/* =====================================================================
   荣一娱乐会馆 · /assets/site.css
   共享层：reset / 变量 / 中文排版 / 头部 / 页脚 / 通用组件
   ===================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root {
  --ink: #05060E;
  --night: #0B1226;
  --steel: #151C38;
  --neon: #6C4BFF;
  --haze: #A78BFA;
  --gold: #F2C879;
  --cyan: #35E6D2;
  --ivory: #F5F3EF;
  --mist: #9AA3C7;
  --ember: #2A3055;
  --pulse: #FF5C8A;

  --shell: 1240px;
  --gutter: clamp(18px, 4vw, 44px);

  --sans: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
          system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Archivo Expanded", "Anton", "Arial Narrow", Impact,
             "PingFang SC", "Noto Sans SC", system-ui, sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono", SFMono-Regular,
          Menlo, Consolas, monospace;

  --fs-12: 0.75rem;
  --fs-14: 0.875rem;
  --fs-16: 1rem;
  --fs-20: 1.25rem;
  --fs-28: 1.75rem;
  --fs-40: 2.5rem;
  --fs-64: clamp(2.25rem, 4.6vw, 4rem);
  --fs-96: clamp(2.6rem, 7.2vw, 6rem);

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --dur: 260ms;
  --dur-slow: 320ms;

  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--ink);
  background-image:
    radial-gradient(52rem 34rem at 88% -6%, rgba(108, 75, 255, 0.22), transparent 64%),
    radial-gradient(40rem 30rem at -12% 16%, rgba(53, 230, 210, 0.10), transparent 62%);
  background-repeat: no-repeat;
  color: var(--ivory);
  font-family: var(--sans);
  font-size: var(--fs-16);
  font-weight: 450;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 24px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--ivory);
}

p { margin: 0 0 1.4em; }
p:last-child { margin-bottom: 0; }

ul, ol { padding-left: 1.2em; }

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

button, input, select, textarea { font: inherit; color: inherit; }

a {
  color: var(--haze);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}
a:hover { color: var(--ivory); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

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

hr { border: 0; }

/* ---------- 3. 版式骨架 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.shell--narrow { max-width: 860px; }

.section {
  position: relative;
  padding-block: clamp(48px, 7vw, 96px);
}

.section--tint {
  background:
    linear-gradient(160deg, rgba(21, 28, 56, 0.58), rgba(11, 18, 38, 0.26) 58%, transparent 100%);
}

.slash-rule {
  height: 1px;
  border: 0;
  margin: clamp(32px, 5vw, 64px) 0;
  background: linear-gradient(90deg, transparent, rgba(108, 75, 255, 0.72) 18%, rgba(53, 230, 210, 0.55) 52%, transparent);
  transform: skewY(-0.6deg);
}

/* ---------- 4. 排版层级 ---------- */
.display {
  font-family: var(--display);
  font-size: var(--fs-96);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 0.98;
  margin: 0 0 24px;
}

.display--zh {
  font-family: var(--sans);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  text-transform: none;
  letter-spacing: 0.01em;
  line-height: 1.24;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--gold);
  opacity: 0.8;
}

.section-title {
  margin: 0 0 20px;
  font-size: clamp(1.75rem, 3.4vw, 2.6rem);
  line-height: 1.22;
  font-weight: 700;
}

.lede {
  max-width: 52ch;
  margin: 0 0 32px;
  font-size: var(--fs-20);
  line-height: 1.62;
  color: var(--mist);
}

.index-num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--gold);
}

.mono-xs {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.prose { max-width: 68ch; }
.prose h2 { margin-top: 40px; font-size: var(--fs-28); }
.prose h3 { margin-top: 32px; font-size: var(--fs-20); }
.prose p, .prose li { color: var(--ivory); }
.prose li { margin-bottom: 0.5em; }
.prose code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--cyan);
  background: rgba(21, 28, 56, 0.7);
  padding: 0.1em 0.4em;
  border-radius: 6px;
}

/* ---------- 5. 网格 ---------- */
.grid {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
}
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--asym { grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr); }

@media (max-width: 860px) {
  .grid--2, .grid--3, .grid--asym { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 6. 通用组件 ---------- */
.skip-link {
  position: absolute;
  top: -110px;
  left: var(--gutter);
  z-index: 200;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--neon);
  color: #fff;
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: 0; color: #fff; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-height: 44px;
  padding: 0.7em 1.5em;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  font-family: var(--sans);
  font-size: var(--fs-14);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-decoration: none;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              color var(--dur) var(--ease), transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
.btn:disabled, .btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn--primary {
  background: var(--neon);
  color: #fff;
  box-shadow: 0 14px 34px -18px rgba(108, 75, 255, 0.95);
}
.btn--primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 18px 42px -16px rgba(108, 75, 255, 1);
}

