/* ===========================================================
   鼎盛平台中心 · 共享样式 /assets/site.css
   深空靛基底 + 鎏金琥珀强调 + 青玉对比
   =========================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 68px;
}

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

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

/* ---------------- 变量 ---------------- */
:root {
  --ink-900: #070C22;
  --ink-800: #0B1230;
  --ink-700: #141E4A;
  --ink-600: #2B3A85;
  --gold: #F2B242;
  --gold-hi: #FFE1A3;
  --jade: #3FBFA0;
  --jade-deep: #1E7A66;
  --mist: #E8ECF7;
  --grey: #A6AFCC;

  --line: rgba(43, 58, 133, 0.85);
  --line-soft: rgba(43, 58, 133, 0.5);
  --gold-line: rgba(242, 178, 66, 0.45);
  --jade-line: rgba(63, 191, 160, 0.45);

  --bar-h: 48px;
  --bar-h-slim: 40px;
  --shell: 1240px;
  --radius: 4px;

  --font-head: 'Inter', 'HarmonyOS Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', Georgia, 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------------- 基础排版 ---------------- */
body {
  min-height: 100vh;
  padding-top: var(--bar-h);
  background-color: var(--ink-800);
  background-image:
    linear-gradient(rgba(43, 58, 133, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 58, 133, 0.16) 1px, transparent 1px);
  background-size: 120px 120px;
  background-position: -1px -1px;
  color: var(--mist);
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.05vw, 1.125rem);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.25;
  color: var(--mist);
}

h1 { font-size: clamp(2rem, 4.2vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); }
h3 { font-size: clamp(1.125rem, 1.6vw, 1.375rem); }
h4 { font-size: 1.0625rem; }

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

a { color: var(--gold); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--gold-hi); }

img { max-width: 100%; height: auto; }

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

code, kbd, samp, pre { font-family: var(--font-mono); }

hr { border: 0; }

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

::selection { background: rgba(242, 178, 66, 0.28); color: #fff; }

/* ---------------- 无障碍工具类 ---------------- */
.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;
}

.skip-link {
  position: fixed;
  top: -120px;
  left: 16px;
  z-index: 200;
  padding: 10px 18px;
  border-radius: var(--radius);
  background: var(--gold);
  color: #1A1206;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  transition: top 0.2s ease;
}
.skip-link:focus { top: 10px; color: #1A1206; }

/* ===========================================================
   命令栏页头
   =========================================================== */
.cmd-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 90;
  height: var(--bar-h);
  background: rgba(7, 12, 34, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: height 0.24s ease, background-color 0.24s ease;
}
.cmd-bar[data-scrolled] {
  height: var(--bar-h-slim);
  background: rgba(7, 12, 34, 0.99);
}

.cmd-bar__inner {
  display: flex;
  align-items: center;
  gap: clamp(12px, 1.6vw, 24px);
  height: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(16px, 3vw, 28px);
}

/* 品牌 */
.cmd-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--mist);
}
.cmd-brand:hover { color: var(--mist); }

.cmd-brand__mark {
  display: grid;
  place-items: center;
  width: 28px; height: 28px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #F2B242, #FFE1A3);
  color: #1A1206;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1;
}

.cmd-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.cmd-brand__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9375rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.cmd-brand__sub {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--grey);
}
.cmd-bar[data-scrolled] .cmd-brand__sub { display: none; }

.cmd-brand__ver {
  padding: 2px 6px;
  border: 1px solid var(--gold-line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  white-space: nowrap;
}

/* 主栏目导航 */
.cmd-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.cmd-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.cmd-nav__item { position: relative; }

.cmd-nav__link {
  display: flex;
  align-items: baseline;
  gap: 5px;
  padding: 6px 9px;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--grey);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}
.cmd-nav__link:hover {
  color: var(--mist);
  border-color: var(--line);
  background: rgba(20, 30, 74, 0.7);
}

.cmd-nav__idx {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0;
  color: rgba(166, 175, 204, 0.65);
  transition: color 0.2s ease;
}
.cmd-nav__link:hover .cmd-nav__idx { color: var(--gold); }

