/* =========================================================
   7电子娱乐中文站 · 共享样式 /assets/site.css
   深空蓝夜色底 + 暖纸实色层 + 霓虹青/柔紫玻璃描边 + 暖橙关键数据
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 108px;
}

body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

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

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

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

table { border-collapse: collapse; width: 100%; }

hr { border: 0; }

/* ---------- 2. Tokens ---------- */
:root {
  /* 品牌色板 */
  --c-void: #0B1630;
  --c-night: #101F3F;
  --c-paper: #F4EDE1;
  --c-paper-2: #E4DACA;
  --c-neon: #38E1D0;
  --c-violet: #9B8CFF;
  --c-amber: #FFB35C;
  --c-ink: #071026;
  --c-mist: #8FA3C8;
  --c-coral: #FF7A6B;

  /* 实色纸层上的文字 */
  --ink-on-paper: #0B1630;
  --ink-soft-on-paper: #4A5570;
  --line-on-paper: rgba(11, 22, 48, 0.14);

  /* 圆角 */
  --radius-s: 10px;
  --radius-m: 16px;
  --radius-l: 26px;
  --radius-pill: 999px;

  /* 结构 */
  --shell-max: 1240px;
  --shell-wide: 1480px;
  --gutter: clamp(18px, 4vw, 44px);
  --header-h: 76px;

  /* 字体 */
  --font-display: ui-rounded, "SF Pro Rounded", "Hiragino Sans GB", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Courier New", monospace;

  /* 动效 */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  /* 玻璃与阴影 */
  --glass: rgba(16, 31, 63, 0.72);
  --glass-line: rgba(56, 225, 208, 0.22);
  --shadow-soft: 0 30px 70px -40px rgba(2, 7, 18, 0.95);
}

/* ---------- 3. Base ---------- */
body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-paper);
  background-color: var(--c-void);
  background-image:
    radial-gradient(980px 640px at 82% -12%, rgba(155, 140, 255, 0.20), transparent 62%),
    radial-gradient(760px 560px at 6% 4%, rgba(56, 225, 208, 0.13), transparent 60%),
    radial-gradient(900px 700px at 50% 108%, rgba(255, 179, 92, 0.08), transparent 64%);
  background-attachment: fixed;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.6rem, 7vw, 5.6rem); line-height: 1.05; font-weight: 300; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.7rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
h4 { font-size: 1.05rem; }

strong { font-weight: 600; }

::selection { background: rgba(56, 225, 208, 0.32); color: #ffffff; }

/* ---------- 4. 无障碍与工具类 ---------- */
.skip-link {
  position: fixed;
  top: -120px;
  left: var(--gutter);
  z-index: 300;
  padding: 12px 20px;
  border-radius: var(--radius-pill);
  background: var(--c-neon);
  color: #04231F;
  font-size: 14px;
  letter-spacing: 0.04em;
  transition: top 0.22s var(--ease);
}
.skip-link:focus { top: 14px; }

.sr-only {
  position: absolute;
  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;
}

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

/* ---------- 5. 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--wide { max-width: var(--shell-wide); }
.container--narrow { max-width: 760px; }

.section { padding-block: clamp(46px, 7vw, 96px); }
.section:first-child { padding-top: clamp(28px, 4vw, 52px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: clamp(22px, 3.4vw, 40px);
}
.section-title { max-width: 24ch; }
.section-note {
  max-width: 54ch;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 6. 索引标签与数字 ---------- */
.index-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-mist);
}
.index-label::before {
  content: "";
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  opacity: 0.9;
}
.index-label--neon { color: var(--c-neon); }

.data-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: 0.06em;
  color: var(--c-amber);
  font-weight: 400;
}

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 21px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 14.5px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease),
              border-color 0.25s var(--ease), transform 0.25s var(--ease),
              box-shadow 0.25s var(--ease);
}
.btn--primary {
  background: var(--c-neon);
  border-color: var(--c-neon);
  color: #04231F;
  box-shadow: 0 12px 30px -18px rgba(56, 225, 208, 0.9);
}
.btn--primary:hover { background: #63F2E4; transform: translateY(-1px); }
.btn--amber {
  background: var(--c-amber);
  border-color: var(--c-amber);
  color: #2A1602;
}
.btn--amber:hover { background: #FFC682; transform: translateY(-1px); }
.btn--ghost {
  background: transparent;
  border-color: rgba(143, 163, 200, 0.42);
  color: var(--c-paper);
}
.btn--ghost:hover { border-color: var(--c-neon); color: var(--c-neon); }
.btn--quiet {
  background: rgba(56, 225, 208, 0.12);
  border-color: rgba(56, 225, 208, 0.35);
  color: var(--c-neon);
}
.btn--quiet:hover { background: rgba(56, 225, 208, 0.2); }
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ---------- 8. 玻璃层与暖纸层 ---------- */
.glass-panel {
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-l);
  padding: clamp(20px, 3vw, 36px);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
}

