/* ==========================================================
   ROR 电竞站 · 共享样式表  /assets/site.css
   深夜数据作战室：深空黑底 · 锐利网格 · 发光数字 · 壮锦几何
   ========================================================== */

/* ---------- 1 · RESET ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background-color: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a { color: inherit; text-decoration: none; }

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }

ul, ol { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-transform: uppercase;
  color: var(--text);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

hr { border: 0; border-top: 1px solid var(--line); }

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

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

[id] { scroll-margin-top: 108px; }

/* ---------- 2 · 设计变量 ---------- */
:root {
  --ink: #07090D;
  --ink-2: #0B0E14;
  --panel: #12161D;
  --line: #232B36;
  --line-soft: #1A212B;
  --red: #FF3B4E;
  --red-dim: #7A1522;
  --cyan: #22E0C8;
  --gold: #F5A623;
  --text: #E9EEF6;
  --text-soft: #B9C4D4;
  --muted: #93A0B2;
  --glass: #0F2B2E;
  --disabled: #3A4453;

  --font-display: "Oswald", "Barlow Condensed", "Arial Narrow", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-data: ui-monospace, "JetBrains Mono", "Roboto Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;

  --max: 1440px;
  --pad-x: clamp(18px, 4vw, 40px);
  --radius: 18px;
  --radius-lg: 24px;
  --pill: 999px;
  --section-y: clamp(56px, 8vw, 118px);
  --mesh: 32px;
  --shadow-panel: 0 26px 60px -40px rgba(0, 0, 0, 0.95);
  --shadow-float: 0 32px 70px -34px rgba(0, 0, 0, 0.9);
}

/* ---------- 3 · 跳转链 / 无障碍 ---------- */
.skip-link {
  position: absolute;
  left: 50%;
  top: 10px;
  z-index: 200;
  transform: translate(-50%, -220%);
  padding: 11px 20px;
  border-radius: var(--pill);
  background: var(--cyan);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
  transition: transform 0.2s ease;
}
.skip-link:focus { transform: translate(-50%, 0); }

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

/* ---------- 4 · 头部：悬浮胶囊导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  padding: 14px var(--pad-x) 12px;
  background: linear-gradient(
    180deg,
    rgba(7, 9, 13, 0.96) 0%,
    rgba(7, 9, 13, 0.72) 62%,
    rgba(7, 9, 13, 0) 100%
  );
  transition: padding 0.3s ease;
}

.header-shell {
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.6vw, 22px);
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 9px 12px 9px 16px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(18, 22, 29, 0.78);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  box-shadow: var(--shadow-panel);
  transition: background 0.3s ease, border-color 0.3s ease, padding 0.3s ease;
}

.site-header.is-condensed { padding-top: 8px; padding-bottom: 8px; }
.site-header.is-condensed .header-shell {
  padding-top: 5px;
  padding-bottom: 5px;
  background: rgba(13, 17, 23, 0.94);
  border-color: rgba(34, 224, 200, 0.24);
}
.site-header.is-condensed .brand-tagline { opacity: 0; }

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  min-width: 0;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border-radius: 12px;
  border: 1px solid rgba(255, 59, 78, 0.55);
  background: linear-gradient(135deg, var(--red) 0%, var(--red-dim) 58%, #0A0D12 100%);
  box-shadow: 0 8px 20px -12px rgba(255, 59, 78, 0.9);
}

.brand-mark-core {
  width: 14px;
  height: 14px;
  background: var(--cyan);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
  box-shadow: 0 0 14px rgba(34, 224, 200, 0.85);
}

.brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.2;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
  white-space: nowrap;
}

.brand-tagline {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
  transition: opacity 0.25s ease;
}

/* 导航（移动端：下拉面板） */
.site-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 12px);
  display: none;
  max-height: min(72vh, 620px);
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(13, 17, 23, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-float);
}

.site-nav[data-open="true"] {
  display: block;
  animation: navDrop 0.22s ease-out both;
}

@keyframes navDrop {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 15px;
  letter-spacing: 0.03em;
  color: var(--muted);
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(34, 224, 200, 0.08);
}

.nav-link:hover::after { opacity: 0.8; }

.nav-link[aria-current="page"] {
  color: var(--ink);
  background: var(--cyan);
  font-weight: 700;
}

.nav-link[aria-current="page"]::after {
  opacity: 1;
  background: var(--ink);
}

.nav-actions {
  display: grid;
  gap: 8px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

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

/* 汉堡 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  padding: 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(34, 224, 200, 0.06);
  color: var(--text);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.nav-toggle:hover { border-color: rgba(34, 224, 200, 0.5); }

.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 11px;
  flex: 0 0 auto;
}

.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform 0.25s ease, top 0.25s ease;
}

