/* ============ 变量 ============ */
:root {
  --clr-blue: #0A5B9E;
  --clr-white: #F7F9FC;
  --clr-orange: #FF7A29;
  --clr-green: #10B981;
  --clr-ink: #12324A;
  --clr-slate: #4A6B82;
  --clr-light-blue: #E3F0FA;
  --clr-yellow: #FFC53D;
  --clr-deep-blue: #082D4A;
  --clr-cloud: #E8EEF3;

  --font-heading: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-data: 'JetBrains Mono', 'SF Mono', 'Cascadia Mono', Consolas, monospace;

  --nav-width: 280px;
  --top-meta-height: 34px;
  --mobile-header-height: 54px;
  --content-max: 1280px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow-card: 0 2px 16px rgba(8, 45, 74, 0.06);
  --shadow-lift: 0 8px 32px rgba(8, 45, 74, 0.13);
  --progress: 0%;
}

/* ============ 重置与基础 ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scrollbar-color: var(--clr-blue) var(--clr-cloud);
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--clr-ink);
  background: var(--clr-white);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--top-meta-height);
  overflow-x: hidden;
}

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

ul,
ol {
  list-style: none;
}

a {
  color: var(--clr-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

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

body[data-top-meta-hidden] {
  padding-top: 0;
}

@media (max-width: 1023px) {
  body {
    padding-top: calc(var(--top-meta-height) + var(--mobile-header-height));
  }

  body[data-top-meta-hidden] {
    padding-top: var(--mobile-header-height);
  }
}

@media (min-width: 1024px) {
  body {
    padding-left: var(--nav-width);
  }
}

/* ============ 跳过链接 ============ */
.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 300;
  background: var(--clr-orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.65rem 1.3rem;
  border-radius: 0 0 8px 8px;
  transition: top 0.2s ease;
}

.skip-link:focus-visible {
  top: 0;
}

/* ============ 顶部信息条 ============ */
.top-meta {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--top-meta-height);
  z-index: 180;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 1.25rem;
  background: var(--clr-deep-blue);
  color: rgba(247, 249, 252, 0.65);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.top-meta::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: var(--progress, 0%);
  height: 3px;
  background: var(--clr-orange);
  pointer-events: none;
}

.top-meta[data-hidden] {
  display: none;
}

.top-meta__item {
  white-space: nowrap;
}

.top-meta__item--cn {
  font-family: var(--font-data);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.top-meta__item--icp {
  color: rgba(247, 249, 252, 0.42);
}

.top-meta__item--status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: rgba(247, 249, 252, 0.5);
  font-family: var(--font-data);
  font-size: 0.68rem;
}

.top-meta__pulse {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-green);
  animation: ba-pulse 2s ease-out infinite;
}

.top-meta__sep {
  color: rgba(247, 249, 252, 0.28);
}

.top-meta__gap {
  flex: 1;
}

.top-meta__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 4px;
  color: rgba(247, 249, 252, 0.5);
  transition: background 0.2s, color 0.2s;
}

.top-meta__close:hover {
  background: rgba(247, 249, 252, 0.14);
  color: #fff;
}

@keyframes ba-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
  }
  70% {
    box-shadow: 0 0 0 7px rgba(16, 185, 129, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
  }
}

/* ============ 移动端顶栏 ============ */
.mobile-bar {
  display: none;
  position: fixed;
  top: var(--top-meta-height);
  left: 0;
  right: 0;
  height: var(--mobile-header-height);
  z-index: 140;
  background: var(--clr-blue);
  color: #fff;
  align-items: center;
  gap: 0.7rem;
  padding: 0 1rem 0 0.65rem;
  box-shadow: 0 2px 12px rgba(8, 45, 74, 0.18);
}

.top-meta[data-hidden] ~ .mobile-bar {
  top: 0;
}

.mobile-bar__brand {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.08rem;
  letter-spacing: 0.06em;
  color: #fff;
  line-height: 1;
  white-space: nowrap;
}

.mobile-bar__brand:hover {
  text-decoration: none;
  color: var(--clr-yellow);
}

.mobile-bar__badge {
  margin-left: auto;
  font-family: var(--font-heading);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--clr-deep-blue);
  background: var(--clr-yellow);
  padding: 0.18rem 0.5rem;
  border-radius: 2px 8px 2px 8px;
  white-space: nowrap;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 4px 10px 4px 10px;
  background: rgba(247, 249, 252, 0.14);
  transition: background 0.2s;
  flex-shrink: 0;
}