.cmd-nav__label { display: inline-block; }

.cmd-nav__link[aria-current="page"] {
  color: var(--gold);
  border-color: var(--gold-line);
  background: rgba(242, 178, 66, 0.08);
}
.cmd-nav__link[aria-current="page"] .cmd-nav__idx { color: var(--gold); }

/* 右侧状态与快速通道 */
.cmd-aside {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  flex: 0 0 auto;
}

.cmd-status {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--grey);
  white-space: nowrap;
}

.cmd-status__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 3px rgba(63, 191, 160, 0.18);
  animation: cmdPulse 2.4s ease-in-out infinite;
}
@keyframes cmdPulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(63, 191, 160, 0.18); }
  50% { box-shadow: 0 0 0 6px rgba(63, 191, 160, 0.06); }
}

.cmd-quick { position: relative; }

.cmd-quick__btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 28px;
  padding: 0 11px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--mist);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}
.cmd-quick__btn:hover { border-color: var(--gold); color: var(--gold); }

.cmd-quick__caret {
  width: 6px; height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform 0.2s ease;
}
.cmd-quick__btn[aria-expanded="true"] .cmd-quick__caret {
  transform: rotate(225deg) translate(-1px, 1px);
}

.cmd-quick__panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  z-index: 95;
  width: 236px;
  padding: 12px;
  background: var(--ink-900);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.5);
}
.cmd-quick__panel[hidden] { display: none; }

.cmd-quick__title {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey);
}

.cmd-quick__item + .cmd-quick__item { margin-top: 2px; }

.cmd-quick__link {
  display: block;
  padding: 7px 9px;
  border-radius: 3px;
  color: var(--mist);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  transition: background-color 0.2s ease, color 0.2s ease;
}
.cmd-quick__link:hover {
  background: rgba(242, 178, 66, 0.1);
  color: var(--gold-hi);
}

/* 移动端导航按钮 */
.cmd-toggle {
  display: none;
  position: relative;
  width: 38px; height: 32px;
  margin-left: 6px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 3px;
  cursor: pointer;
}

.cmd-toggle__bars,
.cmd-toggle__bars::before,
.cmd-toggle__bars::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  height: 1.5px;
  border-radius: 2px;
  background: var(--mist);
  transition: transform 0.22s ease, background-color 0.22s ease, opacity 0.22s ease;
}

.cmd-toggle__bars {
  top: 50%;
  left: 9px; right: 9px;
  margin-top: -0.75px;
}
.cmd-toggle__bars::before { top: -6px; }
.cmd-toggle__bars::after { top: 6px; }

.cmd-bar[data-open] .cmd-toggle__bars { background: transparent; }
.cmd-bar[data-open] .cmd-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.cmd-bar[data-open] .cmd-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* 阅读进度条 */
.cmd-progress {
  position: fixed;
  top: 0; right: 0;
  z-index: 95;
  width: 2px;
  height: 100vh;
  background: rgba(43, 58, 133, 0.45);
  pointer-events: none;
}

.cmd-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top center;
  background: linear-gradient(180deg, #F2B242 0%, #FFE1A3 52%, #3FBFA0 100%);
  transition: transform 0.1s linear;
}

/* ===========================================================
   页脚
   =========================================================== */
.foot {
  position: relative;
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--ink-900);
  color: var(--mist);
}
.foot::before {
  content: '';
  display: block;
  height: 1px;
  background: linear-gradient(90deg, rgba(43, 58, 133, 0), rgba(242, 178, 66, 0.65) 22%, rgba(63, 191, 160, 0.55) 72%, rgba(43, 58, 133, 0));
}

.foot__inner {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(36px, 5vw, 60px) clamp(16px, 3vw, 28px) 0;
}

/* 第一段 */
.foot__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 36px;
  padding-bottom: clamp(22px, 3vw, 34px);
  border-bottom: 1px solid var(--line-soft);
}

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

.foot__mark {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background: var(--ink-700);
  color: var(--gold);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.0625rem;
  line-height: 1;
}