.nav-toggle-bars::before { top: 0; }
.nav-toggle-bars::after { top: 9.5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before {
  top: 5px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after {
  top: 5px;
  transform: rotate(-45deg);
}

/* 滚动进度光带 */
.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  overflow: hidden;
  background: rgba(35, 43, 54, 0.6);
}

.scroll-meter-fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--red) 0%, var(--gold) 52%, var(--cyan) 100%);
  transition: transform 0.12s linear;
}

/* ---------- 5 · 桌面端导航形态 ---------- */
@media (min-width: 1024px) {
  .site-nav,
  .site-nav[data-open="true"] {
    position: static;
    display: flex;
    flex: 1 1 auto;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(8px, 1.6vw, 22px);
    max-height: none;
    overflow: visible;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    animation: none;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 2px;
  }

  .nav-link {
    padding: 9px 15px;
    border-radius: var(--pill);
    font-size: 14.5px;
    letter-spacing: 0.02em;
  }

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

  .nav-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 0;
    border: 0;
  }

  .nav-actions .btn { width: auto; }

  .nav-toggle { display: none; }
}

@media (min-width: 1024px) and (max-width: 1180px) {
  .brand-tagline { display: none; }
  .brand-name { font-size: 15.5px; }
  .nav-link { padding: 8px 11px; font-size: 13.5px; }
  .btn-sm { padding: 8px 12px; font-size: 12.5px; }
}

@media (max-width: 420px) {
  .brand-tagline { display: none; }
  .brand-name { font-size: 15px; }
  .brand-mark { width: 34px; height: 34px; border-radius: 10px; }
}

/* ---------- 6 · 按钮族 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--pill);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.22s ease, color 0.22s ease, border-color 0.22s ease,
    box-shadow 0.22s ease, transform 0.22s ease;
}

.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--red);
  color: #fff;
  box-shadow: 0 10px 26px -14px rgba(255, 59, 78, 0.9);
}
.btn-primary:hover {
  background: #FF5464;
  box-shadow: 0 16px 32px -12px rgba(255, 59, 78, 0.95);
}

.btn-ghost {
  background: rgba(34, 224, 200, 0.07);
  border-color: rgba(34, 224, 200, 0.35);
  color: var(--cyan);
}
.btn-ghost:hover {
  background: rgba(34, 224, 200, 0.16);
  border-color: var(--cyan);
}

.btn-quiet {
  background: rgba(18, 22, 29, 0.6);
  border-color: var(--line);
  color: var(--muted);
}
.btn-quiet:hover {
  color: var(--text);
  border-color: var(--muted);
}

.btn-sm { padding: 9px 16px; font-size: 13.5px; }

.btn[disabled],
.btn[aria-disabled="true"] {
  background: var(--disabled);
  border-color: var(--disabled);
  color: #8C97A6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---------- 7 · 布局基础 ---------- */
.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding-inline: var(--pad-x);
}

.section { padding-block: var(--section-y); }
.section--tight { padding-block: calc(var(--section-y) * 0.6); }

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

.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

.stack { display: grid; gap: clamp(14px, 2vw, 24px); align-content: start; }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

.rail-narrow { max-width: 620px; }

.prose { max-width: 68ch; }
.prose p { color: var(--text-soft); }
.prose p strong { color: var(--text); font-weight: 600; }
.prose a {
  color: var(--cyan);
  border-bottom: 1px solid rgba(34, 224, 200, 0.35);
  transition: border-color 0.2s ease;
}
.prose a:hover { border-bottom-color: var(--cyan); }

@media (max-width: 900px) {
  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .span-3, .span-4, .span-5 { grid-column: span 3; }
  .span-6, .span-7, .span-8, .span-9, .span-12 { grid-column: span 6; }
}

@media (max-width: 560px) {
  .grid-12 { grid-template-columns: minmax(0, 1fr); }
  .span-3, .span-4, .span-5, .span-6, .span-7, .span-8, .span-9, .span-12 {
    grid-column: span 1;
  }
}

/* ---------- 8 · 文本与数据元件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

.annotation {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}

.annotation--vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
}

.data-figure {
  display: block;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  font-size: clamp(28px, 4vw, 64px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.data-figure--red { color: var(--red); }
.data-figure--gold { color: var(--gold); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(18, 22, 29, 0.7);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.tag--live { border-color: rgba(255, 59, 78, 0.5); color: var(--red); }
.tag--sync { border-color: rgba(34, 224, 200, 0.45); color: var(--cyan); }
.tag--region { border-color: rgba(245, 166, 35, 0.45); color: var(--gold); }