.paper-panel {
  background: var(--c-paper);
  color: var(--ink-on-paper);
  border-radius: var(--radius-l);
  padding: clamp(22px, 3.4vw, 46px);
  box-shadow: var(--shadow-soft);
}
.paper-panel h2,
.paper-panel h3,
.paper-panel h4 { color: var(--ink-on-paper); }
.paper-panel p { color: var(--ink-on-paper); }
.paper-panel .section-note { color: var(--ink-soft-on-paper); }
.paper-panel .index-label { color: var(--ink-soft-on-paper); }
.paper-panel .index-label--neon { color: #0C7A70; }
.paper-panel a {
  color: #0A5A63;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 9. 网格 ---------- */
.grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
  align-items: start;
}
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

/* ---------- 10. 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid rgba(143, 163, 200, 0.32);
  border-radius: var(--radius-pill);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}
.tag--neon { color: var(--c-neon); border-color: rgba(56, 225, 208, 0.5); background: rgba(56, 225, 208, 0.10); }
.tag--violet { color: var(--c-violet); border-color: rgba(155, 140, 255, 0.5); background: rgba(155, 140, 255, 0.12); }
.tag--amber { color: var(--c-amber); border-color: rgba(255, 179, 92, 0.5); background: rgba(255, 179, 92, 0.12); }

/* ---------- 11. 正文排版 ---------- */
.prose { max-width: 68ch; }
.prose p {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(244, 237, 225, 0.88);
}
.prose p + p { margin-top: 1em; }
.prose h2, .prose h3 { margin-top: 1.6em; margin-bottom: 0.5em; }
.prose ul, .prose ol { margin-top: 0.8em; padding-left: 1.2em; list-style: disc; }
.prose li + li { margin-top: 0.4em; }
.paper-panel .prose p { color: var(--ink-on-paper); }

/* ---------- 12. 面包屑 ---------- */
.breadcrumbs {
  padding-block: 16px 6px;
  font-size: 13px;
  color: var(--c-mist);
}
.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.breadcrumbs-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.breadcrumbs-item + .breadcrumbs-item::before {
  content: "/";
  color: rgba(143, 163, 200, 0.55);
}
.breadcrumbs a { color: var(--c-mist); transition: color 0.2s var(--ease); }
.breadcrumbs a:hover { color: var(--c-neon); }
.breadcrumbs [aria-current="page"] { color: var(--c-paper); }

/* ---------- 13. 图片容器 ---------- */
.figure {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.figure-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(143, 163, 200, 0.2);
  border-radius: var(--radius-m);
  background-color: var(--c-night);
  background-image:
    radial-gradient(120% 90% at 18% 0%, rgba(155, 140, 255, 0.34), transparent 60%),
    radial-gradient(120% 120% at 92% 100%, rgba(56, 225, 208, 0.22), transparent 58%);
}
.figure-media img,
.figure-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.figure--4x3 .figure-media { aspect-ratio: 4 / 3; }
.figure--1x1 .figure-media { aspect-ratio: 1 / 1; }
.figure--wide .figure-media { aspect-ratio: 21 / 9; }
.figure-caption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

/* ---------- 14. 横向主题带 ---------- */
.band {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 16px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(56, 225, 208, 0.4) transparent;
}
.band::-webkit-scrollbar { height: 6px; }
.band::-webkit-scrollbar-thumb {
  background: rgba(56, 225, 208, 0.38);
  border-radius: 3px;
}
.band-item {
  flex: 0 0 min(300px, 78vw);
  scroll-snap-align: start;
  padding: 18px 20px;
  border: 1px solid rgba(143, 163, 200, 0.22);
  border-radius: var(--radius-m);
  background: rgba(16, 31, 63, 0.6);
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}
.band-item:hover { border-color: rgba(56, 225, 208, 0.5); transform: translateY(-2px); }
.band-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-violet);
}
.band-title {
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.band-note {
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 15. 轨道分隔带 ---------- */
.track-divider {
  height: 1px;
  margin-block: clamp(32px, 6vw, 72px);
  background: linear-gradient(90deg,
    transparent,
    rgba(56, 225, 208, 0.5) 18%,
    rgba(155, 140, 255, 0.45) 62%,
    transparent);
}