.foot__name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.foot__ver {
  padding: 1px 6px;
  border: 1px solid var(--gold-line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.foot__tagline {
  flex: 1 1 320px;
  max-width: 58ch;
  margin: 0;
  color: var(--grey);
  font-size: 0.9375rem;
}

/* 第二段 */
.foot__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px 32px;
  padding: clamp(24px, 3.4vw, 38px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.foot__col { min-width: 0; }
.foot__col--wide { grid-column: span 2; }

.foot__col-title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grey);
}

.foot__list li + li { margin-top: 8px; }

.foot__link {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  color: var(--mist);
}
.foot__link:hover { color: var(--gold); }

.foot__list--contact li + li { margin-top: 12px; }

.foot__contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.foot__contact-label {
  min-width: 62px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--grey);
}

.foot__contact-value {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: var(--mist);
  word-break: break-all;
}

.foot__contact-value--text {
  flex: 1 1 240px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--grey);
  word-break: normal;
}

.foot__note {
  margin-top: 14px;
  max-width: 46ch;
  font-size: 0.875rem;
  color: var(--grey);
}

/* 复制按钮 */
.copy-btn {
  padding: 3px 9px;
  background: transparent;
  border: 1px solid var(--jade-line);
  border-radius: 3px;
  color: var(--jade);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}
.copy-btn:hover {
  background: rgba(63, 191, 160, 0.14);
  border-color: var(--jade);
}
.copy-btn[data-copied] {
  color: var(--gold);
  border-color: var(--gold-line);
  background: rgba(242, 178, 66, 0.1);
}

/* 第三段 */
.foot__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  padding: 20px 0 clamp(24px, 3vw, 32px);
}

.foot__legal {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--grey);
}

.foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}
.foot__links .foot__link { font-size: 0.8125rem; }

.foot__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--grey);
}

.foot__status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 3px rgba(63, 191, 160, 0.16);
}

/* ===========================================================
   通用布局与组件
   =========================================================== */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: clamp(16px, 3vw, 28px);
}

.section { padding: clamp(48px, 7vw, 88px) 0; }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 18px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.section__eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gold);
}

.section__title { margin: 0; }

.section__desc {
  max-width: 62ch;
  margin: 0;
  color: var(--grey);
}

.lede {
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  line-height: 1.8;
  color: #CBD3EA;
}

.divider {
  height: 1px;
  margin: clamp(24px, 3vw, 40px) 0;
  background: linear-gradient(90deg, rgba(43, 58, 133, 0.9), rgba(43, 58, 133, 0.08));
}

.coord {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--grey);
}

/* 网格 */
.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
}

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }

/* Bento 模块 */
.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 12px;
}

.bento__cell {
  position: relative;
  grid-column: span 3;
  padding: clamp(14px, 1.8vw, 22px);
  background: var(--ink-700);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  transition: transform 0.2s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}
.bento__cell:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.28);
}

.bento__cell--1x1 { grid-column: span 3; }
.bento__cell--2x1 { grid-column: span 6; }
.bento__cell--2x2 { grid-column: span 6; grid-row: span 2; }
.bento__cell--3x2 { grid-column: span 9; grid-row: span 2; }

/* 面板 */
.panel {
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--ink-700);
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
}
.panel--flush { padding: 0; overflow: hidden; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  color: var(--gold-hi);
}

.btn--gold {
  border-color: transparent;
  background: linear-gradient(135deg, #F2B242, #FFE1A3);
  color: #1A1206;
}
.btn--gold:hover {
  color: #1A1206;
  box-shadow: 0 8px 22px rgba(242, 178, 66, 0.25);
}

.btn--jade {
  border-color: var(--jade-line);
  color: var(--jade);
}
.btn--jade:hover {
  color: var(--jade);
  border-color: var(--jade);
  background: rgba(63, 191, 160, 0.12);
}