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(255, 59, 78, 0.16);
}

/* ---------- 9 · 容器与面板 ---------- */
.glass-panel {
  position: relative;
  isolation: isolate;
  padding: clamp(18px, 2.4vw, 30px);
  border: 1px solid rgba(34, 224, 200, 0.18);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(150deg, rgba(15, 43, 46, 0.62) 0%, rgba(18, 22, 29, 0.74) 58%),
    rgba(18, 22, 29, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow-panel);
  transition: transform 0.24s ease, border-color 0.24s ease;
  overflow: hidden;
}

.glass-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(35, 43, 54, 0.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(35, 43, 54, 0.55) 1px, transparent 1px);
  background-size: var(--mesh) var(--mesh);
  opacity: 0.35;
  -webkit-mask-image: linear-gradient(160deg, #000 0%, transparent 78%);
  mask-image: linear-gradient(160deg, #000 0%, transparent 78%);
}

.glass-panel > * { position: relative; z-index: 1; }

.glass-panel:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 224, 200, 0.42);
}

.card {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.card--accent { border-left: 3px solid var(--red); }

/* ---------- 10 · 面包屑 ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.breadcrumb li + li::before {
  content: "/";
  color: var(--disabled);
}

.breadcrumb a { color: var(--muted); transition: color 0.2s ease; }
.breadcrumb a:hover { color: var(--cyan); }
.breadcrumb [aria-current="page"] { color: var(--text); }

/* ---------- 11 · 分段切换 ---------- */
.segmented { display: grid; gap: 16px; }

.segmented-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: rgba(18, 22, 29, 0.72);
}

.segmented-btn {
  padding: 9px 18px;
  border-radius: var(--pill);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--muted);
  transition: color 0.2s ease, background 0.2s ease;
}

.segmented-btn:hover {
  color: var(--text);
  background: rgba(34, 224, 200, 0.08);
}

.segmented-btn[aria-selected="true"] {
  color: var(--ink);
  background: var(--cyan);
  font-weight: 700;
}

.segmented-panel { padding-top: 4px; }
.segmented-panel[hidden] { display: none; }

/* ---------- 12 · 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  display: block;
  isolation: isolate;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 120% at 12% 8%, rgba(34, 224, 200, 0.12) 0%, transparent 55%),
    radial-gradient(100% 100% at 92% 96%, rgba(255, 59, 78, 0.14) 0%, transparent 58%),
    #0A0D12;
}

.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.95) contrast(1.06);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(233, 238, 246, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(233, 238, 246, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}

.media-frame figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 14px;
  z-index: 2;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.media-frame--portrait { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--cut {
  clip-path: polygon(0 0, 100% 0, 100% 88%, 92% 100%, 0 100%);
  border-radius: 0;
}

/* ---------- 13 · 入场显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

[data-reveal="shown"] {
  opacity: 1;
  transform: none;
}

/* ---------- 14 · 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(60px, 9vw, 120px);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(15, 43, 46, 0.65) 0%, transparent 60%),
    #05070A;
}

.footer-rail {
  height: 7px;
  opacity: 0.85;
  background:
    repeating-linear-gradient(135deg, var(--gold) 0 3px, transparent 3px 12px),
    repeating-linear-gradient(45deg, rgba(34, 224, 200, 0.5) 0 3px, transparent 3px 12px),
    linear-gradient(90deg, var(--red) 0%, var(--gold) 50%, var(--cyan) 100%);
}

.footer-shell {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.5fr);
  gap: clamp(32px, 5vw, 72px);
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(42px, 6vw, 80px) var(--pad-x) clamp(30px, 4vw, 52px);
}

.footer-mark {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text);
  margin: 0;
}

.footer-summary {
  max-width: 44ch;
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.footer-contact {
  display: grid;
  gap: 9px;
  margin-top: 26px;
  font-size: 14px;
  color: var(--muted);
}

.footer-contact li {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.footer-contact-key {
  flex: 0 0 auto;
  min-width: 42px;
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  align-content: start;
}

.footer-col-title {
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text);
}

.footer-links {
  display: grid;
  gap: 10px;
}

.footer-links a {
  display: inline-block;
  font-size: 14.5px;
  color: var(--muted);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--cyan);
  padding-left: 6px;
}

.footer-base {
  border-top: 1px solid var(--line);
  background: rgba(7, 9, 13, 0.6);
}

.footer-base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px var(--pad-x);
  font-size: 13px;
  color: var(--muted);
}

.footer-legal {
  margin: 0;
  font-family: var(--font-data);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.footer-signal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  letter-spacing: 0.06em;
}

@media (max-width: 900px) {
  .footer-shell { grid-template-columns: minmax(0, 1fr); }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .footer-nav { grid-template-columns: minmax(0, 1fr); }
  .footer-base-inner { flex-direction: column; align-items: flex-start; }
}

/* ---------- 15 · 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .btn:hover,
  .glass-panel:hover {
    transform: none;
  }

  .scroll-meter-fill { transition: none; }
}