/* =========================================================
   16. 站点头部
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background-image: linear-gradient(180deg, rgba(11, 22, 48, 0.94), rgba(11, 22, 48, 0.76));
  border-bottom: 1px solid rgba(143, 163, 200, 0.16);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  backdrop-filter: blur(18px) saturate(150%);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.site-header[data-scrolled] {
  border-bottom-color: rgba(56, 225, 208, 0.28);
  box-shadow: 0 22px 46px -34px rgba(0, 0, 0, 0.95);
}

.header-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: var(--progress, 0%);
  border-radius: 0 2px 2px 0;
  background: linear-gradient(90deg, var(--c-neon), var(--c-violet) 60%, var(--c-amber));
  transition: width 0.12s linear;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  min-height: var(--header-h);
  padding-block: 10px;
  transition: min-height 0.3s var(--ease), padding 0.3s var(--ease);
}
.site-header[data-scrolled] .header-inner {
  min-height: 60px;
  padding-block: 5px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: 0 0 auto;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  border: 1px solid rgba(56, 225, 208, 0.5);
  border-radius: 12px;
  background-image: linear-gradient(150deg, rgba(56, 225, 208, 0.24), rgba(155, 140, 255, 0.26));
  color: var(--c-neon);
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1;
  letter-spacing: -0.02em;
  transition: width 0.3s var(--ease), height 0.3s var(--ease);
}
.site-header[data-scrolled] .brand-mark { width: 32px; height: 32px; font-size: 17px; }

.brand-text { display: flex; flex-direction: column; gap: 1px; }
.brand-name {
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--c-paper);
}
.brand-tagline {
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

/* 命令栏 */
.cmdbar {
  flex: 1 1 auto;
  display: flex;
  justify-content: center;
  min-width: 0;
}
.cmdbar-list {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-pill);
  background: rgba(16, 31, 63, 0.55);
}
.cmdbar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 13px;
  border-radius: var(--radius-pill);
  color: rgba(244, 237, 225, 0.76);
  font-size: 14.5px;
  line-height: 1.3;
  letter-spacing: 0.02em;
  transition: color 0.22s var(--ease), background 0.22s var(--ease);
}
.cmdbar-link:hover {
  color: var(--c-paper);
  background: rgba(56, 225, 208, 0.12);
}
.cmdbar-index {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--c-mist);
  transition: color 0.22s var(--ease);
}
.cmdbar-link[aria-current="page"] {
  color: var(--c-neon);
  background: rgba(56, 225, 208, 0.14);
  box-shadow: inset 0 -2px 0 0 var(--c-neon);
}
.cmdbar-link[aria-current="page"] .cmdbar-index { color: var(--c-neon); }

.header-cta { flex: 0 0 auto; margin-left: auto; }

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 9px 15px;
  border: 1px solid rgba(143, 163, 200, 0.36);
  border-radius: var(--radius-pill);
  color: var(--c-paper);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease);
}
.nav-toggle:hover { border-color: var(--c-neon); color: var(--c-neon); }
.nav-toggle-bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.24s var(--ease);
}
.nav-toggle-bars::before { top: -5px; }
.nav-toggle-bars::after { top: 5px; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars::after { transform: translateY(-5px) rotate(-45deg); }

/* 移动端滑出面板 */
.mobile-nav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 95;
  max-height: 84vh;
  overflow-y: auto;
  padding: 22px var(--gutter) calc(20px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--glass-line);
  border-radius: 26px 26px 0 0;
  background-image: linear-gradient(180deg, rgba(16, 31, 63, 0.97), rgba(7, 16, 38, 0.99));
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  backdrop-filter: blur(20px) saturate(150%);
  box-shadow: 0 -30px 70px -30px rgba(0, 0, 0, 0.9);
  visibility: hidden;
  transform: translateY(103%);
  transition: transform 0.34s var(--ease), visibility 0.34s var(--ease);
}
.mobile-nav[data-open] {
  visibility: visible;
  transform: translateY(0);
}