.nav-toggle:hover {
  background: rgba(247, 249, 252, 0.24);
}

.nav-toggle:active {
  background: rgba(247, 249, 252, 0.08);
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform 0.3s var(--ease-out), opacity 0.2s;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6px) 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(-6px) rotate(-45deg);
}

/* ============ 桌面侧边轨道 / 移动抽屉 ============ */
.nav-panel {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-width);
  height: 100vh;
  height: 100dvh;
  z-index: 120;
  display: flex;
  flex-direction: column;
  padding-top: var(--top-meta-height);
  background: linear-gradient(165deg, var(--clr-blue) 0%, var(--clr-deep-blue) 150%);
  color: var(--clr-white);
  transition: transform 0.3s var(--ease-out), visibility 0s, box-shadow 0.3s ease;
  overflow-y: auto;
  overflow-x: hidden;
}

.top-meta[data-hidden] ~ .nav-panel {
  padding-top: 0;
}

.nav-panel a {
  color: inherit;
  text-decoration: none;
}

.nav-panel a:hover {
  text-decoration: none;
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  padding: 1.6rem 1.5rem 1.3rem;
  border-bottom: 1px solid rgba(247, 249, 252, 0.1);
  transition: background 0.2s;
}

.brand:hover {
  background: rgba(247, 249, 252, 0.04);
}

.brand__name {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.95rem;
  line-height: 1.1;
  letter-spacing: 0.05em;
  color: #fff;
}

.brand__en {
  font-family: var(--font-data);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(247, 249, 252, 0.42);
  white-space: nowrap;
}

.brand__badge {
  display: inline-block;
  align-self: flex-start;
  margin-top: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--clr-deep-blue);
  background: var(--clr-yellow);
  padding: 0.16rem 0.55rem;
  border-radius: 2px 9px 2px 9px;
}

.nav-panel__nav {
  flex: 1;
  padding: 1.35rem 0.75rem 1rem;
}

.nav-panel__caption {
  font-family: var(--font-data);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(247, 249, 252, 0.36);
  padding: 0 0.9rem 0.8rem;
}

.nav-panel__list {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
}

.nav-panel__link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.72rem 0.9rem;
  border-radius: 4px 12px 4px 12px;
  color: rgba(247, 249, 252, 0.74);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.4;
  position: relative;
  transition: background 0.2s, color 0.2s, transform 0.2s var(--ease-out);
}

.nav-panel__link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 22%;
  height: 56%;
  width: 3px;
  background: var(--clr-orange);
  border-radius: 2px;
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.2s var(--ease-out);
}

.nav-panel__link:hover,
.nav-panel__link[aria-current="page"],
.nav-panel__link.is-section-active {
  background: rgba(247, 249, 252, 0.09);
  color: #fff;
  transform: translateX(3px);
}

.nav-panel__link:hover::before,
.nav-panel__link[aria-current="page"]::before,
.nav-panel__link.is-section-active::before {
  transform: scaleY(1);
}

.nav-panel__link[aria-current="page"] .nav-panel__num {
  color: var(--clr-orange);
}

.nav-panel__num {
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 700;
  color: rgba(247, 249, 252, 0.38);
  min-width: 1.7rem;
  transition: color 0.2s;
}

.nav-panel__arrow {
  margin-left: auto;
  font-size: 1.05rem;
  color: var(--clr-orange);
  opacity: 0;
  transform: translateX(-5px);
  transition: opacity 0.2s, transform 0.2s;
}

.nav-panel__link:hover .nav-panel__arrow,
.nav-panel__link[aria-current="page"] .nav-panel__arrow,
.nav-panel__link.is-section-active .nav-panel__arrow {
  opacity: 1;
  transform: translateX(0);
}

.nav-panel__foot {
  padding: 1.1rem 1.5rem 1.5rem;
  border-top: 1px solid rgba(247, 249, 252, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.nav-panel__status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: rgba(247, 249, 252, 0.55);
}

.nav-panel__pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--clr-green);
  animation: ba-pulse 2s ease-out infinite;
}

.nav-panel__slogan {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--clr-orange);
}