.btn--ghost {
  border-color: var(--ember);
  background: rgba(21, 28, 56, 0.32);
  color: var(--ivory);
}
.btn--ghost:hover {
  border-color: var(--haze);
  color: var(--haze);
}

.btn--quiet {
  border-color: rgba(53, 230, 210, 0.4);
  color: var(--cyan);
}
.btn--quiet:hover {
  background: var(--cyan);
  color: var(--ink);
}

.panel {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--ember);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(21, 28, 56, 0.86), rgba(11, 18, 38, 0.58));
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.panel--glow {
  border-color: rgba(108, 75, 255, 0.45);
  box-shadow: 0 24px 60px -40px rgba(108, 75, 255, 0.85);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid var(--ember);
  border-radius: 999px;
  background: rgba(21, 28, 56, 0.6);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}
.tag--cyan { color: var(--cyan); border-color: rgba(53, 230, 210, 0.42); }
.tag--gold { color: var(--gold); border-color: rgba(242, 200, 121, 0.42); }
.tag--pulse { color: var(--pulse); border-color: rgba(255, 92, 138, 0.45); }

.stat { display: block; }
.stat__value {
  display: block;
  font-family: var(--mono);
  font-size: var(--fs-40);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}
.stat__label {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.segmented {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--ember);
  border-radius: 999px;
  background: rgba(11, 18, 38, 0.82);
}
.segmented__btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--mist);
  font-family: var(--sans);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  min-height: 40px;
  padding: 0 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.segmented__btn:hover { color: var(--ivory); }
.segmented__btn[aria-selected="true"] {
  background: var(--neon);
  color: #fff;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  border: 1px solid var(--ember);
  border-radius: 999px;
  background: rgba(21, 28, 56, 0.5);
  color: var(--mist);
  font-family: var(--sans);
  font-size: var(--fs-14);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}
.chip:hover { border-color: var(--haze); color: var(--ivory); }
.chip[aria-pressed="true"] {
  background: rgba(53, 230, 210, 0.14);
  border-color: var(--cyan);
  color: var(--cyan);
}

.timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 32px;
  list-style: none;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--neon), var(--cyan) 62%, transparent);
}
.timeline__item {
  position: relative;
  padding-bottom: 32px;
}
.timeline__item:last-child { padding-bottom: 0; }
.timeline__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(53, 230, 210, 0.14);
}
.timeline__meta {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.timeline__title {
  margin: 0 0 8px;
  font-size: var(--fs-20);
  color: var(--ivory);
}
.timeline__body {
  margin: 0;
  font-size: var(--fs-16);
  color: var(--mist);
}

.breadcrumb { margin-bottom: clamp(20px, 2.6vw, 32px); }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.breadcrumb__list li { display: inline-flex; align-items: center; color: var(--mist); }
.breadcrumb__list li:not(:first-child)::before {
  content: "/";
  margin: 0 10px;
  color: var(--haze);
  opacity: 0.6;
}
.breadcrumb__list a { color: var(--mist); }
.breadcrumb__list a:hover { color: var(--ivory); }
.breadcrumb__list [aria-current="page"] { color: var(--gold); }

.media-frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--ember);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg, rgba(108, 75, 255, 0.28), rgba(53, 230, 210, 0.12) 52%, rgba(5, 6, 14, 0) 82%),
    var(--steel);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(115deg, rgba(167, 139, 250, 0.10) 0 1px, transparent 1px 22px);
}
.media-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  margin: 0;
  padding: 18px;
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--ivory);
  background: linear-gradient(0deg, rgba(5, 6, 14, 0.92), rgba(5, 6, 14, 0));
}
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--wide { aspect-ratio: 21 / 9; }

.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 7. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(5, 6, 14, 0.88);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--ember);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header[data-scrolled] {
  box-shadow: 0 20px 44px -30px rgba(108, 75, 255, 0.6);
}

.header-upper { background: transparent; }

.header-upper__inner {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.4vw, 34px);
  min-height: 68px;
  padding-block: 10px;
  transition: min-height var(--dur) var(--ease);
}
.site-header[data-scrolled] .header-upper__inner { min-height: 54px; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  color: var(--ivory);
}
.brand:hover { color: var(--ivory); }

.brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex: none;
  color: var(--gold);
  transition: transform var(--dur) var(--ease);
}
.brand:hover .brand__mark { transform: rotate(-8deg); }
.brand__mark svg { display: block; width: 100%; height: 100%; }

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand__name {
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand__latin {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
}

.header-upper__line {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity var(--dur) var(--ease);
}
.site-header[data-scrolled] .header-upper__line { opacity: 0; }

.header-quick { margin-left: auto; flex: none; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  min-width: 44px;
  padding: 0 14px;
  border: 1px solid var(--ember);
  border-radius: 999px;
  background: transparent;
  color: var(--ivory);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-toggle:hover { border-color: var(--haze); color: var(--haze); }