.btn--sm { padding: 7px 14px; font-size: 0.8125rem; }

/* 面包屑 */
.crumbs { margin-bottom: clamp(16px, 2vw, 24px); }

.crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.crumbs__item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.crumbs__link { color: var(--grey); }
.crumbs__link:hover { color: var(--gold); }

.crumbs__sep { color: var(--ink-600); }

.crumbs__current { color: var(--mist); }

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--ink-600);
  border-radius: 2px;
  background: rgba(20, 30, 74, 0.55);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--grey);
}
.tag--gold {
  color: var(--gold);
  border-color: var(--gold-line);
  background: rgba(242, 178, 66, 0.08);
}
.tag--jade {
  color: var(--jade);
  border-color: var(--jade-line);
  background: rgba(63, 191, 160, 0.08);
}

/* 图片容器（页面阶段放置图片占位） */
.media { display: block; }

.media__frame {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius);
  background: linear-gradient(150deg, #141E4A 0%, #0B1230 58%, #10203F 100%);
}

.media__frame::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(43, 58, 133, 0.32) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 58, 133, 0.32) 1px, transparent 1px);
  background-size: 48px 48px;
}

.media__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media__cap {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--grey);
}

.media--square .media__frame { aspect-ratio: 1 / 1; }
.media--wide .media__frame { aspect-ratio: 21 / 9; }
.media--tall .media__frame { aspect-ratio: 4 / 5; }

/* 显现动效 */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ===========================================================
   响应式
   =========================================================== */
@media (max-width: 1180px) {
  .cmd-status { display: none; }
}

@media (max-width: 1024px) {
  body { padding-top: var(--bar-h); }

  .cmd-nav {
    position: fixed;
    top: var(--bar-h);
    left: 0; right: 0;
    display: none;
    flex-direction: column;
    max-height: calc(100vh - var(--bar-h));
    overflow-y: auto;
    padding: 8px clamp(16px, 3vw, 28px) 18px;
    background: var(--ink-900);
    border-bottom: 1px solid var(--ink-600);
    box-shadow: 0 26px 52px rgba(0, 0, 0, 0.55);
  }
  .cmd-bar[data-open] .cmd-nav { display: flex; }

  .cmd-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }
  .cmd-nav__item { border-bottom: 1px solid var(--line-soft); }
  .cmd-nav__item:last-child { border-bottom: 0; }

  .cmd-nav__link {
    padding: 13px 4px;
    font-size: 0.9375rem;
  }
  .cmd-nav__link[aria-current="page"] {
    background: transparent;
    border-color: transparent;
  }

  .cmd-toggle { display: block; }

  .cmd-quick__panel {
    position: fixed;
    top: 58px;
    left: 12px;
    right: 12px;
    width: auto;
  }
  .cmd-bar[data-scrolled] .cmd-quick__panel { top: 50px; }

  .foot__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot__col--wide { grid-column: span 2; }

  .col-3, .col-4 { grid-column: span 6; }
  .col-8 { grid-column: span 12; }

  .bento__cell,
  .bento__cell--1x1 { grid-column: span 6; }
  .bento__cell--2x1,
  .bento__cell--2x2 { grid-column: span 6; grid-row: auto; }
  .bento__cell--3x2 { grid-column: span 12; grid-row: auto; }
}

@media (max-width: 720px) {
  .cmd-brand__sub { display: none; }
  .cmd-brand__ver { display: inline-block; }

  .foot__top { align-items: flex-start; }
  .foot__grid { grid-template-columns: 1fr; gap: 26px; }
  .foot__col--wide { grid-column: span 1; }
  .foot__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 640px) {
  .grid > * { grid-column: span 12; }
  .bento__cell,
  .bento__cell--1x1,
  .bento__cell--2x1,
  .bento__cell--2x2,
  .bento__cell--3x2 { grid-column: span 12; grid-row: auto; }

  .media--wide .media__frame { aspect-ratio: 16 / 9; }
}

/* ===========================================================
   动效克制
   =========================================================== */
@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;
  }

  .js [data-reveal] { opacity: 1; transform: none; }
  .cmd-progress__fill { transition: none; }
  .cmd-status__dot { animation: none; }
}