@media (max-width: 1023px) {
  .mobile-bar {
    display: flex;
  }

  .nav-panel {
    width: min(86vw, 320px);
    z-index: 160;
    transform: translateX(-100%);
    visibility: hidden;
    box-shadow: none;
    transition: transform 0.3s var(--ease-out), visibility 0s 0.3s, box-shadow 0.3s ease;
  }

  .nav-panel[data-open] {
    transform: translateX(0);
    visibility: visible;
    box-shadow: 4px 0 30px rgba(8, 45, 74, 0.35);
    transition: transform 0.3s var(--ease-out), visibility 0s, box-shadow 0.3s ease;
  }
}

/* ============ 抽屉遮罩 ============ */
.drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(8, 45, 74, 0.5);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.drawer-overlay[data-open] {
  opacity: 1;
  pointer-events: auto;
}

@media (min-width: 1024px) {
  .drawer-overlay {
    display: none;
  }
}

/* ============ 主内容与容器 ============ */
#main-content {
  display: block;
  min-height: 70vh;
  scroll-margin-top: 0.5rem;
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

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

.section {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.section--tint {
  background: var(--clr-light-blue);
}

.section--dark {
  background: var(--clr-deep-blue);
  color: rgba(247, 249, 252, 0.8);
}

@media (min-width: 1024px) {
  .fullbleed {
    margin-left: calc(-1 * var(--nav-width));
    padding-left: var(--nav-width);
  }
}

/* ============ 面包屑 ============ */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem;
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--clr-slate);
  padding-block: 0.85rem;
}

.breadcrumb a {
  color: var(--clr-blue);
  font-weight: 600;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb__sep {
  color: var(--clr-slate);
  opacity: 0.45;
}

.breadcrumb__current {
  color: var(--clr-slate);
  font-weight: 600;
}

/* ============ 标题组合 ============ */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--clr-ink);
  line-height: 1.25;
  margin: 0 0 0.55em;
}

h1 {
  font-size: clamp(2rem, 4.8vw, 3.4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.55rem, 3.2vw, 2.3rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.15rem, 2vw, 1.5rem);
}

h4 {
  font-size: 1.05rem;
}

p {
  margin-bottom: 1rem;
}

.section-sub {
  display: block;
  font-family: var(--font-data);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clr-orange);
  margin-bottom: 0.35rem;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.15;
  color: var(--clr-ink);
  letter-spacing: -0.01em;
  margin-bottom: 0.4rem;
}

.section-title--light {
  color: #fff;
}

.section-lead {
  font-size: 1.05rem;
  color: var(--clr-slate);
  max-width: 42em;
  margin-bottom: 1.5rem;
}

.section--dark .section-title {
  color: #fff;
}

.section--dark .section-lead {
  color: rgba(247, 249, 252, 0.7);
}

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.4rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  line-height: 1.3;
  color: #fff;
  background: var(--clr-orange);
  border: 2px solid var(--clr-orange);
  border-radius: 4px 14px 4px 14px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  background: #e56c18;
  border-color: #e56c18;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 122, 41, 0.28);
  text-decoration: none;
}

.btn:active {
  transform: translateY(0);
}

.btn--ghost {
  background: transparent;
  color: var(--clr-blue);
  border-color: var(--clr-blue);
}

.btn--ghost:hover {
  background: var(--clr-blue);
  color: #fff;
  box-shadow: 0 8px 24px rgba(10, 91, 158, 0.22);
}

.btn--light {
  background: var(--clr-white);
  border-color: var(--clr-white);
  color: var(--clr-blue);
}

.btn--light:hover {
  background: var(--clr-light-blue);
  border-color: var(--clr-light-blue);
  box-shadow: 0 8px 24px rgba(247, 249, 252, 0.2);
}

.btn--sm {
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
  border-width: 1.5px;
  border-radius: 3px 10px 3px 10px;
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: 1.05rem;
}

/* ============ 卡片 ============ */
.card {
  background: var(--clr-white);
  border: 1px solid var(--clr-cloud);
  border-radius: 8px 24px 8px 24px;
  box-shadow: var(--shadow-card);
  padding: 1.5rem;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s ease, border-color 0.25s;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
  border-color: var(--clr-light-blue);
}

.card--tinted {
  background: var(--clr-light-blue);
  border-color: transparent;
}

.card--ink {
  background: var(--clr-deep-blue);
  border-color: transparent;
  color: rgba(247, 249, 252, 0.78);
}