.mobile-nav-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(143, 163, 200, 0.18);
}
.mobile-nav-title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-neon);
}
.mobile-nav-hint {
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.mobile-nav-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 16px;
}
.mobile-nav-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 15px;
  border: 1px solid rgba(143, 163, 200, 0.18);
  border-radius: 14px;
  font-size: 16px;
  color: rgba(244, 237, 225, 0.86);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), color 0.22s var(--ease);
}
.mobile-nav-link:hover {
  border-color: rgba(56, 225, 208, 0.5);
  background: rgba(56, 225, 208, 0.08);
  color: var(--c-paper);
}
.mobile-nav-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-mist);
}
.mobile-nav-label { line-height: 1.4; }
.mobile-nav-link[aria-current="page"] {
  border-color: rgba(56, 225, 208, 0.55);
  background: rgba(56, 225, 208, 0.14);
  color: var(--c-neon);
}
.mobile-nav-link[aria-current="page"] .mobile-nav-index { color: var(--c-neon); }

.mobile-nav-foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(143, 163, 200, 0.18);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mobile-nav-cta { width: 100%; }
.mobile-nav-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 13px;
}
.mobile-nav-legal-link {
  color: var(--c-mist);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color 0.22s var(--ease);
}
.mobile-nav-legal-link:hover { color: var(--c-violet); }

/* =========================================================
   17. 站点页脚
   ========================================================= */
.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(52px, 8vw, 118px);
  border-top: 1px solid rgba(143, 163, 200, 0.16);
  background-image: linear-gradient(180deg, rgba(7, 16, 38, 0.35), #071026 44%);
  color: var(--c-paper);
}
.footer-orbit {
  position: absolute;
  left: 50%;
  bottom: -46%;
  width: min(1100px, 160%);
  aspect-ratio: 2 / 1;
  transform: translateX(-50%);
  border: 1px solid rgba(56, 225, 208, 0.2);
  border-radius: 50%;
  box-shadow: inset 0 0 140px rgba(155, 140, 255, 0.16);
  pointer-events: none;
}
.footer-orbit::after {
  content: "";
  position: absolute;
  inset: 14%;
  border: 1px solid rgba(155, 140, 255, 0.16);
  border-radius: 50%;
}

.footer-inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(40px, 6vw, 76px) 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
}

.footer-brand-line {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}
.footer-tagline {
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--c-mist);
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-neon);
  margin-bottom: 14px;
}

.footer-list { display: flex; flex-direction: column; gap: 9px; }
.footer-link {
  font-size: 14.5px;
  color: rgba(244, 237, 225, 0.74);
  text-underline-offset: 4px;
  transition: color 0.22s var(--ease);
}
.footer-link:hover { color: var(--c-neon); text-decoration: underline; }

.footer-contact-line {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 237, 225, 0.72);
}
.footer-contact-line + .footer-contact-line { margin-top: 6px; }
.footer-contact-value {
  color: var(--c-amber);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: 18px;
  border-top: 1px solid rgba(143, 163, 200, 0.18);
}
.footer-compliance {
  padding: 5px 13px;
  border: 1px solid rgba(143, 163, 200, 0.28);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}
.footer-copyright {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

/* =========================================================
   18. 入场动效
   ========================================================= */
@media (scripting: enabled) {
  [data-reveal] {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.42s var(--ease), transform 0.42s var(--ease);
  }
  [data-reveal][data-visible] {
    opacity: 1;
    transform: none;
  }
}
@media (scripting: enabled) and (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
}

/* =========================================================
   19. 响应式
   ========================================================= */
@media (max-width: 1079px) {
  .cmdbar { display: none; }
  .nav-toggle { display: inline-flex; }
}
@media (min-width: 1080px) {
  .mobile-nav { display: none; }
}

@media (max-width: 720px) {
  .header-cta { display: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  :root { --header-h: 64px; }
  .brand-tagline { display: none; }
  .nav-toggle-text { display: none; }
  .nav-toggle { padding: 9px 12px; }
  .prose p { font-size: 16px; }
  .paper-panel { border-radius: 20px; }
  .glass-panel { border-radius: 20px; }
}

@media (min-width: 560px) {
  .mobile-nav-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.6fr; }
}

@media (max-width: 1023px) {
  body.is-nav-open { overflow: hidden; }
}

/* =========================================================
   20. 降低动效
   ========================================================= */
@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;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
  .header-progress { transition: none; }
}