.nav-toggle__glyph {
  display: grid;
  gap: 4px;
  width: 16px;
}
.nav-toggle__glyph span {
  display: block;
  height: 1.5px;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.site-header[data-open] .nav-toggle__glyph span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.site-header[data-open] .nav-toggle__glyph span:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__glyph span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.header-lower { border-top: 1px solid rgba(42, 48, 85, 0.65); }

.site-nav { display: block; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 50px;
  padding: 0 16px;
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  color: var(--mist);
  white-space: nowrap;
  transition: color var(--dur) var(--ease), min-height var(--dur) var(--ease);
}
.site-nav__link::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--neon);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.site-nav__link:hover { color: var(--ivory); }
.site-nav__link:hover::after { transform: scaleX(1); }
.site-nav__link[aria-current="page"] {
  color: var(--ivory);
  font-weight: 600;
}
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  box-shadow: 0 0 14px rgba(108, 75, 255, 0.9);
}
.site-header[data-scrolled] .site-nav__link { min-height: 42px; }

.scroll-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--neon), var(--haze) 45%, var(--cyan));
}

/* ---------- 8. 移动端头部 ---------- */
@media (max-width: 899px) {
  .header-upper__line { display: none; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .header-lower {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    max-height: 0;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(11, 18, 38, 0.99), rgba(5, 6, 14, 0.99));
    border-top: 1px solid var(--ember);
    border-bottom: 1px solid var(--ember);
    transition: max-height var(--dur-slow) var(--ease);
  }
  .site-header[data-open] .header-lower {
    max-height: min(72vh, 540px);
    overflow-y: auto;
  }
  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-block: 8px 16px;
  }
  .site-nav__link {
    min-height: 54px;
    padding-inline: 22px;
    font-size: var(--fs-16);
  }
  .site-nav__link::after {
    left: 22px;
    right: auto;
    width: 22px;
    bottom: 16px;
  }
  .site-header[data-scrolled] .site-nav__link { min-height: 52px; }
}

@media (max-width: 640px) {
  .header-quick { display: none; }
  .brand__mark { width: 30px; height: 30px; }
}

/* ---------- 9. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 9vw, 140px);
  background: linear-gradient(180deg, rgba(11, 18, 38, 0.94), var(--ink) 74%);
  border-top: 1px solid var(--ember);
  color: var(--mist);
}
.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), var(--cyan) 32%, transparent 64%, var(--gold));
  opacity: 0.85;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 2fr;
  gap: clamp(32px, 5vw, 72px);
  padding-block: clamp(48px, 6vw, 80px) clamp(28px, 4vw, 48px);
}

.footer-brand__name {
  margin: 0 0 4px;
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ivory);
}
.footer-brand__latin {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--gold);
}
.footer-brand__line {
  margin: 0;
  max-width: 30ch;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--mist);
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(140px, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.footer-col__title {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.footer-col ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.footer-col a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  font-size: var(--fs-14);
  color: var(--mist);
}
.footer-col a:hover { color: var(--ivory); }
.footer-col a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  background: var(--haze);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}
.footer-col a:hover::after { transform: scaleX(1); }

.footer-meta {
  display: grid;
  gap: 12px;
  padding-block: clamp(22px, 2.6vw, 30px) clamp(38px, 5vw, 60px);
  border-top: 1px solid rgba(42, 48, 85, 0.7);
  font-size: var(--fs-12);
}
.footer-meta p { margin: 0; }

.footer-meta__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  width: 100%;
}
.footer-meta__row--end {
  justify-content: space-between;
  margin-top: 4px;
  padding-top: 16px;
  border-top: 1px solid rgba(42, 48, 85, 0.5);
}

.footer-meta__contact { color: var(--mist); }
.footer-meta__contact strong { color: var(--ivory); font-weight: 600; }
.footer-meta__sep { margin: 0 8px; color: var(--ember); }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 0 0 0 auto;
  padding: 0;
  list-style: none;
}
.footer-legal a { color: var(--mist); }
.footer-legal a:hover { color: var(--haze); }

.footer-meta__address,
.footer-meta__note { color: var(--mist); }
.footer-meta__note { max-width: 76ch; line-height: 1.7; }
.footer-meta__icp,
.footer-meta__copy {
  font-family: var(--mono);
  letter-spacing: 0.12em;
  color: var(--mist);
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .footer-legal { margin-left: 0; }
}

@media (max-width: 640px) {
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-meta__row--end { justify-content: flex-start; gap: 8px 18px; }
}

/* ---------- 10. 动效与可访问性 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 120ms !important;
  }

  .reveal { transform: none; }
  .brand:hover .brand__mark { transform: none; }
  .scroll-progress { display: none; }
}