26px;
  border: 1px solid var(--sand);
  border-radius: 50%;
  background-image: radial-gradient(circle at 50% 50%, rgba(0, 229, 176, 0.35), transparent 64%);
}
.brand-mark::before {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid var(--neon);
  border-radius: 50%;
}
.brand-mark::after {
  content: "";
  position: absolute;
  left: 50%; top: -5px;
  width: 1px; height: 34px;
  background-image: linear-gradient(180deg, transparent, var(--sand), transparent);
  transform: translateX(-50%);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-line {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.16em;
  line-height: 1.2;
}
.brand-sub {
  display: none;
  font-size: var(--step--2);
  letter-spacing: 0.06em;
  color: rgba(244, 241, 234, 0.56);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (min-width: 768px) { .brand-sub { display: block; } }

.utility-note {
  display: none;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: rgba(244, 241, 234, 0.6);
}
@media (min-width: 1080px) { .utility-note { display: block; } }

.utility-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.header-cta {
  display: none;
  padding: 8px 14px;
  border: 1px solid rgba(217, 164, 65, 0.6);
  border-radius: var(--radius);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--sand);
  transition: background-color var(--dur), border-color var(--dur), color var(--dur);
}
.header-cta:hover {
  background: rgba(217, 164, 65, 0.14);
  border-color: var(--sand);
  color: #FFFFFF;
}
@media (min-width: 640px) { .header-cta { display: inline-block; } }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 38px;
  border: 1px solid rgba(244, 241, 234, 0.24);
  border-radius: var(--radius);
  background: rgba(244, 241, 234, 0.05);
  transition: border-color var(--dur), background-color var(--dur);
}
.nav-toggle:hover { border-color: var(--neon); background: rgba(0, 229, 176, 0.1); }
.nav-toggle-bar {
  display: block;
  width: 18px; height: 1.5px;
  background: var(--paper);
  transition: transform var(--dur) var(--spring), opacity var(--dur);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav-toggle-text {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
@media (min-width: 900px) { .nav-toggle { display: none; } }

.header-nav {
  display: none;
  border-top: 1px solid var(--hairline-dark);
}
.header-nav[data-open="true"] { display: block; }
@media (min-width: 900px) {
  .header-nav { display: block; }
}

.nav-list { display: flex; flex-direction: column; }
@media (min-width: 900px) {
  .nav-list { flex-direction: row; flex-wrap: wrap; align-items: stretch; }
}

.nav-item { border-bottom: 1px solid rgba(244, 241, 234, 0.1); }
@media (min-width: 900px) {
  .nav-item { border-bottom: 0; border-right: 1px solid var(--hairline-dark); }
  .nav-item:first-child { border-left: 1px solid var(--hairline-dark); }
}

.nav-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 0;
  font-size: 0.94rem;
  letter-spacing: 0.06em;
  color: rgba(244, 241, 234, 0.82);
  transition: color var(--dur), background-color var(--dur);
}
@media (min-width: 900px) { .nav-link { padding: 16px 24px; } }
.nav-link:hover { color: #FFFFFF; background: rgba(0, 229, 176, 0.08); }

.nav-index {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: rgba(244, 241, 234, 0.4);
  transition: color var(--dur);
}
.nav-link:hover .nav-index { color: var(--neon); }

.nav-label { font-family: var(--font-body); }

.nav-link[aria-current="page"] { color: var(--sand); }
.nav-link[aria-current="page"] .nav-index { color: var(--neon); }
.nav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background-image: linear-gradient(90deg, var(--neon), var(--sand));
}
@media (min-width: 900px) {
  .nav-link[aria-current="page"]::after { left: 24px; right: 24px; }
}

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 128px);
  overflow: hidden;
  color: var(--paper);
  background-color: var(--deep-sea);
  background-image:
    radial-gradient(120% 90% at 10% 0%, rgba(15, 61, 62, 0.9), transparent 62%),
    linear-gradient(180deg, var(--deep-sea) 0%, #061829 100%);
  border-top: 1px solid var(--hairline-dark);
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(244, 241, 234, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 241, 234, 0.05) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
}

.footer-shell {
  position: relative;
  max-width: var(--page-max);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 76px) var(--gutter) clamp(24px, 4vw, 40px);
}

.footer-console {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
}
@media (min-width: 768px) {
  .footer-console { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .footer-brand { grid-column: span 5; }
  .footer-index { grid-column: span 7; }
}
@media (min-width: 1100px) {
  .footer-brand { grid-column: span 4; }
  .footer-index { grid-column: span 8; }
}

.footer-brand-line {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: 0.14em;
  line-height: 1.2;
}
.footer-brand-note {
  margin-top: 12px;
  font-size: var(--step--1);
  letter-spacing: 0.06em;
  color: rgba(244, 241, 234, 0.6);
}
.footer-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: rgba(244, 241, 234, 0.72);
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 9px 14px;
  border: 1px solid rgba(0, 229, 176, 0.45);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.08em;
  color: var(--neon);
  transition: background-color var(--dur), border-color var(--dur), color var(--dur);
}
.copy-btn:hover { background: rgba(0, 229, 176, 0.12); border-color: var(--neon); }
.copy-btn[data-copied="true"] {
  color: var(--sand);
  border-color: var(--sand);
  background: rgba(217, 164, 65, 0.14);
}
.copy-label { pointer-events: none; }
.copy-state {
  margin-top: 8px;
  min-height: 1.2em;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.04em;
  color: var(--sand);
  word-break: break-all;
}

.footer-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
}
@media (min-width: 560px) { .footer-index { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.footer-col-title {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: 400;
  letter-spacing: 0.14em;
  color: rgba(244, 241, 234, 0.66);
}
.footer-col-mark {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 1px;
}
.footer-col-mark--sand { background: var(--sand); }
.footer-col-mark--neon { background: var(--neon); }
.footer-col-mark--wine { background: var(--wine); box-shadow: 0 0 0 1px rgba(244, 241, 234, 0.4); }

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}
.footer-links a {
  align-self: flex-start;
  font-size: 0.92rem;
  color: rgba(244, 241, 234, 0.78);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--dur), border-color var(--dur);
}
.footer-links a:hover { color: var(--neon); border-color: var(--neon); }

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 28px;
  margin-top: clamp(32px, 5vw, 60px);
  padding-top: 20px;
  border-top: 1px solid var(--hairline-dark);
  font-size: var(--step--2);
  color: rgba(244, 241, 234, 0.55);
}
.footer-legal { font-family: var(--font-mono); letter-spacing: 0.04em; }
.footer-contact { font-family: var(--font-mono); letter-spacing: 0.04em; }
.footer-address { color: rgba(244, 241, 234, 0.42); }
@media (min-width: 900px) { .footer-address { margin-left: auto; } }

/* ==========================================================================
   减少动态
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .scroll-progress-bar { transition: none; }
  .status-dot { animation: none; }
  .glass-panel:hover { transform: none; }
}