.card--ink .card__title {
  color: #fff;
}

.card__title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--clr-ink);
  margin-bottom: 0.5rem;
}

/* ============ 网格 ============ */
.grid {
  display: grid;
  gap: 1.25rem;
}

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

@media (min-width: 960px) {
  .grid--3col {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============ 标签 / 数据数字 ============ */
.tag-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-heading);
  border-radius: 2px 8px 2px 8px;
  background: var(--clr-light-blue);
  color: var(--clr-blue);
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.tag-badge--yellow {
  background: var(--clr-yellow);
  color: var(--clr-deep-blue);
}

.tag-badge--orange {
  background: var(--clr-orange);
  color: #fff;
}

.tag-badge--green {
  background: var(--clr-green);
  color: #fff;
}

.data-number {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3rem);
  font-variant-numeric: tabular-nums;
  color: var(--clr-ink);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.data-number--accent {
  color: var(--clr-orange);
}

.data-number--light {
  color: #fff;
}

/* ============ 图片容器 ============ */
.image-embed {
  position: relative;
  border-radius: 8px 24px 8px 24px;
  overflow: hidden;
  background: var(--clr-cloud);
  aspect-ratio: 16 / 9;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-slate);
  font-size: 0.85rem;
  font-weight: 600;
}

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

.image-embed::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 58%, rgba(10, 91, 158, 0.12) 58%, rgba(10, 91, 158, 0.12) 72%, transparent 72%);
  pointer-events: none;
}

/* ============ 显现动画 ============ */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

[data-reveal="left"] {
  transform: translateX(-18px);
}

[data-reveal="right"] {
  transform: translateX(18px);
}

[data-reveal="skew"] {
  transform: translateY(16px) skewY(1.5deg);
}

[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--clr-deep-blue);
  color: rgba(247, 249, 252, 0.68);
  margin-top: 3rem;
  position: relative;
  overflow: hidden;
}

@media (min-width: 1024px) {
  .site-footer {
    margin-left: calc(-1 * var(--nav-width));
    padding-left: var(--nav-width);
  }
}

.site-footer__mountains {
  display: block;
  width: 100%;
  height: 56px;
  margin-bottom: -1px;
}

.site-footer__inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding: 2.75rem clamp(1rem, 4vw, 2rem) 2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
}

@media (min-width: 700px) {
  .site-footer__inner {
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 2.5rem;
  }
}

.site-footer__brand {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.4rem;
  color: #fff;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}

.site-footer__tagline {
  font-size: 0.9rem;
  color: rgba(247, 249, 252, 0.55);
  margin-bottom: 1rem;
}

.site-footer__trust {
  font-size: 0.78rem;
  color: rgba(247, 249, 252, 0.35);
  line-height: 1.65;
  max-width: 32em;
}

.site-footer__heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  letter-spacing: 0.08em;
  margin-bottom: 0.85rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid rgba(247, 249, 252, 0.1);
  position: relative;
}

.site-footer__heading::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 28px;
  height: 2px;
  background: var(--clr-orange);
}

.site-footer__list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.site-footer__list a {
  color: rgba(247, 249, 252, 0.65);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s, padding-left 0.2s;
  display: inline-block;
}

.site-footer__list a:hover {
  color: var(--clr-orange);
  padding-left: 4px;
}

.site-footer__contact {
  font-size: 0.85rem;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.site-footer__label {
  font-weight: 700;
  color: rgba(247, 249, 252, 0.4);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.site-footer__bottom {
  border-top: 1px solid rgba(247, 249, 252, 0.08);
  padding: 1.1rem 0;
}

.site-footer__bottom-inner {
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2rem);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.78rem;
  color: rgba(247, 249, 252, 0.4);
}

.site-footer__legal {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-footer__legal a {
  color: rgba(247, 249, 252, 0.5);
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer__legal a:hover {
  color: var(--clr-orange);
}

.site-footer__dot {
  color: rgba(247, 249, 252, 0.2);
}

.site-footer__copyright {
  font-family: var(--font-data);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.site-footer__icp {
  font-family: var(--font-data);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
}
/* ============ 响应式补充 ============ */
@media (min-width: 1024px) {
  .nav-panel {
    transform: none;
    visibility: visible;
  }
}

/* ============ 减少动效 ============ */
@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;
  }

  .nav-panel {
    transition: none;
  }

  .top-meta__pulse,
  .nav-panel__pulse {
    animation: none;
  }

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